EP1412263B1 - Flexible patrone für flüssigkeiten - Google Patents

Flexible patrone für flüssigkeiten Download PDF

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Publication number
EP1412263B1
EP1412263B1 EP02772468A EP02772468A EP1412263B1 EP 1412263 B1 EP1412263 B1 EP 1412263B1 EP 02772468 A EP02772468 A EP 02772468A EP 02772468 A EP02772468 A EP 02772468A EP 1412263 B1 EP1412263 B1 EP 1412263B1
Authority
EP
European Patent Office
Prior art keywords
pouch
flanges
sheet
plastic
metal
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
EP02772468A
Other languages
English (en)
French (fr)
Other versions
EP1412263A1 (de
Inventor
Patrice Puviland
Laurent Arghyris
Jean-Philippe Taberlet
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.)
Lablabo SA
Original Assignee
Lablabo 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
Application filed by Lablabo SA filed Critical Lablabo SA
Publication of EP1412263A1 publication Critical patent/EP1412263A1/de
Application granted granted Critical
Publication of EP1412263B1 publication Critical patent/EP1412263B1/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
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated
    • B65D83/62—Contents and propellant separated by membrane, bag, or the like
    • 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
    • B05B11/10—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

Definitions

  • the present invention relates to a device for packaging and dispensing fluid, and more particularly to a new device for packaging and dispensing fluid, liquid or pasty product, of the type comprising a flexible bag placed in a rigid container, associated with a pump or a valve, ensuring the storage of the fluid product in the absence of air and its distribution in good conditions of efficiency.
  • Container-type fluid dispensing and dispensing devices are well known. These devices generally comprise a rigid-shell container in which is placed a retractable flexible bag, which retracts as the product is extracted.
  • the expulsion of the product out of the bag can be obtained by means of an "airless" pump or without air intake, or under the pressure of a propellant gas acting in the bottle on the wall of the bag.
  • a vent is provided, generally in the bottom or in the neck of the bottle, to allow the outside air to penetrate in the space between the bottle and the bag with each actuation of the pump and thus allow the bag to retract while maintaining a sufficient pressure on its walls.
  • An embodiment according to this technique is described in the patent FR 2.723.356 relating to a device comprising a flexible plastic bag, such as polyethylene or polypropylene, in a rigid container whose neck has an air inlet.
  • the difficulties encountered in this technique are often related to the folds that can form the wall of the bag during its retraction, which can limit the efficiency of the fluid distribution by forming product retention volumes, and the difficulty of ensure a satisfactory seal of the pocket to preserve the integrity of the product contained therein.
  • the products contained in the bags are often sensitive to oxidation under the action of oxygen in the air and can degrade if air is introduced into the pocket. Sealing defects are often encountered at the junction of the bag and the pump. They can also result from a certain porosity of the materials used for the realization of the pocket.
  • the folds formed by the wall of the bag during its retraction may cause tears likely to let air which then reaches the product in the pocket.
  • a pocket bottle is described in the patent FR 2.770.834 , which relates to a device for preventing the piercing and tearing of the bag during its emptying.
  • the bag made of flexible material such as plastic or aluminum foil, contains a free float preventing excessive shrinkage of the bag and thus limiting the risk of tearing.
  • the aluminum bags are made in the form of superimposed sheets, welded by their edge, generally adapting to a neck or a rigid ring connecting the pump, or the valve, and the rigid container.
  • the manufacture of such pockets is relatively simple, and various mentions and drawings can be printed easily, but this system has the disadvantage that the sheet, before filling, has a flattened shape, requiring the use of complex tools specially adapted to introduce the product. Filling operations generally involve having to first empty the ladle before proceeding to a partial filling, then to operate in a last step under neutral gas.
  • Plastic bags for example polyethylene or polypropylene as described in the patent application WO 97.09124 , make it possible to simplify the operation of filling the bag, but do not guarantee a satisfactory seal that may be suitable for packaging very fragile products degrading in contact with the air. Or extrusion techniques or extrusion blow molding used for the manufacture of such plastic bags are totally unsuitable for pockets with one or more metal sheets. In addition, it is difficult to obtain and maintain a good seal of the edges of the metal foils, for example aluminum because of the deformations and the tensions to which they are subjected during use.
  • the present invention specifically relates to a device for packaging and dispensing fluid, liquid or pasty product, of the type comprising a sealed flexible bag placed in a rigid container, associated with a pump or a valve, ensuring a very good ease of filling pocket without the need for complex or specially adapted tools.
  • the invention also relates to a device for packaging and dispensing fluid product of the type comprising a sealed flexible pouch placed in a rigid container, ensuring perfect packaging of the product by means of an excellent seal of the bag.
  • the fluid product conditioning and dispensing device is of the type comprising a sealed flexible bag placed in a rigid container, associated with a pump or a valve, and is distinguished in that the bag comprises a cylindrical wall constituted by at least one metal sheet or plastic sheet wound in a cylinder whose edges have flanges, the bag being as defined in claim 1.
  • the cylindrical pocket comprises a multilayer complex associating several metal films or a metal film, preferably aluminum, coated with a plastic film on at least one of its faces.
