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EP3193664B1 - Device for applying a liquid - Google Patents

Device for applying a liquid Download PDF

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Publication number
EP3193664B1
EP3193664B1 EP15762574.0A EP15762574A EP3193664B1 EP 3193664 B1 EP3193664 B1 EP 3193664B1 EP 15762574 A EP15762574 A EP 15762574A EP 3193664 B1 EP3193664 B1 EP 3193664B1
Authority
EP
European Patent Office
Prior art keywords
container
neck
adapter
liquid
applicator head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15762574.0A
Other languages
German (de)
French (fr)
Other versions
EP3193664A1 (en
Inventor
Hermann J. Schwarze
Joachim Plotzitzka
Oto Tot
Holger Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP3193664A1 publication Critical patent/EP3193664A1/en
Application granted granted Critical
Publication of EP3193664B1 publication Critical patent/EP3193664B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/005—Arrangements of the bristles in the brush body where the brushing material is not made of bristles, e.g. sponge, rubber or paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces

Definitions

  • the invention relates to a device for applying a liquid, comprising a hollow container for the liquid with a closed and an open end and an applicator head arranged at the open end of the container.
  • the devices mentioned at the beginning are known, for example, as applicators or applicator pens in the prior art.
  • the WO2013041573A1 an application pen for the flat discharge of a liquid, with a hollow pen body made of plastic with a closed and an open end and an applicator head seated on the open end of the pen body and comprising a foam.
  • the EP2564940A1 an application pen for dispensing a liquid stored in a hard ampoule, with a hollow plastic pen body designed to accommodate the ampoule with a closed and an open end, the wall of which is sufficiently flexible to break the ampoule accommodated in the plastic pen body without tools and thereby to cause the liquid to escape into the interior of the plastic pen body, and an applicator head which is seated on the open end of the plastic pen body and has a foam, felt or fiber body.
  • Another applicator pen discloses US20130189440A1 , an application tip for the application of an acrylic-containing material being provided here.
  • the WO200038564A1 discloses an applicator for dispensing liquids having an outer tube with at least one layer of impermeable plastic thereon having a breakable ampoule for the liquid to be dispensed.
  • the outer tube is closed at one end and at the opposite, open end has an applicator tip made of porous foam.
  • a sliding ring is also provided, which can be used as a guide when the liquid is dispensed.
  • the EP2227981A1 in turn discloses an applicator bottle having a sieve-shaped application surface, which is in contact with a porous liquid reservoir, so that a controlled, continuous application of a thin liquid medium is also ensured.
  • the object of the invention is to provide an improved applicator.
  • the basic idea of the invention is the use of a device for dispensing a liquid onto a substrate having a container for the liquid with an open end on a distal side and a closed end on a proximal side, and an applicator head arranged on the open end having an applicator head
  • Bottle-like containers are preferably used which are designed in such a way that dispensing of the liquid does not involve permanent deformation of one or more container walls.
  • a stiff design of the container walls is conceivable, on the other hand, however, a choice of a material and / or a shape that enables such a restoring force of the container walls that an independent return to the original state usually takes place with a regular deformation of the container walls.
  • a plastic is preferably used as the material for the container, preferably a thermoplastic such as, for example, a polypropylene or a polyethylene.
  • Different container sizes are also conceivable.
  • Containers in the range from 10ml to 1000ml are particularly suitable.
  • the agitating body can be a ball, for example made of a metallic material.
  • the device is suitable for different purposes for dispensing different liquids.
  • the device is particularly preferably used for dispensing pretreatment agents such as primers for the pretreatment of subsoil in the production of adhesive connections and in corrosion protection.
  • the feed opening can have any opening geometry and opening area which is particularly suitable for the respective liquid.
  • feed openings can also be used. Particularly advantageous is one or more feed openings have been found, whose summed total open area in the range from 4mm 2 to 20mm 2, more preferably in the range of 5 mm 2 is up to 16mm. 2
  • it has proven to be particularly advantageous to provide a slot-shaped feed opening which is arranged, for example, around the region of the receptacle.
  • the area of the receptacle can be attached to webs or other auxiliary devices, which for example can cover the feed opening in areas. It can also be a plurality of feed openings, the sum of the individual opening areas of the plurality of feed openings preferably being in the range mentioned above.
  • the adapter preferably has a filling opening for the liquid from the container, which is opposite the feed openings.
  • the diameter of said filling opening is preferably in the range from 10 mm to 20 mm.
  • the diameter of the filling opening is preferably selected and the supply openings described above are designed such that the ratio between the opening area of the filling opening and the total opening area of all supply openings is in the range of 4-80.
  • the applicator head can have any design. According to the invention, however, the applicator head has at least one protruding holding element with which it is attached to the container or other part of the device by means of a receptacle.
  • the holding element is preferably designed in the form of a pin, in particular in the form of a dome, a pin or a style and can in particular have a round, oval, triangular or polygonal cross section, the length of the holding element preferably corresponding to a multiple of the diameter of the holding element.
  • the holding element can in particular consist of plastic, wood or metal.
  • the holding element is preferably made of stainless steel.
  • the holding element is preferably designed from a solid material, that is not hollow. The retaining element has two functions.
  • the one hand serves to fix the application agent on the distal side in a fixation function.
  • the one on the opposite side is used in an assembly function to fasten the applicator head via said receptacle on the container or on another part of the device.
  • a material or force-fit connection technique is particularly suitable for the fixing function.
  • an application means suitable for the application can be fixed to one side of the holding element by means of an adhesive. It is also conceivable that the application means can be clamped in by parts of the holding element itself.
  • a material-locking, force-locking or form-locking connection technology or a combination of the above are suitable for the assembly function.
  • a thread or another assembly area can also be provided, with a corresponding assembly area in turn being provided on the receptacle.
  • corresponding shapes of the receiving and holding elements these being designed in such a way that a non-positive connection can be provided between the surfaces that come into contact in the assembled state.
  • a releasable connection technology is preferred for the assembly function, the separation being preferred can be done by the user himself without the aid of a tool and can preferably be done without destroying the container or parts of the device.
  • the application agent can have any shape that is suitable for the particular application.
  • the application means is preferably essentially spherical, with the spherical shape in particular being able to be interrupted and / or displaced by the pin and / or parts of the container or by other parts of the device in the assembled state.
  • a device that is particularly easy to manufacture can be created by such a design. It is conceivable, for example, to equip a universal basic device with an applicator head which is equipped with an application means suitable for the respective purpose. This is conceivable, for example, at the factory, as well as on the part of the end user. Cases of use are also conceivable in which a used application head is removed by releasing the connection between the holding element and the receptacle and exchanging it for a new application head.
  • the receptacle for the holding element has a receptacle opening for inserting the holding element, the receptacle opening being spatially and functionally separate from the feed opening.
  • the liquid is not dispensed from the container via the receiving opening, in particular to prevent the receiving opening from becoming soiled. Rather, the liquid is dispensed only via one or more feed openings.
  • the device has a protruding neck on the distal side, the applicator head being arranged such that the application means protrudes from the protruding neck in the direction of the distal side.
  • the neck can in particular serve as an extension or extension for the application means.
  • the neck can serve, for example, as a guide when dispensing a liquid onto a substrate.
  • the neck is designed in such a way that it tapers in the direction of the distal side.
  • the neck can be conical or frustoconical.
  • the neck has a length in the range from 5 mm to 20 mm. An essentially round cross-section in the range from 10 mm to 20 mm is preferred.
  • the neck is particularly preferably conical, with a diameter in the range from 15 mm to 20 mm on the proximal side and a diameter in the range from 10 mm to 15 mm on its opposite distal, free side. Furthermore, it has been found to be particularly advantageous that the neck tapers at an angle in the range of 5 ° -45 ° in the direction of the distal side. The angle is provided between the surface line and in particular the cone axis of the neck.
  • the shape of the application means is chosen such that it projects beyond the protruding neck on the distal side on all sides.
  • an essentially spherical application means described above is conceivable, the diameter of the spherical shape being greater than the diameter of the neck at least in the adjoining area.
  • Another advantage is the equipment of the device with a protruding collar on the distal side below the application means, which has a stop area pointing in the distal direction in order to provide a possibility of guiding when the liquid is being dispensed.
  • the user can support the device on the stop area of the collar, for example on a free edge of the substrate to which the liquid is to be applied.
  • the collar is preferably used in conjunction with the protruding neck described above. It has turned out to be particularly advantageous if the collar protrudes beyond the neck at least in some areas, but preferably on all sides in the range of 2 mm to 10 mm.
  • the outer edge of the collar can be rounded with a radius in the range from 0.5 mm to 3 mm or alternatively have a bevel.
  • the applicator head has a large number of fibers as application means, which are fixed by the holding element.
  • the applicator head is designed like a brush, and the fibers can be of any nature.
  • synthetic fibers made from a plastic material are conceivable, but also natural fibers, in particular made from sheep's or cotton.
  • the use of a holding element made of a metallic material can prove to be useful, with one end of the holding element for the fixing function being bent over and / or twisted into one another in particular in such a way that the large number of fibers are fixed.
  • the use of fibers made of wool has proven to be particularly advantageous.
  • the applicator head can be constructed and assembled according to the principle of a wool wiper known to the person skilled in the art.
  • the use of fibers with a single fiber length in the range from 5 mm to 15 mm is particularly advantageous.
  • a single fiber length is to be understood as the length of a fiber from the point of fixation on the holding element to its end. Nevertheless, it is conceivable to use fibers which, for example, are fastened in the middle of the holding element, in particular by the above-described fixing function, so that the fibers themselves are longer. In this case, however, the respective free part of the fiber on each side of the fixation also preferably has the above-mentioned single fiber length.
  • the fibers are preferably arranged and designed in such a way that they have a spherical shape.
  • the use of such an applicator head can also prove to be particularly advantageous because the user can cut individual fibers or a large number of fibers in such a way that a desired shape of the application agent is created, which is particularly suitable for the substrate, for example.
  • the fibers are preferably designed in such a way that they contain the solid bodies contained in the liquid or do not filter out and retain active ingredients, but enable them to be transported to the surface to be wetted.
  • fibers that are as smooth as possible in order to minimize the removal of material particles from the substrate, that is, chipping.
  • an applicator head that has a porous material, in particular one or more foam, felt or fiber bodies as application means, which are attached to the holding element, can also prove to be useful.
  • the applicator head can be exchanged.
  • the receiving element and the holding element are designed in such a way that the holding element can be removed in order to ensure that the applicator head can be exchanged.
  • a releasable connection technology is preferably used for the assembly function described above, whereby the separation can preferably be carried out by the user himself without the aid of a tool and preferably without destroying the container or parts of the device.
  • the user can thus exchange used applicator heads for unused ones.
  • the equipment of a universal basic device must also be equipped with an applicator head which is equipped with an application medium suitable for the respective purpose.
  • an adapter which is arranged at the open end of the container and contains the receptacle and the supply opening, the adapter having a means for conveying the liquid, i.e. a communication option between a cavity of the container and the supply opening for supplying liquid having from the container to the application agent.
  • the adapter is preferably made of a plastic material.
  • a thermoplastic material is particularly preferably used.
  • Polyethylene is particularly suitable here. It is conceivable here to manufacture the adapter by means of an injection molding process.
  • the adapter is designed as a separate component that can be mounted on the container at the factory or by the user.
  • the adapter can be equipped with one or more mounting sections in order to connect the adapter to a container.
  • These assembly sections are preferably designed to be conical at least in some areas and are pushed into an opening of the container at least in some areas in order to mount the adapter on a container.
