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EP3573891B1 - Verfahren zur herstellung einer vorrichtung zur abgabe eines produkts - Google Patents

Verfahren zur herstellung einer vorrichtung zur abgabe eines produkts Download PDF

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Publication number
EP3573891B1
EP3573891B1 EP18704885.5A EP18704885A EP3573891B1 EP 3573891 B1 EP3573891 B1 EP 3573891B1 EP 18704885 A EP18704885 A EP 18704885A EP 3573891 B1 EP3573891 B1 EP 3573891B1
Authority
EP
European Patent Office
Prior art keywords
chamber
valve
product
filling
vacuum
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
EP18704885.5A
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English (en)
French (fr)
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EP3573891A1 (de
Inventor
Guillaume Boulais
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.)
GB Developpement
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GB Developpement
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Filing date
Publication date
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Publication of EP3573891A1 publication Critical patent/EP3573891A1/de
Application granted granted Critical
Publication of EP3573891B1 publication Critical patent/EP3573891B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0056—Containers with an additional opening for filling or refilling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0097—Means for filling or refilling the sprayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1061—Pump priming means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/17—Methods of, or means for, filling the material into the containers or receptacles for filling valve bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall

Definitions

  • the present invention relates to a method of manufacturing a device for dispensing a product.
  • the field of the invention is more particularly that of the distribution of products such as liquids, gels or creams, for example for the pharmaceutical or cosmetic or agro-food industry.
  • EP 0 349 396 describes a method of packaging a product in the form of a tube comprising a head provided with a dispensing valve.
  • EP 0 509 179 describes a process for vacuum packaging products inside reservoirs closed by a member without air intake.
  • EP 0 928 635 describes a packaging device comprising a reservoir filled under vacuum.
  • This device even if it is good, can still be improved because it still poses some technical problems.
  • a first problem is that of priming, that is to say when the chamber is filled with air when the device is new, and a user presses on the chamber so as to pump the product from the reservoir. trying to fill the room.
  • the aim of the present invention is to provide a method of manufacturing a product dispensing device making it possible to solve this problem.
  • the method according to the invention further comprises, after the closing step, a priming step during which the product is brought from the reservoir to the interior of the deformable chamber.
  • the priming step may include increasing the pressure around the reservoir to the reference pressure.
  • the priming step can start while the interior of the deformable chamber is at a priming pressure lower than the reference pressure.
  • the vacuum step can create a vacuum in the reservoir, around the reservoir, in the deformable chamber, from the deformable chamber to the outlet of the device, and / or from the deformable chamber to the reservoir.
  • the outlet may not be clogged during the evacuation step.
  • the reservoir In the intermediate state, the reservoir can be filled with product while around the reservoir, from the deformable chamber to the outlet of the device, and / or from the deformable chamber to the reservoir, the pressure may be at the intermediate pressure and / or lower than the reference pressure.
  • the outlet may be plugged during the filling step.
  • the closing step can be implemented while the device is in its intermediate state.
  • the outlet may be plugged during the closing step.
  • the vacuum step can precede the filling step.
  • the stages of evacuating, filling and closing can be carried out within the same evacuation enclosure.
  • the leakage rate through the movable wall may be zero and / or the leakage rate through the dispensing valve may be zero.
  • the system according to the invention comprises priming means arranged to bring product from the reservoir to the interior of the deformable chamber.
  • the priming means can be arranged to bring this product by increasing the pressure around the reservoir to the reference pressure.
  • the priming means can be arranged to start the priming while the interior of the deformable chamber is at a priming pressure lower than the reference pressure.
  • the priming means can be arranged to implement the priming (i.e. bring this product) while the outlet is blocked.
  • the vacuum means can be arranged to create a vacuum in the reservoir, around the reservoir, in the deformable chamber, from the deformable chamber to the outlet of the device, and / or from the deformable chamber to the reservoir.
  • the vacuum means can be arranged so that the outlet is not blocked during the creation of the vacuum by the vacuum means.
