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EP0829211B1 - Vorrichtung zum Aufbewahren und Auftragen von flüssigen oder halbflüssigen Produkten - Google Patents

Vorrichtung zum Aufbewahren und Auftragen von flüssigen oder halbflüssigen Produkten Download PDF

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Publication number
EP0829211B1
EP0829211B1 EP97401883A EP97401883A EP0829211B1 EP 0829211 B1 EP0829211 B1 EP 0829211B1 EP 97401883 A EP97401883 A EP 97401883A EP 97401883 A EP97401883 A EP 97401883A EP 0829211 B1 EP0829211 B1 EP 0829211B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
applicator
storage
application device
product
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.)
Expired - Lifetime
Application number
EP97401883A
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English (en)
French (fr)
Other versions
EP0829211A1 (de
Inventor
Jean-Louis Gueret
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.)
LOreal SA
Original Assignee
LOreal SA
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
Priority claimed from FR9611032A external-priority patent/FR2753057B1/fr
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0829211A1 publication Critical patent/EP0829211A1/de
Application granted granted Critical
Publication of EP0829211B1 publication Critical patent/EP0829211B1/de
Anticipated expiration legal-status Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
    • A45D34/046—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container comprising a wiper
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like
    • A45D40/265—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container
    • A45D40/267—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like connected to the cap of the container comprising a wiper

Definitions

  • the present invention relates to an assembly for applying a liquid product or semi liquid, such as a cosmetic product.
  • the invention relates more particularly, but not exclusively, an applicator assembly of the type ⁇ eyeliner >>.
  • Other applications in the cosmetic field can be considered, such as in particular the applications of hair products, liquid serum, nail polish, eyeshadow, liquid lipstick or semi liquid, mascara, etc.
  • the invention also applies to fields other than cosmetics. By way of example, mention may be made of glues.
  • An applicator assembly of the above kind traditionally includes a bottle fitted with a threaded neck and intended to contain a liquid or semi product liquid, a cap closing this bottle by screwing on the neck and an applicator disposed at the end of a rod secured to the cap.
  • This applicator includes generally also means for wringing the applicator and for wiping the rod.
  • the document FR-A-2 470 066 relates to an apparatus of the above type in the neck from which is placed a molded part having lips forming doctor blades, arranged one above the other, with a triangular cross section.
  • a such a doctor blade not only wipes the rod, but also wrings the applicator, which in this case is a brush.
  • a device of the same type is described in US-A-5,190,389.
  • Patent application EP-A-0 640 302 describes a mascara applicator comprising an annular wringing member and provided with a plurality of projections extending radially inwards from the tank, intended for scraping excess product on the applicator when it is removed from the reservoir.
  • Document FR-A-2 730 911 describes an application set for liquid or pasty product comprising a wringer in the form of a diabolo made of deformable elastic material, crossed by the applicator during its extraction from the reservoir.
  • the wringer is suitable for wringing out the rod and increasing its passage section to allow passage the applicator member, which has a cross section greater than that of the rod.
  • French patent 2,504,788 describes a make-up set comprising a brush penetrating inside the tank through a thermowell flexible rubber whose pierced bottom constitutes a wiping lip. the lip of wringing is serrated so that its teeth are able to penetrate the grooves of the brush, between two adjacent rows of bristles, so as to exert a wringing action inside the grooves.
  • the wringing systems described in all these documents are organs mechanical spin in which the rod and / or applicator is wrung is made by contact or friction between the wringer and the member to be wrung.
  • the applicator is of diameter substantially less than the diameter of the rod which door. This is particularly the case for certain applicators carried by a rod whose the diameter can vary between 2.5 and 3 mm, the applicator being in the form a tapered member whose largest diameter is of the order of 2 mm and whose points to a diameter of the order of 0.2 mm. So when such an applicator passes in a wiping member of the type described above, a good wiping of the rod. However, the free end of the applicator is not wrung out and keeps a more or less large drop of product, which drop Then makes the application of the product difficult and of poor quality.
  • the quality of the spin becomes less and less good with the use of the made of the loss of elasticity of the material.
  • the applicator is subjected to stresses which may irreversibly damage it.
  • thermowell the product entering the thermowell is too abundant to ensure a good charge of the applicator, to the detriment of the finesse of the tip.
  • the wringer is sized to the diameter of the applicator so as to wring out by friction of the applicator (of the wringer type with split hole).
  • the applicator is subjected to high mechanical stresses, in particular during its introduction, which can irreversibly damage it.
  • the slotted hole wringer loses its elasticity over use, which inevitably produces a decrease spin quality.
  • the diameter of the wringer is dimensioned to the diameter of the rod, in which case the applicator passes through the wringer without being properly wrung.