  • the adapter can also have sealing means in order to ensure a tight connection with the container. With such an adapter, any container with an applicator head described above can be used. It is also possible to retrofit existing containers.
  • Another basic concept of the present invention is therefore an adapter having a mounting section for mounting on a container and a receptacle for mounting an applicator head with an application means, the adapter providing a means of communication between the cavity of the container and the feed opening for supplying liquid from the container the application means for providing a device described above.
  • the adapter preferably has several assembly sections for different containers and in particular different diameters of the openings of different containers.
  • provision can be made to equip the assembly section or sections with assembly areas, such as, for example, threads, latching areas, conical sections or the like.
  • the adapter has a preferably radially protruding neck on one side, which can be designed as described above and can bring advantages described above.
  • the neck tapers in the direction of the distal side.
  • the neck can be designed conically.
  • the neck has a length in the range from 5 mm to 20 mm.
  • An essentially round cross-section in the range from 10 mm to 20 mm is preferred.
  • the neck is particularly preferably conical, with a diameter in the range from 15 mm to 20 mm on the proximal side and a diameter in the range from 10 mm to 15 mm on its opposite distal, free side.
  • the adapter has a protruding collar.
  • the collar can be used in particular as an assembly aid when assembling the adapter on a container.
  • the collar can have a stop area described above in order to ensure that the device can be guided as described above.
  • the collar is preferably used in conjunction with the protruding neck described above. It has turned out to be particularly advantageous if the collar protrudes beyond the neck at least in some areas, but preferably on all sides in the range of 2 mm to 10 mm.
  • FIG. 1 shows a side view of a device 1 according to the invention, which is used as an applicator for a primer solution in the motor vehicle trade.
  • the device 1 includes a container 10 made of a plastic material which contains the liquid to be dispensed.
  • the container 10 is designed to be rotationally symmetrical in one axis 4 and has on its underside on a proximal side 3 a round base 12 which is designed as a standing base in order to be able to put the device 1 down.
  • a jacket surface extends in the direction of an opposite distal side 2 and opens into a shoulder 13, in which the container 10 tapers conically up to a hollow cylindrical, neck-shaped extension 14. At this top, the container 10 is designed to be open.
  • An attachment unit 5 consisting of an adapter 30 and an applicator head 20 is mounted on the container 10.
  • the outer contour of the adapter 30 is designed to be rotationally symmetrical about the axis 4.
  • the adapter has a first assembly section 34, which tapers in the direction of the extension 14 and is conically shaped, and is pushed into an opening of the extension 14 with a covered, second, conical and likewise tapered assembly section. Said inserted assembly section is used here for sealing, for compensating tolerances in the opening and is self-locking.
  • the design of the second assembly section provides a press fit with the inner wall of the extension 14, so that a secure connection between the adapter 30 and the container 10 can be made possible.
  • a radially protruding collar adjoins the first assembly section 34 32, which has a flat stop area 33 pointing in the direction of the distal side 2 on its upper side.
  • the collar 32 serves, on the one hand, for the simple assembly of the adapter 30 on the container 10, in which a user can be provided with a possibility of attack in order to exert force on the adapter 30 when the adapter 30 is inserted and / or screwed into the opening of the container 10.
  • the collar 32 can be used, in particular via its stop region 33, as a guide when applying the liquid.
  • the stop area 33 ends at a frustoconical neck 31, the imaginary base area of which lies in the plane of the stop area 33.
  • the neck 31 is designed to be rotationally symmetrical about the axis 4 and tapers in the distal side 2 up to an imaginary top surface which represents the distal upper side of the adapter 30.
  • the applicator head 20 is provided here, which has a large number of wool fibers 21 as application means, which are arranged or configured in a spherical manner, the center of the sphere being on the axis 4.
  • the length of the wool fibers 21 is chosen such that the wool fibers 21 on the one hand protrude beyond the protruding neck 31 on the distal side 2, but on the other hand the collar 32 in turn protrudes laterally over the wool fiber 21, i.e. has a lateral overhang with respect to the applicator head 20.
  • Figure 1 thus shows a device 1, which is an assembly consisting of a container 10, an adapter 30 and an applicator head 20.
  • the adapter 30 can also be designed as part of the container 10 and, for example, be molded onto the same.
  • FIG. 4 shows a perspective view of part of the device 1 from FIG Figure 1 , namely the adapter 30 and the applicator head 20, that is to say an attachment unit 5.
  • the attachment unit 5 can, as described above, be connected to a container 10 for applying a liquid to a substrate.
  • the first assembly section 34 and the second assembly section 35 can be seen, which differ in their diameters in order to enable an assembly option for different container shapes and / or sizes.
  • the collar 32 is round, the radius being selected and coordinated with the neck 31 such that the collar 32 extends radially outward on all sides, preferably in the range of 2 mm to 10 mm from the outer wall of the neck 31 at its base. In the exemplary embodiment shown, the collar 32 projects approximately 6 mm on all sides.
  • the neck 31 is designed as a truncated cone, as described, the outer diameter of the neck 31 being approximately 18 mm on its imaginary base area and approximately 12 mm on its imaginary top surface.
  • the length of the neck 31 is selected such that the neck 31 tapers at an angle in the range of 5 ° -45 ° in the direction of the distal side 2. The angle is provided between the surface line and the cone axis, ie the axis 4.
  • an angle of approximately 12 ° has proven to be practicable.
  • a bundle of wool fibers 21 has been fixed in the center of the sphere shown, the wool fibers then being brought into spherical shape. The user can also trim the wool fibers 21 further in order to obtain a desired shape.
  • FIG. 8 shows a perspective view of an applicator head 20 of the device 1 from FIG Figure 1 .
  • the retaining element can be seen here in the form of a style 22 with a circular cross section.
  • the holding element can also be designed as described above, in particular in the form of a pin or a mandrel.
  • the style 22 is made from stainless steel wire and has a style end 23 on the underside of the applicator head 20.
  • the style 22 is also made of solid material, so not hollow.
  • the other end of the style 22, which is covered by the wool fibers 21, is bent as an eyelet which fixes the wool fibers 21.
  • FIG. 3 shows a perspective view of an adapter 30 of the device 1 from FIG Figure 1 .
  • the adapter 30 consists of polyethylene and has been manufactured by means of an injection molding process.
  • the adapter 30 is designed as described above, but further features can be seen here, since the applicator head 20 is made of Figure 3 has not yet been installed.
  • the neck 31 of the adapter 30 opens into the top surface, in which an insert 47 located inside the adapter 31 and partially shaped as a hollow cylinder can be seen, which has a central opening 36 which enables access to a receiving space 37.
  • the opening 36 is formed via a wall 48 of the insert 47.
  • the receiving space 37 is provided for introducing the above-described style 22 of the applicator head 20 in order to enable the applicator head 20 to be fastened.
  • Four circular ring segment-like feed openings 44 are arranged concentrically around the opening 36. The full circular area is only interrupted by four webs 45, by means of which the insert 47, and in particular the wall 48 defining the opening 36, is connected to the neck 31.
  • the feed openings 44 are used to feed liquid to be dispensed to an applicator head 20, not shown here.
  • the total opening area of all feed openings 44 is preferably in the range from 4mm 2 to 20mm 2 , particularly preferably in the range from 5mm 2 to 16mm 2 , in the embodiment shown about 10mm 2 .
  • FIG. 11 shows a sectional side view of the adapter 30 from FIG Figure 4 .
  • the adapter 30 has an antechamber 41 which is accessible via a filling opening 50.
  • the vestibule 41 is delimited by the first assembly section 34 and the second assembly section 35.
  • the diameter of the antechamber 41 and the filling opening 50 is preferably in the range from 10 mm to 20 mm.
  • the insert 47 protrudes from the distal side in the direction of the vestibule 41, the insert 47 being connected to the neck 31 on the distal side via said webs 45 extending over the feed openings 44.
  • the insert 47 encloses the receiving space 37 in which a sleeve-shaped receptacle 38 for an applicator head 20 (not shown) is located Figure 3 is located.
  • the receptacle 38 has a Receiving bore 39 running concentrically to opening 36 and open via a receiving opening 46 in the direction of the distal side.
  • For mounting the applicator head from Figure 3 its style 22 is inserted from the distal side through the opening 36 via the receiving space 37 and finally through the receiving opening 46 into the receiving bore 39.
  • the receptacle 38 is designed to be open in the direction of the anteroom 41 via a passage 40, so that communication from the anteroom 41 to the receiving bore 39 is possible.
  • the outer wall of the sleeve-shaped receptacle 38 is spaced from the inside of the wall 48 of the insert 47, so that a circumferential gap 51 is formed here.
  • the insert 47 On its proximal side, the insert 47 has a base which is formed by a bevel 49 which extends from the wall 27 in the direction of the axis and which finally opens into the passage 40.
  • the liquid reaches said adapter 30 via said filling opening 50. And from there it reaches the anteroom 41.
  • the further path leads the liquid for application onto a substrate into an intermediate space 42, the is formed between the inner wall of the vestibule 41 and the wall 27 of the insert 47 protruding into the vestibule 41 and further into a feed 43.
  • the feed 43 is the tapering area between the inner wall of the neck 31, which extends at an angle to the axis 4, and the Wall 27 extending parallel to axis 4. Feed 43 finally opens into feed openings 44 on the distal side.
  • the diameter of the filling opening 50 of the antechamber 41 is preferably in the range from 10 mm to 20 mm.
  • the diameter of the opening is preferably selected and the feed openings 44 are designed such that the ratio of the area of the filling opening 50 and the total opening area of all the feed openings 44 is in the range of 4-80. In the exemplary embodiment shown, the ratio is approximately 20.
  • FIG. 11 shows a partially sectioned side view of the device 1 from FIG Figure 1 .
  • the attachment unit consisting of adapter 30 and applicator head 20 Figure 2 already mounted on the container 10.
  • the container 10 was opened so that an opening 16 is free and the adapter 30 was introduced into the opening 16 with its underside first.
  • the adapter 30 and the container 10 are matched to one another in such a way that a frictional connection on the one hand and a seal on the other hand takes place between the outer surface of the first assembly section 34 and the inside of the neck-shaped extension 14 and in particular with an opening edge 17 delimiting the opening 16.
  • the underside of the collar 32 rests on the end face of the neck-shaped extension 14.
  • a cavity 11 of the container 10 can also be seen, in which a liquid 18 is located.
  • a shaking ball 19 is also provided for mixing the constituents of the liquid 18.
  • both the space 42 and the feed 43 are designed to be smaller than the diameter of the shaking ball 19.
  • the applicator head 20 can also be exchanged, so that the applicator head 20 can be exchanged after the liquid 18 has been applied to a substrate.
  • Style 22 of the applicator head 20 is inserted into the receiving bore 38 until the style end 23 reaches the end of the receiving bore 39.
  • Style 22 and receiving bore 39 are designed and matched to one another in such a way that a non-positive connection can be provided which, on the one hand, enables the applicator head 20 to be fixed to the adapter 30, in particular while the liquid 18 is being applied, and, on the other hand, allows the applicator head 20 to be removed by the user without the aid of tools and without destroying the adapter 30 in particular.
  • FIG 6 It also shows Figure 6 the filling opening 50, via which communication between the adapter 30 and the container 10 is possible, so that the liquid 18 upon application from the cavity 11 through the filling opening 50, into the antechamber 41, further through the intermediate space 42 and the feed 43 and finally can reach the wool fibers 21 of the applicator head 20.
  • the liquid 18 is applied directly from the container 10 via the wool fibers 21.
  • the applicator head 20 with its wool fibers 21 in spherical shape can be used as a container closure, for example to prevent volatile components of the liquid 18 from evaporating.
  • Figure 7 shows a side view of two inventive devices 1 while liquids are being applied to a flat surface 7 of a substrate 6.
  • the left device 1 lies with the outside of the neck 31 on the surface 7 and is guided over the surface 7 in this way.
  • the angle between the axis 4 of the left device 1 and the surface 7 essentially corresponds to the angle at which the neck 31 tapers as described above and is thus approximately 12 ° in the exemplary embodiment shown.
  • the spherical shape of the wool fibers 21 of the applicator head 20 is compressed in some areas.
  • the flexible wool fibers 21 can also adapt to the substrate, so that even uneven and / or rough surfaces can be completely wetted.
  • the right device 1 is moved in such a way that the axis 4 is arranged parallel to the surface 7.
  • the user uses the stop area 33 of the collar 32, which he guides along an edge of the substrate 6.
  • the device 1 is guided over the surface with the outside of the neck 31 in the transition area to the collar 32.
  • the outer edge of the collar 32 is rounded with a radius of 0.75 mm.
  • the spherical shape of the wool fibers 21 is compressed in some areas.

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  • Coating Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Auftragen einer Flüssigkeit aufweisend einen hohlen Behälter für die Flüssigkeit mit einem geschlossenen und einem offenen Ende und einem am offenen Ende des Behälters angeordneten Applikatorkopf.The invention relates to a device for applying a liquid, comprising a hollow container for the liquid with a closed and an open end and an applicator head arranged at the open end of the container.