  • the reservoir In the intermediate state, the reservoir can be filled with product while around the reservoir, from the deformable chamber to the outlet of the device, and / or from the deformable chamber to the reservoir, the pressure may be at the intermediate pressure and / or lower than the reference pressure.
  • the filling means can be arranged so that the outlet is blocked during filling by the filling means.
  • the closure means can be arranged to seal or close the filling opening while the device is in its intermediate state.
  • the closure means may be arranged to seal or close the filling opening while the outlet is plugged.
  • the vacuum means and the filling means can be arranged so that the creation of a vacuum by the vacuum means precedes the filling by the filling means.
  • the means for evacuating, filling and closing can be grouped within the same evacuation enclosure.
  • variants of the invention comprising only a selection of characteristics described or illustrated below isolated from the other characteristics described or illustrated (even if this selection is isolated within a sentence comprising these other characteristics), if this selection of characteristics is sufficient to confer a technical advantage or to differentiate the invention from the state of the prior art.
  • This selection comprises at least one preferably functional characteristic without structural details, and / or with only part of the structural details if this part alone is sufficient to confer a technical advantage or to differentiate the invention from the state of the art. earlier.
  • the initial step of this process illustrated on figure 1 is a step of providing a device 1 comprising a reservoir 3 and a head 2.
  • the head 2 comprises a rigid frame (for example of Polypropylene (PP)), on which is fixed a movable and / or deformable wall 13 (for example of Polypropylene (PP) with a much thinner thickness than the frame) which is more flexible than the framework.
  • a rigid frame for example of Polypropylene (PP)
  • a movable and / or deformable wall 13 for example of Polypropylene (PP) with a much thinner thickness than the frame
  • the head 2 comprises a deformable chamber 45.
  • the filling opening 8 is a direct communication between the interior of the reservoir 3 and the exterior of the device 1.
  • the interior of the deformable chamber 45 is delimited at least in part by the wall 13, a displacement of which causes a variation in the volume of the deformable chamber 45.
  • the reservoir 3 does not include the product 16, and is preferably filled only with gas, preferably air and / or an inert gas such as nitrogen.
  • the device 1 does not include the product 16, and is preferably filled only with gas, preferably air and / or an inert gas such as nitrogen.
  • the device 1 is in an initial state called “unsealed”, because the filling opening 8 exists and is not yet sealed.
  • the chamber 45 is separated from the reservoir 3 at least by the supply valve 4.
  • the supply valve 4 is flexible, typically in thermoplastic elastomer (TPE) or an 80 Shore A thermoplastic polyurethane elastomer.
  • the chamber 45 is arranged so that a decrease in the volume of the chamber 45 (for example by pressing on the wall 13) closes the supply valve 4, at least when the chamber 45 is filled (preferably completely) with the product. 16 (which is not yet the case in this initial step).
  • the chamber 45 is arranged so that an increase in the volume of the chamber 45 (for example by releasing the wall 13) opens the supply valve 4, at least when the chamber 45 is filled (preferably completely) with the product 16 (which is not yet the case in this initial step).
  • the chamber 45 is separated from an outlet 6 of the device 1 at least by a distribution valve 5.
  • the distribution valve 5 is flexible, typically in thermoplastic elastomer (TPE) or a thermoplastic polyurethane elastomer of 80 Shore A.
  • the chamber 45 is arranged so that a decrease in the volume of the chamber 45 (for example by pressing on the wall 13) opens the dispensing valve 5, at least when the chamber 45 is filled (preferably completely) with the product 16. (which is not yet the case in this initial step).
  • the chamber 45 is arranged so that an increase in the volume of the chamber 45 (for example by releasing the wall 13) closes the dispensing valve 5, at least when the chamber 45 is filled (preferably completely) with the product 16 (which is not yet the case in this initial step).
  • the supply valve 4 When it is open, the supply valve 4 allows a passage of product, typically from the reservoir 3 to the chamber 45. When it is closed, the supply valve 4 does not allow such passage of product.
