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EP1127013B1 - Dispenser with peripheral delivery mode - Google Patents

Dispenser with peripheral delivery mode Download PDF

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Publication number
EP1127013B1
EP1127013B1 EP99970070A EP99970070A EP1127013B1 EP 1127013 B1 EP1127013 B1 EP 1127013B1 EP 99970070 A EP99970070 A EP 99970070A EP 99970070 A EP99970070 A EP 99970070A EP 1127013 B1 EP1127013 B1 EP 1127013B1
Authority
EP
European Patent Office
Prior art keywords
piston
bowl
dispenser according
dispenser
lip
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
EP99970070A
Other languages
German (de)
French (fr)
Other versions
EP1127013A1 (en
Inventor
Jean-Louis Bougamont
Christophe Roy
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 EP1127013A1 publication Critical patent/EP1127013A1/en
Application granted granted Critical
Publication of EP1127013B1 publication Critical patent/EP1127013B1/en
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
    • 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
    • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • 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
    • B05B11/1088—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 the pump being a double-acting pump
    • 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
    • B05B11/109—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 the dispensing stroke being affected by the stored energy of a spring

Definitions

  • the present invention relates to a mode dispenser for peripheral delivery intended to be mounted on a container of high viscosity liquid products, such as gels, creams, pastes ...
  • distributors including a mounted pump on the neck of a container and delivering the product via an axial passage formed in particular by a spray tube.
  • dispensers are not suitable for certain types conditioning, for which we are looking for a mode of peripheral or at least lateral final distribution and no longer axial.
  • the object of the present invention is to solve this problem technique satisfactorily.
  • the internal face of said collar has a delimited groove, on the radially outer side, by a crown in which the edge is engaged and locked upper part of the bowl.
  • the inner edge of said flange forms a high stop for the piston thus ensuring its retention in the bowl.
  • the external face of the piston is provided with a central stud forming a pusher.
  • the bowl has ribs extending along of the lower part of its internal side wall over a height sufficient to allow the escape of air upon priming by forced piston deformation.
  • the internal face of the piston includes a sleeve central ensuring both the coaxial guidance of the spring and the end stop against the bottom of the bowl.
  • the dispenser of the invention comprises, where appropriate, a vent made in the form of a cutout from the upper edge of the bowl.
  • said annular zone elastically deformable is produced on the periphery of the piston being consisting of a flexible lip whose free end is in position closure, sealingly against the internal side wall of the bowl.
  • the external face of the piston is provided, at the junction with said lip, stiffening elements.
  • said elastically annular zone deformable is located on the side wall of the bowl by being constituted peripheral thinning, which may be distorted elastically by the rigid edge of the piston.
  • the rigid edge of the piston has a lateral flank provided with a projection intended to come into abutment against the side wall deformable bowl.
  • said elastically deformable zone is located on the side wall of the bowl, and consists of a part peripheral made with a flexible elastomeric material possibly different from the rigid material constituting the others parts of the bowl.
  • said annular zone elastically deformable consists of a flexible lip carried, a part, by the lower end of a central cylinder integral with the piston and projecting inside the metering chamber and cooperating, on the other hand, with a peripheral scraping element fixed on the face internal piston.
  • the product discharge passage is formed from the lip, the enclosure delimited around the cylinder central by said scraping element, on the one hand, and the lip, on the other hand, then by a network of vertical conduits arranged around the periphery of said cylinder and communicating, at their lower end with said enclosure and at their upper end with a network of conduits transverse opening to the outside.
  • said lip is inclined relative to the axis of the dispenser and rests in the closed position on the edge radially inside of the scraper element.
  • the dispenser of the present invention is more particularly intended for viscous products for which it offers a mode of original and aesthetic delivery.
  • This distributor which has a simple structure, and therefore easy to make and assemble.
  • the distributor shown in section in Figures 1a and 1b is intended to be mounted on a container (not shown) of products viscous liquids.
  • This dispenser includes a bowl 1 provided at its lower part an inlet 10 extended here downwards, by a tube plunger 10a which is intended to protrude inside the container.
  • the inlet 10 is equipped with a valve 11 produced here in the form of a ball 11a resting on a seat 11b.
  • the bowl 1 is closed at its upper part by a piston 2, returned to the high position by a spring 3, and delimiting with the wall internal of the bowl 1 a dosing chamber 12.
  • annular zone of the wall of the chamber 12 is, in whole or in part, elastically deformable for free, under the effect of the piston 2, a product discharge passage, opening out peripherally to the outside.
  • the area deformable ring is made on the periphery of the piston 2 while being consisting of a flexible lip 21 whose free end 21a is in closed position, sealed against the internal side wall 1b of bowl 1 (see figure 1a).
  • peripheral flexible lip 21 is inclined towards the high with an angle ⁇ close to 45 ° relative to the plane of the part central 23 of piston 2 on the internal face of which supports spring 3.
  • the external face 2b of the piston 2 is provided, at the junction between the central flat part 23 and the peripheral lip 21, of elements stiffeners 24.