  • a set of packaging and application of a liquid or semi-liquid product comprising: a reservoir intended to contain the product; said tank having a bottom, a body and an opening; closing means for closing so removable said opening; an applicator carried by a rod secured to the means closing and mounted so that, in the closed position, means for closure, be brought into contact with the product inside the tank, said applicator having a diameter less than or equal to the diameter of the rod and having a end integral with the rod and a free end; and wringing means located in the vicinity of the opening and intended to be crossed by the applicator, characterized in that the wringing of the applicator is carried out by surface tension effect when the applicator passes through said wringing means, said applicator passing through wringing means without substantial friction with said wringing means.
  • This spinning mechanism by surface tension effect is particularly advantageous, compared to conventional spinning mechanisms, essentially by mechanical friction between the applicator and the wiper, in the as the applicator is not damaged as it passes through the wringer, both at the introduction and at the extraction.
  • the wringing means comprise a sleeve through from which the applicator loaded with product is caused to pass, said sleeve being open at both ends and having a minimum internal diameter greater than maximum diameter of the applicator (generally near its end integral with the rod), said sleeve having an internal surface capable of retaining by surface tension effect a reserve of said product, the tension force superficial, acting between the sleeve and the product it contains, being greater than the surface tension force, acting between the free end of the applicator and said product.
  • the applicator does not rub in a sensitive manner against the walls of the sleeve, even at the point of smallest section of the muff.
  • substantially all of the excess liquid on the tip of the applicator (under shaped like a drop carried by the end of the applicator) is torn off at the applicator, and retained in the sleeve.
  • the amount of liquid that is not retained in the sleeve is distributed substantially uniformly over the entire the height of the applicator, due to the restoring force generated by the elasticity stretched liquid product.
  • the applicator is thus perfectly smoothed, and its end free is substantially free of any excess product.
  • Rheology aims in the sense of the present request all the properties to the flow of a liquid or semi-liquid product, its behavior in response to a given stress and includes, in addition to the surface tension of the product, in particular the viscosity of the product.
  • the surface tension forces aim, within the meaning of the present application, to forces acting at the interfaces between two phases, especially between two liquids, identical or different, or between a solid surface and a liquid.
  • the the greater the surface tension force, the greater the work required separating the two phases is important.
  • the work required to splitting a column of liquid in half is usually called cohesion. This surface tension force can be compared to a pressure negative or depression.
  • the spinning effect results from a surface tension force, at the first interface, superior, and preferably significantly superior, to the force surface tension at the second interface.
  • the difference in tension force particularly due to the fact that the surface of the sleeve on which the surface tension force is greater, and preferably significantly greater than the surface of the tip of the applicator on which the strength.
  • the force exerted on the sleeve side is greater than the force exerted on the side of the applicator so that, when the liquid bridge breaks, much of the excess liquid on the end of the applicator is retained in the wiper, the rest going up along the applicator in the form of a substantially uniform film.
  • the drop effect mentioned with reference to devices of the prior art has disappeared.
  • the wringing means may also comprise means allowing a spin by friction of the rod, for example consisting of a zone throttle formed in the sleeve, and able to wipe the rod in passing of it through the constriction.
  • the means for wringing the rod by friction comprise a annular member mounted above the sleeve, and capable of wiping said rod during of its passage through the annular organ.
  • the annular organ can be made of a thermoplastic material or a thermoplastic elastomer.
  • the diameter of the applicator varies between a maximum value at its end secured to the rod, and a minimum value at its end free, the internal diameter of the sleeve at least in its part located under the rod wringing means, being equal to 2 to 25 times, and preferably 5 to 25 times, the minimum value.
  • the internal diameter of the sleeve is between 2 mm and 10 mm
  • the height of the sleeve up to 'to the rod wringing means is between 10 mm and 50 mm.
  • the internal diameter of the sleeve is such that the annular space between the surface internal of the sleeve and the rod at a radial width ⁇ which can range from a few ⁇ m to 1 mm, the height of the sleeve up to the means for wringing the rod being between 10 mm and 20 mm.
  • the internal surface of the sleeve is frustoconical section whose diameter decreases in the direction opposite to the bottom of the tank.
  • the surface tension force exerted by the wringer on the liquid, as it passes of the applicator can be reinforced by providing on the internal surface of the sleeve of the fins arranged parallel to the axis of the sleeve.
  • Others means, such as slots, orifices, grooves or other reliefs allow advantageously increase the surface for attaching the liquid to the walls of the sleeve.
  • the sleeve has one or more slots or orifices also allowing the product to be supplied with the sleeve.
  • These slots can be oriented perpendicular to the axis of the sleeve or parallel to the axis of the sleeve. In the latter case, the slots may open onto the edge of the sleeve located opposite the bottom of the tank.
  • the invention also relates to an application assembly in which, in closed position of the closing means on the reservoir, the applicator is contained substantially inside the sleeve. According to an alternative, in position closed closure means on the reservoir, the applicator is kept at near the bottom of the tank.
  • the wiping sleeve is formed by the neck of the reservoir, the neck possibly advantageously forming an annular bead defining a throttling zone for wringing the rod, the reservoir being for example produced by injection or by blowing.