  • the dispensing valve 5 When it is open, the dispensing valve 5 allows a passage of product, typically from the chamber 45 to the outlet 6. When it is closed, the dispensing valve 5 does not allow such a passage of product.
  • a supply port connects chamber 45 to the supply duct.
  • the supply valve 4 comprises a membrane which, in the closed state of this supply valve 4, is pressed against the supply orifice so as to block this supply orifice, and in the open state of this supply valve 4, moves away from the orifice feed so as to open this feed orifice; the supply valve 4 is an independent part of the head 2, and is housed (at least its membrane) on the side of the chamber 45.
  • the supply valve 4 (movable between its closed and open positions) is, in its closed state, held pressed against a stationary part (called the supply seat, which at least partially surrounds the periphery of the associated supply port. ) and “rigid” (ie not made of flexible material) of an internal wall of the chamber 45. More precisely, the supply valve 4 comprises a membrane which, in the closed state of the supply valve 4, is kept pressed against the feed seat, and moves away from this feed seat in its open state.
  • the wall 13 is not mechanically connected to the supply valve 4.
  • the supply valve 4 is a single wall which covers the supply seat, the supply valve 4 does not fit into the channel d. 'food.
  • the feed seat is located inside chamber 45.
  • a distribution orifice connects the chamber 45 to the distribution duct.
  • the distribution valve 5 is an independent part of the head 2 and is housed (entirely) inside the distribution duct.
  • the dispensing valve 5 comprises a membrane which, in the closed state of this dispensing valve 5, is pressed against the dispensing orifice so as to block this dispensing orifice, and in the open state of this dispensing valve 5, moves away from the dispensing orifice so as to open this dispensing orifice.
  • the dispensing orifice is located on a side wall of the dispensing duct, so that the dispensing orifice, the dispensing conduit and the dispensing valve 5 are arranged so that the product travels overall (i.e. say at a scale larger than the vortices of the microparticles of the product 16) a right angle or substantially a right angle passing from the chamber 45 to the distribution duct, that is to say between the direction of propagation of the product at the inlet of the distribution 5 and the direction of propagation of the product at the outlet of the distribution valve 5.
  • the distribution valve 5 (movable between its closed and open positions) is, in its closed state, kept pressed (sufficiently firmly, thanks to return means or a return spring of the valve 5, for example as described in the patent. WO 2015/155 318 ) against a stationary part (called the dispensing seat, which at least partially surrounds the periphery of the associated dispensing orifice) and “rigid” (ie not made of flexible material) of an internal wall of the dispensing duct, respectively in which it is housed. More precisely, the distribution valve respectively comprises a membrane which, in the closed state of the distribution valve, is held pressed against the distribution seat, and moves away from this seat in its open state.
  • the distribution seat is a lateral part of the distribution duct respectively, that is to say that this seat is limited to one face, preferably planar, of an internal wall of the distribution duct respectively and does not go all the way around a section of the distribution duct which would be produced in a plane perpendicular to the direction of elongation of the distribution duct.
  • the distribution headquarters is located outside of chamber 45.
  • the feed port is located on a side wall of the feed duct, so that the feed port, the feed duct and the feed valve 4 are arranged so that the product generally travels at an angle. right or substantially a right angle passing from the supply duct to the chamber 45, that is to say between the direction of propagation of the product at the inlet of the supply valve 4 and the direction of propagation of the product at the outlet of the supply valve 4.
  • the supply valve 4 and the distribution valve 5 are connected by a junction element, this supply valve 4, this distribution valve 5 and the junction element being integral and in a single piece (manufactured for example a thermoplastic elastomer (TPE) or a polyurethane thermoplastic elastomer). This unique piece is in one piece.
  • the junction element typically has a hardness of 70-80 Shore A. A hole creates a passage between the distribution conduit and the supply conduit without passing through the chamber 45. The junction element closes this hole and is maintained. by clamping in this hole.
  • the first embodiment of the method according to the invention comprises a step of “placing under vacuum” (also called a vacuum step) in which a vacuum is created in the deformable chamber 45 with respect to the reference pressure.