  • the upper edge 1a of the bowl 1 is fixed on a flange 4 of connection with the container neck (not shown).
  • the internal face of the collar 4 has a groove 40, delimited on the radially outer side by a ring 41 in which is engaged and locked the upper edge 1a of the bowl 1.
  • the collar 4 is preferably frustoconical by being inclined towards the center of the dispenser, and its inner edge 4a forms a stop high for piston 2, thus ensuring its retention in bowl 1.
  • the groove 40 is delimited on the radially inner side by an annular ring 42 carried by the inner edge 4a of the collar 4, and bearing, in position closing, on the external face 2b of the piston 2.
  • the external face 2b of the piston 2 is provided with a central stud 5 forming a pusher on which the user manually presses to obtain product delivery.
  • the stud is made in one piece with piston 2 or in the form of an insert then glued or welded.
  • the collar 4 thus forms a cup in the center of which is arranged a nut of product.
  • the lip 21 returns then resiliently in its initial sealing position while the piston 2 rises under the action of spring 3, by opening the valve 11. A dose of product is thus drawn into the container via the orifice 10 and comes to fill the chamber 12. The distributor is then ready for new use.
  • the part bottom of bowl 1 consists of a flat bottom 1d provided with the orifice inlet 10 and which is connected to the side wall 1b by a sidewall frustoconical 1c.
  • the bowl 1 has ribs 13 extending along the part lower of its internal side wall 1a and over a sufficient height to allow the escape of air at the initiation by deformation forced piston 2.
  • the internal face 2a of the piston 2 comprises a central sleeve 22 ensuring both the coaxial guiding of the spring with the X axis of the distributor and the end stop against the bottom 1d of the bowl.
  • the height of the sleeve 22 is therefore determined by taking account of the position and height of the ribs 13.
  • the embodiment of the dispenser represents in the figures 1a and 1b includes a vent 14 produced in the form of a cutout 14a of the upper edge 1a of the bowl 1. This cutout 14a communicates in opening phase, the metering chamber 12 with the outside.
  • Figures 2a and 2b show a second embodiment of the distributor of the invention.
  • the elastically annular zone deformable from the wall of the chamber 12 is located on the side wall 1b of bowl 1, consisting of peripheral thinning 15 likely to be elastically deformed by the rigid edge 20 of the piston 2.
  • the rigid edge 20 has a lateral flank provided an annular projection 20a intended to come into deforming support against the internal side wall of the bowl 1.
  • the peripheral thinning 15 is here in the form of cavities or grooves made in hollow on the external face of the side wall 1b At the thinnings 15, the side wall 1b deforms outward under product pressure, thereby releasing a passage P between the projection 20a of the piston 2 and the internal face of thinning 15.
  • the radially inner edge 4a of the collar 4 comes in direct support against the external face 2b of the piston 2 in the high position.
  • the annular zone elastically deformable is still located on the side wall 1b of the bowl 1 but here it consists of a peripheral part, made with a flexible elastomer material, possibly different from the material rigid bowl.
  • This arrangement can be made for example using a bi-injection molding process.
  • the area elastically deformable annular of the wall of the chamber 12 is consisting of a flexible lip 26 carried by the lower end of a central cylinder 28 integral with the piston 2 and projecting inside said room.
  • the lip 26 cooperates with a peripheral scraping element 6 fixed on the internal face 2a of the piston 2.
  • the passage P for the evacuation of the product is constituted, from of chamber 12 and from lip 26, of enclosure 12a delimited around of the cylinder 28 by the scraping element 6, on the one hand, and the lip 26, on the other hand, then by a network of vertical conduits 27 formed on the around the cylinder 28.
  • the conduits 27 communicate, at their lower end with enclosure 12a and at their upper end with a network of conduits transverse 29 opening to the outside on the periphery of the stud central 5.
  • the lip 26 is inclined relative to the axis X of the dispenser and rests, in the closed position of the enclosure 12a, on the edge radially inside 6a of the scraping element 6.
  • the pressure generated in the chamber 12 by the descent of the piston 2 causes the bending towards the top of the lip 26 and the opening of the enclosure 12a.
  • the seal is ensured by permanence between the side edge 20 of the piston 2 and the side wall 1b of the bowl 1.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The invention relates to a dispenser for dispensing viscous liquids, which dispenser is designed to be mounted on a container; said dispenser being characterized in that it comprises a bowl (1) whose bottom is provided with an inlet orifice (10) equipped with a valve (11), and whose top is closed off by a piston (2) that is urged back into its high position by a spring (3) and that co-operates with the inside wall of the bowl to define a metering chamber (12), the wall of said chamber including an annular zone, all or part of which is elastically deformable so as to act, under the effect of the pressure generated inside the chamber (12) to release a passageway (P) via which the liquid can be removed, which passageway opens out peripherally to the outside.

Description

La présente invention concerne un distributeur à mode de délivrance périphérique destiné à être monté sur un récipient de produits liquides à viscosité élevée, tels que des gels, crèmes, pâtes...The present invention relates to a mode dispenser for peripheral delivery intended to be mounted on a container of high viscosity liquid products, such as gels, creams, pastes ...

Il existe déjà des distributeurs comprenant une pompe montée sur le col d'un récipient et délivrant le produit via un passage axial formé notamment par un tube gicleur.There are already distributors including a mounted pump on the neck of a container and delivering the product via an axial passage formed in particular by a spray tube.