  • This multilayer complex is wound on two flanges made of metal or plastic.
  • a particularly advantageous embodiment comprises an aluminum sheet interposed between two plastic films.
  • the plastic films used in the multilayer complexes may be selected from polyethylene, polypropylene, polyamide, and the like.
  • the multilayer sheet is fixed by its edges to the periphery of each flange, and closed along a generatrix of the cylinder.
  • Such multilayer composite coating is particularly useful when a tight seal is essential, or when the nature of the product in the pocket requires.
  • an aluminum foil wound on two metal or plastic flanges may be used, two opposite edges of the sheet being welded to one another along a generatrix of the cylinder.
  • the multilayer film is a plastic / barrier polymer / plastic material complex, and for example an EVOH film interposed between two polyethylene or polypropylene films.
  • EVOH is an ethylene vinyl alcohol polymer with good gas barrier properties, particularly oxygen and water vapor.
  • the metal sheet, or the multilayer sheet is fixed on the periphery of each of the two flanges, preferably by gluing or welding, depending on the nature of the material used for the flanges.
  • One of the two flanges forms a solid disc and constitutes the bottom of the pocket, while the other has an opening and serves as a fixing ring, on the one hand to the rigid bottle, on the other hand to the pump or the valve used for the extraction of the product contained in the pocket.
  • the opening in the flange ring is preferably axial, but it can be deported, depending on the shape of the cylinder and the desired effects.
  • the cylinder formed by the metal sheet, or the multilayer complex, and the two flanges is preferably a straight cylinder with a circular section, the flanges then being in the form of circular disks, but other shapes can be produced without difficulty, and by for example, the flanges may have an elliptical shape, or any continuous or polygonal shape, depending on the desired aesthetic effect or imposed by the shape of the rigid bottle.
  • the two flanges preferably have the same shape to facilitate the attachment of the metal sheet, but where appropriate they may have a different shape, or a homothetic shape.
  • the flanges may be metal or made of plastic, for example by molding. he is also it is possible to give the flange forming the bottom a recessed shape at its center, the flange then having a toric shape, whose central opening can be closed by the film of the cylindrical wall, or another film.
  • the manufacture of the cylindrical pocket is carried out by means of a conventional apparatus for winding a metal sheet, plastic or multilayer, by its edges on the periphery of the two flanges held on the same axis one in front of the other.
  • the sheet is cut to the desired length, corresponding to the circumference of the flanges increased by a length sufficient to allow closure by edge-to-edge welding, after gluing the side edges to the periphery of the flanges.
  • the pocket bottle according to the present invention has the advantage of being easily filled without the need for complex tools, unlike conventional aluminum bags. According to the present invention, the filling can be carried out with standard tools, by simple gravity, which ensures a very good regularity of filling. In addition, the great freedom of shape of the pocket makes it easy to adapt it to rigid bottles of various shapes.
  • the rate of return of the product that is to say the ratio between the volume of product introduced into the bag during filling and the volume extracted during use , is excellent, superior to 90%, and superior to that generally obtained with conventional flat pockets.
  • the pouch Due to its cylindrical shape resting on the two rigid flanges, during its use and extraction of the product contained therein, the pouch does not crease as in the case of flat aluminum pouches, but retracts regularly, limiting the risk of cracking or tearing. In addition, the number of welds is limited compared to a conventional aluminum pocket, and the reliability of the pocket is improved.
  • the bag can be assembled to the bottle without prior folding, and therefore without risk of deterioration of its sealing qualities.
  • the assembly of the bag in the bottle can be performed at high rates.
  • the pocket (1) shown on the Figure 1 comprises a cylindrical wall (2) constituted by an aluminum sheet wound on the two flanges (3) and (4).
  • the lower flange (3) has the form of a solid disc (5) with a raised edge forming an annular surface (6) on which is fixed the edge of the sheet (2) by gluing.
  • the upper flange (4) has the shape of a ring traversed at its center by an orifice (7) and having a raised edge forming an annular surface (8) on which is glued the other edge of the sheet (2), limited by a rim (9) of diameter slightly greater than that of the cylindrical wall (2).
  • the two edges (2 ', 2 ") of the aluminum foil (2), cut to the desired length, are welded to one another along a generatrix of the cylinder, after bonding the two side edges (2a , 2b) on the annular surfaces, (6) and (8) respectively, flanges.
  • the bag (1) is introduced into a cylindrical bottle (10) as shown in FIG. Figure 4 .
  • the edge (9) of the ring (4) is snapped into a groove (11) formed in the inner surface of the wall (12) of the rigid bottle.
  • a pump (13) completed by a pusher (14) is sealingly mounted on the neck of the pocket (1).
  • the seal can be provided in the usual manner, for example by means of an annular seal (15).
  • a pressure on the pusher (14) causes the output of a dose by the nozzle (16), causing a retraction of the bag (1).
  • a vent in the bottle allows the outside air to enter the volume between the vial (10) and the pocket (1) and the pocket to retract as the pusher is actuated. (14).
  • the pocket used in the device of the Figure 4 comprises a flange (3) whose bottom is recessed, the opening being masked by an aluminum sheet (17) improving the flexibility of the pocket (1).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bag Frames (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (10)