  • This reference pressure is equal to atmospheric pressure, that is to say equal to 1 bar.
  • This depression corresponds to a pressure difference of at least 0.2 or even 0.3 bar relative to the reference pressure, preferably at least 0.5 bar relative to the reference pressure, preferably d 'at least 0.7 bar relative to the reference pressure.
  • any mention of pressure or depression refers to a gas, the composition of which may optionally change during the process according to the invention.
  • the wall 13 is moved so as to increase the volume of the chamber 45 and / or the wall 13 is moved so as to reduce the volume of the chamber, for example by means of a jack 25 vibrating, preferably according to at least one (or even more) round trip (s), each round trip comprising a movement of the wall 13 so as to increase the volume of the chamber 45 and a movement of the wall 13 of so as to reduce the volume of the chamber 45.
  • valve 4 and the valve 5 are thus opened and thus the correct production of the negative pressure or the vacuum (which is a partial vacuum) inside the chamber 45 despite the existence of the valves 4 and / or 5 is ensured.
  • the action of the jack 25 is a useful aid, but is not obligatory in particular in the case of a valve 4 and / or a valve 5 which is very flexible or not very tight with a possible space between the valve 4 or 5 and its seat.
  • the device 1 is in an enclosure 18 in which the vacuum is produced by a suction carried out by suction means 26 (such as for example a pump).
  • suction means 26 such as for example a pump
  • the outlet 6 is not blocked during the evacuation step. This can allow the air to come out also through outlet 6.
  • the walls 31, 32 of the tank 3 are kept spaced apart from each other during the evacuation step.
  • Keeping the walls 31, 32 of the reservoir 3 apart from one another during the evacuation comprises keeping the walls 31, 32 of the reservoir 3 apart from each other by a filling nozzle 11 inserted into the reservoir 3 through the filling opening 8 .
  • the first embodiment of the method according to the invention comprises a filling step in which the reservoir 3 is at least partially filled with the product 16.
  • Product 16 is a liquid, cream, paste, gel or mixture thereof.
  • the walls 31, 32 of the reservoir 3 are kept apart from each other during the filling step.
  • Each spacer 12 is a suction cup.
  • the outlet 6 is blocked during the filling step.
  • This intermediate pressure is equal to the pressure obtained by the vacuum created during the vacuum step.
  • This intermediate pressure is less than 0.7 bar, preferably less than 0.5 bar, preferably less than 0.3 bar or even 0.2 bar.
  • the intermediate pressure is at least 0.2 or even 0.3 bar lower than the reference pressure, preferably at least 0.5 bar compared to the reference pressure, preferably at least 0.7 bar compared to the reference pressure.
  • the first embodiment of the method according to the invention comprises a closing step in which the filling opening 8 is sealed or closed.
  • the closing step is implemented while the device 1 is in its intermediate state.
  • the closure is achieved for example by means of a clamp 9 for ultrasonic welding or hot welding.
  • the first embodiment of the method according to the invention further comprises, after the closing step and the evacuation step and the filling step, a priming step during which the product is introduced 16 from the reservoir 3 to the interior of the deformable chamber 45 (at least up to between the supply valve 4 and an internal wall (more exactly the supply seat) of the chamber 45), preferably so to be filled with product 16 at least 1% or even at least 5% of the internal volume of the chamber 45 (that is to say at the level of the seat of the inlet valve 4) for example if the product 16 is very viscous, preferably so as to fill with product 16 at least 30% of the internal volume of the chamber 45, for example if the product 16 is not very viscous, preferably so as to completely fill the chamber 45 with product 16.
  • the priming step starts when the interior of the deformable chamber 45 is at a priming pressure (equal to the intermediate pressure) lower than the reference pressure, which considerably helps this priming.
  • This priming pressure is less than 0.7 bar, preferably less than 0.5 bar, preferably less than 0.3 bar or even 0.2 bar.