Les documents US 3,502,035, FR 2 517 990 et US 5,282,552 divulguent des distributeurs de produits liquides du type comprenant un bol dont le bord supérieur est fixé sur une collerette de liaison avec le col d'un récipient, ledit bol étant pourvu, à sa partie inférieure d'un orifice d'admission équipé d'un clapet et obturé à sa partie supérieure par un piston rappelé en position haute par un ressort en délimitant avec la paroi interne du bol une chambre de dosage.Documents US 3,502,035, FR 2,517,990 and US 5,282,552 disclose distributors of liquid products of the type comprising a bowl whose upper edge is fixed on a connecting flange with the neck of a container, said bowl being provided, at its lower part with a inlet port fitted with a valve and closed at its upper part by a piston returned to the high position by a spring delimiting with the inner wall of the bowl a metering chamber.

Cependant, ces distributeurs ne conviennent pas à certains types de conditionnement, pour lesquels on recherche un mode de distribution finale périphérique ou tout au moins latéral et non plus axial.However, these dispensers are not suitable for certain types conditioning, for which we are looking for a mode of peripheral or at least lateral final distribution and no longer axial.

La présente invention a pour but de résoudre ce problème technique de manière satisfaisante.The object of the present invention is to solve this problem technique satisfactorily.

Ce but est atteint au moyen d'un distributeur tel que défini dans la première partie de la revendication 1.This goal is achieved by means of a dispenser as defined in the first part of claim 1.

Selon une caractéristique avantageuse la face interne de ladite collerette comporte une gorge délimitée, du côté radialement extérieur, par une couronne dans laquelle est engagé et verrouillé le bord supérieur du bol.According to an advantageous characteristic the internal face of said collar has a delimited groove, on the radially outer side, by a crown in which the edge is engaged and locked upper part of the bowl.

Selon un mode de réalisation spécifique, le bord intérieur de ladite collerette forme une butée haute pour le piston en assurant ainsi sa retenue dans le bol.According to a specific embodiment, the inner edge of said flange forms a high stop for the piston thus ensuring its retention in the bowl.

Selon encore une autre caractéristique, la face externe du piston est pourvue d'un plot central formant poussoir.According to yet another characteristic, the external face of the piston is provided with a central stud forming a pusher.

De préférence, le bol comporte des nervures s'étendant le long de la partie inférieure de sa paroi latérale interne sur une hauteur suffisante pour permettre l'échappement de l'air à l'amorçage par déformation forcée du piston.Preferably, the bowl has ribs extending along of the lower part of its internal side wall over a height sufficient to allow the escape of air upon priming by forced piston deformation.

Il est prévu que la face interne du piston comporte un manchon central assurant à la fois le guidage coaxial du ressort et la butée de fin de course contre le fond du bol.It is expected that the internal face of the piston includes a sleeve central ensuring both the coaxial guidance of the spring and the end stop against the bottom of the bowl.

En outre, le distributeur de l'invention comporte, le cas échéant, un évent réalisé sous forme d'une découpe du bord supérieur du bol.In addition, the dispenser of the invention comprises, where appropriate, a vent made in the form of a cutout from the upper edge of the bowl.

Selon une première variante de réalisation, ladite zone annulaire élastiquement déformable est réalisée sur le pourtour du piston en étant constituée d'une lèvre souple dont l'extrémité libre est en position de fermeture, en appui étanche contre la paroi latérale interne du bol.According to a first alternative embodiment, said annular zone elastically deformable is produced on the periphery of the piston being consisting of a flexible lip whose free end is in position closure, sealingly against the internal side wall of the bowl.

Dans ce cas, la face externe du piston est pourvue, à la jonction avec ladite lèvre, d'éléments raidisseurs.In this case, the external face of the piston is provided, at the junction with said lip, stiffening elements.

Selon une seconde variante, ladite zone annulaire élastiquement déformable est située sur la paroi latérale du bol en étant constituée d'amincissements périphériques, susceptibles d'être déformés élastiquement par le bord rigide du piston.According to a second variant, said elastically annular zone deformable is located on the side wall of the bowl by being constituted peripheral thinning, which may be distorted elastically by the rigid edge of the piston.

Dans ce cas, le bord rigide du piston comporte un flanc latéral pourvu d'une saillie destinée à venir en appui contre la paroi latérale déformable du bol.In this case, the rigid edge of the piston has a lateral flank provided with a projection intended to come into abutment against the side wall deformable bowl.

Selon une autre variante, ladite zone élastiquement déformable est située sur la paroi latérale du bol, et est constituée d'une partie périphérique réalisée avec une matière élastomère souple éventuellement différente de la matière rigide constituant les autres parties du bol.According to another variant, said elastically deformable zone is located on the side wall of the bowl, and consists of a part peripheral made with a flexible elastomeric material possibly different from the rigid material constituting the others parts of the bowl.

Selon encore une autre variante, ladite zone annulaire élastiquement déformable est constituée d'une lèvre souple portée, d'une part, par l'extrémité inférieure d'un cylindre central solidaire du piston et faisant saillie à l'intérieur de la chambre de dosage et coopérant, d'autre part, avec un élément périphérique de raclage fixé sur la face interne du piston.According to yet another variant, said annular zone elastically deformable consists of a flexible lip carried, a part, by the lower end of a central cylinder integral with the piston and projecting inside the metering chamber and cooperating, on the other hand, with a peripheral scraping element fixed on the face internal piston.

