EP1002735B1 - Pumpe und damit ausgerüsteter Behälter - Google Patents

Pumpe und damit ausgerüsteter Behälter Download PDF

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Publication number
EP1002735B1
EP1002735B1 EP99402872A EP99402872A EP1002735B1 EP 1002735 B1 EP1002735 B1 EP 1002735B1 EP 99402872 A EP99402872 A EP 99402872A EP 99402872 A EP99402872 A EP 99402872A EP 1002735 B1 EP1002735 B1 EP 1002735B1
Authority
EP
European Patent Office
Prior art keywords
membrane
fact
pump
moving member
pump according
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
EP99402872A
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English (en)
French (fr)
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EP1002735A1 (de
Inventor
Philippe Bonningue
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 EP1002735A1 publication Critical patent/EP1002735A1/de
Application granted granted Critical
Publication of EP1002735B1 publication Critical patent/EP1002735B1/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
    • B05B11/10—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
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • 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
    • B05B11/1001—Piston pumps
    • 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
    • B05B11/1064—Pump inlet and outlet valve elements integrally formed of a deformable material
    • 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
    • B05B11/1073—Springs
    • B05B11/1076—Traction springs, e.g. stretchable sleeve
    • 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
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material

Definitions

  • the present invention relates to a pump according to the preamble of claim 1 and a container containing a liquid, for example a cosmetic cream, equipped with such a pump.
  • a pump comprising a push button mounted on the move on a support subject to the container containing the product to distribute, the push button comprising a central cylindrical duct of revolution, provided with radial openings at its lower end, the support defining around this leads an annular pumping chamber, of variable volume.
  • a membrane made in an elastomer is mounted on the support. This membrane has a part symmetrical central of revolution, in the form of a sleeve open at its upper end and closed at its lower end. The central duct of the push button is inserted in the membrane until it bears against the bottom of the sleeve.
  • the membrane thus constitutes an elastic return member making it possible to return the push button to its initial position after dispensing a dose of product.
  • the membrane by sticking to the central duct isolates the pumping chamber and avoids a re-entry of air into it.
  • Such a pump has the advantage of having only a small number of parts and therefore to be relatively inexpensive to manufacture.
  • the present invention aims to improve the reliability of the operation of a pump of the type defined above, namely comprising a movable member mounted at displacement relative to a support, the movable member comprising a central duct into which the product to be distributed enters through at least one opening, the support defining with the movable member, around said central duct, a variable volume pumping, this pump further comprising a membrane having a sleeve-shaped central part open at its upper end and closed at its lower end, central part into which said central duct is inserted, the membrane being arranged so as to isolate the opening or openings of said central duct allowing the entry of the product and the pumping chamber when the volume of the latter increases and product is drawn into the pumping chamber.
  • said reliefs are produced on the membrane in preferably being formed by equi-distributed bosses around the axis of the part center of the membrane at its opening.
  • the membrane comprises a flexible lip capable on the one hand to isolate the pumping chamber from a source of product when the volume of said pumping chamber decreases and on the other hand to allow a return of product into said pumping chamber when the volume of the latter increases.
  • said flexible lip is connected with said central part of the membrane, forming a narrow annular groove, open downwards, and the support has an inner skirt bearing at its upper end in the bottom of said groove, for axially retaining the membrane when the movable member is moved down to decrease the volume of the pumping chamber.
  • the support has a double lip sealing, applying sealingly on a tubular skirt of the movable member, this tubular skirt being open downward and extending around the central duct concentrically to the latter, this tubular skirt further delimiting radially towards outside the pumping chamber.
  • the aforementioned inner skirt is part of a patch on the rest of the support.
  • the aforementioned flexible lip has a rib annular by which it can be applied sealingly on the inner skirt of the support when the volume of the pumping chamber decreases or when the pump is at rest, said inner skirt communicating internally with the product source and comprising above said annular rib openings allowing the product to gain the pumping chamber when the volume of the latter increases and that said flexible lip deviates from said inner skirt under the effect of the thrust of the product flowing to the pumping chamber.