  1. Vorrichtung zur Verpackung und Ausgabe eines Flüssigprodukts, wobei die Vorrichtung einen dichten flexiblen Beutel umfasst, der in einem starren Behälter angeordnet ist und mit einer Pumpe oder einem Ventil verbunden ist, wobei der Beutel (1) eine zylinderförmige Wand (2) umfasst, die aus zumindest einer Metallfolie oder einem zu einem Zylinder eingerollten Kunststoffmaterial besteht, wobei ein Rand des Zylinders abdichtend an einem Flansch (4) befestigt ist und einen Ring zur Befestigung an dem Behälter und der Pumpe oder dem Ventil bildet, und dadurch gekennzeichnet, dass der andere Rand abdichtend an einem Flansch befestigt ist, der den Boden des Beutels bildet.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der zylinderförmige Beutel (1) eine auf zwei Metall- oder Kunststoffflanschen aufgerollte Aluminiumfolie umfasst, wobei zwei entgegengesetzte Ränder (2', 2") der Aluminiumfolie der Mantellinie eines Zylinders folgend aufeinander geschweißt sind.
  3. Vorrichtung nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die zylinderförmige Wand (2) des Beutels aus einer Aluminiumfolie besteht.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die zylinderförmige Wand (2) des Beutels aus einer mehrschichtigen Folie besteht, die aus mehreren Metallfilmen oder einem auf zumindest einer seiner Oberflächen mit einem Kunststofffilm beschichteten Metallfilm besteht.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die in den mehrschichtigen Komplexen verwendeten Kunststofffilme aus Polyethylen, Polypropylen und Polyamid ausgewählt sind.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Flansche (3, 4) die Form einer kreisförmigen Scheibe aufweisen.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Flansche (3, 4) eine elliptische oder polygonale Form aufweisen.
  8. Vorrichtung nach einem der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass die beiden Flansche (3, 4) dieselbe Form aufweisen.
  9. Vorrichtung nach einem der Ansprüche 1 bis7, dadurch gekennzeichnet, dass die Flansche (3, 4) verschiedene Formen aufweisen.
  10. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Flansch (3), der den Boden bildet, eine Form mit durchbrochenem Zentrum aufweist, wobei die zentrale Öffnung durch den Film der zylinderförmigen Wand oder einen anderen Film verschlossen wird.
EP02772468A 2001-07-30 2002-07-29 Flexible patrone für flüssigkeiten Expired - Lifetime EP1412263B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0110193A FR2827844B1 (fr) 2001-07-30 2001-07-30 Dispositif a recipient rigide et poche cylindrique souple pour le conditionnement de fluides
FR0110193 2001-07-30
PCT/FR2002/002721 WO2003011713A1 (fr) 2001-07-30 2002-07-29 Dispositif a recipient rigide et poche cylindrique souple pour le conditionnement de fluides.