Eingangs genannte Vorrichtungen sind beispielsweise als Applikatoren oder Applikatorstifte im Stand der Technik bekannt. Beispielsweise zeigt die WO2013041573A1 einen Applikationsstift zum flächigen Austrag einer Flüssigkeit, mit einem hohlen Stiftkörper aus Kunststoff mit einem geschlossenen und einem offenen Ende und einem auf dem offenen Ende des Stiftkörpers sitzenden Applikatorkopf, der einen Schaumstoff aufweist.The devices mentioned at the beginning are known, for example, as applicators or applicator pens in the prior art. For example, the WO2013041573A1 an application pen for the flat discharge of a liquid, with a hollow pen body made of plastic with a closed and an open end and an applicator head seated on the open end of the pen body and comprising a foam.

Ferner offenbart die EP2564940A1 einen Applikationsstift zum Austrag einer in einer harten Ampulle gespeicherten Flüssigkeit, mit einem zur Aufnahme der Ampulle ausgebildeten hohlen Kunststoff-Stiftkörper mit einem geschlossenen und einem offenen Ende, dessen Wandung hinreichend flexibel ist, um die im Kunststoff-Stiftkörper aufgenommene Ampulle werkzeuglos zu brechen und hierdurch einen Austritt der Flüssigkeit in das Innere des Kunststoff-Stiftkörpers zu bewirken, und einem auf dem offenen Ende des Kunststoff-Stiftkörpers sitzenden Applikatorkopf, der einen Schaumstoff, Filz oder Faserkörper aufweist.Furthermore, the EP2564940A1 an application pen for dispensing a liquid stored in a hard ampoule, with a hollow plastic pen body designed to accommodate the ampoule with a closed and an open end, the wall of which is sufficiently flexible to break the ampoule accommodated in the plastic pen body without tools and thereby to cause the liquid to escape into the interior of the plastic pen body, and an applicator head which is seated on the open end of the plastic pen body and has a foam, felt or fiber body.

Einen weiteren Applikatorstift offenbart die US20130189440A1 , wobei hier eine Applikationsspitze zur Applikation eines acrylhaltigen Materials vorgesehen ist.Another applicator pen discloses US20130189440A1 , an application tip for the application of an acrylic-containing material being provided here.

Die WO200038564A1 offenbart einen Applikator zum Abgeben von Flüssigkeiten mit einem Außenrohr mit mindestens einer Schicht aus undurchlässigem Kunststoff darauf, die eine zerbrechbare Ampulle für die abzugebende Flüssigkeit aufweist. Das Außenrohr ist an einem Ende geschlossen und am weist am gegenüberliegenden, offenen Ende eine Auftragsspitze aus porösem Schaumstoff auf. Ferner ist ein Gleitring vorgesehen, der als Führung bei Abgeben der Flüssigkeit genutzt werden kann.The WO200038564A1 discloses an applicator for dispensing liquids having an outer tube with at least one layer of impermeable plastic thereon having a breakable ampoule for the liquid to be dispensed. The outer tube is closed at one end and at the opposite, open end has an applicator tip made of porous foam. A sliding ring is also provided, which can be used as a guide when the liquid is dispensed.

Die EP2227981A1 wiederum offenbart eine Applikatorflasche aufweisend eine siebförmige Applikationsfläche, welche in Kontakt mit einem porösen Flüssigkeitsspeicher steht, so dass eine kontrollierte, kontinuierliche Applikation auch eines dünnflüssigen Mediums gewährleistet ist.The EP2227981A1 in turn discloses an applicator bottle having a sieve-shaped application surface, which is in contact with a porous liquid reservoir, so that a controlled, continuous application of a thin liquid medium is also ensured.

Aufgabe der Erfindung ist die Bereitstellung eines verbesserten Applikators.The object of the invention is to provide an improved applicator.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is achieved by the features of claim 1.

Vorteilhafte Weiterbildungen sind mit den Unteransprüchen angegeben.Advantageous further developments are given in the subclaims.

Grundgedanke der Erfindung ist der Einsatz einer Vorrichtung zur Ausgabe einer Flüssigkeit auf ein Substrat aufweisend einen Behälter für die Flüssigkeit mit einem offenen Ende an einer distalen Seite und einem geschlossenen Ende an einer proximalen Seite, und einem an dem offenen Ende angeordneten Applikatorkopf aufweisend ein an einem vorstehenden Haltelement befestigtes Applikationsmittel, wobei eine Aufnahme für das Haltelement vorgesehen ist, um eine Befestigungsmöglichkeit für den Applikatorkopf bereitzustellen und wobei eine Zuführöffnung zur Zuführung von Flüssigkeit aus dem Behälter zu dem Applikationsmittel vorgesehen ist.The basic idea of the invention is the use of a device for dispensing a liquid onto a substrate having a container for the liquid with an open end on a distal side and a closed end on a proximal side, and an applicator head arranged on the open end having an applicator head Application means attached to the protruding holding element, a receptacle for the holding element being provided in order to provide an attachment option for the applicator head, and a feed opening being provided for supplying liquid from the container to the application means.

Als Behälter können beliebige Formen und Arten genutzt werden. Denkbar sind hierbei insbesondere Tuben, Flaschen, Tiegel und alle anderen dem Fachmann bekannten Formen und Arten von Behältern, die sich für den jeweiligen Einsatzzweck eignen. Bevorzugt kommen flaschenartige Behälter zum Einsatz, die derartig ausgebildet ist, dass eine Ausgabe der Flüssigkeit nicht mit einer dauerhaften Deformation einer oder mehrerer Behälterwände einhergeht. Einerseits ist hier eine steife Ausbildung der Behälterwände denkbar, andererseits jedoch eine Wahl eines Materials und/oder einer Form, die eine derartige Rückstellkraft der Behälterwände ermöglicht, dass bei einer regelmäßigen Deformation der Behälterwände im Regelfall eine eigenständige Rückstellung in den ursprungszustand erfolgt. Bevorzugt kommt als Material für den Behälter ein Kunststoff zum Einsatz, vorzugsweise ein thermoplastischer Kunststoff wie beispielsweise ein Polypropylen oder ein Polyethylen. Auch sind unterschiedliche Behältergrößen denkbar. So eignen sich insbesondere Behälter im Bereich von 10ml bis 1000ml.Any shape or type can be used as a container. Tubes, bottles, crucibles and all other shapes and types of containers known to the person skilled in the art that are suitable for the respective purpose are conceivable here. Bottle-like containers are preferably used which are designed in such a way that dispensing of the liquid does not involve permanent deformation of one or more container walls. On the one hand, a stiff design of the container walls is conceivable, on the other hand, however, a choice of a material and / or a shape that enables such a restoring force of the container walls that an independent return to the original state usually takes place with a regular deformation of the container walls. A plastic is preferably used as the material for the container, preferably a thermoplastic such as, for example, a polypropylene or a polyethylene. Different container sizes are also conceivable. Containers in the range from 10ml to 1000ml are particularly suitable.

Ferner hat es sich als sinnvoll erweisen, einen Aufschüttelkörper vorzusehen, welcher im Behälter angeordnet ist. Dieser kann zum Aufschütteln der Flüssigkeit genutzt werden, wodurch beispielsweise ein Durchmischen von verschiedenen Inhaltsstoffen und/oder ein Homogenisieren erreicht werden kann. Insbesondere kann der Aufschüttelkörper eine Kugel, beispielsweise aus einem metallischen Material sein.Furthermore, it has proven to be useful to provide a shaking body which is arranged in the container. This can be used to shake up the liquid, as a result of which, for example, various ingredients can be mixed and / or homogenized. In particular, the agitating body can be a ball, for example made of a metallic material.

Die Vorrichtung eignet sich für unterschiedliche Einsatzzwecke zur Ausgabe unterschiedlicher Flüssigketen. Besonders bevorzugt kommt die Vorrichtung zur Ausgabe von Vorbehandlungsmitteln wie beispielsweise Primern für die Vorbehandlung von Untergründung bei der Erzeugung von Klebeverbindungen und im Korrosionsschutz zum Einsatz.The device is suitable for different purposes for dispensing different liquids. The device is particularly preferably used for dispensing pretreatment agents such as primers for the pretreatment of subsoil in the production of adhesive connections and in corrosion protection.

Die Zuführöffnung kann eine beliebige und sich insbesondere für die jeweilige Flüssigkeit eignende Öffnungsgeometrie und Öffnungsfläche aufweisen. Auch können mehrere Zuführöffnungen zum Einsatz kommen. Als besonders vorteilhaft haben sich eine oder mehrere Zuführöffnungen erwiesen, dessen summierte Gesamtöffnungsfläche im Bereich von 4mm2 bis 20mm2, besonders bevorzugt im Bereich von 5mm2 bis 16mm2 liegt. Zudem hat es sich als besonders vorteilhaft erwiesen, eine schlitzförmige Zuführöffnung bereitzustellen, die beispielsweise um den Bereich der Aufnahme herum angeordnet ist. Der Bereich der Aufnahme kann dabei an Stegen oder sonstigen Hilfseinrichtungen befestigt sein, die beispielsweise bereichsweise die Zuführöffnung abdecken können. Auch kann es sich um eine Vielzahl an Zuführöffnungen handeln, wobei die Summe der einzelnen Öffnungsflächen der Vielzahl an Zuführöffnungen vorzugsweise in dem oberhalb genannten Bereich liegt.The feed opening can have any opening geometry and opening area which is particularly suitable for the respective liquid. Several feed openings can also be used. Particularly advantageous is one or more feed openings have been found, whose summed total open area in the range from 4mm 2 to 20mm 2, more preferably in the range of 5 mm 2 is up to 16mm. 2 In addition, it has proven to be particularly advantageous to provide a slot-shaped feed opening which is arranged, for example, around the region of the receptacle. The area of the receptacle can be attached to webs or other auxiliary devices, which for example can cover the feed opening in areas. It can also be a plurality of feed openings, the sum of the individual opening areas of the plurality of feed openings preferably being in the range mentioned above.

Dabei weist der Adapter vorzugsweise eine den Zuführöffnungen gegenüberliegende Einfüllöffnung für die Flüssigkeit aus dem Behälter auf. Der Durchmesser besagter Einfüllöffnung liegt vorzugsweise im Bereich von 10mm bis 20mm. Vorzugsweise ist der Durchmesser der Einfüllöffnung derart gewählt und oberhalb beschriebene Zuführöffnungen sind derart gestaltet, dass das Verhältnis zwischen der Öffnungsfläche der Einfüllöffnung und der summierten Öffnungsfläche aller Zuführöffnungen im Bereich von 4 - 80 liegt.In this case, the adapter preferably has a filling opening for the liquid from the container, which is opposite the feed openings. The diameter of said filling opening is preferably in the range from 10 mm to 20 mm. The diameter of the filling opening is preferably selected and the supply openings described above are designed such that the ratio between the opening area of the filling opening and the total opening area of all supply openings is in the range of 4-80.