  • the means rod wringing may consist of a separate annular element tightly mounted on the neck.
  • the sleeve is delimited by two necks, an upper neck formed by an annular member mounted tight on the neck of the tank, and a lower neck formed in the neck of the reservoir, the product being maintained by the effect of surface tension between the two constrictions.
  • the product contained in the application set may be a hair product, a liquid serum, an eyeliner, an eyeshadow, a liquid lipstick, a mascara, nail polish, glue, etc.
  • the assembly of application (generally represented by the reference 100) according to the invention mainly comprises a tank 1 having a bottom 2 and whose body is ends with a collar 3 connected to the body by a shoulder 4.
  • the external surface of the neck has a thread 5 intended to cooperate with a corresponding thread 6 formed on the internal surface of a plug 7 of substantially external diameter equal to the external diameter of the tank body.
  • the cap 7 carries a applicator 8 mounted on a rod 9.
  • the diameter of the applicator is at the maximum equal to the diameter of the rod, and preferably is less than the diameter of the rod.
  • It can be a substantially straight element with a diameter less than or equal to diameter of the rod, or, preferably, of a tapered element, the largest of which diameter (end adjacent to the rod) is less than or equal to the diameter of the rod.
  • the diameter of the free end is clearly smaller than the internal diameter of the spinning sleeve 11.
  • a sealing cone 10 is provided at the base of the rod 9, so as to seal the orifice of the reservoir 1 when the cap 7 is screwed onto the body 1.
  • the applicator can be in the form of a flocked feather, a felt-tip pen, paintbrush, brush, etc.
  • a wringer 11 of annular shape which is supported on the free edge of the neck, and through which the applicator 8 passes to be put in contact with the product to be applied in order to load the product.
  • the wringer can be mounted in different ways on the collar. According to a first mode of embodiment, at least one annular rib is provided on the external surface of the wringer and intended to be engaged with an annular groove corresponding provided on the internal surface of the neck. Alternatively, the wringer can simply be forced into the neck. Still other means can be provided for mounting the wiper on the neck. Likewise, the whole application can be arranged so that, in the closed position of the cap, the applicator stays substantially in the wringer ( Figure 6) or crosses the wringer to stay substantially at the bottom of the tank ( Figures 4 and 5).
  • the wiper according to the invention in the embodiment shown in Figure 1 is in the form of a sleeve 12 open at its two ends. On the most of its height, the sleeve has an internal diameter greater than stem diameter.
  • the sleeve forms in the vicinity of its upper part, a constricted 13 whose internal diameter may be substantially equal to the diameter of the rod (even slightly lower in the case of an elastically material deformable), so as to wipe the rod as it passes. This constricts 13 will be discussed in more detail later.
  • the sleeve has an internal surface capable of retaining by tension effect superficial a reserve of product P, the feeding of the sleeve can be done in particular, as will be seen in more detail later, by slots or other suitable ports.
  • the quantity of product retained inside the sleeve depends on its geometry, internal surface characteristics, and the rheology of the product (in particular, its viscosity).
  • the applicator 8 by removing the applicator 8 loaded with product from the reservoir, after having unscrewed the plug 7, the applicator 8 is caused to pass through the sleeve 12 and the reserve of product which it retains by tension effect superficial or capillarity.
  • the applicator 8 leaves the sleeve, it forms a liquid bridge 140 between the sleeve 12 and the applicator 8.
  • the liquid bridge 140 breaks by breaking of surface tension.
  • This difference in surface tension force is due, apart from the characteristics of the sleeve surface, to the fact that the volume retained by surface tension in the sleeve 12 is greater, and preferably, significantly greater than the volume of the drop carried by the applicator 8.
  • This difference in volume results from the difference in surface over which the surface tension force in the sleeve 12 relative to the surface of the end of the applicator 8 on which the surface tension force is exerted.
  • the internal surface of the sleeve 12 on which the liquid is retained by surface tension effect is at least 5 times, and preferably at minus 10 times the surface of the applicator.
  • the internal diameter of the sleeve (under the constriction 13), that is to say substantially at the level of the surface of the liquid in the sleeve, is equal to 2 to 25 times, and preferably 5 to 25 times, the diameter the tip of the applicator. In the case of a sleeve 12 having fins or other reliefs on the inner surface of the sleeve, this is the diameter taken at the bottom fins or reliefs, that is to say the largest internal diameter. In reality, the greater the difference in diameter, the greater the rupture of the liquid bridge will intervene quickly above the surface of the product in the sleeve, and the more the drop effect will be satisfactorily resolved.
  • Such a device spin allows, with substantially no friction between the applicator and the inner walls of the sleeve, to retain almost all of the inside of the sleeve of excess product on the tip of the applicator 8.
  • the diameter of the sleeve has been shown voluntarily significantly greater than the diameter of the stem. In practice, a few microns in diameter difference can suffice.
  • the internal surface of the sleeve has fins 25, suitable, as will be seen in more detail below. increase the product retention surface by surface tension effect at inside the sleeve. Typically, these fins can have a depth radial between 1 and 2 mm.
