EP1846170B1 - Device for closing a liquid product dispenser - Google Patents

Device for closing a liquid product dispenser Download PDF

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Publication number
EP1846170B1
EP1846170B1 EP04817605A EP04817605A EP1846170B1 EP 1846170 B1 EP1846170 B1 EP 1846170B1 EP 04817605 A EP04817605 A EP 04817605A EP 04817605 A EP04817605 A EP 04817605A EP 1846170 B1 EP1846170 B1 EP 1846170B1
Authority
EP
European Patent Office
Prior art keywords
cap
push button
button
ejection orifice
ring
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.)
Not-in-force
Application number
EP04817605A
Other languages
German (de)
French (fr)
Other versions
EP1846170A1 (en
Inventor
Jean-Louis Bougamont
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.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Rexam Dispensing Systems SAS
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 Rexam Dispensing Systems SAS filed Critical Rexam Dispensing Systems SAS
Publication of EP1846170A1 publication Critical patent/EP1846170A1/en
Application granted granted Critical
Publication of EP1846170B1 publication Critical patent/EP1846170B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • 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
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
    • 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
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers

Definitions

  • the present invention relates to a device for sealing a dispenser of liquid product.
  • dispensers of cosmetic or pharmaceutical liquid or gel products are surmounted by a push button for the operation of an internal pump.
  • This button is provided with an exhaust pipe opening out through a side discharge port.
  • the shutter of this type of dispenser is generally provided by an attached cover which caps the push button.
  • the closure device comprises a wall which is positioned on the ejection port by pivoting upwards and remains in the open position near the orifice which is likely to annoy the consumer.
  • the present invention aims to solve these technical problems satisfactorily.
  • the lower face of said cover comprises at least one retaining lug slidably engaged in a curvilinear groove formed on the upper face of the push button.
  • the end of said pin carries a hook which engages in a longitudinal slot formed on the inner wall of said groove of the push button.
  • the underside of said cover comprises a guide ring in which said central pivot is rotatably fitted.
  • said pivot is provided with a peripheral ring snapping into an annular groove formed internally on said crown of the cover.
  • said ring is disposed in the bottom of a cavity formed on the underside of said cover.
  • said flap carries an inner boss capable of snapping, in the sealed position, into the ejection orifice.
  • said flap is extended downwards by a heel matching the contours of the ejection orifice.
  • the device of the invention ensures sealing of the ejection orifice while remaining attached to the dispenser in all circumstances.
  • the filling is ensured by a means that fits perfectly to the overall aesthetics of the dispenser without breaking lines.
  • the shutter boss offers a snap closure that offers the consumer a guarantee of tightness of the dispenser.
  • the distributor represented on the Figures 1A and 1B is a distributor without air intake (called airless ) intended for liquid cosmetics and comprising a product tank R, a pump P that can be actuated manually by a push button 1.
  • the push button 1 is provided with an exhaust duct 11 connected to the nozzle tube T of the pump P and opening to the outside via a lateral discharge orifice 10.
  • the ejection orifice is arranged on the push button at the end of a nozzle 14 for delivering the product.
  • the device of the invention comprises a cap 2 covering the button 1 and which is provided with a vertical flap 20 capable of closing the orifice 10 by rotation around a central pivot 12 carried by the upper face 1a of the button 1 .
  • the lower face 2a of the cover 2 comprises at least one retaining lug 22 slidably engaged in a curvilinear groove 13 formed on the upper face 1a of the push button 1 and shown on FIG. figure 3 .
  • the hood has three lugs 22.
  • the ends of the lugs 22 carry a hook 22a which engages in a longitudinal slot 14 formed on the inner wall of the groove 13 of the push button.
  • the light 14 opens into the inner volume of the body of the button 1, the rim of the light 14 ensuring the vertical locking of the hook 22a.
  • the underside 2a of the cover 2 comprises a guide ring 21 in which said central pivot 12 is rotatably fitted.
  • the pivot 12 is provided with a peripheral ring 12a snapping into an annular groove 21a formed internally on the crown 21 of the cover.
  • the cover retention on the button is thus doubly ensured, in the center, by the rotary connection between the pivot 12 and the ring 21 and, at the rear, by the sliding connection in translation of the lug 22 in the groove 13 .
  • the ring 21 is disposed in the bottom of a cavity 23 formed on the lower face 2a of the cover 2.
  • the flap 20 carries an inner boss 20a engageable in the sealing position in the ejection orifice 10 in the manner of a plug and, if necessary, with a sound click.
  • the dimensions of the boss 20a are determined as a function of the section of the orifice 10.
  • the flap 20 is extended downwards by a heel 24 matching the contours of the spout 14 and that of the ejection orifice 10.
  • the edge of the upper face 2b of the cover 2 is flush, on its periphery, the side wall of the push button 1 so as to respect the lines of the distributor.
  • the lower face 2a of the cover 2 is in contact with the upper face 1a of the button 1 with the exception of an area located around the guide ring 21 which corresponds to the cavity 23 as shown in FIGS. figures 2 and 4 .
  • the contact between the two facing faces la, 2a is reinforced by means of an integral relief belt, either around the cavity 23 of the cover 2 or the upper face 1a of the button 1.