  • the priming pressure is respectively at least 0.2 or even 0.3 bar lower than the reference pressure, preferably at least 0.5 bar compared to the reference pressure, preferably d 'at least 0.7 bar relative to the reference pressure.
  • the outlet 6 is blocked during the priming step. This makes it possible to prevent the entry of air or gas into the device 1 through the outlet 6 when the enclosure is opened.
  • the device 1 After priming, the device 1 is then in its so-called “final” state, ready to be used by a user.
  • the stages of placing under vacuum, filling, closing and priming are carried out within the same chamber 18 for placing under vacuum.
  • the opening 8 is always located higher up than the orifice 7 (the height increasing as it moves away from the Earth parallel to the Earth's gravitational field, or by going against a direction of flow of the product 16 from the nozzle 11 to the reservoir 3 during the filling step).
  • the reservoir 3 is not formed by a flexible bag but by a tube.
  • the outlet 6 is plugged during the evacuation step, the method being compatible with the manufacture of a device 1 carrying a plug 22. It is also plugged during the filling step. , the closing step and the priming step.
  • the hinge 23 and the cap 22 are ideally made of the same material as the frame of the head 2.
  • the walls 31, 32 do not need to be kept apart.
  • the figure 8 illustrates the evacuation step of this second embodiment.
  • the filling step via the nozzle 11 is not illustrated.
  • the figure 9 illustrates the closing step of this second embodiment.
  • the figure 10 illustrates the priming step of this second embodiment.
  • the vacuum step is carried out in a first enclosure 181, so as not to trap an air bubble between the product 16 and the reservoir 3 and to create the vacuum in the chamber 45 in particular if the product 16 is viscous.
  • the filling step is then carried out in the first enclosure 181.
  • the device 1 is then transported from the first enclosure 181 to a second enclosure 182 with the outlet 6 blocked by the means 19, 20 or 21, so as to be able to maintain the vacuum in the chamber 45.
  • the “vacuum” is produced at the priming pressure around the reservoir 3 in the second chamber 182 in anticipation of the priming.
  • the step of closing the reservoir 3 is then carried out by welding in the second enclosure 182.
  • a first part of the priming step (by increasing the pressure) is then carried out during the opening of the enclosure 182 and the entry of gas 17 into the volume 15.
  • a second part of the priming step is carried out outside the enclosures 181, 182 by the mechanical means 14 crushing the reservoir 3.
  • This third embodiment is implemented on a continuous vertical filling machine.
  • the reservoir 3 is formed by two flexible films which are assembled.
  • Each of these two films is, for example, a polyethylene terephthalate (PET) / Aluminum / Polypropylene (PP) multilayer film.
  • PET polyethylene terephthalate
  • PP Polypropylene
  • These two assembled flexible films form several devices 1 connected in series and which move in a direction 24 from one station to the other of the filling machine.
  • the initial step of supplying a device 1 is implemented by assembling these two films between which is inserted the head 2 of this device 1, as illustrated on part 101 at the top of the figure 12 .
  • the two films are assembled (typically by an ultrasonic and / or hot welding technique), leaving the opening 8 open.
  • the device 1 moves in the direction 24 and takes place the step of filling the reservoir 3 of the device 1 by the nozzle 11 with the product 16, as illustrated in part 102 in the middle of the figure 12 .
  • closing step precedes the priming step.
  • the priming step is not compulsory and this priming can be carried out later manually by a user, even if this is much less advantageous (in the event of a leak, the interior of chamber 45 can gradually return to atmospheric pressure).
  • the deformable movable wall 13 can be replaced by a movable wall such as a rigid piston connected to an actuation button arranged to move this piston so as to vary the volume of the chamber. 45.
  • the priming can comprise (preferably at the end of the cycle after the various other stages described above of the priming) the exertion of a force on the chamber 45, typically on the wall 13. This may for example allow a little more product 16 to enter the chamber 45 to ensure that the device 1 does not defuse subsequently.