  • the flexible lip comprises, above said annular rib, a thinned area.
  • the central duct of the movable member is provided, at its lower end, at least one radial opening.
  • the movable member constitutes a push button, said central duct being produced in one piece with a dispensing nozzle.
  • the tubular skirt of the movable member slides inside a support guide skirt, providing with said interior skirt of the support an annular groove open upwards, communicating by at least one orifice of air intake with the source of product, the tubular skirt of the movable member applying sealingly on said guide skirt when the movable member is at rest and the volume of the pumping chamber is maximum.
  • the pump includes a return spring for recall the movable organ to an initial position after dispensing a dose of product.
  • This return spring is advantageously constituted by a helical spring working in compression.
  • This spring is preferably arranged in the axis of the membrane, so as to apply by its upper end to the lower end of the central part of the membrane.
  • a return spring is advantageous because it facilitates the choice of the material which may constitute the membrane, since the latter may then not be prestress or undergo a relatively weak prestress.
  • the invention also relates to a container equipped with a pump such as defined above.
  • FIG. 1 a container 1 having a body 2 forming reservoir, of which only the upper end can be seen in the drawing, defining a neck 3 on which is snapped on a support 4.
  • the support 4 guides in sliding, along an axis X, a push button 5 and used to mount a removable protective cover 6, covering the front push button 5 the first use.
  • the support 4 includes a sealing skirt 7 which is applied in a sealed manner on the inside surface of the neck 3.
  • the sealing skirt 7 is extended radially, on the one hand towards the outside by fixing lugs 8 snapped onto an annular bead 9 of the neck 3, and other goes inward by a stepped wall 10 defining a nozzle 12 used for connection of a dip tube 13, partially shown in the drawing.
  • An outer skirt 15 and a guide skirt 16 are made in one piece by plastic molding with the sealing skirt 7, the fixing lugs 8 and the stepped wall 10.
  • the outer skirt 15 extends around the neck 3 of the container and has a shoulder 17 on which the protective cover 6 is supported.
  • the upper edge 18 of the outer skirt 15 retains the push button 5 at rest, as will be explained below.
  • the support 4 comprises an inner skirt 20 constituted by a part added, having a shoulder lower end 21, forcibly engaged in the stepped wall 10.
  • the inner skirt 20 has a substantially tapered upper end, provided with openings 22, as can be seen more particularly in FIGS. 2 and 3.
  • openings 22 are in the example described in the form of slots oriented along the X axis, extended downward by grooves 25 extending over the radially inner surface of the inner skirt 20 until a step 26.
  • a double annular sealing lip 24 is produced in one piece with the inner skirt 20 by plastic molding.
  • the push button 5 has an outer skirt 30, provided at its end lower of teeth 31, the latter coming into abutment against the upper edge 18 of the skirt outside 15 of the support 4 when the push button 5 is at rest in the high position, as shown in figure 1.
  • the push button 5 comprises a central duct 32, of axis X, and a skirt tubular 33 concentric, delimiting around the central duct 32 a 34 annular pumping.
  • the outer skirt 30, the tubular skirt 33 and the central duct 32 are produced in one piece by molding plastic material with a dispensing nozzle 35, communicating internally with the central duct 32.
  • the latter has, at its lower end, radial openings 36.
  • the lower end of the tubular skirt 33 forms a sealing lip 37, extending slightly radially outward, as shown more particularly in Figure 4.
  • the guide skirt 16 of the support 4 has a slight shrinkage in the lower part annular 41 on its radially inner surface.
  • the interior of the container is thus isolated from the ambient air, which is favorable to good conservation of the product.
  • An air intake orifice 42 is made in the bottom of this groove to allow air to re-enter the container as it is emptied.
  • the inner skirt 20 is used for mounting a membrane 50 having a part sleeve-shaped central unit 51, of axis X, open at its upper end and closed at its lower end by a bottom 52.
  • This central part 51 is extended radially outwards by a lip flexible annular 53, as can be seen more particularly in FIGS. 5 and 6.
  • This flexible lip 53 forms, by connecting with the central part 51, a narrow annular groove 54 into which the inner skirt 20 is inserted at its end upper, until taking support by its free edge in the bottom of said groove.
  • the throat 54 has substantially the same profile as the upper end of the inner skirt 20.