Dans ce dernier cas, le passage d'évacuation du produit est constitué à partir de la lèvre, de l'enceinte délimité autour du cylindre central par ledit élément de raclage, d'une part, et la lèvre, d'autre part, puis par un réseau de conduits verticaux ménagés sur le pourtour dudit cylindre et communiquant, à leur extrémité inférieure avec ladite enceinte et à leur extrémité supérieure avec un réseau de conduits transversaux débouchant à l'extérieur.In the latter case, the product discharge passage is formed from the lip, the enclosure delimited around the cylinder central by said scraping element, on the one hand, and the lip, on the other hand, then by a network of vertical conduits arranged around the periphery of said cylinder and communicating, at their lower end with said enclosure and at their upper end with a network of conduits transverse opening to the outside.

Toujours dans ce cas, ladite lèvre est inclinée par rapport à l'axe du distributeur et s'appuie en position de fermeture sur le bord radialement intérieur de l'élément de raclage.Still in this case, said lip is inclined relative to the axis of the dispenser and rests in the closed position on the edge radially inside of the scraper element.

Le distributeur de la présente invention est plus particulièrement destiné à des produits visqueux pour lesquels elle offre un mode de délivrance original et esthétique.The dispenser of the present invention is more particularly intended for viscous products for which it offers a mode of original and aesthetic delivery.

Ce distributeur qui possède une structure simple, et donc facile à réaliser et à assembler.This distributor which has a simple structure, and therefore easy to make and assemble.

Il peut s'adapter très facilement, selon les variantes de réalisation, aussi bien à des systèmes du type "atmosphérique" que du type "airless".It can be adapted very easily, depending on the variants of realization, as well to systems of the "atmospheric" type as of "airless" type.

L'invention sera mieux comprise à la lecture de la description qui va suivre, accompagnée des dessins sur lesquels :

  • les figures 1a et 1b représentent des vues en coupe d'un premier mode de réalisation du distributeur de l'invention, respectivement en position de fermeture et en position d'ouverture ;
  • les figures 2a et 2b représentent des vues en coupe d'un second mode de réalisation du distributeur de l'invention, respectivement en position de fermeture et en position d'ouverture ;
  • les figures 3a et 3b représentent des vues en coupe d'un troisième mode de réalisation du distributeur de l'invention, respectivement en position de fermeture et d'ouverture.
The invention will be better understood on reading the description which follows, accompanied by the drawings in which:
  • Figures 1a and 1b show sectional views of a first embodiment of the dispenser of the invention, respectively in the closed position and in the open position;
  • Figures 2a and 2b show sectional views of a second embodiment of the dispenser of the invention, respectively in the closed position and in the open position;
  • Figures 3a and 3b show sectional views of a third embodiment of the dispenser of the invention, respectively in the closed and open position.

Le distributeur représenté en coupe sur les figures 1a et 1b est destiné à être monté sur un récipient (non représenté) de produits liquides visqueux.The distributor shown in section in Figures 1a and 1b is intended to be mounted on a container (not shown) of products viscous liquids.

Ce distributeur comprend un bol 1 pourvu à sa partie inférieure d'un orifice d'admission 10 prolongé ici vers le bas, par un tube plongeur 10a qui est destiné à faire saillie à l'intérieur du récipient.This dispenser includes a bowl 1 provided at its lower part an inlet 10 extended here downwards, by a tube plunger 10a which is intended to protrude inside the container.

L'orifice d'admission 10 est équipé d'un clapet 11 réalisé ici sous forme d'une bille 11a reposant sur un siège 11b.The inlet 10 is equipped with a valve 11 produced here in the form of a ball 11a resting on a seat 11b.

Le bol 1 est obturé à sa partie supérieure par un piston 2, rappelé en position haute par un ressort 3, et délimitant avec la paroi interne du bol 1 une chambre de dosage 12. The bowl 1 is closed at its upper part by a piston 2, returned to the high position by a spring 3, and delimiting with the wall internal of the bowl 1 a dosing chamber 12.

Selon l'invention, il est prévu qu'une zone annulaire de la paroi de la chambre 12 est, en tout ou partie, élastiquement déformable pour libérer, sous l'effet du piston 2, un passage d'évacuation du produit, débouchant de façon périphérique à l'extérieur.According to the invention, it is provided that an annular zone of the wall of the chamber 12 is, in whole or in part, elastically deformable for free, under the effect of the piston 2, a product discharge passage, opening out peripherally to the outside.

Dans le mode de réalisation des figures 1a et 1b, la zone annulaire déformable est réalisée sur le pourtour du piston 2 en étant constituée d'une lèvre souple 21 dont l'extrémité libre 21a est en position de fermeture, en appui étanche contre la paroi latérale interne 1b du bol 1 (voir figure 1a).In the embodiment of Figures 1a and 1b, the area deformable ring is made on the periphery of the piston 2 while being consisting of a flexible lip 21 whose free end 21a is in closed position, sealed against the internal side wall 1b of bowl 1 (see figure 1a).

A l'état libre, la lèvre souple périphérique 21 est inclinée vers le haut avec un angle α voisin de 45° par rapport au plan de la partie centrale 23 du piston 2 sur la face interne de laquelle appuie le ressort 3.In the free state, the peripheral flexible lip 21 is inclined towards the high with an angle α close to 45 ° relative to the plane of the part central 23 of piston 2 on the internal face of which supports spring 3.

La face externe 2b du piston 2 est pourvue, à la jonction entre la partie plane centrale 23 et la lèvre périphérique 21, d'éléments raidisseurs 24.The external face 2b of the piston 2 is provided, at the junction between the central flat part 23 and the peripheral lip 21, of elements stiffeners 24.

