EP0582517B1 - Austragsvorrichtung für Medien und deren Herstellungsverfahren - Google Patents

Austragsvorrichtung für Medien und deren Herstellungsverfahren Download PDF

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Publication number
EP0582517B1
EP0582517B1 EP93402003A EP93402003A EP0582517B1 EP 0582517 B1 EP0582517 B1 EP 0582517B1 EP 93402003 A EP93402003 A EP 93402003A EP 93402003 A EP93402003 A EP 93402003A EP 0582517 B1 EP0582517 B1 EP 0582517B1
Authority
EP
European Patent Office
Prior art keywords
tank
envelope
outer envelope
pump
closed
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
EP93402003A
Other languages
English (en)
French (fr)
Other versions
EP0582517A3 (de
EP0582517A2 (de
Inventor
Claude Jouillat
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.)
Aptar France SAS
Original Assignee
Societe Technique de Pulverisation SA STEP
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 Societe Technique de Pulverisation SA STEP filed Critical Societe Technique de Pulverisation SA STEP
Publication of EP0582517A2 publication Critical patent/EP0582517A2/de
Publication of EP0582517A3 publication Critical patent/EP0582517A3/xx
Application granted granted Critical
Publication of EP0582517B1 publication Critical patent/EP0582517B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B11/01—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