  • the internal diameter of the generator formed by the top of the fins is preferably slightly greater than the diameter of the stem. Furthermore, the sleeve ends in its lower part with a bevelled part 160.
  • the sleeve 12 forms in its upper part, a throttle 13, the diameter of which is chosen so as to wipe the rod by friction when removing the applicator from the reservoir for application of the product, suitable means such as a slot which can be provided at the level throttling, to avoid the piston effect caused by the rise of the rod.
  • suitable means such as a slot which can be provided at the level throttling, to avoid the piston effect caused by the rise of the rod.
  • the constriction is dimensioned so as to have substantially no wiping effect on the applicator.
  • its internal diameter is substantially equal, or very slightly greater than the external diameter of the rod.
  • the throttle promotes spinning by the surface tension effect of the applicator, insofar as it forms a kind of stopper under which (or at vicinity of which) the liquid bridge breaks.
  • Part 150 of sleeve located above the throttle can be of internal diameter greater than the internal diameter of the rest of the sleeve, so as to favor introducing the applicator into the sleeve, and preventing the retention of liquid by surface tension effect in this part.
  • the internal diameter of the part 150 can be of the order of 7 to 8 mm for a internal diameter of the lower part of the sleeve between 2.5 and 4.5 mm.
  • the height of the part 150 is of the order of 10 mm.
  • Choking 13 also constitutes an additional means of restraining the liquid and increases the capacity of the wringer to retain the product by surface tension inside the sleeve, which accelerates the rupture of the bridge liquid, and promotes the spin effect.
  • These friction wringing means are not however not essential. Indeed, especially for low-cost products viscosity, spinning the rod can also be done by ⁇ licking ⁇ by effect surface tension when the rod passes through the wiper 11.
  • the rod will be made of a sufficiently smooth material so that the liquid hangs only slightly on the surface of the rod, compared to the forces of surface tension which it encounters when crossing the wiper 11.
  • the sleeve preferably has at least one slot 14 or an orifice allowing the sleeve to be fed in order to create a reserve of product P therein, and on the other hand to favor the complete emptying of the tank. Loading in product of the wringer can also be made through the lower orifice. As we will see in more detail later, these slots or orifices also allow increase the ability of the sleeve to retain product by capillary action or surface tension.
  • the user preferably shakes the container, possibly turning it over, causing liquid to enter in the sleeve (either by the bottom or by the side slits) inside which it is maintained by the effect of surface tension. She unscrews the cap of the reservoir, causing the rod and applicator to rise in the body of the reservoir, the applicator being loaded with product. Rod 9 crosses the area throttle 13, at which it is wiped. The wiped liquid is maintained at least in part, in the sleeve 12, under the throttle 13, by surface tension effect. The applicator then passes through the sleeve or finds the product.
  • a liquid bridge 140 is created between the applicator and the muff. Due to the geometry and surface finish of the sleeve, the force of the surface tension exerted by the liquid in the sleeve is greater than the surface tension force exerted between the applicator and the liquid, so that, when the liquid bridge breaks, the excess product carried by the applicator (in the form of an end drop) is partially torn off from the applicator and remains in the sleeve. The rest of the product goes up by elasticity along the applicator by forming a thin film of substantially uniform thickness.
  • the wiping effect by surface tension effect is obtained by appropriately choosing the geometry of the sleeve, as well as the surface condition of the sleeve.
  • the internal diameter of the sleeve (d 1 , Figure 2A) is between 2 mm and 10 mm
  • the height (h, FIG. 2A) from the sleeve to the rod wringing means is between 10 mm and 50 mm.
  • the internal diameter d 1 of the sleeve is such that the annular space included between the internal surface of the sleeve and the rod at a radial width ⁇ of the order of a few ⁇ m to 1 mm, the height h of the sleeve up to the means for wringing the rod being between 10 mm and 20 mm.
  • a rod with a diameter of 2.5 mm is used.
  • the applicator has a diameter of the order of 2 mm at its end secured to the rod, and 0.2 mm at its free end.
  • the internal diameter d 1 of the sleeve 12 can range from 2.6 mm to 4.5 mm.
  • the height h of the sleeve until the constriction is of the order of 15 to 20 mm.
  • the constriction 13 has an internal diameter substantially equal to the diameter of the rod 9.
  • the minimum diameter of the wiper 11 is greater than the maximum diameter of the applicator 8 (at its end integral with the rod) and, in the case of an applicator 8 of tapered shape, the minimum diameter of the wiper (at the level of the throttle, if applicable) is significantly greater (here approximately 12.5 times) to the diameter of the free end of the applicator 8.
  • the wringing of the applicator 8 is effected by surface tension effect, without any appreciable friction between the applicator and walls of the sleeve.
  • the applicator 8 can be introduced into the reservoir without risk of being damaged. The quality of the spin remains constant over use.