Le bord supérieur 1a du bol 1 est fixé sur une collerette 4 de liaison avec le col du récipient (non représenté).The upper edge 1a of the bowl 1 is fixed on a flange 4 of connection with the container neck (not shown).

A cet effet, la face interne de la collerette 4 comporte une gorge 40, délimitée du côté radialement extérieur par une couronne 41 dans laquelle est engagé et verrouillé le bord supérieur 1a du bol 1.To this end, the internal face of the collar 4 has a groove 40, delimited on the radially outer side by a ring 41 in which is engaged and locked the upper edge 1a of the bowl 1.

La collerette 4 est de préférence tronconique en étant inclinée vers le centre du distributeur, et son bord intérieur 4a forme une butée haute pour le piston 2 en assurant ainsi sa retenue dans le bol 1.The collar 4 is preferably frustoconical by being inclined towards the center of the dispenser, and its inner edge 4a forms a stop high for piston 2, thus ensuring its retention in bowl 1.

Dans le mode de réalisation des figures 1a et 1b, la gorge 40 est délimitée du côté radialement intérieur par un jonc annulaire 42 porté par le bord intérieur 4a de la collerette 4, et prenant appui, en position de fermeture, sur la face externe 2b du piston 2.In the embodiment of Figures 1a and 1b, the groove 40 is delimited on the radially inner side by an annular ring 42 carried by the inner edge 4a of the collar 4, and bearing, in position closing, on the external face 2b of the piston 2.

La face externe 2b du piston 2 est pourvue d'un plot central 5 formant poussoir sur lequel appuie manuellement l'utilisateur pour obtenir la délivrance du produit. Le plot est réalisé d'une seule pièce avec le piston 2 ou sous forme d'une pièce rapportée puis collée ou soudée.The external face 2b of the piston 2 is provided with a central stud 5 forming a pusher on which the user manually presses to obtain product delivery. The stud is made in one piece with piston 2 or in the form of an insert then glued or welded.

Lorsque le piston 2 est enfoncé dans le bol 1 par appui de sur sa face externe 2b, la pression est transmise dans la chambre de dosage 12 au produit qui l'occupe. Le produit étant incompressible, la lèvre souple 21 va se déformer en priorité en pivotant vers le haut et libérer ainsi un passage P, pour l'évacuation du produit, entre l'extrémité libre 21a de la lèvre 21 et la paroi latérale interne 1a du bol 1, en regard (voir figure 1b). Après avoir franchit le passage P, le produit se dirige vers l'extérieur en traversant la gorge 40 puis, en contournant de façon périphérique, le bord intérieur 4a de la collerette 4.When the piston 2 is pressed into the bowl 1 by pressing on its external face 2b, the pressure is transmitted in the metering chamber 12 to the product that occupies it. The product being incompressible, the flexible lip 21 will deform in priority by pivoting upwards and thus release a passage P, for the discharge of the product, between the free end 21a of the lip 21 and the internal lateral wall 1a of the bowl 1, opposite (see Figure 1b). After crossing the passage P, the product goes to the exterior by crossing the throat 40 then, bypassing so peripheral, the inner edge 4a of the collar 4.

La collerette 4 forme ainsi une coupelle au centre de laquelle est disposée une noix de produit. Lorsque l'appui cesse, la lèvre 21 revient alors élastiquement dans sa position initiale d'étanchéité tandis que le piston 2 remonte sous l'action du ressort 3, en ouvrant le clapet 11. Une dose de produit est ainsi aspirée dans le récipient via l'orifice d'admission 10 et vient remplir la chambre 12. Le distributeur est alors prêt pour une nouvelle utilisation.The collar 4 thus forms a cup in the center of which is arranged a nut of product. When the support stops, the lip 21 returns then resiliently in its initial sealing position while the piston 2 rises under the action of spring 3, by opening the valve 11. A dose of product is thus drawn into the container via the orifice 10 and comes to fill the chamber 12. The distributor is then ready for new use.

Dans le mode de réalisation des figures 1a et 1b, la partie inférieure du bol 1 est constituée d'un fond plat 1d pourvu de l'orifice d'admission 10 et qui se raccorde à la paroi latérale 1b par un flanc tronconique 1c.In the embodiment of FIGS. 1a and 1b, the part bottom of bowl 1 consists of a flat bottom 1d provided with the orifice inlet 10 and which is connected to the side wall 1b by a sidewall frustoconical 1c.

Le bol 1 comporte des nervures 13 s'étendant le long de la partie inférieure de sa paroi latérale interne 1a et sur une hauteur suffisante pour permettre l'échappement de l'air à l'amorçage par déformation forcée du piston 2.The bowl 1 has ribs 13 extending along the part lower of its internal side wall 1a and over a sufficient height to allow the escape of air at the initiation by deformation forced piston 2.

La face interne 2a du piston 2 comporte un manchon central 22 assurant à la fois le guidage coaxial du ressort avec l'axe X du distributeur et la butée de fin de course contre le fond 1d du bol.The internal face 2a of the piston 2 comprises a central sleeve 22 ensuring both the coaxial guiding of the spring with the X axis of the distributor and the end stop against the bottom 1d of the bowl.

La hauteur du manchon 22 est donc déterminée en tenant compte de la position et de la hauteur des nervures 13.The height of the sleeve 22 is therefore determined by taking account of the position and height of the ribs 13.