Definitions

  • the present invention relates to a fluid dispenser, and its manufacturing process.
  • Patent EP 0 251 863 filed in 1987 by the company VALOIS teaches to associate them with a reservoir of deformable product such as for example a plastic tube.
  • a reservoir of deformable product such as for example a plastic tube.
  • the emission of the dose caused by the actuation of the pump is accompanied by a corresponding flattening of the tube, under the combined effect of the atmospheric pressure prevailing around the deformable reservoir and the depression created by the pump. inside the deformable tank.
  • This type of distributor has other advantages.
  • the product can be stored in the tank away from air, which eliminates the risks of its oxidation or contamination.
  • the dispenser also works regardless of its position relative to the vertical.
  • Distributors are also known having a double-walled tank with a flexible internal wall and a rigid external wall, which are produced by co-extrusion blow-molding of the two walls, and welding by simultaneous pinching of the bottom of the two walls, the welding of the rigid outer wall being non-airtight to allow the entry of air between the two walls.
  • Such a distributor must be produced according to a very delicate process to master, since the two walls must not be welded to each other during blowing, and the welding of the bottom of the external wall is not waterproof while the weld at the bottom of the internal wall must be waterproof.
  • the materials that can be used for the inner and outer walls are very limited.
  • the co-extrusion process generally involves blowing air between the two walls after they have been put in place. shape to peel them off from each other: this increases the cost of implementing the process.
  • Document EP-A-0 486 355 discloses a dispenser provided with a dispensing pump mounted on a reservoir formed by an inner flexible bag welded at its lower end and containing the product to be dispensed, and a rigid shell surrounding the flexible pocket.
  • the present invention relates to a fluid dispenser comprising a pump without air intake, mounted in leaktight manner on a deformable reservoir, and an outer envelope which surrounds the deformable reservoir and which retains a shape suitable for gripping throughout the duration of use of the dispenser, said outer envelope defining an interior volume which communicates with the atmosphere by at least one air passage, the deformable reservoir being a flexible tube which extends between a first end forming a bottom and a second end secured to the pump, characterized in that the outer casing is a flexible tube extending between a first end close to the bottom of the reservoir, and a second end in mechanical connection with the second end of the deformable reservoir, the first end of the outer casing being closed by pinching.
  • the outer envelope may be transparent and / or bear signs.
  • the device according to the invention comprises a deformable inner tube 20, and a flexible outer tube 30.
  • the two tubes 20 and 30 are concentric, as can be seen in FIG. 1a.
  • the tube 20 can be made of single or multi-layer plastic material, of metal, in particular of low aluminum thickness, or in multilayer material with one or more layers of metal (aluminum for example) and one or more layers of plastic.
  • the inner tube 20 is preferably plastically deformable, that is to say without shape memory or with a weak shape memory, but the invention is not limited as to the mode of deformation of the tube 20, provided that it can be flattened under the effect of the suction of the pump 10.
  • the outer tube 30 can be made of any flexible material, for example in a plastic material such as polyethylene.
  • the tubes 20 and 30 each extend between a lower end, 20a and 30a respectively, and an upper extremity, 20b and 30b respectively.
  • the terms "lower” and “upper”, as used herein, are not limiting, but only indicate the position of the ends in Figures 1 and 2, for clarity.
  • the tubes 20 and 30 are welded together by pinching at their lower ends 20a and 30a, thereby forming a bottom 33 of the tank.
  • the upper end 20a of the inner tube 30 has a more rigid end piece 21.
  • the end piece 21 can be formed in one piece with the tube 20, the rigidity of the end piece being simply obtained by a greater thickness of material.
  • the end piece 21 can also be an insert on the tube 20 by welding or a molded part at the upper end 20a of the tube 20, the tube 20 can then be simply obtained by extruding a tube and cutting this tube to predetermined intervals before attachment to the end piece 21.
  • a push button 40 is in this embodiment engaged by means of an inner sleeve 42 on the rod 12 for actuating the pump 10. It may include a lateral outlet 43 while its lateral wall 41 is for example adapted to slide inside the nozzle 21.
  • the pump could be tightly fixed to the nozzle 21 by any other known means: force fitting, crimping, overmolding of the nozzle 21 on the pump body, etc. ..
  • the upper end 30a of the outer tube 30 has a relatively rigid neck 31 which throttles the tube.
  • Figure 3 shows in more detail this neck 31 and the way in which it collaborates with the end piece 21. It simply applies to the lower shoulder of this end piece 21, enclosing the latter.
  • the connection thus produced is not leaktight and leaves an air passage 36. This keeps the intermediate space 32 between the two tubes at atmospheric pressure. Therefore, it is possible to dispense the product 22 contained in the inner tube 20 by actuation of the pump. This determines each time an additional flattening of the inner tube 20 which takes the typical shape shown in particular in Figures 2 and 1a.
  • the outer tube 30 does not undergo this deformation. It keeps from one end to the other of the use of the dispenser a bulging shape, better suited to gripping.
  • the outer tube 30 with its neck 31 is manufactured separately. It is advantageously made of polyethylene which is flexible enough to lend itself to the pinching necessary for welding the bottom 33, but also rigid enough to offer a good grip to the user. In some cases, it may be advantageous to keep a translucent or transparent polyethylene in order to allow, for example, the verification of the quantity of product remaining in the inner tube 20. In other cases, on the contrary, the outer tube 30 preferably carries signs (brand reproduction, decoration etc.). Therefore, the method for applying these signs can be chosen without fear of damaging the pump in particular. In addition, the screen printing methods commonly used for decorating tubes have a fairly high reject rate which can reach 6%. By performing the screen printing on the outer tube 30, it avoids throwing 6% of the pumps mounted on the inner tubes 20, which represents a significant gain.
  • the neck 31 can be urged against the shoulder 21a during welding, in order to create a prestress which promotes an assembly without play of the two tubes 20 and 30.
  • the respective ends 20a and 30a of the tubes 20 and 30 can be welded separately. This can be advantageous in particular if the welding conditions of the two tubes 20 and 30 are too different, preventing them from being welded together by pinching.
  • a wider variety of materials can be used for the tubes 20 and 30.
  • a bottom 33b is first welded to the end 20a of the inner tube 20 and then a bottom 33a is welded to the end 30a of the outer tube 30.
  • the bottom 33a is welded in the immediate vicinity of the bottom 33b, to avoid play in the assembly between the tubes 20 and 30.
  • the neck 31 can be urged against the shoulder 21a during welding of the bottom 33a, in order to create a prestress which favors an assembly without play of the two tubes 20 and 30.
  • the tubes 20 and 30 are integral with the end piece 21 by their respective ends 20b and 30b.
  • the tubes 20 and 30 can be formed in one piece with the end piece 21, or they can be fixed to the end piece 21: for example, the ends 20b and 30b can be fixed to the end piece 21 by welding, or the end piece 21 can be molded onto the ends 20b and 30b.
  • the ends 20a and 30a can be welded together or separately, as seen previously.
  • an air inlet orifice 34 is drilled in the outer tube 30.
  • a needle is introduced into the end 30a of the tube 30, outside the tube 20, before the bottom 33 is welded. When welding, the two pinched edges of the end 30a are not welded together at the location of the needle. After withdrawal of the needle, there remains an orifice 32 for air intake.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)

Claims (15)

