EP0743263B1 - Vorrichtung zur Aufnahme und Ausgabe von flüssigen oder pastösen Produkten - Google Patents

Vorrichtung zur Aufnahme und Ausgabe von flüssigen oder pastösen Produkten Download PDF

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Publication number
EP0743263B1
EP0743263B1 EP96401082A EP96401082A EP0743263B1 EP 0743263 B1 EP0743263 B1 EP 0743263B1 EP 96401082 A EP96401082 A EP 96401082A EP 96401082 A EP96401082 A EP 96401082A EP 0743263 B1 EP0743263 B1 EP 0743263B1
Authority
EP
European Patent Office
Prior art keywords
pouch
container
product
air
pocket
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
EP96401082A
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English (en)
French (fr)
Other versions
EP0743263A1 (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
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0743263A1 publication Critical patent/EP0743263A1/de
Application granted granted Critical
Publication of EP0743263B1 publication Critical patent/EP0743263B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • 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
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • B05B11/00446—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means the means being located at the bottom of the container or of an enclosure surrounding 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
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/027—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container inverted during outflow of content

Definitions

  • the present invention relates to packaging devices and dispensing a liquid or pasty product.
  • Devices comprising a container having a cylindrical body in which a piston can slide.
  • the latter delimits inside the container a space of variable volume containing the product.
  • the container is fitted with a pump for withdrawing product from said space.
  • the piston moves in the container in response to a start of product when the pump is activated, to keep the product stored protected from air in the container.
  • German utility model G 90 13 168 a device for packaging and dispensing a liquid product or pasty, comprising a container capable of containing said product, this container having a product outlet orifice, equipped with a pump comprising a valve capable of allowing the product to flow without air entering, the container further comprising a bottom wall consisting of a pocket delimiting inside the container a space containing said product, said pocket being capable of moving within the container in response to a product departure to reduce the volume of said space and maintain the product protected from air in the container.
  • the pocket is attached to a end at its periphery to the container and it is able to deform to decrease the volume of said space until it substantially matches the shape of inside the container.
  • the pocket is folded in on itself when the container is full of product and it gradually unfolds as as the product leaves.
  • the pocket is trapped inside the container by a rigid wall pierced with an orifice allowing reentry of air in the container, on the side of the side of the bag which is opposite to the product.
  • the device described in this German utility model is used with the pump down and not suitable for use with the pump in high because in this case there is a risk that the product will be retained in a cavity formed by the folds of the pocket and cannot be distributed by the pump.
  • the pocket could cover the opening of re-entry of air into the container and impede the proper functioning of the device.
  • a device for packaging and dispensing a liquid product or pasty comprising a container with a deformable wall capable of containing said product, this container having an outlet orifice fitted with a valve suitable for allowing product to flow without air entering, the container further comprising a pocket delimiting inside the container a space containing said product, said pocket being able to move in the container in response to a product outflow to decrease the volume said space and keep the stored product away from air in the container, this pocket being fixed at one end at its periphery to the container and being able to expand to reduce the volume of said space.
  • the bag fills air through a container orifice, fitted with a valve intended for avoid the air escaping from the pocket when pressing on the walls of the container to cause expulsion of the product.
  • the pocket being elastically deformable, it contains air which is in the state compressed.
  • the pocket is attached to the center of the bottom wall of the container. Of reliefs such as ribs are provided to communicate the lower and upper parts of the container when the pocket is swelling plate against the side wall of the container.
  • the object of the present invention is to propose a new device for packaging and dispensing a liquid product or pasty, of the type comprising a container capable of containing said product, this container with a product outlet orifice fitted with a pump comprising a valve capable of allowing product to flow without reentry air, the container further comprising a pocket delimiting inside of the container a space containing said product, said pocket being made in an elastically deformable material, being able to move in the container in response to a product outflow to decrease the volume said space and keep the stored product away from air in the container, said pocket being fixed at one end at its periphery to the container and being able to deform to reduce the volume of said space up to substantially match the shape of the interior of the container, which can be used with the pump above or the pump below and which allows to distribute almost all the product contained inside of the container.