  • the height of the flexible lip 53 is greater than that of the openings 22 and the flexible lip 53 has on its radially inner face, close to its end free, an annular rib 56 capable of being applied sealingly against the surface radially exterior of the interior skirt 20, as illustrated in FIG. 1.
  • the flexible lip 53 also has, above the rib 56, a wall thinned 58 intended to facilitate its deformation radially outwards, to allow to the product to gain the pumping chamber 34, as will be explained below.
  • the membrane 50 comprises, at the opening of its central part 51, non-symmetrical reliefs of revolution around the axis X, namely bosses 55 of which the function will be specified later.
  • these bosses 55 are three in number, being evenly distributed angularly around the X axis, as can be seen in Figure 6.
  • Each of these bosses 55 protrudes from the radially inner surface of the central part 51 along approximately a quarter of the height thereof from its upper end, and extends radially outward on the upper face of the membrane 50 to substantially above the groove 54, as can be seen in the figure 5.
  • Each of the bosses 55 further presents, when observed in section in a transverse section plane, a convex section towards the X axis, as shown in the figure 6.
  • the central conduit 32 of the push button 5 is inserted in the central part 51 of the membrane 50 until it bears, by its lower end, against the bottom 52 of the membrane 50, as illustrated in FIG. 1.
  • bosses 55 then apply, in the example described, against the surface cylindrical of revolution of the central duct 32. However, it is not necessary to in general, that the bosses 55 are applied to the central duct 32 when the push button is at rest.
  • the double sealing lip 24 is applied tightly to the surface radially inner of the tubular skirt 33, whatever the upward movement or down from push button 5.
  • the radially inner surface of the central part 51 of the membrane is slightly conical, converging downwards, for its part extending under the bosses 55 slightly above the upper end of the openings 36, then cylindrical of X axis revolution.
  • the support 4, the push button 5 and the membrane 50 constitute a pump whose operation is as follows.
  • the central duct 32 drives down the bottom 52 of the membrane 50, which deforms elastically by stretching to accompany movement of the duct central 32.
  • the pump is here assumed to be primed, i.e. the pumping chamber 34 is filled with product.
  • the flexible lip 53 is applied in a sealed manner to the inner skirt 20 during the downward movement of the push button 5.
  • the sealing lip 37 of the tubular skirt 33 of the push button 5 ceases, when it reaches the annular withdrawal 41 after a certain driving stroke of the push button 5, to apply tightly to the guide skirt 16, allowing communication between the inside of the container and the outside, via the air intake orifice 42 and the clearance existing between the guide skirt 16 and the tubular skirt 33.
  • the bosses 55 between them provide passages for the product and prevent the formation of a sealed annular zone between the central duct 32 and the central part 51 of the membrane 50 which could not be overcome by the pressure of the product, so that the product can flow to the radial openings 36, the membrane 50 being able to move away slightly from the central duct in the vicinity of the upper end of the openings 36 under the effect of product pressure.
  • the bosses 55 also tend to keep the central duct 32 coaxial with the inner skirt 20 and to guarantee that the upper part of the membrane hung on the inner skirt 20.
  • the narrowness of the groove 54 ensures good adhesion of the membrane 50 on the inner skirt 20 and prevents the membrane 50 from being entrained, at its part upper, moving with the central duct 32.
  • the central part 51 of the membrane 50 isolates the radial openings 36 of the pumping chamber 34, and the depression which is created in the latter causes the separation of the flexible lip 53 and an arrival of product from the container.
  • the product then wins the pumping chamber 34 circulates by the grooves 25 of the inner skirt 20, along the central part 51 of the membrane 50, crosses the inner skirt 20 through the openings 22, then goes around the lip flexible 53 and rises outside of the latter as illustrated in FIG. 8.
  • This spring is housed inside the inner skirt 20, works in compression, and is supported at its lower end on the recess 26 and at its upper end on the underside of the bottom 52 of the membrane.
  • This valve can be produced for example by means of a ball 91 shown in broken line in Figure 8, the tip 12 serving as a seat.
  • Reliefs 92 are produced on the inner surface of the inner skirt to retain ball 91 near its seat.
  • the ball 91 is chosen to be very rough so as to create a leak making it possible to do not block the downward movement of the central part of the membrane when distribution of a dose of product.
  • the ball 91 makes it possible to prime the pump by actuating a small number of times the push button.
  • the membrane can also be made of at least two different materials.
  • a helical spring is arranged around the central duct and bears at its lower end on the upper end of the membrane and at its upper end on the push button 5.