  • the capacity of the wiper 11 to catch the liquid by tensioning effect surface will be increased by appropriately choosing the materials forming the sleeve.
  • a thermoplastic material will be used, an elastomer, a thermoplastic elastomer, a thermosetting (Bakelite, formalin urea).
  • different materials are used for different parts of the wringer.
  • the surface of the sleeve can make the object of a treatment, such as an electrochemical treatment, or by corona effect, so as to increase the roughness of the internal surface of the sleeve.
  • the internal diameter of the generator generated by the top of the reliefs is preferably slightly greater than the diameter of the stem.
  • the internal diameter at bottom of the reliefs is meanwhile significantly greater than the diameter of the end free from the applicator.
  • the shape of the cross section of the rod can obviously be other that cylindrical of revolution.
  • FIGS. 2A-2D illustrate different embodiments of the wiper 11 according to the invention.
  • the sleeve 12 comprises at least one slot 14 arranged parallel to the axis A of the sleeve for allow, as mentioned previously, on the one hand the loading of the wringer, and also increase the capacity of the sleeve to retain product by surface tension effect.
  • the wiper has an annular edge 20 intended to come to rest on the free edge of the neck 3 of the tank.
  • the external surface of the wiper comprises in its part located above the constriction 13, one or more beads 21 intended for snap mounting of the wiper in the neck.
  • the feed slot 14 is oriented substantially perpendicular to the axis A of the sleeve 12.
  • the slot 14 is oriented parallel to the axis A of the sleeve and opens onto the transverse edge opposite the annular edge 20.
  • the sleeve 12 does not include a zone strangulation.
  • the part 22 of the sleeve opposite the edge annular 20 is of smaller diameter than the rest 23 of the sleeve 12.
  • the sleeve has on at least part of its internal surface, fins or ribs 25 intended, as well as previously mentioned to increase the retention surface of the sleeve, and thus its capacity to retain liquid or semi-liquid product by tension effect superficial.
  • the diameter of the sleeve at the top of the fins can be approximately 3 mm, for a rod with a diameter of approximately 2.5 mm.
  • the diameter of the sleeve is about 5 mm at the bottom of the fins.
  • the diameter of the free end of the applicator is of the order of 0.2 mm.
  • the end of the sleeve opposite the edge 20 may have its chamfered inner edge.
  • the fins also constitute a reduction in the diameter of the sleeve so as to prevent the ball (26, figures 4-6) to enter the sleeve, the product entering the sleeve in the space or the slots between two adjacent fins, and / or by the slots 14.
  • the part of the sleeve opposite the annular edge 20 is shaped tapered.
  • the diameter decreases towards the annular edge 20 so as to form the throttle zone 13, the liquid being maintained mainly in the upper part of the cone, in the vicinity of the throttling zone 13.
  • the sleeve 12 has an internal and external cross section, substantially in the shape of a clover so as to increase the surface area and the capacity sleeve retention.
  • the internal section is in Shamrock shape, the outer section being substantially circular.
  • the diameter minimum of the generator generated by the concave parts of the clover is preferably slightly greater than the diameter of the stem.
  • the maximum diameter of the generatrix generated by the convex parts of the clover is clearly greater than the diameter of the free end of the applicator.
  • the sleeve according to this embodiment may also include slots or orifices for allow the product to be supplied with the sleeve.
  • FIG. 4 illustrates a packaging assembly 100 substantially similar to that illustrated in FIG. 1.
  • the rod passes through the wiper 11, and the applicator is located substantially in the vicinity of the bottom 2 of the tank so as to dip into the product P.
  • An element 26, such as a ball, is disposed in the reservoir of so as to promote the homogenization of the mixture before use.
  • the wiper 11 is mounted substantially in the height of the neck 3 of the tank.
  • the applicator represented here in the form of a brush of smaller diameter than the diameter of the rod, passes through wringing means while not undergoing substantially no physical friction with the walls of the sleeve, the wringing of the applicator being produced essentially by the mechanism of tension forces superficial which, in the passage of the applicator, retain in the sleeve, most of the excess liquid on the tip of the applicator.
  • the applicator is reassembled for application, there is a first bridge liquid between the applicator and the surface of the liquid P in the reservoir.
  • the packaging 100 shown in Figure 5 differs from that of Figure 4 in that the wringer is made up of two parts 120, 121 which advantageously, are made by bi-injection of two appropriately chosen materials.
  • Part 120 forms the wiping member by friction of the rod.
  • Part 121 forms the wiper member by surface tension effect of the applicator.
  • the room 120 includes an annular skirt 122 surmounted by an annular plate defining, on the one hand an edge 123 intended to be supported on the free edge of the reservoir 1, and on the other hand a member 124 projecting towards the inside of so as to wipe the rod 9 when raising the applicator 8.
  • the plate carries a second annular skirt 125 of diameter greater than the diameter of the skirt 122 and the outer surface of which bears a thread 5 able to cooperate with thread 6 provided on the inner wall of the plug 7.