  • the pocket constitutes the wall of bottom of container.
  • depression created in said space by the departure of the product causes the deformation of the pocket in the direction tending to decrease the volume of said space, up to the cancellation of said depression.
  • the pocket occupies advantageously, thanks to its elasticity, in its state of maximum expansion almost all of the volume initially occupied by the product, regardless of the shape of the container.
  • the invention thus allows a wide variety of shapes for the container, while the devices of the prior art with movable piston necessarily had to have a cylindrical body.
  • the pump is located in the upper part of the container during use.
  • the pocket is able to deploy at first without its wall tensing then in a second step to expand elastically.
  • said pocket can be deployed at first without that its wall is stretched to occupy more than half of the space initially occupied by the product, then in a second step, the pocket can expand elastically to occupy the remaining space freed by the product.
  • the pocket is able to expand elastically from a certain degree of emptying of the container, it has fewer folds when the container is full than the pockets of known devices which do not are not made of an elastic material; so the risks associated with blocking the air intake opening are diminished.
  • the pocket is internally provided with a lining in a material which is not elastically deformable but very impermeable to gases, said lining being able to deploy to accompany the deformation of the pocket until the wall of the latter tightens.
  • the pocket is slightly stretched when the container is full.
  • the pocket can be in the form of a membrane elastic substantially flat when the container is full.
  • This the latter can be substantially flat and shaped so that when empty, the bag has moved over a height relatively small, for example between 15 and 20 mm.
  • the device comprises sealing means capable of isolating the interior of the ambient air pocket, at least before the first use of the device.
  • sealing means constitute with the pocket a double sealing barrier favorable for long storage duration of the product contained in the container.
  • these means seal, when in place on the container, prevent pocket to inflate by air inlet and interfere with the operation of the pump used to withdraw the product.
  • the sealing means can thus advantageously serve as a witness to inviolability, in the extent to which their presence, intact, on the device indicates to the user that it could not be used previously from normal way.
  • FIGS. 1 and 2 show a device 1 for packaging and distribution of a liquid P cosmetic product or pasty, according to the invention.
  • a device 1 for packaging and distribution of a liquid P cosmetic product or pasty according to the invention.
  • This device 1 comprises a container 2 with a rigid wall, generally symmetrical of revolution in the example described, formed by the snap-fit assembly of a body 3 on a base 4.
  • the latter comprises an upper tubular skirt 5 provided at its free end of a flange 6 radially projecting towards the interior.
  • the body 3 is provided with a lower tubular wall 7, of external diameter adapted to engage in the tubular wall 5.
  • the tubular wall 7 is connected to the rest of the body 3 by a narrowing of section 8 defining an external annular groove in which the flange 6 engages at the end of the fixing by snapping of the body 3 on the base 4.
  • the latter comprises a skirt lower tubular 9, externally threaded, for screwing on a base known in itself and not shown.
  • the body 3 is closed at its upper part by a wall 15 having a neck 16 extending upwards, provided at its end upper of an annular rim 17 radially projecting towards outside.
  • a pump 18 known in itself and not described is attached to the neck 16.
  • This pump 18 includes a pusher 19 of product distribution, and it has a bottom cap 20 shaped to snap onto the annular rim 17 of the neck 16.
  • the pump 18 has a tube 21 for withdrawing the product P in container 2.
  • This tubing 21 is engaged in the opening of the neck 16 and extends by its lower end under the wall 15 in an interior space 23 of the container 2 containing the product P.
  • Lateral openings 24, whose role will be explained below, are formed at the lower end 22 of the pipe 21.
  • a cover 25 covers the neck 16 of the body 3.
  • This cover 25 fits on the body 3 as shown in Figures 1 and 2 up to abut by its lower edge against a shoulder 26 formed on the external surface of the body 3, and it is provided superiorly in its center of a passage for the pusher 19.
  • the device 1 comprises a pocket 28, having a certain elasticity and appearing in the example described in the form of a bellows in the folded state delimiting inside the container 2 two spaces one of which is constituted by the above-mentioned interior space 23, contains product P, and the other, inside the bellows, carries the reference 29.