  1. Abgabevorrichtung für ein Fluid, die eine keine Luft ansaugende Pumpe (10) umfaßt, die in dichter Weise auf einem verformbaren Behälter (20) montiert ist, sowie eine Außenhülle (30), die den verformbaren Behälter (20) umschließt und eine während der gesamten Nutzungsdauer der Abgabevorrichtung für das Ergreifen geeignete Form beibehält, wobei die Außenhülle (30) ein Innenvolumen umschließt, das mit der Atmosphäre durch wenigstens einen Luftdurchgang (34, 35, 36) in Verbindung steht, wobei der verformbare Behälter eine elastische Tube (20) ist, die sich zwischen einem ersten Ende (20a), das durch Zusammenquetschen zur Bildung eines Bodens (33, 33b) verschlossen ist, und einem zweiten, mit der Pumpe (10) fest verbundenen Ende (20b) erstreckt, dadurch gekennzeichnet, daß die Außenhülle ein flexibles Rohr ist, das sich zwischen einem ersten Ende (30a) in der Nähe des Bodens (33, 33b) des Behälters und einem zweiten Ende (30b) in mechanischer Verbindung mit dem zweiten Ende des verformbaren Behälters (20) erstreckt, wobei das erste Ende (30a) der Außenhülle durch Zusammenquetschen verschlossen ist.
  2. Vorrichtung nach Anspruch 1, bei der das erste Ende (30a) der Außenhülle durch Zusammenquetschen verschweißt ist.
  3. Vorrichtung nach Anspruch 1 oder 2, bei der die Außenhülle aus einem Material hergestellt ist, das ein ausreichendes Gedächtnis für die elastische Form besitzt, daß diese Hülle ihre Anfangsform wieder annimmt, nachdem sie durch das Ergreifen durch einen Verwender verformt worden ist.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, bei der das zweite Ende (20b) des verformbaren Behälters (20) mit einem Ansatz (21) fest verbunden ist, der im wesentlichen steif ist und in dem die Pumpe (10) montiert ist, wobei der Ansatz (21) wenigstens eine Außenschulter (21a) besitzt und das zweite Ende (30b) der Außenhülle (30) einen mit dieser Schulter (21a) in Eingriff stehenden Hals (31) umfaßt.
  5. Vorrichtung nach Anspruch 4, bei der der Luftdurchgang (36) zwischen dem Hals (31) und der Schulter (21a) angeordnet ist, die miteinander in nicht dichtender Berührung stehen.
  6. Vorrichtung nach einem der Ansprüche 1 bis 3, bei der das zweite Ende (20b) des verformbaren Behälters (20) und das zweite Ende (30b) der Außenhülle fest mit einem im wesentlichen steifen Ansatz (21) verbunden sind, in welchem die Pumpe (10) montiert ist.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der die Hülle (30) durchsichtig ist.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche, bei der die Außenhülle Zeichen trägt, während der verformbare Behälter (20) keinerlei Zeichen aufweist.
  9. Verfahren zur Herstellung einer Abgabevorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß es folgende Schritte umfaßt:
    1°) Einsetzen der aus der Pumpe (10) und dem Behälter (20) bestehenden Baueinheit durch das erste Ende (30a) der Hülle (30) bis die Pumpe (10) aus dem Hals (31) der Hülle (30) hervortritt,
    2°) Füllen des Behälters (20) durch sein erstes Ende (20a),
    3°) gleichzeitiges Schließen des ersten Endes (20a) des Behälters (20) und des ersten Endes (30a) der Hülle (30) durch Zusammenquetschen.
  10. Verfahren nach Anspruch 9, bei dem man den Hals (31) der Außenhülle (30) in axialer Richtung gegen die Schulter (21a) des Ansatzes (21) während des gleichzeitigen Schließens des ersten Endes (20a) des Behälters (20) und des ersten Endes (30a) der Außenhülle (30) vorspannt, um später das Spiel zwischen dem Behälter und der Außenhülle zu begrenzen.
  11. Verfahren zur Herstellung einer Abgabevorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß es die folgenden Schritte umfaßt:
    1°) Einsetzen der aus der Pumpe (10) und dem Behälter (20) bestehenden Baueinheit durch das erste Ende (30a) der Hülle (30) bis die Pumpe (10) aus dem Hals (31) der Hülle (30) hervortritt,
    2°) Füllen des Behälters (20) durch sein erstes Ende (20a),
    3°) Verschließen des ersten Endes (20a) des Behälters (20) und dann
    4°) Verschließen des ersten Endes (30a) der Außenhülle (30).
  12. Verfahren nach Anspruch 11, bei dem man den Hals (31) der Außenhülle (30) in axialer Richtung gegen die Schulter (21a) des Ansatzes (21) während des Verschließens des ersten Endes (30a) der Außenhülle (30) vorspannt, um schließlich das Spiel zwischen dem Behälter und der Außenhüile zu begrenzen.
  13. Verfahren zur Herstellung einer Abgabevorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß es die folgenden Schritte umfaßt:
    1°) Füllen des Behälters (20) durch sein erstes Ende (20a),
    2°) gleichzeitiges Schließen des ersten Endes (20a) des Behälters (20) und des ersten Endes (30a) der Hülle (30) durch Zuammenquetschen.
  14. Verfahren zur Herstellung einer Abgabevorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß es die folgenden Schritte umfaßt:
    1°) Füllen des Behälters (20) durch sein erstes Ende (20a),
    2°) Schließen des ersten Endes (20a) des Behälters (20) und dann
    3°) Schließen des ersten Endes (30a) der Außenhülle (30).
  15. Verfahren nach einem der Ansprüche 9, 10 oder 13, bei dem das gleichzeitige Verschließen durch Zusammenquetschen des ersten Endes (20a) des Behälters (20) und des ersten Endes (30a) der Hülle (30) durch Schweißen geschieht, um schließlich das Spiel zwischen dem Behälter und der Außenhülle zu begrenzen.
EP93402003A 1992-08-06 1993-08-04 Austragsvorrichtung für Medien und deren Herstellungsverfahren Expired - Lifetime EP0582517B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9209759 1992-08-06
FR9209759A FR2694510B1 (fr) 1992-08-06 1992-08-06 Distributeur pour produits fluides et son procédé de fabrication.