Lors de la descente du piston 2 dans la chambre 12, la bille 11a du clapet 11 vient se loger à l'intérieur du manchon 22.When the piston 2 descends into the chamber 12, the ball 11a of the valve 11 is housed inside the sleeve 22.

Le mode de réalisation du distributeur représente sur les figures 1a et 1b comporte un évent 14 réalisé sous forme d'une découpe 14a du bord supérieur 1a du bol 1. Cette découpe 14a fait communiquer en phase d'ouverture, la chambre de dosage 12 avec l'extérieur.The embodiment of the dispenser represents in the figures 1a and 1b includes a vent 14 produced in the form of a cutout 14a of the upper edge 1a of the bowl 1. This cutout 14a communicates in opening phase, the metering chamber 12 with the outside.

Les figures 2a et 2b représentent un second mode de réalisation du distributeur de l'invention.Figures 2a and 2b show a second embodiment of the distributor of the invention.

Dans ce mode de réalisation, la zone annulaire élastiquement déformable de la paroi de la chambre 12, est située sur la paroi latérale 1b du bol 1 en étant constituée d'amincissements périphériques 15 susceptibles d'être déformés élastiquement par le bord rigide 20 du piston 2.In this embodiment, the elastically annular zone deformable from the wall of the chamber 12, is located on the side wall 1b of bowl 1, consisting of peripheral thinning 15 likely to be elastically deformed by the rigid edge 20 of the piston 2.

A cet effet, le bord rigide 20 comporte un flanc latéral pourvu d'une saillie annulaire 20a destinée à venir en appui déformant contre la paroi latérale interne du bol 1.To this end, the rigid edge 20 has a lateral flank provided an annular projection 20a intended to come into deforming support against the internal side wall of the bowl 1.

Les amincissements périphériques 15 sont ici sous forme de cavités ou de cannelures réalisées en creux sur la face externe de la paroi latérale 1b Au niveau des amincissements 15, la paroi latérale 1b se déforme vers l'extérieur sous la pression du produit en libérant ainsi un passage P entre la saillie 20a du piston 2 et la face interne de l'amincissement 15.The peripheral thinning 15 is here in the form of cavities or grooves made in hollow on the external face of the side wall 1b At the thinnings 15, the side wall 1b deforms outward under product pressure, thereby releasing a passage P between the projection 20a of the piston 2 and the internal face of thinning 15.

Dans le mode de réalisation des figures 2a, 2b le manchon 22 est remplacé par une douille 25 délimitant une cavité centrale ménagée dans le corps du piston 2.In the embodiment of Figures 2a, 2b the sleeve 22 is replaced by a socket 25 delimiting a central cavity formed in the piston body 2.

La face inférieure 2a du piston vient alors directement en butée dans le fond 1d du bol 1 contre un bossage crénelé ou annulaire 16.The lower face 2a of the piston then comes directly into abutment in the bottom 1d of the bowl 1 against a crenellated or annular boss 16.

Le bord radialement intérieur 4a de la collerette 4 vient ici en appui direct contre la face externe 2b du piston 2 en position haute.The radially inner edge 4a of the collar 4 here comes in direct support against the external face 2b of the piston 2 in the high position.

Selon une variante, non représentée, la zone annulaire élastiquement déformable est encore située sur la paroi latérale 1b du bol 1 mais elle est ici constituée d'une partie périphérique, réalisée avec une matière élastomère souple, éventuellement différente de la matière rigide constituée du bol. Cette disposition peut être réalisée par exemple au moyen d'un procédé de moulage par bi-injection.According to a variant, not shown, the annular zone elastically deformable is still located on the side wall 1b of the bowl 1 but here it consists of a peripheral part, made with a flexible elastomer material, possibly different from the material rigid bowl. This arrangement can be made for example using a bi-injection molding process.

Dans le mode de réalisation des figures 3a et 3b, la zone annulaire élastiquement déformable de la paroi de la chambre 12, est constituée d'une lèvre souple 26 portée par l'extrémité inférieure d'un cylindre central 28 solidaire du piston 2 et faisant saillie à l'intérieur de ladite chambre.In the embodiment of Figures 3a and 3b, the area elastically deformable annular of the wall of the chamber 12, is consisting of a flexible lip 26 carried by the lower end of a central cylinder 28 integral with the piston 2 and projecting inside said room.

La lèvre 26 coopère avec un élément périphérique de raclage 6 fixé sur la face interne 2a du piston 2.The lip 26 cooperates with a peripheral scraping element 6 fixed on the internal face 2a of the piston 2.

Le passage P pour l'évacuation du produit est constitué, à partir de la chambre 12 et depuis la lèvre 26, de l'enceinte 12a délimité autour du cylindre 28 par l'élément de raclage 6, d'une part, et la lèvre 26, d'autre part, puis par un réseau de conduits verticaux 27 ménagés sur le pourtour du cylindre 28. The passage P for the evacuation of the product is constituted, from of chamber 12 and from lip 26, of enclosure 12a delimited around of the cylinder 28 by the scraping element 6, on the one hand, and the lip 26, on the other hand, then by a network of vertical conduits 27 formed on the around the cylinder 28.

Les conduits 27 communiquent, à leur extrémité inférieure avec l'enceinte 12a et à leur extrémité supérieure avec un réseau de conduits transversaux 29 débouchant à l'extérieur sur la périphérie du plot central 5.The conduits 27 communicate, at their lower end with enclosure 12a and at their upper end with a network of conduits transverse 29 opening to the outside on the periphery of the stud central 5.