  • the pocket 28 constitutes a deformable waterproof barrier separating spaces 23 and 29.
  • the interior space 29 communicates by the openings 11 with the outside when the closure means 14 are removed, as shown in Figure 2.
  • the pocket 28 is fixed at its lower end to its periphery to container 2, so that the inside of the bellows communicates via the openings 11 with the ambient air. More precisely, the wall 28 is pinched at its lower end than its periphery between the tubular skirts 5 of the base 4 and 7 of the body 3.
  • the base 4 has a lip annular 30 coaxial with the tubular skirt 5 and defining with this last an annular groove 31 into which the end engages lower of the tubular skirt 7 of the body 3.
  • the annular lip 30 improves the strength and tightness of the attachment of the pocket 28 on container 3 by pinching it against the surface radially internal of the tubular skirt 7.
  • the wall of the pocket 28 pinched between the body 3 and the base 4 constitutes a seal ensuring a hermetic mounting of the body 3 on the base 4. Good understood, it is not going beyond the scope of the present invention by fixing the pocket 28 at its lower end at its periphery to the body 3 alone or at the base 4 alone, for example by welding.
  • closure means 14 are presented in the example described in the form of a cap or suction cup comprising a central housing retained by friction on the fixing foot 12.
  • the wall radially delimiting this housing extends upwards by a sealing lip 32 extending obliquely radially towards the exterior and coming to be applied by its free end to the wall 10 around the openings 11 when the cap 14 is in place.
  • This the latter is advantageously provided at its lower end, as shown, a tab 33 facilitating its removal.
  • the vacuum is created in the interior space 29 before fitting the cap 14 by sucking the air through openings 11 using an appropriate device to cause folding in on itself of the pocket 28, as shown in the Figure 1.
  • the pocket 28 then occupies a reduced volume in the container 2.
  • the pocket 28 is folded back on itself by suction through the openings 11 while the pump 18 and the cover 25 is not yet in place on container 2.
  • container 2 is filled with product under vacuum by the neck 16 then the pump 18 is slammed on the latter and the cover 25 is attached.
  • the pocket 28 is integral with the base 4 alone.
  • the container 2 is filled before the base 4 is attached to the latter with the pocket 28 in the folded state.
  • the filling is then carried out from the bottom, with the pump 18 already in place on the body 3.
  • the base 4 provided with the pocket 28 kept in the folded state by the cap 14 is slammed on the body 3.
  • the pump 18 comprises a valve arranged in a manner known per se to allow product P to be taken up without re-entering the air through the tubing 21 in the container. if the user attempts to collect product P by pressing the pusher 19 while the cap 14 is still in place, the pump cannot function properly to distribute product.
  • the bag 28 can inflate in the container 2 to reduce the volume of the interior space 23, so that it cannot appear in the latter a depression opposing a product departure.
  • the pocket 28 deploys upwards according to the axis of symmetry of the container 2 as shown in Figure 2. The pocket 28 can inflate thanks to the air inlet inside this through the openings 11 to occupy all the volume in the container 2 which is released by the product P.
  • the pocket 28 is made of an elastic material deformable such as rubber or a thermoplastic elastomer. We can use a blow molding technique, injection or dip molding in particular.
  • the pocket 28 can also consist of an assembly of at least two layers of different plastics.
  • the pocket 28 can still have a variable thickness allowing to favor the expansion of areas chosen from the pocket.
  • the pocket 28 can be deployed to occupy up to approximately 80% of the volume initially occupied by the product P before its wall is stretched. It is then thanks to its elasticity as the wall of the pocket can stretch more so conform to the shape of the interior of the container and occupy the 20% of the initial volume remaining.
  • pocket 28 Given its attachment to the container at its periphery at its lower end, pocket 28, when it deforms elastically, is pressed first against the wall of the container 2 adjacent to the base 4. The pocket 28 then ensures by plating gradually on the container wall from bottom to top the ascent of the entire product P in the direction of the direct debit 21.
  • the pocket 28 is internally provided with a lining of a non-material elastically deformable but very impermeable to gases such as polyethylene.