Der Applikatorkopf kann dabei eine beliebige Gestaltung aufweisen. Erfindungsgemäß weist der Applikatorkopf jedoch zumindest ein vorstehendes Haltelement auf, mit welchem er mittels einer Aufnahme an dem Behälter oder anderen Teil der Vorrichtung befestigt ist. Das Halteelement ist vorzugsweise stiftartig, insbesondre in Form eines Domes, eines Zapfens oder eines Stiles gestaltet und kann insbesondere einen runden, ovalen, drei- oder vieleckigen Querschnitt aufweisen, wobei die Länge des Halteelementes vorzugsweise einem Vielfachen des Durchmessers des Halteelementes entspricht. Das Halteelement kann dabei insbesondere aus Kunststoff, Holz oder Metall bestehen. Vorzugsweise ist das Halteelement aus Edelstahl. Vorzugsweise ist das Halteelement dabei aus einem Vollmaterial gestaltet, also nicht hohl. Das Halteelement hat zwei Funktionen. Zum einen dient er an der distalen Seite in einer Fixierungsfunktion der Fixierung des Applikationsmittels. Zum anderen dient der an entgegengesetzter Seite in einer Montagefunktion der Befestigung des Applikatorkopfes über besagten Aufnahme an dem Behälter oder an einem anderen Teil der Vorrichtung. Für die Fixierungsfunktion eignet sich insbesondere eine stoffschlüssige oder eine kraftschlüssige Verbindungstechnik. So kann ein sich für den Anwendungsfall eignendes Applikationsmittel beispielsweise mittels eines Klebstoffes an der einen Seite des Halteelementes fixiert werden. Denkbar ist zudem ein Einklemmen des Applikationsmittels durch Teile des Halteelementes selbst. Für die Montagefunktion eignet sich eine stoffschlüssige, eine kraftschlüssige oder eine formschlüssige Verbindungstechnik oder auch eine Kombination aus den genannten. So ist es beispielsweise denkbar, einen Klebstoff zur Montage des Halteelementes in der Aufnahme vorzusehen. Auch kann beispielsweise ein Gewinde vorgesehen werden oder ein anderer Montagebereich, wobei ein korrespondierender Montagebereich wiederum an der Aufnahme vorgesehen ist. Denkbar ist ferner die Nutzung korrespondierender Formen von Aufnahme und Halteelement, wobei selbige derartig gestaltet sind, dass zwischen den in Kontakt tretenden Oberflächen im montierten Zustand eine kraftschlüssige Verbindung bereitgestellt werden kann. Bevorzugt kommt eine wieder lösbare Verbindungstechnik für die Montagefunktion, wobei die Trennung vorzugsweise durch den Anwender selbst ohne Zuhilfenahme eines Werkzeugs erfolgen kann und vorzugsweise ohne Zerstörung des Behälters oder Teile der Vorrichtung erfolgen kann.The applicator head can have any design. According to the invention, however, the applicator head has at least one protruding holding element with which it is attached to the container or other part of the device by means of a receptacle. The holding element is preferably designed in the form of a pin, in particular in the form of a dome, a pin or a style and can in particular have a round, oval, triangular or polygonal cross section, the length of the holding element preferably corresponding to a multiple of the diameter of the holding element. The holding element can in particular consist of plastic, wood or metal. The holding element is preferably made of stainless steel. The holding element is preferably designed from a solid material, that is not hollow. The retaining element has two functions. On the one hand, it serves to fix the application agent on the distal side in a fixation function. On the other hand, the one on the opposite side is used in an assembly function to fasten the applicator head via said receptacle on the container or on another part of the device. A material or force-fit connection technique is particularly suitable for the fixing function. For example, an application means suitable for the application can be fixed to one side of the holding element by means of an adhesive. It is also conceivable that the application means can be clamped in by parts of the holding element itself. A material-locking, force-locking or form-locking connection technology or a combination of the above are suitable for the assembly function. For example, it is conceivable to provide an adhesive for mounting the holding element in the receptacle. For example, a thread or another assembly area can also be provided, with a corresponding assembly area in turn being provided on the receptacle. It is also conceivable to use corresponding shapes of the receiving and holding elements, these being designed in such a way that a non-positive connection can be provided between the surfaces that come into contact in the assembled state. A releasable connection technology is preferred for the assembly function, the separation being preferred can be done by the user himself without the aid of a tool and can preferably be done without destroying the container or parts of the device.

Das Applikationsmittel kann eine beliebige und sich für den jeweiligen Einsatzzweck eignende Form aufweisen. Vorzugsweise ist das Applikationsmittel im Wesentlichen Kugelförmig, wobei die Kugelform insbesondere durch den Stift und/oder Teile des Behälters oder durch andere Teile der Vorrichtung im montierten Zustand unterbrochen sein und/oder verdrängt werden kann.The application agent can have any shape that is suitable for the particular application. The application means is preferably essentially spherical, with the spherical shape in particular being able to be interrupted and / or displaced by the pin and / or parts of the container or by other parts of the device in the assembled state.

Durch eine derartige Gestaltung kann eine besonders einfach herzustellende Vorrichtung geschaffen werden. Dabei ist es beispielsweise denkbar, eine universelle Basisvorrichtung mit einem Applikatorkopf auszurüsten, der mit einem für den jeweiligen Einsatzzweck passenden Applikationsmittel ausgestattet ist. Dies ist beispielsweise werksseitig denkbar, als auch auf Seiten des Endanwenders. Auch sind Einsatzfälle denkbar, bei denen ein gebrauchter Applikationskopf entfernt wird, indem die Verbindung zwischen Halteelement und Aufnahme gelöst wird, und gegen einen neuen Applikationskopf ausgetauscht wird.A device that is particularly easy to manufacture can be created by such a design. It is conceivable, for example, to equip a universal basic device with an applicator head which is equipped with an application means suitable for the respective purpose. This is conceivable, for example, at the factory, as well as on the part of the end user. Cases of use are also conceivable in which a used application head is removed by releasing the connection between the holding element and the receptacle and exchanging it for a new application head.

In einer vorteilhaften Weiterbildung weist die Aufnahme für das Halteelement eine Aufnahmeöffnung zum Einführen des Halteelement auf, wobei die Aufnahmeöffnung räumlich und auch funktional getrennt von der Zuführöffnung ist. Die Ausgabe der Flüssigkeit aus dem Behälter erfolgt in diesem Fall also nicht über die Aufnahmeöffnung, insbesondere um ein Verschmutzen der Aufnahmeöffnung zu vermeiden. Vielmehr erfolgt die Ausgabe der Flüssigkeit lediglich über ein oder mehrere Zuführöffnungen.In an advantageous development, the receptacle for the holding element has a receptacle opening for inserting the holding element, the receptacle opening being spatially and functionally separate from the feed opening. In this case, the liquid is not dispensed from the container via the receiving opening, in particular to prevent the receiving opening from becoming soiled. Rather, the liquid is dispensed only via one or more feed openings.

Erfindungsgemäß weist die Vorrichtung an der distalen Seite einen vorstehenden Hals auf, wobei der Applikatorkopf derart angeordnet ist, dass das Applikationsmittel von dem vorstehenden Hals in Richtung distaler Seite vorsteht. Der Hals kann dabei insbesondere als Fortsatz oder Verlängerung für das Applikationsmittel dienen. Hierbei kann der Hals beispielsweise als Führungshilfe bei der Ausgabe einer Flüssigkeit auf ein Substrat dienen. Der Hals ist derart ausgebildet, dass er sich in Richtung distaler Seite verjüngt. Insbesondere kann der Hals dabei konisch oder kegelstumpfförmig gestaltet sein. In einem bevorzugten Ausführungsbeispiel weist der Hals eine Länge im Bereich von 5mm bis 20mm auf. Bevorzugt ist ein im Wesentlichen runder Querschnitt im Bereich von 10mm bis 20mm. Besonders bevorzugt ist der Hals konisch gestaltet, wobei er an der proximalen Seite einen Durchmesser im Bereich von 15 mm bis 20mm aufweist und an seiner gegenüberliegenden distalen, freien Seite einen Durchmesser im Bereich von 10mm bis 15mm. Ferner hat es sich als besonders vorteilhaft herausgestellt, dass sich der Hals in einem Winkel im Bereich von 5° - 45° in Richtung distale Seite verjüngt. Der Winkel ist dabei zwischen der Mantellinie und insbesondere der Kegelachse des Halses vorgesehen.According to the invention, the device has a protruding neck on the distal side, the applicator head being arranged such that the application means protrudes from the protruding neck in the direction of the distal side. The neck can in particular serve as an extension or extension for the application means. Here, the neck can serve, for example, as a guide when dispensing a liquid onto a substrate. The neck is designed in such a way that it tapers in the direction of the distal side. In particular, the neck can be conical or frustoconical. In a preferred exemplary embodiment, the neck has a length in the range from 5 mm to 20 mm. An essentially round cross-section in the range from 10 mm to 20 mm is preferred. The neck is particularly preferably conical, with a diameter in the range from 15 mm to 20 mm on the proximal side and a diameter in the range from 10 mm to 15 mm on its opposite distal, free side. Furthermore, it has been found to be particularly advantageous that the neck tapers at an angle in the range of 5 ° -45 ° in the direction of the distal side. The angle is provided between the surface line and in particular the cone axis of the neck.

In einer vorteilhaften Weiterbildung ist die Form des Applikationsmittel derart gewählt, dass es den vorstehenden Hals an der distalen Seite allseitig überragt. Beispielsweise ist hierbei ein oberhalb beschriebenes im Wesentlichen kugelförmiges Applikationsmittel denkbar, wobei der Durchmesser der Kugelform größer ist, als der Durchmesser des Halses zumindest im angrenzenden Bereich.In an advantageous development, the shape of the application means is chosen such that it projects beyond the protruding neck on the distal side on all sides. For example, an essentially spherical application means described above is conceivable, the diameter of the spherical shape being greater than the diameter of the neck at least in the adjoining area.

Ein weiterer Vorteil ist die Ausrüstung der Vorrichtung mit einem vorstehenden Kragen an der distalen Seite unterhalb des Applikationsmittels, welcher einen in distale Richtung weisenden Anschlagbereich aufweist, um eine Führungsmöglichkeit bei der Ausgabe der Flüssigkeit bereitzustellen. Der Anwender kann die Vorrichtung an dem Anschlagbereich des Kragens beispielsweise an einer freien Kante des Substrates abstützen, auf welches die Flüssigkeit aufgebracht werden soll. Bevorzugt kommt der Kragen in Verbindung mit oberhalb beschriebenem vorstehenden Hals zum Einsatz. Dabei hat sich als besonders vorteilhaft herausgestallt, wenn der Kragen zumindest bereichsweise, vorzugsweise jedoch allseitig im Bereich von 2mm bis 10mm über den Hals hinausragt. Um ein Entlanggleiten an einer freien Kante des Substrates zu vereinfachen, kann die äußere Kante des Kragens mit einem Radius im Bereich von 0,5 mm bis 3mm abgerundet oder alternativ eine Fase aufweisen.Another advantage is the equipment of the device with a protruding collar on the distal side below the application means, which has a stop area pointing in the distal direction in order to provide a possibility of guiding when the liquid is being dispensed. The user can support the device on the stop area of the collar, for example on a free edge of the substrate to which the liquid is to be applied. The collar is preferably used in conjunction with the protruding neck described above. It has turned out to be particularly advantageous if the collar protrudes beyond the neck at least in some areas, but preferably on all sides in the range of 2 mm to 10 mm. In order to simplify sliding along a free edge of the substrate, the outer edge of the collar can be rounded with a radius in the range from 0.5 mm to 3 mm or alternatively have a bevel.