Publications (3)

Publication Number Publication Date
EP0582517A2 EP0582517A2 (de) 1994-02-09
EP0582517A3 EP0582517A3 (de) 1994-03-16
EP0582517B1 true EP0582517B1 (de) 1997-05-28

Family

ID=9432671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93402003A Expired - Lifetime EP0582517B1 (de) 1992-08-06 1993-08-04 Austragsvorrichtung für Medien und deren Herstellungsverfahren

Country Status (5)

Country Link
US (1) US5388727A (de)
EP (1) EP0582517B1 (de)
DE (1) DE69311019T2 (de)
ES (1) ES2105163T3 (de)
FR (1) FR2694510B1 (de)

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FR2776628B1 (fr) * 1998-03-27 2000-05-12 Oreal Ensemble de conditionnement et de distribution d'un produit liquide
GB2333129A (en) * 1998-09-15 1999-07-14 Thomas David White Spray dispenser with collapsible container
US6026989A (en) * 1998-09-30 2000-02-22 Rxi Plastics, Inc. Multichamber squeeze tube integrally molded in one piece and container assembly incorporating same
DE19852520A1 (de) * 1998-10-08 2000-04-20 Weckerle Gmbh Tubenverschließvorrichtung
FR2788500B1 (fr) * 1999-01-20 2001-03-02 Oreal Ensemble de conditionnement et de distribution d'un produit equipe d'une pompe et d'un reservoir souple
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US7014068B1 (en) * 1999-08-23 2006-03-21 Ben Z. Cohen Microdispensing pump
JP4586223B2 (ja) * 1999-11-19 2010-11-24 大成化工株式会社 吐出容器
US6223943B1 (en) 2000-02-07 2001-05-01 Bristol-Meyers Squibb Company Method and apparatus for molding multichamber squeeze tubes and tubes produced thereby
US6698627B2 (en) * 2002-02-19 2004-03-02 Valois S.A.S. Fluid dispenser
KR20030084115A (ko) * 2002-04-25 2003-11-01 이도훈 진공펌프를 가지는 이중 튜브용기
GB2391862C (en) * 2002-08-13 2007-01-11 Shield Medicare Ltd Spray dispenser assembly and vessel therefor
FR2860771B1 (fr) * 2003-10-09 2006-03-03 Valois Sas Tete de distribution de produit fluide et procede de fabrication d'une telle tete
DE202005014895U1 (de) * 2005-04-18 2006-08-24 Megaplast Gmbh & Co. Kg Spender zur Ausgabe flüssiger bis pastöser Massen
US8205762B2 (en) * 2007-10-07 2012-06-26 Craig Carroll Safety cap assembly and container system
US8360113B2 (en) * 2008-09-18 2013-01-29 Advantus, Corp. Multi-colored adhesive with opalescent and metallic colored particles and method of making same
KR101144103B1 (ko) * 2009-11-11 2012-05-24 (주)연우 진공펌프가 구비된 이중 튜브용기
US8333288B2 (en) * 2011-01-10 2012-12-18 Sonoco Development, Inc. Child resistant container having cap and locking ring
CN103121545A (zh) * 2013-01-28 2013-05-29 王雅灿 软管容器及其制备方法
FR3016815B1 (fr) * 2014-01-30 2018-03-09 Lablabo Dispositif de conditionnement et de distribution de produits pateux

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Also Published As

Publication number Publication date
FR2694510B1 (fr) 1994-10-07
EP0582517A3 (de) 1994-03-16
EP0582517A2 (de) 1994-02-09
DE69311019T2 (de) 1998-01-08
DE69311019D1 (de) 1997-07-03
FR2694510A1 (fr) 1994-02-11
US5388727A (en) 1995-02-14
ES2105163T3 (es) 1997-10-16

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