EP1315579A1 - Liquid product dispenser - Google Patents

Liquid product dispenser

Info

Publication number
EP1315579A1
EP1315579A1 EP01967449A EP01967449A EP1315579A1 EP 1315579 A1 EP1315579 A1 EP 1315579A1 EP 01967449 A EP01967449 A EP 01967449A EP 01967449 A EP01967449 A EP 01967449A EP 1315579 A1 EP1315579 A1 EP 1315579A1
Authority
EP
European Patent Office
Prior art keywords
bellows
valve
collar
head
chamber
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.)
Granted
Application number
EP01967449A
Other languages
German (de)
French (fr)
Other versions
EP1315579B1 (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.)
Albea 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 EP1315579A1 publication Critical patent/EP1315579A1/en
Application granted granted Critical
Publication of EP1315579B1 publication Critical patent/EP1315579B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • 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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
    • 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
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Steroid Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Telephone Function (AREA)
  • Formation And Processing Of Food Products (AREA)

Abstract

The invention relates to a liquid dispenser of the type comprising a reservoir (R1, R2) provided at its top with an outflow orifice (V) which is closed off by an inlet valve (a) and which opens out into a metering chamber (10) of variable volume, which chamber communicates, via an outlet valve (e), with a discharge duct (c) provided in a dispensing head (T), the dispenser being characterized in that the metering chamber (10) is defined by a wall of a bellows (1) that is elastically deformable, at least in part.