In einer vorteilhaften Weiterbildung weist der Applikatorkopf eine Vielzahl an Fasern als Applikationsmittel auf, welche von dem Halteelement fixiert werden. Der Applikatorkopf ist in diesem Fall pinselartig ausgestaltet, wobei die Fasern beliebiger Natur sein können. So sind insbesondere Kunstfasern aus einem Kunststoffmaterial denkbar, jedoch auch Naturfasern, insbesondere aus Schafs- oder Baumwolle. Ferner kann sich der Einsatz eines Halteelementes aus einem metallischen Material als sinnvoll erweisen, wobei das eine Ende des Halteelementes für die Fixierungsfunktion insbesondere derart umgebogen und/oder ineinander verdreht ist, dass die Vielzahl an Fasern fixiert wird. Besonders vorteilhaft hat sich der Einsatz von Fasern aus Wolle erwiesen. Der Applikatorkopf kann nach dem Prinzip eines dem Fachmann bekannten Wollwischers aufgebaut und zusammengesetzt sein. Besonders vorteilhaft ist der Einsatz von Fasern mit einer einfachen Faserlänge im Bereich von 5mm bis 15mm. Unter einer einfachen Faserlänge ist dabei die Länge einer Faser vom Punkt der Fixierung am Halteelement bis zu ihrem Ende zu verstehen. Gleichwohl ist es denkbar Fasern einzusetzen, die beispielsweise mittig an dem Halteelement insbesondere durch oberhalb beschriebene Fixierungsfunktion befestigt sind, so dass die Fasern selbst länger sind. In diesem Fall weist jedoch auch der jeweilig freie Teil der Faser an jeder Seite der Fixierung vorzugsweise oberhalb genannte einfache Faserlänge auf. Vorzugsweise sind die Fasern dabei derart angeordnet und gestaltet, dass sie eine Kugelform aufweisen. Der Einsatz eines solchen Applikatorkopfes kann sich auch deshalb als besonders vorteilhaft erweisen, da der Anwender einzelne oder eine Vielzahl von Fasern derart beschneiden kann, dass eine gewünschte Form des Applikationsmittels entsteht, welche sich beispielsweise für das Substrat besonders eignet. In allen Fällen sind die Fasern vorzugsweise derart gestaltet, dass sie die in den Flüssigkeit enthaltende Feststoffkörper oder Wirkstoffe nicht herausfiltern und festhalten, sondern einen Transport auf die zu benetzende Oberfläche ermöglichen. Ferner hat es sich von Vorteil herausgestellt, möglichst glatte Fasern einzusetzen, um ein Abtragen von Stoffteilchen des Substrates, also ein Spanen zu minimieren.In an advantageous development, the applicator head has a large number of fibers as application means, which are fixed by the holding element. In this case, the applicator head is designed like a brush, and the fibers can be of any nature. In particular, synthetic fibers made from a plastic material are conceivable, but also natural fibers, in particular made from sheep's or cotton. Furthermore, the use of a holding element made of a metallic material can prove to be useful, with one end of the holding element for the fixing function being bent over and / or twisted into one another in particular in such a way that the large number of fibers are fixed. The use of fibers made of wool has proven to be particularly advantageous. The applicator head can be constructed and assembled according to the principle of a wool wiper known to the person skilled in the art. The use of fibers with a single fiber length in the range from 5 mm to 15 mm is particularly advantageous. A single fiber length is to be understood as the length of a fiber from the point of fixation on the holding element to its end. Nevertheless, it is conceivable to use fibers which, for example, are fastened in the middle of the holding element, in particular by the above-described fixing function, so that the fibers themselves are longer. In this case, however, the respective free part of the fiber on each side of the fixation also preferably has the above-mentioned single fiber length. The fibers are preferably arranged and designed in such a way that they have a spherical shape. The use of such an applicator head can also prove to be particularly advantageous because the user can cut individual fibers or a large number of fibers in such a way that a desired shape of the application agent is created, which is particularly suitable for the substrate, for example. In all cases, the fibers are preferably designed in such a way that they contain the solid bodies contained in the liquid or do not filter out and retain active ingredients, but enable them to be transported to the surface to be wetted. Furthermore, it has been found to be advantageous to use fibers that are as smooth as possible in order to minimize the removal of material particles from the substrate, that is, chipping.

Alternativ hierzu kann sich jedoch auch der Einsatz eines Applikatorkopfes als sinnvoll erweisen, der ein poröses Material, insbesondere einen oder mehrere Schaumstoff-, Filz- oder Faserkörper als Applikationsmittel aufweist, die an dem Halteelement befestigt sind.As an alternative to this, however, the use of an applicator head that has a porous material, in particular one or more foam, felt or fiber bodies as application means, which are attached to the holding element, can also prove to be useful.

Ein weiterer Vorteil ist die die Gewährleistung der Auswechselbarkeit des Applikatorkopfes. Hierbei sind insbesondere Aufnahme und Halteelement derart gestaltet, dass eine Entfernung des Halteelementes möglich ist, um eine Auswechselbarkeit des Applikatorkopfes zu gewährleisten. So kommt bevorzugt eine wieder lösbare Verbindungstechnik für die oberhalb beschriebene Montagefunktion zum Einsatz, wobei die Trennung vorzugsweise durch den Anwender selbst ohne Zuhilfenahme eines Werkzeugs erfolgen kann und vorzugsweise ohne Zerstörung des Behälters oder Teile der Vorrichtung erfolgen kann. Insbesondere der Anwender kann somit gebrauchte Applikatorköpfe gegen unbenutzte austauschen. Auch ist die Ausrüstung einer universellen Basisvorrichtung mit einem Applikatorkopf auszurüsten, der mit einem für den jeweiligen Einsatzzweck passenden Applikationsmittel ausgestattet ist.Another advantage is that the applicator head can be exchanged. In particular, the receiving element and the holding element are designed in such a way that the holding element can be removed in order to ensure that the applicator head can be exchanged. For example, a releasable connection technology is preferably used for the assembly function described above, whereby the separation can preferably be carried out by the user himself without the aid of a tool and preferably without destroying the container or parts of the device. In particular, the user can thus exchange used applicator heads for unused ones. The equipment of a universal basic device must also be equipped with an applicator head which is equipped with an application medium suitable for the respective purpose.

Ein weiterer Vorteil ist der Einsatz eines Adapter, der an dem offenen Ende des Behälters angeordnet ist und die Aufnahme und die Zuführöffnung beinhaltet, wobei der Adapter eine Mittel zum Befördern der Flüssigkeit also eine Kommunikationsmöglichkeit zwischen einem Hohlraum des Behälters und der Zuführöffnung zur Zuführung von Flüssigkeit aus dem Behälter zu dem Applikationsmittel aufweist. Vorzugsweise besteht der Adapter aus einem Kunststoffmaterial. Besonders bevorzugt kommt ein thermoplastischer Kunststoff zum Einsatz. Hierbei eignet sich insbesondere Polyethylen. Denkbar ist hier die Fertigung des Adapters mittels eines Spritzgussverfahrens.Another advantage is the use of an adapter which is arranged at the open end of the container and contains the receptacle and the supply opening, the adapter having a means for conveying the liquid, i.e. a communication option between a cavity of the container and the supply opening for supplying liquid having from the container to the application agent. The adapter is preferably made of a plastic material. A thermoplastic material is particularly preferably used. Polyethylene is particularly suitable here. It is conceivable here to manufacture the adapter by means of an injection molding process.

Der Adapter ist als separates Bauteil gestaltet, der werkseitig oder vom Anwender auf dem Behälter montierbar ist. Hierfür kann der Adapter mit einem oder mehreren Montageabschnitten ausgestattet sein, um den Adapter mit einem Behälter zu verbinden. Vorzugsweise sind diese Montageabschnitte zumindest bereichsweise konisch gestaltet und werden zur Montage des Adapters an einem Behälter zumindest bereichsweise in eine Öffnung des Behälters eingeschoben. Der Adapter kann zudem Dichtmittel aufweisen, um eine dichte Verbindung mit dem Behälter zu gewährleisten. Mit einem solchen Adapter können beliebige Behälter mit einem oberhalb beschriebenen Applikatorkopf genutzt werden. Auch eine Nachrüstung von bereits vorhandenen Behältern ist somit möglich.The adapter is designed as a separate component that can be mounted on the container at the factory or by the user. For this purpose, the adapter can be equipped with one or more mounting sections in order to connect the adapter to a container. These assembly sections are preferably designed to be conical at least in some areas and are pushed into an opening of the container at least in some areas in order to mount the adapter on a container. The adapter can also have sealing means in order to ensure a tight connection with the container. With such an adapter, any container with an applicator head described above can be used. It is also possible to retrofit existing containers.

Ein weiterer Grundgedanke der vorliegenden Erfindung ist daher ein Adapter aufweisend einen Montageabschnitt zur Montage an einem Behälter sowie eine Aufnahme zur Montage eines Applikatorkopfes mit einem Applikationsmittel, wobei der Adapter eine Kommunikationsmöglichkeit zwischen dem Hohlraum des Behälters und der Zuführöffnung zur Zuführung von Flüssigkeit aus dem Behälter zu dem Applikationsmittel zur Bereitstellung einer oberhalb beschriebenen Vorrichtung.Another basic concept of the present invention is therefore an adapter having a mounting section for mounting on a container and a receptacle for mounting an applicator head with an application means, the adapter providing a means of communication between the cavity of the container and the feed opening for supplying liquid from the container the application means for providing a device described above.

Vorzugsweise weist der Adapter mehrere Montageabschnitte für unterschiedliche Behälter und insbesondere unterschiedliche Durchmesser der Öffnungen unterschiedlicher Behälter auf. Zudem kann vorgesehen werden den oder die Montageabschnitte mit Montagebereichen, wie beispielsweise Gewinden, Rastbereiche, konische Abschnitte oder dergleichen auszustatten.The adapter preferably has several assembly sections for different containers and in particular different diameters of the openings of different containers. In addition, provision can be made to equip the assembly section or sections with assembly areas, such as, for example, threads, latching areas, conical sections or the like.

In einer vorteilhaften Weiterbildung weist der Adapter an einer Seite einen vorzugsweise radial vorstehenden Hals auf, der wie oberhalb beschrieben gestaltet sein und oberhalb beschriebene Vorteile bringen kann. Erfindungsgemäß verjüngt sich der Hals dabei in Richtung distaler Seite. Insbesondere kann der Hals dabei konisch gestaltet sein. In einem bevorzugten Ausführungsbeispiel weist der Hals eine Länge im Bereich von 5mm bis 20mm auf. Bevorzugt ist ein im Wesentlichen runder Querschnitt im Bereich von 10mm bis 20mm. Besonders bevorzugt ist der Hals konisch gestaltet, wobei er an der proximalen Seite einen Durchmesser im Bereich von 15 mm bis 20mm aufweist und an seiner gegenüberliegenden distalen, freien Seite einen Durchmesser im Bereich von 10mm bis 15mm.In an advantageous development, the adapter has a preferably radially protruding neck on one side, which can be designed as described above and can bring advantages described above. According to the invention, the neck tapers in the direction of the distal side. In particular, the neck can be designed conically. In a preferred exemplary embodiment, the neck has a length in the range from 5 mm to 20 mm. An essentially round cross-section in the range from 10 mm to 20 mm is preferred. The neck is particularly preferably conical, with a diameter in the range from 15 mm to 20 mm on the proximal side and a diameter in the range from 10 mm to 15 mm on its opposite distal, free side.

In einer vorteilhaften Weiterbildung weist der Adapter einen vorstehender Kragen auf. Der Kragen kann dabei insbesondere als Montagehilfe beim Montieren des Adapters auf einem Behälter genutzt werden. Zudem kann der Kragen einen oberhalb beschriebenen Anschlagbereich aufweisen, um wie oberhalb beschrieben eine Führungsmöglichkeit der Vorrichtung zu gewährleisten. Bevorzugt kommt der Kragen in Verbindung mit oberhalb beschriebenem vorstehenden Hals zum Einsatz. Dabei hat sich als besonders vorteilhaft herausgestallt, wenn der Kragen zumindest bereichsweise, vorzugsweise jedoch allseitig im Bereich von 2mm bis 10mm über den Hals hinausragt.In an advantageous development, the adapter has a protruding collar. The collar can be used in particular as an assembly aid when assembling the adapter on a container. In addition, the collar can have a stop area described above in order to ensure that the device can be guided as described above. The collar is preferably used in conjunction with the protruding neck described above. It has turned out to be particularly advantageous if the collar protrudes beyond the neck at least in some areas, but preferably on all sides in the range of 2 mm to 10 mm.

Ein weiterer Grundgedanke ist die Bereitstellung einer Baugruppe bestehend aus einem Behälter, einem Adapter und einem Applikationskopf. Die oberhalb beschriebenen Gestaltungsvarianten und Vorteile sollen dabei die Offenbarung der einzelnen Bauelemente der Baugruppe insoweit ergänzen.Another basic idea is the provision of an assembly consisting of a container, an adapter and an application head. The design variants and advantages described above are intended to supplement the disclosure of the individual components of the assembly.

Die Erfindung wird im Folgenden beispielhaft mit Hilfe von Figuren beschrieben. Dabei zeigt

  • Figur 1 eine Seitenansicht auf eine erfindungsgemäße Vorrichtung,
  • Figur 2 eine perspektivische Ansicht eines Teiles der Vorrichtung aus Figur 1, nämlich eine Aufsatzeinheit,
  • Figur 3 eine perspektivisch Ansicht eines Applikatorkopfes der Vorrichtung aus Figur 1,
  • Figur 4 eine perspektivische Ansicht eines Adapters der Vorrichtung aus Figur 1,
  • Figur 5 eine geschnittene Seitenansicht des Adapters aus Figur 4,
  • Figur 6 eine teilgeschnittene Seitenansicht der Vorrichtung aus Figur 1,
  • Figur 7 eine Seitenansicht auf mit Figur 1 gezeigten Vorrichtungen während des Auftragens von Flüssigkeiten.
The invention is described below by way of example with the aid of figures. It shows
  • Figure 1 a side view of a device according to the invention,
  • Figure 2 a perspective view of part of the device Figure 1 , namely an attachment unit,
  • Figure 3 a perspective view of an applicator head of the device Figure 1 ,
  • Figure 4 a perspective view of an adapter of the device Figure 1 ,
  • Figure 5 a cut side view of the adapter Figure 4 ,
  • Figure 6 a partially sectioned side view of the device Figure 1 ,
  • Figure 7 a side view of with Figure 1 devices shown during the application of liquids.