La lèvre 26 est inclinée par rapport à l'axe X du distributeur et s'appuie, en position de fermeture de l'enceinte 12a, sur le bord radialement intérieur 6a de l'élément de raclage 6. La pression générée dans la chambre 12 par la descente du piston 2 provoque la flexion vers le haut de la lèvre 26 et l'ouverture de l'enceinte 12a.The lip 26 is inclined relative to the axis X of the dispenser and rests, in the closed position of the enclosure 12a, on the edge radially inside 6a of the scraping element 6. The pressure generated in the chamber 12 by the descent of the piston 2 causes the bending towards the top of the lip 26 and the opening of the enclosure 12a.

Dans ce mode de réalisation, l'étanchéité est assurée en permanence entre le bord latéral 20 du piston 2 et la paroi latérale 1b du bol 1.In this embodiment, the seal is ensured by permanence between the side edge 20 of the piston 2 and the side wall 1b of the bowl 1.

Claims (15)

  1. A dispenser for dispensing viscous liquid comprising a bowl (1) provided with an inlet orifice (10) extending downwards equipped with a valve (11) and closed at its upper part by a piston (2) urged towards a top position by a spring (3) in which the piston and the inner wall of said bowl define a metering chamber (12) comprising an annular zone at least partially elastically deformable so as to define an outlet passage (P) via which the liquid can be removed from said metering chamber when a pressure is generated inside said chamber, characterized in that said bowl is fixed by its top edge to a collar to be connected to the neck of a container, in that said collar (4) is frustoconical and slopes towards the center and is provided with an inside edge forming a top abutment for the piston, said collar (4) forms an annular dish inside which a small amount of liquid is retained when said piston is in abutment against said inside edge of the collar.
  2. A dispenser according to claim 1, characterized in that the inside face of said collar (4) is provided with a groove (40) which is defined on its radially-outermost side by a ring (41) and in which the top edge (1a) of the neck (1) is engaged and locked.
  3. A dispenser according to any preceding claim, characterized in that the inside edge (4a) of said collar (4) forms a high abutment for the piston (2), thereby retaining it in the bowl (1).
  4. A dispenser according to any preceding claim, characterized in that the outside face (2b) of the piston (2) is provided with a central stud (5) forming a pusher.
  5. A dispenser according to any preceding claim, characterized in that the bowl (1) is provided with ribs (13) extending along the bottom portion of its inside side wall (1b) over a height that is sufficient to enable air to escape on priming, by the piston (2) being forced to deform.
  6. A dispenser according to any preceding claim, characterized in that the inside face (2a) of the piston (2) is provided with a central sleeve (22) firstly guiding the spring (3) coaxially, and secondly acting as an end-of-stroke abutment by abutting against the bottom (1d) of the bowl (1).
  7. A dispenser according to any preceding claim, characterized in that it is optionally provided with a vent (14) in the form of a cutout (14a) in the top edge (1a) of the bowl (1).
  8. A dispenser according to any preceding claim, characterized in that said elastically-deformable annular zone is provided around the periphery of the piston (2) by being constituted by a flexible lip (21) whose free end abuts in leaktight manner against the inside side wall (1b) of the bowl (1) when in the closed position.
  9. A dispenser according to claim 8, characterized in that, where the outside face (2b) of the piston (2) meets said lip (21), said outside face is provided with stiffener elements (24).
  10. A dispenser according to any one of claims 1 to 7, said dispenser being characterized in that said elastically-deformable annular zone is situated on the side wall (1b) of the neck (1) by being constituted by peripheral thinned portions (15) suitable for being deformed elastically by the rigid edge of the piston (2).
  11. A dispenser according to claim 10, characterized in that the rigid edge of the piston (2) has a side flank (20) provided with a projection (20a) serving to come into deforming abutment against the deformable side wall (1b) of the bowl (1).
  12. A dispenser according to any one of claims 1 to 7, characterized in that said elastically-deformable zone is situated on the side wall (1b) of the bowl (1), and is constituted by a peripheral portion made of a flexible elastomer material that is optionally different from the rigid material constituting the other portions of the bowl (1).
  13. A dispenser according to any one of claims 1 to 7, characterized in that said elastically-deformable annular zone is constituted by a flexible lip (26) firstly carried by the bottom end of a central cylinder (28) secured to the piston (2) and projecting into the metering chamber (12), and secondly co-operating with a peripheral scraper element (6) fixed to the inside face (2a) of the piston (2).
  14. A dispenser according to claim 13, characterized in that, starting from the lip (26), the passageway (P) via which the liquid is removed is constituted firstly by the enclosure (12a) defined around the central cylinder (28) by said scraper element (6) and by said lip (26), and is constituted secondly by a set of vertical ducts (27) provided around the periphery of said cylinder (28) and communicating at their bottom ends with said enclosure (12a) and at their top ends with a set of transverse ducts (29) opening out to the outside.
  15. A dispenser according to claim 13 or 14, characterized in that said lip (26) slopes relative to its axis (X), and abuts against the radially-innermost edge (6a) of the scraper element (6) when in the closed position.
EP99970070A 1998-10-07 1999-10-05 Dispenser with peripheral delivery mode Expired - Lifetime EP1127013B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9812556A FR2784358B1 (en) 1998-10-07 1998-10-07 PERIPHERAL DELIVERY MODE DISPENSER
FR9812556 1998-10-07
PCT/FR1999/002370 WO2000020294A1 (en) 1998-10-07 1999-10-05 Dispenser with peripheral delivery mode