Description

DISTRIBUTEUR DE PRODUIT LIQUIDE LIQUID PRODUCT DISTRIBUTOR
La présente invention concerne un distributeur de produits liquides.The present invention relates to a dispenser for liquid products.
Il existe déjà un grand nombre de distributeurs du type comprenant un réservoir pourvu en partie supérieure d'un orifice d'évacuation obturé par un clapet d'admission et débouchant dans une chambre de dosage de volume variable communiquant via un clapet d'échappement avec un conduit d'éjection ménagé dans une tête de distribution. Cependant, dans ces distributeurs, les variations de volume de la chambre de dosage et la nécessaire compression du produit qui l'occupe en vue de son éjection sont obtenues au moyen d'un piston travaillant axialement dans ladite chambre. Ce piston coopère généralement avec des moyens de rappel élastique sous forme d'un ou plusieurs ressorts hélicoïdaux métalliques.There are already a large number of dispensers of the type comprising a reservoir provided in the upper part with a discharge orifice closed by an intake valve and opening into a metering chamber of variable volume communicating via an exhaust valve with a ejection duct formed in a dispensing head. However, in these dispensers, the variations in volume of the metering chamber and the necessary compression of the product which occupies it with a view to its ejection are obtained by means of a piston working axially in said chamber. This piston generally cooperates with elastic return means in the form of one or more metal helical springs.
Par ailleurs, les structures respectives de chacun des clapets sont notablement distinctes du fait que le clapet d'admission travaille sans contrainte à la différence du clapet d'échappement qui est soumis quant à lui aux fortes pressions régnant dans la chambre et qui fonctionne donc à la manière d'une soupape.Furthermore, the respective structures of each of the valves are notably distinct from the fact that the intake valve works without constraint unlike the exhaust valve which is itself subjected to the high pressures prevailing in the chamber and which therefore operates at the way of a valve.
En outre, selon un mode de réalisation simple et très répandu, le clapet d'admission comporte une bille métallique au contact du produit.In addition, according to a simple and widely used embodiment, the intake valve includes a metal ball in contact with the product.
Il en résulte que les distributeurs traditionnels sont composites car ils possèdent à la fois des pièces métalliques et des pièces en matières plastiques, ce qui pose des problèmes de fabrication, de montage et de recyclage et présente des risques de détérioration des qualités du produit.As a result, traditional distributors are composite because they have both metal parts and plastic parts, which poses manufacturing, assembly and recycling problems and presents risks of deterioration of the qualities of the product.
La présente invention a pour but de résoudre ces problèmes techniques de manière satisfaisante en utilisant une unique matière constitutive aisément recyclable.The present invention aims to solve these technical problems satisfactorily by using a single easily recyclable constituent material.
Ce but est atteint, selon l'invention, au moyen d'un distributeur du type précédent, caractérisé en ce que ladite chambre de dosage est délimitée par la paroi d'un soufflet au moins partiellement élastiquement deformable. Selon une caractéristique avantageuse, l'orifice d'évacuation du réservoir est situé à l'extrémité d'une douille cylindrique recevant le clapet d'admission.This object is achieved, according to the invention, by means of a distributor of the above type, characterized in that said metering chamber is delimited by the wall of an at least partially elastically deformable bellows. According to an advantageous characteristic, the evacuation orifice of the tank is located at the end of a cylindrical socket receiving the intake valve.
Selon une autre caractéristique, ledit clapet d'échappement est logé dans un collet prolongeant ladite chambre et se raccordant au conduit d'éjection de ladite tête.According to another characteristic, said exhaust valve is housed in a collar extending said chamber and connecting to the ejection duct of said head.
Selon encore une autre caractéristique, les éléments mobiles du clapet d'admission et du clapet d'échappement sont identiques.According to yet another characteristic, the movable elements of the intake valve and of the exhaust valve are identical.
Selon une variante, la hauteur de douille est inférieure à la hauteur dudit collet de telle sorte que le clapet d'échappement soit sous contraintes.According to a variant, the height of the sleeve is less than the height of said collar so that the exhaust valve is under stress.
Selon un mode de réalisation spécifique, chacun desdits clapets possède une capsule tronconique obturante et élastiquement deformable prolongée par des ergots d'encliquetage délimitant entre eux des canaux pour le passage du produit.According to a specific embodiment, each of said valves has a tapered and elastically deformable capsule extended by snap lugs delimiting between them channels for the passage of the product.