  • this fourth embodiment comprises an assembly of the deformable chamber 45 and of the reservoir 3 so as to form the device 1 and implement the step of supplying the device 1.
  • the closing step is carried out during assembly of the deformable chamber 45 and of the reservoir 3, more precisely by plugging the opening 8 with the head 2.
  • this fourth embodiment comprises the priming step, during which the product 16 is brought from the reservoir 3 to the interior of the deformable chamber 45.
  • the amount of product which rises depends on the tightness of the chamber 45 and the level of depression in the chamber 45.
  • the figure 15 illustrates the minimum level of product ascent into chamber 45 (product 16 from reservoir 3 to between supply valve 4 and an internal wall (more exactly the supply seat) of chamber 45)).
  • the figure 16 illustrates a significant level of product rise in chamber 45: product 16 from reservoir 3 to the interior of deformable chamber 45, preferably so as to fill with product 16 at least 1% or even at least 5% of the product.
  • internal volume of the chamber 45 (that is to say at the level of the seat of the inlet valve 4), preferably so as to fill with product 16 at least 20% even at least 30% of the internal volume of the chamber 45 for example if the dispensing valve 5 is more hermetic and / or if the product 16 is not very viscous, preferably so as to fill 70% or entirely with product 16 the chamber 45 for example if in addition the depression is high.
  • the level of rise necessary for priming also depends on the nature of the product, a freeze in general requires less rise.
  • the priming step starts when the interior of the deformable chamber 45 is at the priming pressure (equal to the intermediate pressure) lower than the reference pressure, which considerably helps this priming.
  • the reservoir 3 is delimited at least in part by a movable wall 46 in contact with the space 15.
  • the priming step is carried out by increasing the gas pressure in the space 15 around the reservoir 3 from the priming pressure and at least up to the reference pressure (up to the reference pressure or above the reference pressure); this increase is implemented by opening the enclosure 18 in which the device 1 is located so as to bring gas 17 (for example air) into the space 15 around the reservoir 3.
  • gas 17 for example air
  • the distribution valve 5 is more airtight than the supply valve 4.
  • the leakage rate from the supply valve 4 is greater than 1 cm 3 / minute (typically for air at 20 ° C and at the vacuum in chamber 45 corresponding to the priming pressure, that is i.e. at the start of the priming step).
  • the leakage rate (typically for air at 20 ° C.) through the wall 13 is zero or almost zero.
  • the leakage rate (typically for air at 20 ° C.) through the valve 5 is zero or almost zero.
  • the outlet 6 is preferably plugged during the priming step, to prevent any entry of air through the outlet 6 to the chamber 45.
  • Each junction is for example maintained by clamping (for example between two clamping rings respectively 50 and 51 or 150 and 151) or by welding (for example by ultrasonic welding or overmolding or bi-injection).
  • the final state is shown on the figure 15 or 16 .
  • the enclosure (typically 18) in which the evacuation is carried out is provided with a vibrating support 49 on which the device (s) 1 rest (s).
  • the enclosure (typically 18) in which the evacuation is carried out is located along a conveyor and bordered by two removable doors 47 and 48.
  • the distributors 80 according to the invention have the head 2 at the bottom in the enclosure (the distribution valve 5 towards the ground) as illustrated figure 17 the vibrations are not necessary, the depression created in the enclosure will create a depression that is all the greater in the chamber 45 as the reservoir 3 is flexible, and can be deformed. This depression will suck the air into the pocket 45, at atmospheric pressure, the product near the valve 4 will enter the chamber 45.
  • the priming operation can be done outside the enclosure 18 at atmospheric pressure with a suction head 66 provided with a tool 55, however when removing the head 66, the valve 5 must be closed, therefore the tool 55 no longer acts on the valve 5 during the withdrawal and even a little before the withdrawal of the head 66.
  • figure 19 is another opposite variation.