Publications (2)

Publication Number Publication Date
EP1127013A1 EP1127013A1 (en) 2001-08-29
EP1127013B1 true EP1127013B1 (en) 2003-08-13

Family

ID=9531292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99970070A Expired - Lifetime EP1127013B1 (en) 1998-10-07 1999-10-05 Dispenser with peripheral delivery mode

Country Status (15)

Country Link
US (1) US6334552B1 (en)
EP (1) EP1127013B1 (en)
JP (1) JP2002526347A (en)
CN (1) CN1207174C (en)
AT (1) ATE247039T1 (en)
AU (1) AU5989199A (en)
BR (1) BR9914462A (en)
CA (1) CA2346383A1 (en)
DE (1) DE69910417T2 (en)
DK (1) DK1127013T3 (en)
ES (1) ES2205942T3 (en)
FR (1) FR2784358B1 (en)
HK (1) HK1040226B (en)
PT (1) PT1127013E (en)
WO (1) WO2000020294A1 (en)

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Publication number Priority date Publication date Assignee Title
AUPQ855800A0 (en) 2000-07-04 2000-07-27 Brennan, James William Dispenser head
GB0320883D0 (en) * 2003-09-05 2003-10-08 Brightwell Dispensers Ltd Fluid pump
FR2929249B1 (en) * 2008-03-27 2012-02-17 Rexam Pharma La Verpilliere DEVICE FOR DISPENSING LIQUID CONTAINED IN A RESERVOIR
FR2937018B1 (en) * 2008-10-15 2012-06-01 Rexam Pharma La Verpilliere LIQUID DISPENSING DEVICE HAVING A DISPLACABLE SEALING MEMBER UNDER THE EFFECT OF A USER'S PRESSURE
ITBS20120109A1 (en) * 2012-07-17 2014-01-18 Guala Dispensing Spa TRIGGER SUPPLY DEVICE
IN2015DN01611A (en) * 2012-08-31 2015-07-03 Coca Cola Co
ITRM20130562A1 (en) * 2013-10-11 2015-04-12 Manuele Casale DISTRIBUTION DEVICE FOR A SUBSTANCE IN THE FORM OF AEROSOL
CN104760772A (en) * 2015-03-25 2015-07-08 余姚晟祺塑业有限公司 Sealing structure of emulsion pump
WO2017050390A1 (en) 2015-09-25 2017-03-30 Sca Hygiene Products Ab Pump for dispensing fluids
CA2999189A1 (en) 2015-09-25 2017-03-30 Sca Hygiene Products Ab Pump with a polymer spring
AU2017406105B2 (en) 2017-03-29 2021-07-22 Essity Hygiene And Health Aktiebolag Plastomer spring with captive valve
EP3536634B1 (en) * 2018-03-09 2021-04-28 Aptar Radolfzell GmbH Dispenser for discharging liquids and method of operation
DE102019110454A1 (en) * 2018-04-24 2019-10-24 Gerhard Brugger Dispensers
CN109229827B (en) * 2018-07-31 2024-01-19 甘肃科能热力设备研发有限公司 Device for quantitatively taking out paste
EP4227006A1 (en) * 2022-02-14 2023-08-16 Kao Germany GmbH Pump housing arrangement and use of a dispenser pump
CN116571379B (en) * 2023-03-13 2025-07-04 湖北世亮汽车零部件有限公司 Automatic automobile spraying system and spraying method

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FR1502925A (en) * 1966-10-12 1967-11-24 Vaporisateurs Marcel Franck Improvements to piston pumps for dispensing liquids or fluid pastes
CS235119B1 (en) * 1981-12-16 1985-05-15 Miloslav Sorm Double-acting mechanical pump for liquid sprayers
US4757922A (en) * 1986-11-20 1988-07-19 Menda Scientific Products, Inc. Liquid dispenser
US5282552A (en) * 1991-05-20 1994-02-01 Hygiene-Technik Inc. Disposable plastic liquid pump
US5687877A (en) * 1995-11-03 1997-11-18 Owens-Illinois Closure Inc. Pump dispenser having moveable outlet check valve element
US5871126A (en) * 1996-01-22 1999-02-16 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Pump dispenser

Also Published As

Publication number Publication date
CA2346383A1 (en) 2000-04-13
PT1127013E (en) 2003-12-31
US6334552B1 (en) 2002-01-01
CN1322178A (en) 2001-11-14
ES2205942T3 (en) 2004-05-01
FR2784358A1 (en) 2000-04-14
EP1127013A1 (en) 2001-08-29
HK1040226A1 (en) 2002-05-31
ATE247039T1 (en) 2003-08-15
HK1040226B (en) 2006-01-13
BR9914462A (en) 2001-11-06
JP2002526347A (en) 2002-08-20
DE69910417D1 (en) 2003-09-18
WO2000020294A1 (en) 2000-04-13
FR2784358B1 (en) 2000-12-29
DK1127013T3 (en) 2003-12-01
CN1207174C (en) 2005-06-22
DE69910417T2 (en) 2004-06-24
AU5989199A (en) 2000-04-26

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