Landscapes

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

Claims (17)

  1. Pumpe, umfassend ein bewegliches Organ, das bezüglich einem Halter beweglich montiert ist, wobei das bewegliche Organ eine zentrale Leitung (32) aufweist, in die das Produkt, das abgegeben werden soll, über mindestens eine Öffnung (36) eintritt, wobei der Halter mit dem beweglichen Organ um diese zentrale Leitung herum eine Pumpkammer (34) mit veränderlichem Volumen begrenzt, wobei diese Pumpe außerdem eine Membran mit einem zentralen Teil in Form einer an ihrem oberen Ende offenen und an ihrem unteren Ende geschlossenen Buchse aufweist, in den diese zentrale Leitung eingesetzt ist, wobei die Membran so ausgebildet ist, daß sie die Öffnung oder Öffnungen (36) dieser zentralen Leitung und die Pumpkammer (34) isoliert, wenn das Volumen der letztgenannten zunimmt und wenn Produkt in die Pumpkammer angesaugt wird, Pumpe, dadurch gekennzeichnet, daß mindestens eines der Elemente Membran (50) und zentrale Leitung (32) Erhebungen (55; 60) aufweist, an denen das andere der Elemente Membran (50) und zentrale Leitung (32) mindestens während der Relativbewegung des beweglichen Organs (5) und des Halters (4) zur Anlage kommt, so daß zwischen der Membran (50) und der zentralen Leitung (32) die Bildung einer ringförmigen dichten Zone verhütet wird, die das in der Pumpkammer enthaltene Produkt daran hindert, durch die zentrale Leitung zu fließen, wenn das Volumen der Pumpkammer abnimmt.
  2. Pumpe nach Anspruch 1, dadurch gekennzeichnet, daß die Erhebungen (55) auf der Membran (50) gebildet sind.
  3. Pumpe nach Anspruch 2, dadurch gekennzeichnet, daß die Erhebungen aus Buckeln (55) bestehen, die um die Achse (X) des zentralen Teils (51) der Membran (50) herum auf Höhe ihrer Öffnung gleichmäßig verteilt sind.
  4. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Membran (50) eine flexible Lippe (53) aufweist, die geeignet ist, einerseits die Pumpkammer (34) von einer Produktquelle zu isolieren, wenn das Volumen dieser Pumpkammer abnimmt, und andererseits ein Wiedereintreten von Produkt in diese Pumpkammer (34) zu gestatten, wenn deren Volumen zunimmt.
  5. Pumpe nach Anspruch 4, dadurch gekennzeichnet, daß diese flexible Lippe (53) an diesen zentralen Teil (51) der Membran (50) anschließt, indem sie eine nach unten offene schmale, ringförmige Nut (54) bildet, und dadurch, daß der Halter (4) eine Innenhülse (20) aufweist, die an ihrem oberen Ende im Boden dieser Nut (54) zur Anlage kommt, um die Membran zurückzuhalten, wenn das bewegliche Organ (5) nach unten bewegt wird, um das Volumen der Pumpkammer (34) zu verkleinern.
  6. Pumpe nach Anspruch 5, dadurch gekennzeichnet, daß diese Innenhülse (20) Teil eines am Rest des Halters (4) angebrachten Teils bildet.
  7. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Halter (4) eine doppelte Dichtungslippe (24) aufweist, die sich dicht an eine rohrförmige Hülse (33) des beweglichen Organs (5) anlegt, die nach unten offen ist und sich um diese zentrale Leitung (32) herum konzentrisch zu dieser erstreckt, wobei diese rohrförmige Hülse (33) die Pumpkammer (34) radial nach außen begrenzt.
  8. Pumpe nach Anspruch 7, dadurch gekennzeichnet, daß die rohrförmige Hülse (33) des beweglichen Organs (5) im Inneren einer Führungshülse (16) des Halters (4) gleitet, wobei diese Führungshülse (16) mit der Innenhülse (20) eine nach oben offene ringförmige Nut bildet, die über mindestens eine Luftaufnahmeöffnung (42) mit der Produktquelle verbunden ist, wobei die rohrförmige Hülse (33) des beweglichen Organs (5) sich an die Führungshülse (16) dicht anlegt, wenn das bewegliche Organ im Ruhezustand ist und das Volumen der Pumpkammer maximal ist.
  9. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die zentrale Leitung (32) des beweglichen Organs (5) an ihrem unteren Ende mit mindestens einer radialen Öffnung (36) versehen ist.
  10. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das bewegliche Organ einen Druckknopf (5) bildet, wobei die zentrale Leitung (32) einstückig mit einem Abgabeaufsatz (35) ausgeführt ist.
  11. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie eine Rückholfeder aufweist, um das bewegliche Organ nach Abgabe einer Produktdosis in eine Anfangsstellung zurückzuholen.
  12. Pumpe nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß die Rückholfeder aus einer unter Kompression arbeitenden Schraubenfeder besteht.
  13. Pumpe nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß die Feder in der Achse der Membran angeordnet ist, so daß sie mit ihrem oberen Ende an dem unteren Ende des zentralen Teils der Membran anliegt.
  14. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie ein Ventil stromauf der Membran aufweist, das sich öffnet, wenn Produkt in die Pumpkammer angesaugt wird, und einen Durchlaß aufweist, so daß die Bewegung des beweglichen Organs bei der Abgabe einer Produktdosis nicht behindert wird.
  15. Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Membran aus mindestens zwei verschiedenen Werkstoffen ausgeführt ist.
  16. Pumpe nach den Ansprüche 4 und 15, dadurch gekennzeichnet, daß die flexible Lippe (53) aus einem weicheren Werkstoff als der eine Feder (51) bildende Teil der Membran hergestellt ist.
  17. Behälter, der mit einer Pumpe nach einem der vorhergehenden Ansprüche ausgerüstet ist.
EP99402872A 1998-11-20 1999-11-19 Pumpe und damit ausgerüsteter Behälter Expired - Lifetime EP1002735B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9814648A FR2786162B1 (fr) 1998-11-20 1998-11-20 Pompe et recipient ainsi equipe
FR9814648 1998-11-20