Figur 1 zeigt eine Seitenansicht einer erfindungsgemäßen Vorrichtung 1, die als Applikator für eine Primerlösung im Kraftfahrzeughandwerk zum Einsatz kommt. Die Vorrichtung 1 beinhaltet dabei einen Behälter 10 aus einem Kunststoffmaterial, der die auszugebende Flüssigkeit enthält. Der Behälter 10 ist rotationssymmetrisch im eine Achse 4 gestaltet und weist an seiner Unterseite an einer proximalen Seite 3 einen runden Boden 12 auf, der als Standboden ausgeführt ist, um die Vorrichtung 1 abstellen zu können. In Richtung einer gegenüberliegenden distalen Seite 2 erstreckt sich eine Mantelfläche und mündet in einer Schulter 13, in der sich der Behälter 10 bis hin zu einem hohlzylindrischen, halsförmigen Fortsatz 14 konisch verjüngt. An dieser Oberseite ist der Behälter 10 offen gestaltet. Auf den Behälter 10 ist eine Aufsatzeinheit 5 bestehend aus einem Adapter 30 und einem Applikatorkopf 20 montiert. Figure 1 shows a side view of a device 1 according to the invention, which is used as an applicator for a primer solution in the motor vehicle trade. The device 1 includes a container 10 made of a plastic material which contains the liquid to be dispensed. The container 10 is designed to be rotationally symmetrical in one axis 4 and has on its underside on a proximal side 3 a round base 12 which is designed as a standing base in order to be able to put the device 1 down. A jacket surface extends in the direction of an opposite distal side 2 and opens into a shoulder 13, in which the container 10 tapers conically up to a hollow cylindrical, neck-shaped extension 14. At this top, the container 10 is designed to be open. An attachment unit 5 consisting of an adapter 30 and an applicator head 20 is mounted on the container 10.

Die Außenkontur des Adapters 30 ist rotationssymmetrisch um die Achse 4 gestaltet. Der Adapter weist einen sich in Richtung Fortsatz 14 verjüngenden und konisch gestalteten ersten Montageabschnitt 34 auf und ist mit einem verdeckten zweiten konischen und sich ebenfalls verjüngendem Montageabschnitt in eine Öffnung des Fortsatzes 14 eingeschoben. Besagter eingeschobener Montageabschnitt dient hier zum Abdichten, zum Ausgleichen von Toleranzen in der Öffnung und ist selbsthemmend. Durch die Gestaltung des zweiten Montageabschnittes wird mit der Innenwand des Fortsatzes 14 ein Presssitz bereitgestellt, so dass eine sichere Verbindung zwischen Adapter 30 und Behälter 10 ermöglicht werden kann. Alternativ ist hier auch die Bereitstellung einer Verbindung zwischen beiden genannten Bauteilen mittels eines Gewindes, mittels Schnappverbindungselementen oder ähnlicher dem Fachmann bekannter Verbindungsmöglichkeiten denkbar. In Richtung distaler Seite 2 schließt sich an den ersten Montageabschnitt 34 ein radial vorstehender Kragen 32 an, der an seiner Oberseite einen in Richtung distaler Seite 2 weisenden, flächigen Anschlagbereich 33 aufweist. Der Kragen 32 dient einerseits der einfachen Montage des Adapters 30 auf dem Behälter 10, in dem einem Anwender eine Angriffsmöglichkeit bereitgestellt werden kann, um Kraft auf den Adapter 30 beim Einschieben und/oder Eindrehen des Adapters 30 in die Öffnung des Behälters 10 auszuüben. Andererseits kann der Kragen 32 insbesondere über seinen Anschlagbereich 33 als Führungshilfe bei dem Auftragen der Flüssigkeit genutzt werden. Der Anschlagbereich 33 endet an einem kegelstumpfförmigen Hals 31, dessen gedachte Grundfläche in der Ebene des Anschlagsbereichs 33 liegt. Der Hals 31 ist rotationssymmetrisch um die Achse 4 gestaltet und verjüngt sich in distale Seite 2 bis hin zu einer gedachten Deckfläche, die die distale Oberseite des Adapters 30 darstellt. Hier ist der Applikatorkopf 20 vorgesehen, der als Applikationsmittel eine Vielzahl von Wollfasern 21 aufweist, die kugelförmig angeordnet oder gestaltet sind, wobei der Mittelpunkt der Kugel auf der Achse 4 liegt. Die Länge der Wollfasern 21 ist dabei derart gewählt, dass die Wollfasern 21 einerseits den vorstehenden Hals 31 an der distalen Seite 2 allseitig überragen, andererseits jedoch der Kragen 32 wiederum die Wollfaser 21 seitlich überragt, also hinsichtlich des Applikatorkopfes 20 einen seitlichen Überstand aufweist.The outer contour of the adapter 30 is designed to be rotationally symmetrical about the axis 4. The adapter has a first assembly section 34, which tapers in the direction of the extension 14 and is conically shaped, and is pushed into an opening of the extension 14 with a covered, second, conical and likewise tapered assembly section. Said inserted assembly section is used here for sealing, for compensating tolerances in the opening and is self-locking. The design of the second assembly section provides a press fit with the inner wall of the extension 14, so that a secure connection between the adapter 30 and the container 10 can be made possible. Alternatively, it is also conceivable here to provide a connection between the two named components by means of a thread, by means of snap connection elements or similar connection options known to those skilled in the art. In the direction of the distal side 2, a radially protruding collar adjoins the first assembly section 34 32, which has a flat stop area 33 pointing in the direction of the distal side 2 on its upper side. The collar 32 serves, on the one hand, for the simple assembly of the adapter 30 on the container 10, in which a user can be provided with a possibility of attack in order to exert force on the adapter 30 when the adapter 30 is inserted and / or screwed into the opening of the container 10. On the other hand, the collar 32 can be used, in particular via its stop region 33, as a guide when applying the liquid. The stop area 33 ends at a frustoconical neck 31, the imaginary base area of which lies in the plane of the stop area 33. The neck 31 is designed to be rotationally symmetrical about the axis 4 and tapers in the distal side 2 up to an imaginary top surface which represents the distal upper side of the adapter 30. The applicator head 20 is provided here, which has a large number of wool fibers 21 as application means, which are arranged or configured in a spherical manner, the center of the sphere being on the axis 4. The length of the wool fibers 21 is chosen such that the wool fibers 21 on the one hand protrude beyond the protruding neck 31 on the distal side 2, but on the other hand the collar 32 in turn protrudes laterally over the wool fiber 21, i.e. has a lateral overhang with respect to the applicator head 20.

Figur 1 zeigt somit eine Vorrichtung 1, bei der es sich um eine Baugruppe bestehend aus einem Behälter 10, einem Adapter 30 und einem Applikatorkopf 20 handelt. Natürlich kann der Adapter 30 auch als Teil des Behälters 10 ausgebildet sein und beispielsweise an selbigen angeformt sein. Figure 1 thus shows a device 1, which is an assembly consisting of a container 10, an adapter 30 and an applicator head 20. Of course, the adapter 30 can also be designed as part of the container 10 and, for example, be molded onto the same.

Figur 2 zeigt eine perspektivische Ansicht eines Teiles der Vorrichtung 1 aus Figur 1, nämlich den Adapter 30 und den Applikatorkopf 20, also eine Aufsatzeinheit 5. Die Aufsatzeinheit 5 kann wie oberhalb beschrieben mit einem Behälter 10 zum Auftragen einer Flüssigkeit auf ein Substrat verbunden werden. Hierzu sind der erste Montageabschnitt 34 und der zweite Montageabschnitt 35 zu sehen, die sich in ihren Durchmessern unterscheiden, um eine Montagemöglichkeit für unterschiedliche Behälterformen und/oder Größen zu ermöglichen. Figure 2 FIG. 4 shows a perspective view of part of the device 1 from FIG Figure 1 , namely the adapter 30 and the applicator head 20, that is to say an attachment unit 5. The attachment unit 5 can, as described above, be connected to a container 10 for applying a liquid to a substrate. For this purpose, the first assembly section 34 and the second assembly section 35 can be seen, which differ in their diameters in order to enable an assembly option for different container shapes and / or sizes.

Ferner ist der Kragen 32 rund gestaltet, wobei der Radius derart gewählt und auf den Hals 31 abgestimmt ist, dass sich Kragen 32 allseitig vorzugsweise im Bereich von 2mm bis 10mm von der Außenwand des Halses 31 an dessen Grundfläche radial nach außen erstreckt. Im gezeigten Ausführungsbeispiel steht der Kragen 32 allseitig ungefähr 6mm vor. Der Hals 31 ist wie beschrieben als Kegelstumpf ausgebildet, wobei der Außendurchmesser des Halses 31 an seiner gedachten Grundfläche ungefähr 18mm, an seiner gedachten Deckfläche ungefähr 12mm beträgt. Die Länge des Halses 31 ist dabei derart gewählt, dass sich der Hals 31 in einem Winkel im Bereich von 5° - 45° in Richtung distale Seite 2 verjüngt. Der Winkel ist dabei zwischen der Mantellinie und der Kegelachse, also der Achse 4 vorgesehen. Im vorliegenden Ausführungsbeispiel hat sich ein Winkel von ungefähr 12° als praktikabel herausgestellt. Zur Herstellung des Applikatorkopfes 20 mit seinem kugelförmigen Applikationsmittel ist ein Bündel an Wollfasern 21 im Mittelpunkt der abgebildeten Kugel fixiert worden, wobei die Wollfasern anschließend in Kugelform gebracht worden sind. Der Anwender kann die Wollfasern 21 auch weiter beschneiden um eine gewünschte Form zu erhalten.Furthermore, the collar 32 is round, the radius being selected and coordinated with the neck 31 such that the collar 32 extends radially outward on all sides, preferably in the range of 2 mm to 10 mm from the outer wall of the neck 31 at its base. In the exemplary embodiment shown, the collar 32 projects approximately 6 mm on all sides. The neck 31 is designed as a truncated cone, as described, the outer diameter of the neck 31 being approximately 18 mm on its imaginary base area and approximately 12 mm on its imaginary top surface. The length of the neck 31 is selected such that the neck 31 tapers at an angle in the range of 5 ° -45 ° in the direction of the distal side 2. The angle is provided between the surface line and the cone axis, ie the axis 4. In the present exemplary embodiment, an angle of approximately 12 ° has proven to be practicable. To produce the applicator head 20 with its spherical application means, a bundle of wool fibers 21 has been fixed in the center of the sphere shown, the wool fibers then being brought into spherical shape. The user can also trim the wool fibers 21 further in order to obtain a desired shape.

Figur 3 zeigt eine perspektivisch Ansicht eines Applikatorkopfes 20 der Vorrichtung 1 aus Figur 1. Zu erkennen ist hier das Halteelement in Form eines Stils 22 mit kreisförmigem Querschnitt. Alternativ kann das Halteelement auch wie oberhalb beschrieben insbesondere in Form eines Zapfens oder eines Dornes gestaltet sein. Der Stil 22 ist aus Edelstahldraht hergestellt und weist ein Stilende 23 an der Unterseite des Applikatorkopfes 20 auf. Der Stil 22 ist zudem aus Vollmaterial hergestellt, also nicht hohl. An der gegenüberliegenden Seite ist das andere Ende des Stils 22, welches durch die Wollfasern 21 verdeckt wird, als Öse gebogen, welche die Wollfasern 21 fixiert. Figure 3 FIG. 8 shows a perspective view of an applicator head 20 of the device 1 from FIG Figure 1 . The retaining element can be seen here in the form of a style 22 with a circular cross section. Alternatively, the holding element can also be designed as described above, in particular in the form of a pin or a mandrel. The style 22 is made from stainless steel wire and has a style end 23 on the underside of the applicator head 20. The style 22 is also made of solid material, so not hollow. On the opposite side, the other end of the style 22, which is covered by the wool fibers 21, is bent as an eyelet which fixes the wool fibers 21.