  • the interior of the lining communicates with the air ambient through openings 11 and the lining can inflate to occupy a maximum of approximately 80% of the volume initially occupied by the product.
  • the pocket deforms thanks to its own elasticity to occupy the 20% of the initial volume remaining, with the appearance of a depression in the interval between the pocket and its lining.
  • FIGS. 3 and 4 show a device 40 according to a second embodiment of the invention.
  • the device 40 differs from the previous one mainly by the fact that a valve 41 is arranged in the air passage making communicating the interior space 29 and the exterior.
  • This valve 41 is shaped to allow air to enter the interior space 29 and prohibit an air outlet to the outside.
  • Valve 41 does not opens only when air enters the pocket 28 when this last expands and forms with it when it is at rest in the closed state a double sealing barrier, favorable to long-term storage of the product contained in the container.
  • the pocket 28 can, as in the previous embodiment, be swell until its wall tightens then deforms elastically to occupy, as shown in Figure 4, the almost all of the volume initially occupied by product P at distribute.
  • the valve 41 includes a membrane 42 applied to its periphery on the base 4 and able to deform elastically for free an orifice 43 for the passage of air towards the interior space 29.
  • the membrane 42 is applied to the base 4 by means of a piece of retainer 44 forming a tap, clicked on the base 4 with a possibility of rotation about the axis of symmetry of the container 2.
  • the membrane 42 has at its periphery an annular rim 45 engaged in an annular groove 46 of the retaining piece 44.
  • the base 4 is provided on its underside with an annular boss 47 pinching the membrane 42 at the base of the rim 45 to ensure maintenance waterproof membrane 42 at its periphery.
  • the membrane 42 has a part 47 of hemispherical shape whose concavity is turned upwards, extended below by a shutter finger 48 suitable for applying to the edges of the aforementioned orifice 43, formed on the retaining part 44.
  • the membrane 42 is shaped so that that the hemispherical part 47 is slightly pre-stressed at rest and elastically plate the closing finger 48 against the edges of orifice 43 to close it.
  • the valve is thus, in the absence of use of the device 40, in a position closing the passage, communicating the interior space 29 with the outside.
  • the base 4 and the retaining piece 44 constitute a valve closing, in a determined angular position of the workpiece retainer 44, the passage communicating the orifice 43 and the space interior 29.
  • the retaining part 44 comprises a part forming plug 49a engaged in a lower tubular extension 49b of the base 4.
  • the retaining piece 44 is turned so to close the air passage between the plug 49a and the part tubular 49b.
  • the interior 29 of the pocket 28 is thus isolated from outside for a good conservation of the product.
  • a film tearable can be fixed externally on two surfaces adjacent to the base 4 and the retaining piece 44 to serve as witness of inviolability. When said film is intact, the user knows that the inside of the pocket 28 has remained isolated from outside and that the normal operation of pump 18 has not been possible.
  • FIG. 5 shows a device 50 conforming to a third embodiment of the invention.
  • a tap 51 which can take two angular positions. In a first angular position, the valve 51 can authorize a air passage between the interior space 29 and the exterior and, in a second angular position, the valve isolates the interior space 29 from outside.
  • the base 4 has in its part lower a tubular wall 52 closed at its lower end 53 and traversed radially by a bore 54.
  • the tap 51 is retained by snap at 55 on the body 3 of the container 2 with a possibility of rotation about the latter's axis of symmetry. he has a housing 56 coming to engage closely on the wall tubular 52 of the base 4.
  • a through hole 57 opens at its radially innermost end in the housing 56 and can come, in said second position angle of the valve 51, opposite the bore 54 to establish a air passage with the latter and with the interior space 29.
  • the tap 51 is provided, as shown in FIG. 5, with a membrane 58 able to close the hole 57 before the first use of the device.
  • This membrane 58 is removably attached to the tap 51 and has a grip portion 59 allowing the user to remove it during the first use of the device.
  • the pocket 28 is folded back on itself, creating a vacuum in the interior space 29.
  • the membrane 58 advantageously plays the role of a valve when it is on tap 51 by deforming to allow the passage of air to the outside when putting under vacuum of the interior space 29 and by preventing the re-entry of air by reverse.