Landscapes

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

Abstract

The present invention relates to a device for closing a dispenser of liquid products, comprising a push-button equipped with a lateral ejection aperture and characterized in that it comprises a bonnet enclosing said push-button and equipped with a vertical panel capable of closing the said aperture by rotating the said bonnet around a central pivot on the upper surface of the said push-button.

Description

La présente invention concerne un dispositif pour l'obturation d'un distributeur de produit liquide.The present invention relates to a device for sealing a dispenser of liquid product.

La plupart des distributeurs de produits cosmétiques ou pharmaceutiques liquides ou en gels sont surmontés d'un bouton poussoir permettant la manoeuvre d'une pompe interne. Ce bouton est pourvu d'un conduit d'échappement débouchant à l'extérieur via un orifice d'éjection latéral.Most dispensers of cosmetic or pharmaceutical liquid or gel products are surmounted by a push button for the operation of an internal pump. This button is provided with an exhaust pipe opening out through a side discharge port.

L'obturation de ce type de distributeur est généralement assurée par un capot rapporté qui vient coiffer le bouton poussoir.The shutter of this type of dispenser is generally provided by an attached cover which caps the push button.

Dans le Patent Abstract of Japan vol 1999 N° 5/Brevet JP 11 029 168 Yoshino Kogyosho Co, le dispositif d'obturation comprend une paroi qui se positionne sur l'orifice d'éjection par un pivotement vers le haut et qui reste en position d'ouverture à proximité de l'orifice qui est susceptible de gêner le consommateur.In the Patent Abstract of Japan vol 1999 N ° 5 / Patent JP 11,029,168 Yoshino Kogyosho Co, the closure device comprises a wall which is positioned on the ejection port by pivoting upwards and remains in the open position near the orifice which is likely to annoy the consumer.

Cependant, il s'avère que le consommateur oublie souvent de remettre le capot après utilisation du distributeur ce qui induit un séchage rapide du produit à l'intérieur d'au moins la portion terminale du conduit d'échappement et un risque de bouchage ou de colmatage.
Ce problème est d'autant plus sérieux lorsque le distributeur fonctionne sans reprise d'air et qu'il n'existe aucun moyen d'étanchéité complémentaire.However, it turns out that the consumer often forgets to put the cover back after using the dispenser which induces a rapid drying of the product inside at least the end portion of the exhaust duct and a risk of clogging or clogging. clogging.
This problem is even more serious when the dispenser operates without air intake and there is no additional sealing means.

La présente invention a pour but de résoudre ces problèmes techniques de manière satisfaisante.The present invention aims to solve these technical problems satisfactorily.

Ce but est atteint selon l'invention au moyen d'un dispositif comprenant les caractéristiques de la revendication 1.This object is achieved according to the invention by means of a device comprising the features of claim 1.

Selon une caractéristique avantageuse, la face inférieure dudit capot comporte au moins un ergot de retenue engagé de manière coulissante dans une rainure curviligne ménagée sur la face supérieure du bouton poussoir.According to an advantageous characteristic, the lower face of said cover comprises at least one retaining lug slidably engaged in a curvilinear groove formed on the upper face of the push button.

De préférence, l'extrémité dudit ergot porte un crochet qui vient s'engager dans une lumière longitudinale pratiquée sur la paroi interne de ladite rainure du bouton poussoir.Preferably, the end of said pin carries a hook which engages in a longitudinal slot formed on the inner wall of said groove of the push button.