  • the member 120 for wiping the rod can be made of a thermoplastic material, or an elastomer thermoplastic.
  • the element 121 comprises a skirt 125 whose external diameter is slightly less than the internal diameter of the skirt 122.
  • the internal diameter of the skirt 125 is slightly greater than the diameter of the rod so as to allow loading of product by surface tension effect inside the skirt 125.
  • outer diameter of the annular groove is slightly less than the diameter internal of the tank 1 so as to allow a tight, tight mounting of the wiper assembly 120, 121 on the tank 1.
  • the skirt 125 has at least a side slot 14 to allow loading of the wiper.
  • the applicator is mounted on the rod so that a substantially straight shoulder 130 is formed at the junction between the rod and the applicator, the applicator being, according to this embodiment, of diameter less than the diameter of the rod, over the entire length of the applicator.
  • This shoulder is either worn by the applicator or obtained by mounting the end of the applicator inside the rod.
  • the right shoulder has a radial width of between 0.5 mm and 1.5 mm.
  • the substantially straight shoulder further improves the spin effect by breaking the surface tension.
  • the shoulder produces an attachment zone by surface tension effect, able to allow the rise of the minimal quantity excess liquid that has not been retained in the sleeve after the rupture of the liquid bridge between the sleeve and the applicator.
  • the application assembly represented in FIG. 6 is substantially identical to that of FIG. 5.
  • the applicator 8 is a brush whose bristles can advantageously be covered with a flocking.
  • the applicator 8 stays inside the wringer whose filling is favored by the feed slot 14.
  • the neck 3 of the reservoir 1 constitutes the wiping sleeve 12 by surface tension effect, part of the tank located in the neck, which allows for the same length of rod 9, to have a more compact package. It can be produced by injection or by blowing.
  • the bottom 2 of the tank can be glued or welded tightly to the rest of the tank.
  • the throttle 13 also forms part integral with the neck, and is oriented substantially towards the bottom of the bottle so as to facilitate and accelerate the rupture of the liquid bridge between the sleeve and the applicator.
  • the rod wiping member consists of a part ring reported on the neck.
  • the sleeve is also formed by the neck (3) of the bottle, and is delimited by two necks (13, 13 '), an upper neck (13) formed by an annular member (160) sealingly mounted on the neck of the tank, and a lower neck (13 ') formed directly in the neck of the tank, the product being maintained by the effect of surface tension between the two necks.
  • This configuration contributes to further improving the retention of the liquid by surface tension in the cervix.
  • the application set which has just been described previously with reference to Figures 1 to 8 is particularly advantageous in that it provides a applicator saturated with product, but the end of which does not have a drop of excess product, which allows a very precise application and a very fine line.
  • the function of the throttle, if any, being limited to wringing the rod, it it is no longer necessary to size it to the diameter of the applicator.
  • This configuration allows to obtain both a good spin of the rod (by friction in the throttle and / or by surface tension effect in the sleeve) and the applicator (by surface tension effect in the sleeve), and allows, because of the small diameter of the tip of the applicator relative to the diameter of throat and sleeve, not to damage the applicator when introduced into the tank.
  • the wringing means by surface tension effect constitute a reserve of product, allowing the user to be able to recharge the applicator without having to screw the cap back on.
  • the restraint by surface tension effect, located below the diameter wring prevents the product from passing over the wringer of the rod when the bottle does not have its applicator. Spinning remains of equal quality over use, unlike some conventional devices discussed in the preamble to this description.

Landscapes

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

Claims (26)

  1. Verpackungs- und Auftrageinheit (100) für ein flüssiges oder halbflüssiges Produkt (P), die aufweist: einen das Produkt enthaltenden Behälter (1), der einen Boden (2), einen Körper und eine Öffnung besitzt, Verschlußmittel (7), um diese Öffnung lösbar zu verschließen, einen von einer fest mit den Verschlußmitteln verbundenen Stange (9) getragenen Applikator (8), der so montiert ist, daß er in der geschlossenen Stellung der Verschlußmittel mit dem Produkt innerhalb des Behälters in Kontakt gebracht wird, wobei der Applikator (8) einen kleineren oder gleich großen Durchmesser aufweist wie die Stange und eines seiner Enden fest mit der Stange verbunden und das andere Ende frei ist, und Abstreifmittel (11, 12, 13, 120, 121), die sich in der Nähe der Öffnung befinden und vom Applikator (8) durchquert werden, dadurch gekennzeichnet, daß das Abstreifen des Applikators (8) durch Wirkung einer Oberflächenspannung beim Durchqueren der Abstreifmittel (11, 12, 13, 120, 121) durch den Applikator erfolgt, wobei der Applikator (8) ohne merkliche Reibung mit den Abstreifmitteln diese durchquert.