Selon une autre variante, ledit réservoir est équipé d'une collerette dont la paroi latérale assure le guidage de la tête de distribution et son bord supérieur la retenue de ladite tête.According to another variant, said reservoir is equipped with a collar whose side wall guides the dispensing head and its upper edge retains said head.
De préférence, le soufflet est fixé à la partie supérieure du réservoir.Preferably, the bellows is fixed to the upper part of the tank.
Selon d'autres caractéristiques, ledit soufflet comporte un épaulement supérieur sur lequel prennent appui des ailettes de rigidification portées par ladite tête.According to other characteristics, said bellows comprises an upper shoulder on which bear stiffening fins carried by said head.
Le distributeur de l'invention possède une structure très simple et ergonomique constituée d'un nombre restreint de pièces. Il présente, en outre, l'avantage industriel et économique de pouvoir être réalisé par moulage (injection ou compression) en utilisant une seule et même matière plastique pour toutes les pièces constitutives, ce qui permet au surplus de préserver les qualités du produit. La présente invention sera mieux comprise à la lecture de la description qui va suivre accompagnée des dessins sur lesquels.The dispenser of the invention has a very simple and ergonomic structure consisting of a limited number of parts. It also has the industrial and economic advantage of being able to be produced by molding (injection or compression) using a single plastic material for all the constituent parts, which also allows the qualities of the product to be preserved. The present invention will be better understood on reading the description which follows, accompanied by the drawings on which.
La figure 1 représente une vue partielle en coupe d'un mode de réalisation du distributeur de l'invention.Figure 1 shows a partial sectional view of an embodiment of the dispenser of the invention.
Les figures 2A et 2B représentent des demi-vues en coupe des clapets respectivement d'admission et d'échappement du distributeur de la figure 1. La figure 3 représente une vue en coupe d'une variante de réalisation du distributeur de la figure 1.FIGS. 2A and 2B show half-views in section of the inlet and outlet valves of the dispenser of FIG. 1, respectively. FIG. 3 represents a sectional view of an alternative embodiment of the dispenser of FIG. 1.
La figure 4 représente une vue de détail en perspective d'un élément mobile de clapet du distributeur de la figure 1. Le distributeur de produits liquides représenté sur les figures comprend un réservoir en une ou plusieurs pièces (R - figure 1 ou Ri, R2, R3 - figure 3) pourvu, en partie supérieure, d'un orifice d'évacuation V obturé par un clapet d'admission a et débouchant dans une chambre de dosage 10 de volume variable. La chambre de dosage 10 communique, en outre, via un clapet d'échappement e, avec un conduit d'éjection C ménagé à l'intérieur d'une tête de distribution T formant ici bouton- poussoir.FIG. 4 represents a detailed perspective view of a movable valve element of the dispenser of FIG. 1. The dispenser of liquid products shown in the figures comprises a reservoir in one or more parts (R - FIG. 1 or Ri, R 2 , R 3 - Figure 3) provided, in the upper part, with a discharge orifice V closed by an intake valve a and opening into a metering chamber 10 of variable volume. The metering chamber 10 communicates, moreover, via an exhaust valve e, with an ejection conduit C formed inside a dispensing head T forming here push-button.
La chambre 10 est délimitée par la paroi d'un soufflet 1 qui est au moins partiellement élastiquement deformable. L'orifice d'évacuation V du réservoir R, R2 est situé à l'extrémité d'une douille cylindrique D recevant le clapet d'admission a et faisant saillie dans la chambre 10.The chamber 10 is delimited by the wall of a bellows 1 which is at least partially elastically deformable. The evacuation orifice V of the reservoir R, R 2 is situated at the end of a cylindrical sleeve D receiving the intake valve a and projecting into the chamber 10.
Le clapet d'échappement e est, quant à lui, logé dans un collet 12 solidaire du soufflet 1, prolongeant la chambre de dosage 10 vers le haut et se raccordant coaxialement au conduit d'éjection C de la tête T.The exhaust valve e is, for its part, housed in a collar 12 integral with the bellows 1, extending the metering chamber 10 upwards and connecting coaxially to the ejection duct C of the head T.
Le réservoir R, R2 est équipé d'une collerette r dont la paroi latérale assure le guidage de la tête T dans son déplacement axial. Le bord supérieur de la collerette est pourvu d'un jonc périphérique j assurant, par coopération avec une nervure complémentaire n, la retenue de la tête T sur le réservoir et le verrouillage de l'ensemble des composants du distributeur.The reservoir R, R 2 is equipped with a collar r whose side wall guides the head T in its axial displacement. The upper edge of the collar is provided with a peripheral ring j ensuring, by cooperation with a complementary rib n, the retention of the head T on the reservoir and the locking of all the components of the distributor.