Selon une autre caractéristique, la face inférieure dudit capot comporte une couronne de guidage dans laquelle ledit pivot central est emboîté de manière rotative.According to another characteristic, the underside of said cover comprises a guide ring in which said central pivot is rotatably fitted.

Avantageusement, ledit pivot est pourvu d'un jonc périphérique venant s'encliqueter dans une gorge annulaire ménagée intérieurement sur ladite couronne du capot.Advantageously, said pivot is provided with a peripheral ring snapping into an annular groove formed internally on said crown of the cover.

De préférence, ladite couronne est disposée dans le fond d'une cavité ménagée sur la face inférieure dudit capot.Preferably, said ring is disposed in the bottom of a cavity formed on the underside of said cover.

Selon l'invention, ledit volet porte un bossage intérieur susceptible de s'encliqueter, en position de fermeture étanche, dans l'orifice d'éjection.According to the invention, said flap carries an inner boss capable of snapping, in the sealed position, into the ejection orifice.

Selon l'invention, ledit volet se prolonge vers le bas par un talon épousant les contours de l'orifice d'éjection.According to the invention, said flap is extended downwards by a heel matching the contours of the ejection orifice.

Pour des raisons ergonomiques et esthétiques, il est prévu que le bord de la face supérieure du capot affleure la paroi latérale du bouton poussoir.For ergonomic and aesthetic reasons, it is expected that the edge of the upper face of the cover is flush with the side wall of the push button.

Le dispositif de l'invention assure une obturation étanche de l'orifice d'éjection en restant solidaire du distributeur en toutes circonstances.The device of the invention ensures sealing of the ejection orifice while remaining attached to the dispenser in all circumstances.

En outre, l'obturation est assurée par un moyen qui s'intègre parfaitement à l'esthétique d'ensemble du distributeur sans rupture des lignes.In addition, the filling is ensured by a means that fits perfectly to the overall aesthetics of the dispenser without breaking lines.

Le bossage du volet offre une fermeture à déclic qui offre au consommateur une garantie quant à l'étanchéité du distributeur.The shutter boss offers a snap closure that offers the consumer a guarantee of tightness of the dispenser.

L'invention sera mieux comprise à la lecture de la description qui va suivre en référence aux dessins sur lesquels ;

  • Les figures 1A et 1B représentent des vues en perspective d'un mode de réalisation du dispositif de l'invention respectivement en position de fermeture et d'ouverture.
  • La figure 2 est une vue en coupe axiale d'un distributeur équipé du dispositif de l'invention.
  • Les figures 3 et 4 sont des vues en perspective des éléments constitutifs du dispositif des figures 1A et 1B.
The invention will be better understood on reading the description which follows with reference to the drawings in which;
  • The Figures 1A and 1B are perspective views of an embodiment of the device of the invention respectively in the closed position and opening.
  • The figure 2 is an axial sectional view of a dispenser equipped with the device of the invention.
  • The Figures 3 and 4 are perspective views of the constituent elements of the device of the Figures 1A and 1B .

Le distributeur représenté sur les figures 1A et 1B est un distributeur sans reprise d'air (dit airless) destiné à des cosmétiques liquides et comprenant un réservoir R de produit, une pompe P susceptible d'être actionnée manuellement par un bouton poussoir 1.
Le bouton poussoir 1 est pourvu d'un conduit d'échappement 11 raccordé au tube gicleur T de la pompe P et débouchant à l'extérieur via un orifice d'éjection latéral 10.The distributor represented on the Figures 1A and 1B is a distributor without air intake (called airless ) intended for liquid cosmetics and comprising a product tank R, a pump P that can be actuated manually by a push button 1.
The push button 1 is provided with an exhaust duct 11 connected to the nozzle tube T of the pump P and opening to the outside via a lateral discharge orifice 10.

L'orifice d'éjection est disposé, sur le bouton poussoir, à l'extrémité d'un bec 14 de délivrance du produit.The ejection orifice is arranged on the push button at the end of a nozzle 14 for delivering the product.