  • the operation of the device 50 is as follows. For the first use, the user positions the hole 57 of the tap 51 opposite the bore 54 of the base 4 and tears off the membrane 58. Removal of membrane 58 allows air to enter in the interior space 29. When the plunger 19 of the pump 18 is actuated, product P is taken from the interior space 23 and the pocket 28 deforms to compensate for the reduction in volume caused by the departure of product P. After use, to avoid on the one hand the flow of product P in the event of involuntary actuation of the pusher 19 and on the other hand improve the conservation of the product P, the user can close the hole 54 by turning the tap 51. The space interior 29 is then isolated from the exterior.
  • FIG. 6 Partially shown in FIG. 6 is a third exemplary embodiment of a device 60 according to the invention.
  • the device 60 comprises a tap 61 fitted with a first valve 62 authorizing in a first angular position of the valve 61 a air entering the interior space 29 and preventing the exit air from the latter.
  • the valve 62 used is of any type known in itself and has only been shown schematically. It includes a shutter 63 able to move in tap 61 between a closing position of a passage 64 making the outside communicate with the interior space 29, and a position allowing a air circulation in this passage 64 towards space inside 29.
  • the tap 61 is equipped with a second valve 65 allowing in a second angular position of the valve 61 a air outlet from interior space 29 and preventing reentry air in the latter.
  • the valve 65 is constituted by a membrane comprising a fixing part 66 integral with the tap 61. In the closed position, the valve 65 closes a channel 67 which extends radially in the tap 61 and which opens out at its radially innermost end into a housing 68 in which is engaged a tubular part 69 of the base 4. A end piece 70 is fixed in the tubular part 69.
  • This end piece 70 is traversed by a channel 71 opening at its upper end into the interior space 29 and opening at its lower end, at the favor of a bore 72 passing through the wall of the tubular part 69, outside of the latter.
  • the channel 67 is located opposite the bore 72.
  • the end piece 70 has one end crenellated upper, defining lateral openings 73 allowing air intake into the interior space 29 without risk closing the channel 71 by the pocket 28.
  • the tap 61 is fixed by snap in 74 on the base 4.
  • the tap 61 is positioned in said aforementioned second angular position and the vacuum is created in the interior space 29 by suction through channels 67 and 71.
  • the valve 65 opens and allows the air outlet. Once the vacuum in the interior space 29 valve 65 closes and prevents the entry of air into this space.
  • the tap can be rotated in an intermediate position between the two abovementioned angular positions, in which the bore 72 is closed by the wall of the housing 68 of the tap 61.
  • the valve 61 is rotated to position the passage 64 opposite the bore 72.
  • the valve 62 can open to allow air to enter the interior space 29.
  • the tap 61 is kept in this angular position during use of the device. It can be rotated again to isolate the space interior 29, during transport for example or for storage extended without use.
  • the pocket can be presented, as illustrated by FIG. 7, in the form of an elastic membrane 80 fixed at its periphery to the container wall, initially flat or slightly concave or convex towards the product, and able to deform elastically on a height of 15 to 20 mm for example to match the shape of the interior of the container in response to product departure.
  • the pocket has been represented in FIG. 7 by dotted lines in the position it occupies when the container is empty and in an intermediate position.
  • the pocket is almost stretched when the container is full and it no need to close the container at the bottom by a rigid wall intended to retain the pocket inside the container.
  • FIG. 7 a wall 82 closing the container at its lower end, pierced with an orifice 83 closed before use with a peelable film 84.
  • the wall 82 and peelable film 84 allow the bag to be isolated from ambient air 80 before use, for better conservation of the product.
  • the peelable film 84 is removed.
  • the peelable film could be replaced by a self-breaking pin.