  2. Verpackungs- und Auftrageinheit nach Anspruch 1, dadurch gekennzeichnet, daß die Abstreifmittel eine Manschette (12, 125) enthalten, durch die hindurch der mit Produkt geladene Applikator geführt wird, wobei diese Manschette (12, 125) einen inneren Mindestdurchmesser aufweist, der größer ist als der maximale Durchmesser des Applikators (8), wobei die Manschette (12, 125) an ihren beiden Enden offen ist und eine Innenfläche aufweist, die durch Wirkung der Oberflächenspannung eine Reserve des Produkts zurückhalten kann, wobei die Kraft der Oberflächenspannung, die zwischen der Innenfläche der Manschette (12, 125) und dem in ihr zurückgehaltenen Produkt ausgeübt wird, größer ist als die Kraft der Oberflächenspannung, die zwischen dem freien Ende des Applikators (8) und dem Produkt ausgeübt wird.
  3. Verpackungs- und Auftrageinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Abstreifmittel ein erstes Ende in der Nähe der Öffnung und ein zweites, dem ersten entgegengesetztes Ende aufweisen, wobei die Abstreifmittel außerdem Mittel (13, 124) aufweisen, die ein Abstreifen der Stange durch Reibung ermöglichen.
  4. Verpackungs- und Auftrageinheit nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Durchmesser des Applikators (8) zwischen einem Maximalwert an seinem fest mit der Stange verbundenen Ende und einem Minimalwert an seinem freien Ende variiert, wobei der Innendurchmesser d1 der Manschette (12) zumindest in dem Teil, der sich unter den Abstreifmitteln der Stange befindet, 2 bis 25 mal, und vorzugsweise 5 bis 25 mal, so groß wie der Minimalwert ist.
  5. Verpackungs- und Auftrageinheit nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Mittel zum Abstreifen der Stange (9) durch Reibung aus einer Verengungszone (13) im oberen Bereich der Manschette (12) bestehen, die die Stange (9) beim Austritt des Applikators (8) aus dem Behälter (1) abwischen kann.
  6. Verpackungs- und Auftrageinheit nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Mittel zum Abstreifen der Stange durch Reibung ein ringförmiges Organ (124) aufweisen, das oberhalb der Manschette (125) montiert ist und diese Stange bei ihrer Durchquerung des ringförmigen Organs abstreifen kann.
  7. Verpackungs- und Auftrageinheit nach Anspruch 6, dadurch gekennzeichnet, daß das ringförmige Organ (124) aus einem thermoplastischen Material oder aus einem thermoplastischen Elastomer besteht.
  8. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 2 bis 7, dadurch gekennzeichnet, daß die Manschette (12, 125) aus einem thermoplastischen Material, einem Elastomermaterial, einem thermoplastischen Elastomermaterial oder einem wärmehärtbaren Material besteht.
  9. Verpackungs- und Auftrageinheit nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß die Manschette (125) und das ringförmige Organ (124) durch Bi-Injektion zweier Materialien hergestellt werden.
  10. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 3 bis 9, dadurch gekennzeichnet, daß für ein Produkt, dessen Viskosität zwischen 1.10-3 Pa.s (1 cp) und 1 Pa.s (10 p) liegt, der Innendurchmesser d1 der Manschette (12, 125) zwischen 2 mm und 10 mm liegt, während die Höhe h der Manschette bis zu den Abstreifmitteln (13, 124) der Stange zwischen 10 mm und 50 mm liegt.
  11. Verpackungs- und Auftrageinheit nach Anspruch 10, dadurch gekennzeichnet, daß für ein Produkt, dessen Viskosität zwischen 1.10-3 Pa.s (1 cp) und 5.10-1 Pa.s (5 p) liegt, der Innendurchmesser d1 der Manschette (12, 125) derart ist, daß der ringförmige Raum zwischen der Innenfläche der Manschette und der Stange eine radiale Breite δ zwischen einigen µm und 1 mm hat, während die Höhe h der Manschette (12, 125) bis zu den Abstreifmitteln (13, 124) der Stange zwischen 10 mm und 20 mm liegt.
  12. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Innenfläche der Manschette (12, 125) kegelstumpfförmig ist und ihr Durchmesser sich in der dem Boden des Behälters (2) entgegengesetzten Richtung verringert.
  13. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Manschette (12, 125) Stege (25) aufweist, die parallel zur Achse (A) der Manschette über mindestens einen Teil der Innenfläche der Manschette angeordnet sind, um die auf das Produkt ausgeübte Kraft der Oberflächenspannung zu verstärken.
  14. Verpackungs- und Auftrageinheit nach Anspruch 13, dadurch gekennzeichnet, daß die Stege (25) eine radiale Tiefe zwischen 1 und 2 mm haben.
  15. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Manschette (12, 125) Mittel (14) aufweist, die die Versorgung der Manschette mit Produkt ermöglichen.
  16. Verpackungs- und Auftrageinheit nach Anspruch 15, dadurch gekennzeichnet, daß die Versorgungsmittel mindestens einen Schlitz (14) und/oder mindestens eine die Wand der Manschette durchquerende Öffnung aufweisen.