Figur 4 zeigt eine perspektivische Ansicht eines Adapters 30 der Vorrichtung 1 aus Figur 1. Der Adapter 30 besteht aus Polyethylen und ist mittels eines Spritzgussverfahrens hergestellt worden. Der Adapter 30 ist wie oberhalb beschrieben gestaltet, jedoch sind hier weitere Merkmale zu erkennen, da der Applikatorkopf 20 aus Figur 3 noch nicht montiert worden ist. An der Oberseite mündet der Hals 31 des Adapters 30 in der Deckfläche, in der ein sich innerhalb des Adapters 31 befindlichen und teilweise hohlzylindrisch gestalteten Einsatz 47 zu erkennen ist, der eine zentrische Öffnung 36 vorgesehen ist, die einen Zugang in einen Aufnahmeraum 37 ermöglicht. Die Öffnung 36 wird dabei über eine Wandung 48 des Einsatzes 47 gebildet. Der Aufnahmeraum 37 ist zum Einbringen des oberhalb beschriebenen Stiles 22 des Applikatorkopfes 20 vorgesehen, um eine Befestigung des Applikatorkopfes 20 zu ermöglichen. Konzentrisch um die Öffnung 36 sind vier kreisringsegmentartige Zuführöffnungen 44 angeordnet. Die volle Kreisringfläche ist dabei lediglich durch vier Stege 45 unterbrochen, durch die der Einsatz 47 und dabei insbesondere die die Öffnung 36 definierende Wandung 48 mit dem Hals 31 verbunden ist. Die Zuführöffnungen 44 dienen der Zuführung von abzugebender Flüssigkeit an einen hier nicht dargestellten Applikatorkopf 20. Die summierte Öffnungsfläche aller Zuführöffnungen 44 liegt vorzugsweise im Bereich von 4mm2 bis 20mm2, besonders bevorzugt im Bereich von 5mm2 bis 16mm2 liegt, im gezeigten Ausführungsbeispiel bei etwa 10mm2. Figure 4 FIG. 3 shows a perspective view of an adapter 30 of the device 1 from FIG Figure 1 . The adapter 30 consists of polyethylene and has been manufactured by means of an injection molding process. The adapter 30 is designed as described above, but further features can be seen here, since the applicator head 20 is made of Figure 3 has not yet been installed. On the upper side, the neck 31 of the adapter 30 opens into the top surface, in which an insert 47 located inside the adapter 31 and partially shaped as a hollow cylinder can be seen, which has a central opening 36 which enables access to a receiving space 37. The opening 36 is formed via a wall 48 of the insert 47. The receiving space 37 is provided for introducing the above-described style 22 of the applicator head 20 in order to enable the applicator head 20 to be fastened. Four circular ring segment-like feed openings 44 are arranged concentrically around the opening 36. The full circular area is only interrupted by four webs 45, by means of which the insert 47, and in particular the wall 48 defining the opening 36, is connected to the neck 31. The feed openings 44 are used to feed liquid to be dispensed to an applicator head 20, not shown here. The total opening area of all feed openings 44 is preferably in the range from 4mm 2 to 20mm 2 , particularly preferably in the range from 5mm 2 to 16mm 2 , in the embodiment shown about 10mm 2 .

Figur 5 zeigt eine geschnittene Seitenansicht des Adapters 30 aus Figur 4. An der Unterseite weist der Adapter 30 einen Vorraum 41 auf, der über eine Einfüllöffnung 50 zugänglich ist. Der Vorraum 41 wird durch den ersten Montageabschnitt 34 und den zweiten Montageabschnitt 35 begrenzt. Der Durchmesser des Vorraums 41 und der Einfüllöffnung 50 liegt vorzugsweise im Bereich von 10mm bis 20mm. In Richtung Vorraum 41 ragt von der distalen Seite der Einsatz 47 in Richtung Vorraum 41, wobei der Einsatz 47 an der distalen Seite über besagte sich über die Zuführöffnungen 44 erstreckenden Stege 45 mit dem Hals 31 verbunden ist. Figure 5 FIG. 11 shows a sectional side view of the adapter 30 from FIG Figure 4 . On the underside, the adapter 30 has an antechamber 41 which is accessible via a filling opening 50. The vestibule 41 is delimited by the first assembly section 34 and the second assembly section 35. The diameter of the antechamber 41 and the filling opening 50 is preferably in the range from 10 mm to 20 mm. In the direction of the vestibule 41, the insert 47 protrudes from the distal side in the direction of the vestibule 41, the insert 47 being connected to the neck 31 on the distal side via said webs 45 extending over the feed openings 44.

Der Einsatz 47 umschließt den Aufnahmeraum 37, in dem sich eine hülsenförmige Aufnahme 38 für einen nicht abgebildeten Applikatorkopf 20 aus Figur 3 befindet. Die Aufnahme 38 weist eine konzentrisch zur Öffnung 36 verlaufende und über eine Aufnahmeöffnung 46 in Richtung distale Seite offene Aufnahmebohrung 39 auf. Zur Montage des Applikatorkopfes aus Figur 3 wird dessen Stil 22 von distaler Seite durch die Öffnung 36 über den Aufnahmeraum 37 und schließlich durch die Aufnahmeöffnung 46 in die Aufnahmebohrung 39 eingeschoben. Die Aufnahme 38 ist dabei in Richtung Vorraum 41 über einen Durchgang 40 offen gestaltet, so dass eine Kommunikation von Vorraum 41 zur Aufnahmebohrung 39 möglich ist. Die Außenwand der hülsenförmige Aufnahme 38 ist dabei beabstandet von der Innenseite der Wandung 48 des Einsatzes 47, so dass hier ein umläufiger Spalt 51 gebildet wird. Der Einsatz 47 weist an seiner proximalen Seite einen Boden auf, der durch einen sich von der Wandung 27 in Richtung Achse verlaufende Schräge 49 gebildet wird, welche schließlich in dem Durchgang 40 mündet.The insert 47 encloses the receiving space 37 in which a sleeve-shaped receptacle 38 for an applicator head 20 (not shown) is located Figure 3 is located. The receptacle 38 has a Receiving bore 39 running concentrically to opening 36 and open via a receiving opening 46 in the direction of the distal side. For mounting the applicator head from Figure 3 its style 22 is inserted from the distal side through the opening 36 via the receiving space 37 and finally through the receiving opening 46 into the receiving bore 39. The receptacle 38 is designed to be open in the direction of the anteroom 41 via a passage 40, so that communication from the anteroom 41 to the receiving bore 39 is possible. The outer wall of the sleeve-shaped receptacle 38 is spaced from the inside of the wall 48 of the insert 47, so that a circumferential gap 51 is formed here. On its proximal side, the insert 47 has a base which is formed by a bevel 49 which extends from the wall 27 in the direction of the axis and which finally opens into the passage 40.

Besagte Mittel zum Befördern der Flüssigkeit 18 werden im Folgenden beschrieben: Die Flüssigkeit erreicht besagten Adapter 30 über besagte Einfüllöffnung 50. Und gelangt von dort in den Vorraum 41. Der weitere Weg führt die Flüssigkeit für einen Auftrag auf ein Substrat in einen Zwischenraum 42, der zwischen der Innenwand des Vorraums 41 und der Wandung 27 des in den Vorraum 41 ragenden Einsatzes 47 gebildet wird und weiter in eine Zuführung 43. Die Zuführung 43 ist dabei der sich verjüngende Bereich zwischen der sich winklig zur Achse 4 erstreckenden Innenwand des Halses 31 und der sich parallel zur Achse 4 erstreckenden Wandung 27. Die Zuführung 43 mündet schließlich an der distalen Seite in den Zuführöffnungen 44.Said means for conveying the liquid 18 are described below: The liquid reaches said adapter 30 via said filling opening 50. And from there it reaches the anteroom 41. The further path leads the liquid for application onto a substrate into an intermediate space 42, the is formed between the inner wall of the vestibule 41 and the wall 27 of the insert 47 protruding into the vestibule 41 and further into a feed 43. The feed 43 is the tapering area between the inner wall of the neck 31, which extends at an angle to the axis 4, and the Wall 27 extending parallel to axis 4. Feed 43 finally opens into feed openings 44 on the distal side.

Der Durchmesser der Einfüllöffnung 50 des Vorraums 41 liegt vorzugsweise im Bereich von 10mm bis 20mm. Vorzugsweise ist der Durchmesser der Öffnung derart gewählt und die Zuführöffnungen 44 sind derart gestaltet, dass das Verhältnis von Fläche der Einfüllöffnung 50 und der summierten Öffnungsfläche aller Zuführöffnungen 44 im Bereich von 4 - 80 liegt. Im gezeigten Ausführungsbeispiel liegt das Verhältnis bei ungefähr 20.The diameter of the filling opening 50 of the antechamber 41 is preferably in the range from 10 mm to 20 mm. The diameter of the opening is preferably selected and the feed openings 44 are designed such that the ratio of the area of the filling opening 50 and the total opening area of all the feed openings 44 is in the range of 4-80. In the exemplary embodiment shown, the ratio is approximately 20.

Figur 6 zeigt eine teilgeschnittene Seitenansicht der Vorrichtung 1 aus Figur 1. Hier ist die Aufsatzeinheit, bestehend aus Adapter 30 und Applikatorkopf 20 aus Figur 2 bereits auf dem Behälter 10 montiert. Hierfür wurde der Behälter 10 geöffnet, so dass eine Öffnung 16 frei ist und der Adapter 30 wurde mit seiner Unterseite voran in die Öffnung 16 eingebracht. Dabei sind Adapter 30 und Behälter 10 derart aufeinander abgestimmt, dass zwischen der Außenfläche des ersten Montageabschnittes 34 und der Innenseite des halsförmigen Fortsatzes 14 und insbesondere mit einem die Öffnung 16 begrenzenden Öffnungsrand 17 einerseits eine reibschlüssige Verbindung, andererseits auch eine Abdichtung erfolgt. Dabei liegt der Kragen 32 mit seiner Unterseite auf der Stirnfläche des halsförmigen Fortsatzes 14 auf. Aufgrund der teilgeschnittenen Darstellung ist ferner auch ein Hohlraum 11 des Behälters 10 zu erkennen, in dem sich eine Flüssigkeit 18 befindet. Zur Durchmischung der Bestandteile der Flüssigkeit 18 ist zudem eine Schüttelkugel 19 vorgesehen. Um ein unbeabsichtigtes Verklemmen der Schüttelkugel 19 zu vermeiden, sind sowohl der Zwischenraum 42, als auch die Zuführung 43 kleiner gestaltet, als der Durchmesser der Schüttelkugel 19. Einerseits ist die Montage eines Aufsatzes 30 mit bereits befestigtem Applikatorkopf 20 möglich. Andererseits ist aber auch die nachträgliche Ausrüstung des Adapters 30 mit einem Applikatorkopf 20 denkbar. Im gezeigten Ausführungsbeispiel ist der Applikatorkopf 20 zudem wechselbar, so dass nach einem erfolgten Auftrag der Flüssigkeit 18 auf ein Substrat der Applikatorkopf 20 ausgetauscht werden kann. Zu Montage wird der Stil 22 des Applikatorkopfes 20 in die Aufnahmebohrung 38 eingeführt, bis das Stilende 23 das Ende der Aufnahmebohrung 39 erreicht. Dabei sind Stil 22 und Aufnahmebohrung 39 derart gestaltet und aufeinander abgestimmt, das eine kraftschlüssige Verbindung bereitstellbar ist, die einerseits eine Fixierung des Applikatorkopfes 20 an dem Adapter 30 insbesondere während des Auftrags der Flüssigkeit 18 ermöglicht, andererseits jedoch eine Entfernung des Applikatorkopfes 20 durch den Anwender ohne Zuhilfenahme von Werkzeug und ohne Zerstörung insbesondere des Adapters 30 ermöglicht. Figure 6 FIG. 11 shows a partially sectioned side view of the device 1 from FIG Figure 1 . Here is the attachment unit, consisting of adapter 30 and applicator head 20 Figure 2 already mounted on the container 10. For this purpose, the container 10 was opened so that an opening 16 is free and the adapter 30 was introduced into the opening 16 with its underside first. The adapter 30 and the container 10 are matched to one another in such a way that a frictional connection on the one hand and a seal on the other hand takes place between the outer surface of the first assembly section 34 and the inside of the neck-shaped extension 14 and in particular with an opening edge 17 delimiting the opening 16. The underside of the collar 32 rests on the end face of the neck-shaped extension 14. Due to the partially sectioned illustration, a cavity 11 of the container 10 can also be seen, in which a liquid 18 is located. A shaking ball 19 is also provided for mixing the constituents of the liquid 18. In order to avoid unintentional jamming of the shaking ball 19, both the space 42 and the feed 43 are designed to be smaller than the diameter of the shaking ball 19. On the one hand, it is possible to mount an attachment 30 with an applicator head 20 already attached. On the other hand, retrofitting the adapter 30 with an applicator head 20 is also conceivable. In the exemplary embodiment shown, the applicator head 20 can also be exchanged, so that the applicator head 20 can be exchanged after the liquid 18 has been applied to a substrate. For assembly, the style 22 of the applicator head 20 is inserted into the receiving bore 38 until the style end 23 reaches the end of the receiving bore 39. Style 22 and receiving bore 39 are designed and matched to one another in such a way that a non-positive connection can be provided which, on the one hand, enables the applicator head 20 to be fixed to the adapter 30, in particular while the liquid 18 is being applied, and, on the other hand, allows the applicator head 20 to be removed by the user without the aid of tools and without destroying the adapter 30 in particular.