  • the pocket may have a variable thickness so as to have more easily deformable areas than others, in order to favor one or more directions of deformation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Devices For Dispensing Beverages (AREA)

Claims (17)

  1. Vorrichtung zur Aufnahme bzw. zum Verpacken und Ausgabe bzw. Spenden eines flüssigen oder pastenartigen Produkts (P), mit einem Behälter (2), der dazu eingerichtet ist, das genannte Produkt aufzunehmen, wobei dieser Behälter eine Öffnung zum Austritt des Produkts aufweist, die mit einer Pumpe ausgestattet ist, die ein Ventil aufweist, das dazu eingerichtet ist, die Abgabe von Produkt ohne Wiedereintritt von Luft zu gestatten, der Behälter eine Tasche aufweist, die aus einem elastisch verformbaren Material gebildet ist und im Inneren des Behälters einen Hohlraum (23) umgrenzt, der das genannte Produkt enthält, die genannte Tasche imstande ist, sich im Behälter in Abhängigkeit von der Abgabe an Produkt zu verlagern, um das Volumen des genannten Hohlraums (23) zu verringern und das im Behälter gelagerte Produkt unter-Luftabschluß zu halten, und die genannte Tasche an einem Ende ihres Umfangs am Behälter befestigt ist und dazu eingerichtet ist, sich zu verformen, um das Volumen des genannten Hohlraums (23) zu verkleinern, bis sie sich im wesentlichen an die Innenform des Behälters anschmiegt, dadurch gekennzeichnet, daß die genannte Tasche die Bodenwand des Behälters bildet.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Pumpe während der Benutzung auf dem oberen Abschnitt des Behälters gelegen ist.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Tasche dazu eingerichtet ist, sich in einem ersten Schritt zu entfalten, ohne daß ihre Wand dann in einem zweiten Schritt die Neigung hat, sich elastisch auszuweiten.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die genannte Tasche dazu eingerichtet ist, sich in einem ersten Schritt zu entfalten, ohne daß die Wand die Neigung hat, mehr als die Hälfte des Raumes einzunehmen, der anfänglich vom Produkt eingenommen wurde, und daß die Tasche dann in einem zweiten Schritt dazu eingerichtet ist, sich elastisch zu dehnen, um den Raum einzunehmen, der vom Produkt freigegeben bleibt.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Tasche im Inneren mit einer Innenverkleidung aus einem elastisch nicht verformbaren, aber für Gas sehr undurchlässigem Material versehen ist, und daß die genannte Innenverkleidung dazu eingerichtet ist, sich zu entfalten, um die Verformung der Tasche zu begleiten, bis sich die Wand dieser letzgenannten spannt.
  6. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Tasche im wesentlichen gespannt ist, wenn der Behälter voll ist.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Tasche in Form einer im wesentlichen ebenen Membran vorliegt.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Behälter derart ausgebildet ist, daß sich, wenn er leer ist, die Tasche über eine Höhe von 15 bis 20 mm verlagert hat.
  9. Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß sie Absperrmittel (14: 41, 44; 51, 58; 61, 65) aufweist, die dazu eingerichtet sind, das Innere (29) der Tasche (28) von der Umgebungsluft mindestens vor der ersten Benutzung der Vorrichtung zu isolieren.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß sie ein Ventil (41; 62) aufweist, das in einer Lüfungsöffnung angeordnet ist, die eine Verbindung des Inneren (29) der Tasche (28) mit der Außenseite herstellt, und daß dieses Ventil so ausgebildet ist, daß es einen Eintritt von Luft in die Tasche gestattet und einen Austritt von Luft nach außen unterbindet.
  11. Vorrichtung nach einem der Ansprüche 9 und 10, dadurch gekennzeichnet, daß die genannte Tasche (28) vor der Benutzung der Vorrichtung durch Ansaugen der Luft, die im Inneren (29) der Tasche enthalten ist, auf sich selbst umgefaltet wurde.
  12. Vorrichtung nach irgendeinem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß die genannten Tasche (28) in umgefaltetem Zustand die Form eines Balgens aufweist.
  13. Vorrichtung nach irgendeinem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß die genannten Absperrmittel ein Hahnventil (44; 53: 61) mit mindestens zwei Stellungen aufweisen, das derart ausgebildet ist, daß das Hahnventil in einer der Stellungen den Lufteintritt in die Tasche (28) unterbindet und das Hahnventil in der anderen Stellung den Eintritt von Luft in die Tasche (28) gestattet.