Le dispositif de l'invention comprend un capot 2 coiffant le bouton 1 et qui est muni d'un volet vertical 20 susceptible de venir fermer l'orifice 10 par rotation autour d'un pivot central 12 porté par la face supérieure 1a du bouton 1.The device of the invention comprises a cap 2 covering the button 1 and which is provided with a vertical flap 20 capable of closing the orifice 10 by rotation around a central pivot 12 carried by the upper face 1a of the button 1 .

La face inférieure 2a du capot 2 comporte au moins un ergot de retenue 22 engagé de manière coulissante dans une rainure curviligne 13 ménagée sur la face supérieure la du bouton poussoir 1et représentée sur la figure 3. Dans le mode de réalisation représenté sur la figure 4, le capot comporte trois ergots 22.
Les extrémités des ergots 22 portent un crochet 22a qui vient s'engager dans une lumière longitudinale 14 pratiquée sur la paroi interne de la rainure 13 du bouton poussoir.The lower face 2a of the cover 2 comprises at least one retaining lug 22 slidably engaged in a curvilinear groove 13 formed on the upper face 1a of the push button 1 and shown on FIG. figure 3 . In the embodiment shown on the figure 4 , the hood has three lugs 22.
The ends of the lugs 22 carry a hook 22a which engages in a longitudinal slot 14 formed on the inner wall of the groove 13 of the push button.

Dans le mode de réalisation représenté en coupe sur la figure 2, la lumière 14 débouche dans le volume intérieur du corps du bouton 1, le rebord de la lumière 14 assurant le blocage vertical du crochet 22a.In the embodiment shown in section on the figure 2 , the light 14 opens into the inner volume of the body of the button 1, the rim of the light 14 ensuring the vertical locking of the hook 22a.

La face inférieure 2a du capot 2 comporte une couronne de guidage 21 dans laquelle ledit pivot central 12 est emboîté de manière rotative.
Le pivot 12 est pourvu d'un jonc périphérique 12a venant s'encliqueter dans une gorge annulaire 21a ménagée intérieurement sur la couronne 21 du capot.The underside 2a of the cover 2 comprises a guide ring 21 in which said central pivot 12 is rotatably fitted.
The pivot 12 is provided with a peripheral ring 12a snapping into an annular groove 21a formed internally on the crown 21 of the cover.

La retenue du capot sur le bouton est donc ainsi doublement assurée, au centre, par la liaison rotative entre le pivot 12 et la couronne 21 et, à l'arrière, par la liaison coulissante en translation de l'ergot 22 dans la rainure 13.The cover retention on the button is thus doubly ensured, in the center, by the rotary connection between the pivot 12 and the ring 21 and, at the rear, by the sliding connection in translation of the lug 22 in the groove 13 .

La couronne 21 est disposée dans le fond d'une cavité 23 ménagée sur la face inférieure 2a du capot 2.The ring 21 is disposed in the bottom of a cavity 23 formed on the lower face 2a of the cover 2.

Comme représenté sur les figures 2 et 4, le volet 20 porte un bossage intérieur 20a susceptible de s'encliqueter, en position de fermeture étanche, dans l'orifice d'éjection 10 à la manière d'un bouchon et, le cas échéant, avec un déclic sonore.
A cet effet, les dimensions du bossage 20a sont déterminées en fonction de la section de l'orifice 10.As shown on figures 2 and 4 , the flap 20 carries an inner boss 20a engageable in the sealing position in the ejection orifice 10 in the manner of a plug and, if necessary, with a sound click.
For this purpose, the dimensions of the boss 20a are determined as a function of the section of the orifice 10.

Le volet 20 se prolonge vers le bas par un talon 24 épousant les contours du bec 14 et celui de l'orifice d'éjection 10.The flap 20 is extended downwards by a heel 24 matching the contours of the spout 14 and that of the ejection orifice 10.

Comme cela apparaît sur les figures 1A et 1B, le bord de la face supérieure 2b du capot 2 affleure, sur son pourtour, la paroi latérale du bouton poussoir 1 de façon à respecter les lignes du distributeur.As it appears on the Figures 1A and 1B , the edge of the upper face 2b of the cover 2 is flush, on its periphery, the side wall of the push button 1 so as to respect the lines of the distributor.