Darüber hinaus zeigt Figur 6 die Einfüllöffnung 50, über die eine Kommunikation zwischen Adapter 30 und Behälter 10 möglich ist, so dass die Flüssigkeit 18 bei der Applikation aus dem Hohlraum 11 durch die Einfüllöffnung 50, in den Vorraum 41, weiter durch den Zwischenraum 42 und die Zuführung 43 und schließlich bis zu den Wollfasern 21 des Applikatorkopfes 20 gelangen kann. Über die Wollfasern 21 wird die Flüssigkeit 18 direkt aus dem Behälter 10 appliziert. Nach erfolgter Applikation kann der Applikatorkopf 20 mit seinen Wollfasern 21 in Kugelform als Behälterverschluss genutzt werden, beispielsweise um ein Ausdampfen von flüchtigen Bestandteilen der Flüssigkeit 18 zu vermeiden.It also shows Figure 6 the filling opening 50, via which communication between the adapter 30 and the container 10 is possible, so that the liquid 18 upon application from the cavity 11 through the filling opening 50, into the antechamber 41, further through the intermediate space 42 and the feed 43 and finally can reach the wool fibers 21 of the applicator head 20. The liquid 18 is applied directly from the container 10 via the wool fibers 21. After application has taken place, the applicator head 20 with its wool fibers 21 in spherical shape can be used as a container closure, for example to prevent volatile components of the liquid 18 from evaporating.

Figur 7 zeigt eine Seitenansicht von zwei erfindungsgemäßen Vorrichtungen 1 während des Auftragens von Flüssigkeiten auf eine ebene Oberfläche 7 eines Substrates 6. Die linke Vorrichtung 1 liegt dabei mit der Außenseite des Halses 31 auf der Oberfläche 7 auf und wird auf diese Weise über die Oberfläche 7 geführt. Der Winkel zwischen der Achse 4 der linken Vorrichtung 1 und der Oberfläche 7 entspricht dabei im Wesentlichen dem Winkel, mit dem sich der Hals 31 wie oberhalb beschrieben verjüngt und liegt somit im gezeigten Ausführungsbeispiel bei etwa 12°. Die Kugelform der Wollfasern 21 des Applikatorkopfes 20 wird dabei bereichsweise zusammengedrückt. Die flexiblen Wollfasern 21 können sich zudem dem Untergrund anpassen, so dass auch unebene und/oder raue Oberflächen vollständig benetzt werden können. Figure 7 shows a side view of two inventive devices 1 while liquids are being applied to a flat surface 7 of a substrate 6. The left device 1 lies with the outside of the neck 31 on the surface 7 and is guided over the surface 7 in this way. The angle between the axis 4 of the left device 1 and the surface 7 essentially corresponds to the angle at which the neck 31 tapers as described above and is thus approximately 12 ° in the exemplary embodiment shown. The spherical shape of the wool fibers 21 of the applicator head 20 is compressed in some areas. The flexible wool fibers 21 can also adapt to the substrate, so that even uneven and / or rough surfaces can be completely wetted.

Die rechte Vorrichtung 1 wird derart bewegt, dass die Achse 4 parallel zur Oberfläche 7 angeordnet ist. Der Anwender nutzt hierzu den Anschlagbereich 33 des Kragens 32, den er an einer Kante des Substrates 6 entlang führt. Zudem wird die Vorrichtung 1 dabei mit der Außenseite des Halses 31 im Übergangsbereich zum Kragen 32 über die Oberfläche geführt. Um ein Entlanggleiten an der Kante zu vereinfachen, ist die äußere Kante des Kragens 32 mit einem Radius von 0,75 mm abgerundet. Auch hier wird Kugelform der Wollfasern 21 bereichsweise zusammengedrückt. Bezugszeichenliste: 1 Ausgabevorrichtung 30 Adapter 2 Distale Seite 31 Hals 3 Proximale Seite 32 Kragen 4 Achse 33 Anschlag bereich 5 Aufsatzeinheit 34 Erster Montageabschnitt 6 Substrat 35 Zweiter Montageabschnitt 7 Oberfläche 36 Öffnung 10 Behälter 37 Aufnahmeraum 11 Hohlraum 38 Aufnahme 12 Boden 39 Aufnahmebohrung 13 Schulter 40 Durchgang 14 Halsförmiger Fortsatz 41 Vorraum 15 Wand 42 Zwischenraum 16 Öffnung 43 Zuführung 17 Öffnungsrand 44 Zuführöffnung 18 Flüssigkeit 45 Steg 19 Schüttelkugel 46 Aufnahmeöffnung 20 Applikatorkopf 47 Einsatz 21 Wollfasern 48 Wandung 22 Stil 49 Schräge 23 Stilende 50 Einfüllöffnung 51 Spalt The right device 1 is moved in such a way that the axis 4 is arranged parallel to the surface 7. For this purpose, the user uses the stop area 33 of the collar 32, which he guides along an edge of the substrate 6. In addition, the device 1 is guided over the surface with the outside of the neck 31 in the transition area to the collar 32. In order to facilitate sliding along the edge, the outer edge of the collar 32 is rounded with a radius of 0.75 mm. Here, too, the spherical shape of the wool fibers 21 is compressed in some areas. List of reference symbols: 1 Dispenser 30th adapter 2 Distal side 31 neck 3 Proximal side 32 collar 4th axis 33 Stop area 5 Add-on unit 34 First assembly section 6th Substrate 35 Second assembly section 7th surface 36 opening 10 container 37 Recording room 11 cavity 38 admission 12 ground 39 Mounting hole 13th shoulder 40 Passage 14th Neck-shaped process 41 Vestibule 15th wall 42 Space 16 opening 43 Feed 17th Opening edge 44 Feed opening 18th liquid 45 web 19th Shaking ball 46 Receiving opening 20th Applicator head 47 commitment 21st Wool fibers 48 Wall 22nd style 49 Slant 23 End of style 50 Filling opening 51 gap

Claims (12)

  1. A device (1) for dispensing a liquid (18) onto a substrate, comprising a container (10) for the liquid (18) that has an open end on a distal side (2) and a closed end on a proximal side (3), and an applicator head (20) which is arranged at the open end and comprises an application means which is fastened to a protruding holding element (22), a receiving portion (38) for the holding element (22) being provided so as to make it possible to fasten the applicator head (20) in place, a feed opening (44) being provided for feeding liquid (18) from the container to the application means, characterized in that a protruding neck (31) is provided on the distal side (2), the applicator head (20) being arranged such that the application means protrudes from the protruding neck (31) toward the distal side (2), and in that the neck (31) is designed such that it tapers toward the distal side (2).
  2. The device according to claim 1, characterized in that the receiving portion (38) comprises a receiving opening (46) for receiving the holding element (22), the receiving opening (46) being separate from the feed opening (44).
  3. The device (1) according to either of the preceding claims, characterized in that the shape of the application means is selected such that said means projects beyond all sides of the protruding neck (31) on the distal side (2).
  4. The device (1) according to claim 3, characterized in that the neck (31) tapers toward the distal side (2) at an angle in the range of 5°-45°.
  5. The device (1) according to one of the preceding claims, characterized in that the neck (31) has a length in the range of from 5 mm to 20 mm.
  6. The device (1) according to one of the preceding claims, characterized in that the total opening area of the feed opening (44) is in the range of from 4 mm2 to 20 mm2.
  7. The device (1) according to one of the preceding claims, characterized in that a protruding collar (32) is provided on the distal side (2), which collar comprises a stop region (33) in order to provide guidance when the liquid (18) is being dispensed.
  8. The device (1) according to one of the preceding claims, characterized in that the applicator head (20) comprises, as the application means, a plurality of fibers (21), preferably wool fibers, which are secured by the holding element (22).
  9. The device (1) according to one of claims 1 to 7, characterized in that the applicator head (20) comprises, as the application means, a porous material, in particular one or more foam, felt or fiber bodies which are fastened to the holding element (22).
  10. The device (1) according to one of the preceding claims, characterized in that the applicator head (20) is exchangeable.
  11. The device (1) according to one of the preceding claims, characterized in that an adapter (30) is provided which is arranged at the open end of the container (10) and contains the receiving portion (38) and the feed opening (44), the adapter (30) comprising, on its distal side (2), the protruding neck (31) which is designed such that it tapers toward the distal side (2), and the adapter comprising means for conveying the liquid (18) between a cavity (11) in the container (10) that comprises the liquid (18) and the feed opening (44) for feeding the liquid (18) from the container (10) to the application means.
  12. An adapter (30), comprising a mounting portion (35) for mounting to a container (10) and a receiving portion (38) for mounting an applicator head (20) comprising an application means, for providing a device (1) according to one of the preceding claims, wherein the adapter (30) comprises a feed opening (44) for feeding liquid (18) from the container (10) to the application means, and wherein a protruding neck (31) is provided on a distal side (2) of the adapter (30), which neck is designed such that it tapers toward the distal side (2).
EP15762574.0A 2014-09-16 2015-09-09 Device for applying a liquid Active EP3193664B1 (en)

Applications Claiming Priority (2)

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DE102014218574.2A DE102014218574A1 (en) 2014-09-16 2014-09-16 Device for applying a liquid
PCT/EP2015/070596 WO2016041829A1 (en) 2014-09-16 2015-09-09 Device for applying a liquid

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EP3193664A1 EP3193664A1 (en) 2017-07-26
EP3193664B1 true EP3193664B1 (en) 2020-12-16

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CN109174547B (en) * 2018-10-29 2020-04-21 合肥康尔信电力系统有限公司 Be used for diesel generator rust-resistant processing apparatus

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US5934296A (en) * 1997-06-27 1999-08-10 Clay; Julie E. Liquid applicator
EP1152683A4 (en) 1998-12-23 2002-04-03 Thomas G Frazier Liquid applicator with slide ring activator tool
DE102008027844A1 (en) 2008-06-11 2010-05-06 Marion Barth Applicator bottle for application of anti-transpirants and anti-perspirants on human skin, has bottle body enclosed with sieve-like application surface, which stays in contact with porous liquid storage i.e. sponge
DE102011009495B4 (en) * 2011-01-27 2014-02-20 Ratioplast Gmbh Applicator for a liquid
DE102011109132B4 (en) * 2011-08-01 2014-09-25 Markus Kress Dispensing device and Ausbringsystem
EP2564940A1 (en) 2011-08-31 2013-03-06 Sika Technology AG Applicator stick
EP2572800A1 (en) 2011-09-23 2013-03-27 Sika Technology AG Applicator and method for its production
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WO2014004521A1 (en) * 2012-06-27 2014-01-03 Frazier Thomas G Single and multiple use applicator
US20140133895A1 (en) * 2012-11-12 2014-05-15 Netrisa Takesha P. Dockery Nail polish removal device
DE202013000328U1 (en) * 2013-01-14 2013-01-23 Jürgen Schmidt Discharge device for flowable media

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EP3193664A1 (en) 2017-07-26
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