  14. Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß das genannte Hahnventil (61) mit einem Lufteinlaßventil (62) ausgestattet ist, das in einer ersten Lage des Hahnventils einen Lufteintritt in die Tasche gestattet und den Luftaustritt aus dieser unterbindet, und mit einem Luftauslaßventil (65), das in einer zweiten Lage des Hahnventils einen Luftaustritt aus der Tasche gestattet und den Lufteintritt in diese unterbindet.
  15. Vorrichtung nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die genannten Absperrmittel eine abnehmbare Membran (14: 58) aufweisen.
  16. Vorrichtung nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die genannte Tasche (28) fest bzw. einstückig mit einem Sockel (4) zur Befestigung am Körper (3) des Behälters durch Einrastung verbunden ist.
  17. Vorrichtung nach irgendeinem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die genannte Tasche eine derart variable Dicke aufweist, daß sie Zonen aufweist, die leichter verformbar sind als andere, um eine oder mehrere Verformungsrichtungen zu bevorzugen.
EP96401082A 1995-05-17 1996-05-17 Vorrichtung zur Aufnahme und Ausgabe von flüssigen oder pastösen Produkten Expired - Lifetime EP0743263B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9505845A FR2734247B1 (fr) 1995-05-17 1995-05-17 Dispositif de conditionnement et de distribution d'un produit liquide ou pateux
FR9505845 1995-05-17

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EP0743263A1 EP0743263A1 (de) 1996-11-20
EP0743263B1 true EP0743263B1 (de) 2000-01-19

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US (1) US5772079A (de)
EP (1) EP0743263B1 (de)
JP (2) JPH08318979A (de)
DE (1) DE69606221T2 (de)
ES (1) ES2143728T3 (de)
FR (1) FR2734247B1 (de)

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US7861750B2 (en) 2003-05-12 2011-01-04 Medical Instill Technologies, Inc. Dispenser and apparatus and method of filling a dispenser
US8240934B2 (en) 2003-07-17 2012-08-14 Medical Instill Technologies, Inc. Dispenser with one-way valve for storing and dispensing substances
US8240521B2 (en) 2000-10-23 2012-08-14 Medical Instill Technologies, Inc. Fluid dispenser having a one-way valve, pump, variable-volume storage chamber, and a needle penetrable and laser resealable portion
US8348104B2 (en) 2006-09-08 2013-01-08 Medical Instill Technologies, Inc. Apparatus for dispensing fluids
US8376189B2 (en) 2010-05-07 2013-02-19 Alps Llc Dispensing machine valve and method
US8672195B2 (en) 2002-08-13 2014-03-18 Medical Instill Technologies, Inc. Device with chamber and first and second valves in communication therewith, and related method
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US8220507B2 (en) 2001-10-16 2012-07-17 Medical Instill Technologies, Inc. Dispenser and method for storing and dispensing sterile product
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US7850051B2 (en) 2004-12-04 2010-12-14 Medical Instill Technologies, Inc. Apparatus having one-way valve
US7810677B2 (en) 2004-12-04 2010-10-12 Medical Instill Technologies, Inc. One-way valve and apparatus and method of using the valve
US7798185B2 (en) 2005-08-01 2010-09-21 Medical Instill Technologies, Inc. Dispenser and method for storing and dispensing sterile food product
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US8348104B2 (en) 2006-09-08 2013-01-08 Medical Instill Technologies, Inc. Apparatus for dispensing fluids
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US8910833B2 (en) 2010-05-07 2014-12-16 Alps, Llc Dispensing machine valve and method
US9423041B2 (en) 2010-05-07 2016-08-23 Alps Llc Dispensing machine valve and method

Also Published As

Publication number Publication date
ES2143728T3 (es) 2000-05-16
EP0743263A1 (de) 1996-11-20
JPH08318979A (ja) 1996-12-03
FR2734247A1 (fr) 1996-11-22
DE69606221D1 (de) 2000-02-24
FR2734247B1 (fr) 1997-06-27
US5772079A (en) 1998-06-30
DE69606221T2 (de) 2000-09-28
JP2005206255A (ja) 2005-08-04

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