Dans le mode de réalisation de la figure 1 , la tête T coiffe la collerette r par l'extérieur alors que, dans la variante de la figure 3, c'est la jupe latérale t de la tête T qui est engagée à l'intérieur de la collerette r. Dans cette variante, un capot P est emmanché extérieurement avec un léger serrage radial sur la collerette r.In the embodiment of Figure 1, the head T covers the flange r from the outside while, in the variant of Figure 3, it is the side skirt t of the head T which is engaged inside of the collar r. In this variant, a cover P is fitted externally with a slight radial tightening on the flange r.
Le soufflet 1 est fixé à la partie supérieure du réservoir et, plus précisément, dans le mode de réalisation représenté sur la figure 1 , à la partie inférieure de la collerette r au moyen de l'embase 13. La pression régnant à l'intérieur de la chambre 10 se traduit par une poussée radiale sur l'embase 13 qui renforce ainsi la tenue mécanique du soufflet 1. Le soufflet 1 est réalisé de préférence avec une matière plastique rigide telle que du polypropyiène.The bellows 1 is fixed to the upper part of the reservoir and, more precisely, in the embodiment shown in FIG. 1, to the lower part of the collar r by means of the base 13. The pressure prevailing inside of the chamber 10 results in a radial thrust on the base 13 which thus strengthens the mechanical strength of the bellows 1. The bellows 1 is preferably made with a rigid plastic material such as polypropylene.
Les coudes 11 du soufflet 1 possèdent une capacité de déformation élastique et notamment une flexibilité qui permet au soufflet 1 d'être comprimé par appui axial sur la tête T et de faire ainsi varier le volume de la chambre 10.The elbows 11 of the bellows 1 have an elastic deformation capacity and in particular a flexibility which allows the bellows 1 to be compressed by axial support on the head T and thus to vary the volume of the chamber 10.
Le soufflet 1 comporte également un épaulement supérieur 14 sur lequel prennent appui des ailettes de rigidification I portées par la tête T. Comme représenté sur les figures, les éléments mobiles 2a, 2e des clapets d'admission a et d'échappement e sont identiques.The bellows 1 also comprises an upper shoulder 14 on which the stiffening fins I carried by the head T bear. As shown in the figures, the movable elements 2a, 2e of the intake and exhaust valves e are identical.
Chacun de ces éléments a une structure du type représenté sur la figure 4.Each of these elements has a structure of the type shown in FIG. 4.
Cette structure possède une capsule tronconique obturante 21 appuyant, au repos, sur les extrémités supérieures respectives de la douille D (figure 2A) et du collet 12 (figure 2B) dont le profil est biseauté. La capsule 21 est prolongée vers le bas par des ergots d'encliquetage 22 coopérant avec des butées 15, b ménagées respectivement sur la paroi supérieure interne du soufflet 1 et sur la partie inférieure de la douille D (voir figures 2A, 2B).This structure has a sealing frustoconical capsule 21 pressing, at rest, on the respective upper ends of the sleeve D (Figure 2A) and the collar 12 (Figure 2B) whose profile is bevelled. The capsule 21 is extended downwards by latching pins 22 cooperating with stops 15, b formed respectively on the internal upper wall of the bellows 1 and on the lower part of the socket D (see FIGS. 2A, 2B).
Les ergots 22 délimitent entre eux des canaux 20 pour le passage du produit liquide.The pins 22 delimit between them channels 20 for the passage of the liquid product.
La hauteur de la douille D est inférieure à la hauteur du colletThe height of the socket D is less than the height of the collar
12, de telle sorte que l'élément mobile 2e du clapet d'échappement e soit monté sous contraintes, alors que l'élément mobile 2a du clapet d'admission possède une faible liberté de translation d'amplitude x (voir figure 2A).12, so that the movable element 2e of the exhaust valve e is mounted under stresses, while the movable element 2a of the intake valve has little freedom of translation of amplitude x (see FIG. 2A).
La remontée de l'élément 2a par dépression dans la chambre 10 d'une hauteur x par rapport à sa position de repos permet de dégager un espace intercalaire pour l'entrée de produit dans la chambre 10 entre le bord interne biseauté d de la douille D formant siège du clapet et la paroi latérale externe de la capsule 21. Par ailleurs, la capsule 21 est élastiquement deformable de façon à permettre sous l'effet de la pression créée dans la chambre 10, la sortie du produit liquide par le clapet d'échappement e entre la paroi externe 210 de la capsule 21 formant soupape et le bord interne biseauté 120 du collet 12 formant siège du clapet e (voir figure 2B).The ascent of the element 2a by vacuum in the chamber 10 by a height x with respect to its rest position makes it possible to release an intermediate space for the entry of product into the chamber 10 between the bevelled internal edge d of the sleeve. D forming a seat of the valve and the external lateral wall of the capsule 21. Furthermore, the capsule 21 is elastically deformable so as to allow, under the effect of the pressure created in the chamber 10, the exit of the liquid product by the valve d e between the outer wall 210 of the capsule 21 forming valve and the internal beveled edge 120 of the collar 12 forming the seat of the valve e (see FIG. 2B).
La rigidité du collet 12 est, en outre, renforcée par la présence du conduit d'éjection C qui l'entoure coaxialement. The rigidity of the collar 12 is further reinforced by the presence of the ejection duct C which surrounds it coaxially.