  • figure 19 is another opposite variation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Claims (15)

  1. Verfahren zum Herstellen einer Produktausgabevorrichtung (1), umfassend:
    - einen Schritt des Befüllens, bei dem ein Vorratsbehälter mit Produkt befüllt wird,
    - das Bereitstellen einer Vorrichtung (1), die den Vorratsbehälter (3) aufweist, wobei der Vorratsbehälter mit einer verformbaren Kammer (45) verbunden und mit einer Einfüllöffnung (8) versehen ist, wobei das Innere der verformbaren Kammer zumindest teilweise von einer beweglichen Wand (13) begrenzt ist, deren Verlagerung eine Veränderung des Volumens der verformbaren Kammer bewirkt, und:
    ∘ vom Vorratsbehälter zumindest durch ein Zufuhrventil (4) getrennt ist und/oder
    ∘ von einem Auslass (6) der Vorrichtung zumindest durch ein Ausgabeventil (5) getrennt ist, dann
    - einen Schritt des Verschließens, bei dem die Einfüllöffnung verschlossen wird,
    - einen Schritt des Anlaufens, bei dem das Produkt aus dem
    Vorratsbehälters in das Innere der verformbaren Kammer geleitet wird, wobei das Verfahren dadurch gekennzeichnet ist, dass es die folgenden Schritte umfasst:
    - einen Schritt des Evakuierens, bei dem in der verformbaren Kammer ein Unterdruck in Bezug auf einen Referenzdruck erzeugt wird, und wobei die Schritte des Evakuierens, Befüllens und Bereitstellens so durchgeführt werden, dass in einem, "Zwischen"-Zustand genannten Zustand der Vorrichtung der Vorratsbehälter mit Produkt befüllt wird, während im Inneren der verformbaren Kammer ein Zwischendruck herrscht, der niedriger ist als der Referenzdruck.
  2. Verfahren nach Anspruch 1,
    dadurch gekennzeichnet, dass während des Schrittes des Evakuierens, bei dem in einer verformbaren Kammer ein Unterdruck in Bezug auf den Referenzdruck erzeugt wird, dieser Unterdruck zumindest 0,3 bar gegenüber dem Referenzdruck beträgt.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass während des Schrittes des Evakuierens, bei dem in einer verformbaren Kammer ein Unterdruck in Bezug auf den Referenzdruck erzeugt wird, dieser Unterdruck zumindest 0,5 bar gegenüber dem Referenzdruck beträgt.
  4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es das Folgende umfasst:
    - das Bereitstellen der Vorrichtung und dann, unabhängig von der Reihenfolge der folgenden Schritte:
    - den Schritt des Evakuierens,
    - den Schritt des Befüllens,
    - den Schritt des Verschließens.
  5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Referenzdruck gleich 1 bar ist.
  6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schritt des Anfahrens eine Erhöhung des Drucks um den Vorratsbehälter herum auf den Referenzdruck umfasst.
  7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schritt des Anfahrens beginnt, während im Inneren der verformbaren Kammer ein Anfahrdruck herrscht, der niedriger ist als der Referenzdruck.
  8. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslass während des Anfahrschritts verschlossen ist.
  9. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Zufuhrventil (4) eine Leckrate von über 1 cm3/ Minute für Luft bei 20°C aufweist.
  10. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass während des Anfahrschritts zumindest 5 % des Innenvolumens der Kammer (45) mit Produkt (16) befüllt werden.
  11. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass während des Anlaufschritts zumindest 30 % des Innenvolumens der Kammer (45) mit Produkt (16) befüllt werden.
  12. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Leckrate durch die bewegliche Wand (13) hindurch Null beträgt und/oder die Leckrate durch das Ausgabeventil (5) hindurch Null beträgt.
  13. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es sich bei der beweglichen Wand um eine verformbare Wand handelt.
  14. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Kammer (45) nur von gasundurchlässigen Wänden begrenzt ist und/oder aus einer Anordnung von verschiedenen Wänden besteht, wobei alle Verbindungsstellen dieser verschiedenen Wände für die Gesamtheit aller dieser Verbindungsstellen eine Leckrate von weniger als 1 cm3/Sekunde aufweisen.