La face inférieure 2a du capot 2 est au contact de la face supérieure 1a du bouton 1 à l'exception d'une zone située autour de la couronne de guidage 21 qui correspond à la cavité 23 comme représenté sur les figures 2 et 4. Selon des variantes non représentées, le contact entre les deux faces en regard la, 2a est renforcé au moyen d'une ceinture en relief solidaire, soit du pourtour de la cavité 23 du capot 2, soit de la face supérieure 1a du bouton 1.The lower face 2a of the cover 2 is in contact with the upper face 1a of the button 1 with the exception of an area located around the guide ring 21 which corresponds to the cavity 23 as shown in FIGS. figures 2 and 4 . According to variants not shown, the contact between the two facing faces la, 2a is reinforced by means of an integral relief belt, either around the cavity 23 of the cover 2 or the upper face 1a of the button 1.

Claims (8)

  1. A device for closing a liquid-product dispenser comprising a push button (1) provided with a lateral ejection orifice (10) disposed at the end of a delivery spout (14) and a cap (2) fitting on top of said button while being provided with an obturation means able to close off said orifice (10) by rotation of said cap about a central pivot (12) carried by the top face (1a) of said button, said obturation means consists of a vertical flap (20) carrying an internal protrusion (20a) able to snap, in the sealed closure position, into the ejection orifice (10) and extending downwards by means of a heel (24) matching the contours of the ejection orifice (10)
  2. A device according to claim 1, characterised in that the bottom face (2a) of the cap (2) comprises at least one retaining lug (22) slidably engaged in a curvilinear groove (13) provided on the top face (1a) of the push button
  3. A device according to claim 2, characterised in that the end of said lug (22) carries a hook (22a) that engages in a longitudinal slot (14) formed on the internal wall of said groove (13) in the push button
  4. A device according to claim 1 or 2, characterised in that the bottom face (2a) of said cap comprises a guide ring (21) in which said central pivot (12) is rotationally fitted.
  5. A device according to claim 4, characterised in that said pivot (12) is provided with a peripheral spring ring (12a) snapping into an annular groove (21a) formed internally on said ring (21) of the cap (2).
  6. A device according to claim 4 or 5, characterised in that said ring (21) is disposed in the bottom of a cavity (23) formed on the bottom face (2a) of said cap.
  7. A device according one of the preceding claims, characterised in that the edge of the top face (2b) of the cap (2) fits flush with the lateral wall of the push button (1).
  8. A device according to one of the preceding claims, characterised in that said internal protrusion (20a) on the flap (20) snaps into the ejection orifice (10) with an audible click.
EP04817605A 2004-12-27 2004-12-27 Device for closing a liquid product dispenser Not-in-force EP1846170B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2004/003393 WO2006070081A1 (en) 2004-12-27 2004-12-27 Device for closing a liquid product dispenser

Publications (2)

Publication Number Publication Date
EP1846170A1 EP1846170A1 (en) 2007-10-24
EP1846170B1 true EP1846170B1 (en) 2009-09-02

Family

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Application Number Title Priority Date Filing Date
EP04817605A Not-in-force EP1846170B1 (en) 2004-12-27 2004-12-27 Device for closing a liquid product dispenser

Country Status (6)

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US (1) US20080099517A1 (en)
EP (1) EP1846170B1 (en)
CN (1) CN101115569B (en)
AT (1) ATE441484T1 (en)
DE (1) DE602004023014D1 (en)
WO (1) WO2006070081A1 (en)

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KR101079725B1 (en) * 2009-07-15 2011-11-03 주식회사 엘지생활건강 The Pumping Device for Vessel and Push Button thereof
US20110240677A1 (en) * 2010-03-03 2011-10-06 Walter Dwyer Airless double-piston double-action pump and cosmetics bottle dispensing device
FR2978744B1 (en) 2011-08-05 2014-06-06 Airlessystems FLUID PRODUCT DISPENSER.
FR3131287B1 (en) * 2021-12-24 2024-03-15 Promens Sa Closing device for a distribution pump

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Publication number Publication date
WO2006070081A1 (en) 2006-07-06
CN101115569A (en) 2008-01-30
US20080099517A1 (en) 2008-05-01
CN101115569B (en) 2010-08-25
EP1846170A1 (en) 2007-10-24
DE602004023014D1 (en) 2009-10-15
ATE441484T1 (en) 2009-09-15

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