Claims

REVENDICATIONS
1. Distributeur de produits liquides du type comprenant un réservoir (Ri, R2) pourvu, en partie supérieure, d'un orifice d'évacuation (V) situé à l'extrémité d'une douille cylindrique (D) obturé par un clapet d'admission (a) et débouchant dans une chambre de dosage (10) de volume variable délimitée par la paroi d'un soufflet (1) au moins partiellement élastiquement deformable communiquant via un clapet d'échappement (e) logé dans un collet (12) prolongeant ladite chambre (10) avec un conduit d'éjection (c) ménagé dans une tête de distribution (T), caractérisé en ce que les éléments mobiles (2a, 2e) du clapet d'admission (a) et du clapet d'échappement (e) sont identiques et la hauteur de douille (D) est inférieure à la hauteur dudit collet (12) de telle sorte que l'élément mobile (2a) du clapet d'échappement (e) est monté sous contraintes.1. Distributor of liquid products of the type comprising a reservoir (Ri, R 2 ) provided, in the upper part, with an evacuation orifice (V) situated at the end of a cylindrical sleeve (D) closed by a valve inlet (a) and opening into a metering chamber (10) of variable volume delimited by the wall of a bellows (1) at least partially elastically deformable communicating via an exhaust valve (e) housed in a collar ( 12) extending said chamber (10) with an ejection conduit (c) formed in a dispensing head (T), characterized in that the movable elements (2a, 2e) of the intake valve (a) and of the valve exhaust (e) are identical and the socket height (D) is less than the height of said collar (12) so that the movable member (2a) of the exhaust valve (e) is mounted under stress.
2. Distributeur selon la revendication 1 , caractérisé en ce que les éléments mobiles (2a, 2e) des clapets possèdent une capsule tronconique (21 ) obturante et élastiquement deformable prolongée par des ergots d'encliquetage (22) délimitant entre eux des canaux (20) pour le passage du produit.2. Dispenser according to claim 1, characterized in that the movable elements (2a, 2e) of the valves have a frustoconical capsule (21) which is obturable and elastically deformable extended by snap lugs (22) delimiting between them channels (20 ) for the passage of the product.
3. Distributeur selon l'une des revendications précédentes, caractérisé en ce que ledit réservoir est équipé d'une collerette (r) dont la paroi latérale assure le guidage de la tête de distribution (T) et son bord supérieur la retenue de ladite tête (T). 3. Dispenser according to one of the preceding claims, characterized in that said reservoir is equipped with a collar (r) whose side wall guides the dispensing head (T) and its upper edge retains said head (T).
4. Distributeur selon la revendication 1 ou 2, caractérisé en ce que ledit soufflet (1) est fixé à la partie supérieure du réservoir.4. Distributor according to claim 1 or 2, characterized in that said bellows (1) is fixed to the upper part of the tank.
5. Distributeur selon l'une des revendications précédentes, caractérisé en ce que ledit soufflet (1) comporte un épaulement supérieur (14) sur lequel prennent appui des ailettes de rigidification (I) portées par ladite tête (T). 5. Distributor according to one of the preceding claims, characterized in that said bellows (1) has an upper shoulder (14) on which bear stiffening fins (I) carried by said head (T).
EP01967449A 2000-09-08 2001-09-07 Liquid product dispenser Expired - Lifetime EP1315579B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0011470A FR2813863B1 (en) 2000-09-08 2000-09-08 LIQUID PRODUCT DISTRIBUTOR
FR0011470 2000-09-08
PCT/FR2001/002781 WO2002020171A1 (en) 2000-09-08 2001-09-07 Liquid product dispenser

Publications (2)

Publication Number Publication Date
EP1315579A1 true EP1315579A1 (en) 2003-06-04
EP1315579B1 EP1315579B1 (en) 2004-05-19

Family

ID=8854104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01967449A Expired - Lifetime EP1315579B1 (en) 2000-09-08 2001-09-07 Liquid product dispenser

Country Status (16)

Country Link
US (1) US6805267B2 (en)
EP (1) EP1315579B1 (en)
JP (1) JP2004508175A (en)
CN (1) CN1181929C (en)
AT (1) ATE267055T1 (en)
AU (1) AU2001287828A1 (en)
BR (1) BR0113885B1 (en)
CA (1) CA2422136A1 (en)
DE (1) DE60103411T2 (en)
DK (1) DK1315579T3 (en)
ES (1) ES2223909T3 (en)
FR (1) FR2813863B1 (en)
HK (1) HK1061373A1 (en)
MX (1) MXPA03001980A (en)
PT (1) PT1315579E (en)
WO (1) WO2002020171A1 (en)

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Publication number Publication date
DE60103411D1 (en) 2004-06-24
JP2004508175A (en) 2004-03-18
DK1315579T3 (en) 2004-09-27
BR0113885A (en) 2003-07-15
HK1061373A1 (en) 2004-09-17
MXPA03001980A (en) 2004-09-10
ATE267055T1 (en) 2004-06-15
EP1315579B1 (en) 2004-05-19
BR0113885B1 (en) 2010-03-09
US20040094578A1 (en) 2004-05-20
US6805267B2 (en) 2004-10-19
AU2001287828A1 (en) 2002-03-22
PT1315579E (en) 2004-10-29
FR2813863A1 (en) 2002-03-15
ES2223909T3 (en) 2005-03-01
CN1181929C (en) 2004-12-29
DE60103411T2 (en) 2005-03-17
WO2002020171A1 (en) 2002-03-14
CA2422136A1 (en) 2002-03-14
CN1452516A (en) 2003-10-29
FR2813863B1 (en) 2003-03-21

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