  17. Verpackungs- und Auftrageinheit nach Anspruch 16, dadurch gekennzeichnet, daß der Schlitz oder die Schlitze (14) parallel zur Achse der Manschette ausgerichtet ist bzw. sind.
  18. Verpackungs- und Auftrageinheit nach Anspruch 16, dadurch gekennzeichnet, daß der Schlitz oder die Schlitze senkrecht zur Achse der Manschette ausgerichtet ist bzw. sind.
  19. Verpackungs- und Auftrageinheit nach Anspruch 17, dadurch gekennzeichnet, daß der Schlitz oder die Schlitze an dem Rand der Manschette münden, der sich vor dem Boden des Behälters befindet.
  20. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 15 bis 19, dadurch gekennzeichnet, daß in der Schließstellung der Verschlußmittel (7) auf dem Behälter der Applikator (8) im wesentlichen im Inneren der Manschette (12, 125) enthalten ist.
  21. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 1 bis 19, dadurch gekennzeichnet, daß in der Schließstellung der Verschlußmittel (7) auf dem Behälter der Applikator (8) in der Nähe des Bodens (2) des Behälters (1) gehalten wird.
  22. Verpackungs- und Auftrageinheit nach einem beliebigen der Ansprüche 2 bis 20, dadurch gekennzeichnet, daß die Abstreifmanschette vom Hals des Behälters gebildet wird.
  23. Verpackungs- und Auftrageinheit nach Anspruch 2 oder 15, dadurch gekennzeichnet, daß die Manschette einen Querschnitt in Form eines Kleeblatts aufweist.
  24. Verpackungs- und Auftrageinheit nach Anspruch 22, dadurch gekennzeichnet, daß die Manschette von zwei Querschnittsverminderungen (13, 13') begrenzt wird, einer oberen Querschnittsverminderung (13), die von einem ringförmigen Organ gebildet wird, das dicht auf den Hals des Behälters montiert ist, und einer unteren Querschnittsverminderung (13'), die im Hals des Behälters ausgebildet ist, wobei das Produkt durch Wirkung der Oberflächenspannung zwischen den beiden Querschnittsverminderungen gehalten wird, wobei eine der Querschnittsverminderungen (13) das Organ zum Abstreifen der Stange (9) durch Reibung bildet.
  25. Verpackungs- und Auftrageinheit nach Anspruch 22, dadurch gekennzeichnet, daß ein ringförmiges Organ dicht auf den Hals montiert ist, um das Abstreifen der Stange durch Reibung zu ermöglichen.
  26. Verpackungs- und Auftrageinheit nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Produkt ein kapillares Produkt, ein flüssiges Serum, eine Wimperntusche, ein Eyeliner, ein Lidschatten, ein flüssiger Lippenstift, ein Klebstoff, usw. ist.
EP97401883A 1996-09-10 1997-08-05 Vorrichtung zum Aufbewahren und Auftragen von flüssigen oder halbflüssigen Produkten Expired - Lifetime EP0829211B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9611032A FR2753057B1 (fr) 1996-09-10 1996-09-10 Ensemble d'application de produit liquide ou semi liquide
FR9611032 1996-09-10
FR9612199 1996-10-07
FR9612199A FR2753058B1 (fr) 1996-09-10 1996-10-07 Ensemble d'application de produit liquide ou semi liquide

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EP0829211A1 EP0829211A1 (de) 1998-03-18
EP0829211B1 true EP0829211B1 (de) 1999-09-15

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US (1) US6033142A (de)
EP (1) EP0829211B1 (de)
JP (1) JP3001838B2 (de)
CN (1) CN1072167C (de)
BR (1) BR9702849A (de)
CA (1) CA2214313C (de)
DE (1) DE69700521T2 (de)
ES (1) ES2139426T3 (de)
FR (1) FR2753058B1 (de)

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JP6401040B2 (ja) * 2014-12-18 2018-10-03 ケイミュー株式会社 液体収納容器
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JP6357561B2 (ja) * 2016-04-04 2018-07-11 花王株式会社 化粧料塗布装置
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CN109843115A (zh) * 2016-10-18 2019-06-04 爱飞司可丽雅国际贸易有限公司 具有调色构件部的刮液器及包括其的睫毛膏容器
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Also Published As

Publication number Publication date
CN1072167C (zh) 2001-10-03
CA2214313C (fr) 2000-01-04
CA2214313A1 (fr) 1998-03-10
JP3001838B2 (ja) 2000-01-24
BR9702849A (pt) 1998-12-22
MX9706701A (es) 1998-07-31
FR2753058B1 (fr) 1998-10-16
JPH1085037A (ja) 1998-04-07
DE69700521T2 (de) 2000-01-13
ES2139426T3 (es) 2000-02-01
DE69700521D1 (de) 1999-10-21
FR2753058A1 (fr) 1998-03-13
CN1176211A (zh) 1998-03-18
EP0829211A1 (de) 1998-03-18
US6033142A (en) 2000-03-07

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