Publications (2)

Publication Number Publication Date
EP1002735A1 EP1002735A1 (de) 2000-05-24
EP1002735B1 true EP1002735B1 (de) 2004-03-03

Family

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EP99402872A Expired - Lifetime EP1002735B1 (de) 1998-11-20 1999-11-19 Pumpe und damit ausgerüsteter Behälter

Country Status (8)

Country Link
US (1) US6202896B1 (de)
EP (1) EP1002735B1 (de)
JP (1) JP3639894B2 (de)
AT (1) ATE260828T1 (de)
CA (1) CA2290218C (de)
DE (1) DE69915217T2 (de)
ES (1) ES2216466T3 (de)
FR (1) FR2786162B1 (de)

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FR2793223B1 (fr) 1999-05-06 2001-07-27 Oreal Pompe a membrane comportant, sur au moins un secteur de sa peripherie, une zone de deformation preferentielle et recipient ainsi equipe
FR2800132B1 (fr) 1999-10-26 2002-03-08 Oreal POMPE DESTINEE A EQUIPER UN RECIPIENT, COMPORTANT UNE MEMBRANE ELASTIQUEMENT DEFORMABLE A l'EXTERIEUR DE LA CHAMBRE DE POMPAGE
FR2805183B1 (fr) * 2000-02-23 2002-12-27 Oreal Pompe comportant une membrane formant ressort et recipient ainsi equipe
FR2810301B1 (fr) * 2000-06-16 2002-09-13 Rexam Sofab Dispositif de reprise d'air statique pour distributeur de produit liquide
FR2810645B1 (fr) * 2000-06-22 2002-10-25 Valois Sa Dispositif de distribution de produit fluide
US6779689B2 (en) * 2003-01-21 2004-08-24 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Ovaloid dispensing container
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US20040222243A1 (en) * 2003-05-08 2004-11-11 Saint-Gobain Calmar Inc. Low-cost, in-line trigger operated pump sprayer
KR100918856B1 (ko) * 2007-10-22 2009-09-28 김석현 화장품용기용 압출펌프
US8439233B2 (en) * 2010-10-04 2013-05-14 Derxin (Shanghai) Cosmetics Co., Ltd. Spray head assembly
CA2837636C (en) * 2011-06-09 2019-02-19 I.P.S. Innovative Packaging Solutions Ag Pumping device for a fluid container
JP2014136594A (ja) * 2013-01-16 2014-07-28 Ya-Can Wang ポンプ構造を有するチューブのヘッド部構造及びその製造方法
CN113002974B (zh) * 2021-04-21 2024-04-26 上海英宇包装科技有限公司 乳液双料出液容器

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JP3639894B2 (ja) 2005-04-20
JP2000153190A (ja) 2000-06-06
DE69915217D1 (de) 2004-04-08
DE69915217T2 (de) 2005-03-03
ATE260828T1 (de) 2004-03-15
CA2290218A1 (fr) 2000-05-20
ES2216466T3 (es) 2004-10-16
EP1002735A1 (de) 2000-05-24
CA2290218C (fr) 2006-03-28
FR2786162B1 (fr) 2001-02-09
FR2786162A1 (fr) 2000-05-26
US6202896B1 (en) 2001-03-20

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