Publications (2)

Publication Number Publication Date
EP1412263A1 EP1412263A1 (de) 2004-04-28
EP1412263B1 true EP1412263B1 (de) 2010-03-31

Family

ID=8866083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02772468A Expired - Lifetime EP1412263B1 (de) 2001-07-30 2002-07-29 Flexible patrone für flüssigkeiten

Country Status (8)

Country Link
EP (1) EP1412263B1 (de)
AT (1) ATE462658T1 (de)
DE (1) DE60235815D1 (de)
DK (1) DK1412263T3 (de)
ES (1) ES2343109T3 (de)
FR (1) FR2827844B1 (de)
PT (1) PT1412263E (de)
WO (1) WO2003011713A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2944780B1 (fr) * 2009-04-28 2011-06-10 Lablabo Dispositif de conditionnement et de distribution du type flacon-poche.
FR3008078B1 (fr) * 2013-07-08 2016-04-01 Lablabo Dispositif a recipient rigide et poche cylindrique souple pour le conditionnement de fluides.
EP3936457A1 (de) 2016-12-22 2022-01-12 Unilever IP Holdings B.V. Ein fitting zum kombinieren mit einem verschluss
IT201700082234A1 (it) * 2017-07-19 2019-01-19 Lumson Spa Dispositivo di erogazione di una sostanza fluida
FR3104554B1 (fr) 2019-12-17 2021-12-17 Linkedtech Enveloppe sécurisée pour réservoir à pompe doseuse de dispense fluidique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2723356B1 (fr) 1994-08-08 1996-10-18 Innovation Rech Plastique Sa Dispositif de conditionnement d'un produit avec pompe manuelle de distribution en doses unitaires
FR2738222B1 (fr) 1995-09-05 1997-11-07 Labcatal Flacon de distribution de fluide comprenant une poche souple et procede de fabrication
GB9524628D0 (en) * 1995-12-01 1996-01-31 Metal Box Plc "Containers"
FR2770834B1 (fr) 1997-11-13 2000-01-14 Oreal Dispositif de conditionnement et de distribution d'un produit fluide

Also Published As

Publication number Publication date
EP1412263A1 (de) 2004-04-28
FR2827844B1 (fr) 2003-10-10
FR2827844A1 (fr) 2003-01-31
PT1412263E (pt) 2010-06-29
ATE462658T1 (de) 2010-04-15
DE60235815D1 (de) 2010-05-12
DK1412263T3 (da) 2010-06-21
WO2003011713A1 (fr) 2003-02-13
ES2343109T3 (es) 2010-07-23

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