  15. System zur Herstellung einer Produktausgabevorrichtung, die das Folgende aufweist:
    - Mittel zum Bereitstellen einer Vorrichtung, die einen Vorratsbehälter aufweist, wobei der Vorratsbehälter mit einer verformbaren Kammer verbunden und mit einer Einfüllöffnung versehen ist, wobei das Innere der verformbaren Kammer zumindest teilweise von einer beweglichen Wand begrenzt ist, deren Verlagerung eine Veränderung des Volumens der verformbaren Kammer bewirkt, und:
    ∘ vom Vorratsbehälter zumindest durch ein Zufuhrventil getrennt ist, und/oder
    ∘ von einem Auslass der Vorrichtung zumindest durch ein Ausgabeventil getrennt ist, zudem
    - Mittel zum Befüllen des Vorratsbehälters mit Produkt,
    - Verschlussmittel ( 12, 14), die dazu angeordnet sind, die Einfüllöffnung zu verschließen,
    - Anfahrmittel, die dazu angeordnet sind, Produkt aus dem
    Vorratsbehälter in das Innere der verformbaren Kammer zu leiten, wobei das System dadurch gekennzeichnet ist, dass es das Folgende enthält:
    - Evakuierungsmittel (26), die dazu angeordnet sind, in der verformbaren Kammer einen Unterdruck in Bezug auf einen Referenzdruck zu erzeugen, und dadurch, dass
    die Mittel zum Evakuieren, Befüllen und Bereitstellen so angeordnet sind, dass in einem genannten "Zwischen"-Zustand genannten Zustand der Vorrichtung der Vorratsbehälter mit Produkt befüllt ist, während im Inneren der verformbaren Kammer ein Zwischendruck herrscht, der niedriger ist als der Referenzdruck.
EP18704885.5A 2017-01-25 2018-01-25 Verfahren zur herstellung einer vorrichtung zur abgabe eines produkts Active EP3573891B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1750598A FR3062115B1 (fr) 2017-01-25 2017-01-25 Procede de fabrication d’un dispositif distributeur de produit
FR1800015A FR3062116A1 (fr) 2017-01-25 2018-01-08 Procede de fabrication d'un dispositif distributeur de produit
PCT/EP2018/051898 WO2018138230A1 (fr) 2017-01-25 2018-01-25 Procede de fabrication d'un dispositif distributeur de produit

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EP3573891B1 true EP3573891B1 (de) 2021-11-24

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EP (1) EP3573891B1 (de)
JP (1) JP7092773B2 (de)
KR (1) KR102505647B1 (de)
CN (1) CN110225864B (de)
FR (2) FR3062115B1 (de)
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FR3087360B1 (fr) 2018-10-19 2021-06-04 Promens Sa Procede de remplissage d'un reservoir d'un dispositif de distribution du type sans reprise d'air
FR3088223B1 (fr) * 2018-11-09 2021-08-06 Gb Dev Procédé de fabrication d'un dispositif distributeur de produit

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DE3248370A1 (de) * 1982-12-28 1984-07-05 Zyma GmbH, 8000 München Verfahren und vorrichtung zum vorfuellen einer pumpe
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JP7092773B2 (ja) 2022-06-28
RU2019123323A3 (de) 2021-06-01
JP2020505282A (ja) 2020-02-20
KR20190129033A (ko) 2019-11-19
KR102505647B1 (ko) 2023-03-08
RU2019123323A (ru) 2021-02-26
CN110225864A (zh) 2019-09-10
CN110225864B (zh) 2021-11-12
FR3062115B1 (fr) 2019-03-29
RU2765081C2 (ru) 2022-01-25
WO2018138230A1 (fr) 2018-08-02
FR3062116A1 (fr) 2018-07-27
US20190389606A1 (en) 2019-12-26
FR3062115A1 (fr) 2018-07-27
EP3573891A1 (de) 2019-12-04
BR112019015248A2 (pt) 2020-04-14
US11084606B2 (en) 2021-08-10

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