EP1945373A1 - Tilting flap pump - Google Patents

Tilting flap pump

Info

Publication number
EP1945373A1
EP1945373A1 EP06831079A EP06831079A EP1945373A1 EP 1945373 A1 EP1945373 A1 EP 1945373A1 EP 06831079 A EP06831079 A EP 06831079A EP 06831079 A EP06831079 A EP 06831079A EP 1945373 A1 EP1945373 A1 EP 1945373A1
Authority
EP
European Patent Office
Prior art keywords
pump according
valve
actuating element
pump
reservoir
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
EP06831079A
Other languages
German (de)
French (fr)
Other versions
EP1945373B1 (en
Inventor
Eric Rossignol
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 Lacrost SAS
Original Assignee
Rexam Dispensing SMT 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 SMT SAS filed Critical Rexam Dispensing SMT SAS
Publication of EP1945373A1 publication Critical patent/EP1945373A1/en
Application granted granted Critical
Publication of EP1945373B1 publication Critical patent/EP1945373B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B05B11/01—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
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall 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
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1053—Actuation means combined with means, other than pressure, for automatically opening a valve during actuation; combined with means for automatically removing closures or covers from the discharge nozzle during actuation
    • 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

Definitions

  • the present invention relates to a two-component pump capable of equipping a dispenser intended mainly for liquid or pasty cosmetic or pharmaceutical products and applies specifically to samples of such products.
  • Conventional dispensers are generally equipped with a reservoir and a pump cooperating with a manual actuating element of the pushbutton type provided with an ejection orifice.
  • the present invention aims to solve the technical problems of the prior art.
  • said pump is constituted by a one-piece body which comprises, on the one hand, a base capping said s tank and having an intake port and, on the other hand, a valve mounted on said base via a hinge associated with an elastic return means allowing, by pressing on the element d actuation, the reversible tilting of said valve towards said base, to open the ejection port and simultaneously close the inlet port.
  • said valve carries two sealed shutters respectively of the inlet orifice and the ejection orifice.
  • said shutters are constituted by bosses whose dimensions allow a tight cooperation with respectively the ejection and intake orifices.
  • said shutters are mounted on either side of a triangular link.
  • said hinge consists of a hinge connected to the angle of said link.
  • said hinge is constituted by a spring-effect connecting strip.
  • said valve comprises a control lever on which the actuating element is able to come into bearing contact to cause it to tilt.
  • the actuating element is provided with an elastic bellows forming resilient return means of the valve.
  • this actuating element is made in one piece with the upper part of the reservoir.
  • the inner wall of the actuating element carries at least one pull tab of said valve.
  • said body comprises two lateral bearings flanking and / or supporting said valve.
  • At least one of said bearings has a longitudinal groove formed on its inner wall for the passage of said pull tab.
  • said base comprises a lateral sealing skirt radially clamping against the inner wall of the actuating element or the reservoir.
  • the upper part of the valve has an inclined face facilitating the bearing contact of the actuating element.
  • the pump of the invention offers a reliable and economical technical solution to the problems posed by the packaging of the prior art.
  • this pump may have only two pieces of simple structure that can be molded and assembled easily and quickly and therefore automated.
  • this pump has only plastic parts whose compatibility with cosmetics and pharmaceuticals is ensured.
  • FIG. 1 represents an external perspective view of a dispenser equipped with a pump embodiment according to the invention
  • FIGS. 2A and 2B show partial views respectively in perspective and front of an alternative embodiment of the body of the pump of the invention before assembly;
  • FIG. 3A and 3B show partial views respectively in perspective and front of the variant of the pump body of Figures 2A and 2B in the mounting position;
  • FIG. 4A to 4D show sectional views of the embodiment of Figure 1 in various positions of rest and use.
  • the pump of the invention is intended for the packaging and delivery of cosmetic or pharmaceutical liquid or gel products and more particularly samples or low doses of these products.
  • distributors of liquid cosmetics or pharmaceutical products comprise a reservoir R and a pump mounted at least partially inside the reservoir and cooperating with a manual actuating element 2 provided with an ejection orifice 20 as shown in an external view in Figure 1.
  • the embodiment of the dispenser of the invention as shown in the figures is intended for use without air intake. Consequently, the tank R is sealed at its lower part by a bottom F forming a piston which rises inside the tank as the delivery comes into contact with the product as shown in FIGS. 4A to 4D. .
  • the pump according to the invention consists of a body 1 in one piece and which is made, for example, by means of an injection molding process.
  • the body 1 comprises, on the one hand, a base 11 covering said tank R and having an inlet port 10 and, on the other hand, a single valve 12 connected at said base by a hinge here in the form of a hinge 13.
  • the body 1 is configured, in a subsequent step, in operating position by flap of the valve 12 above the base 11 while maintaining the hinge 13 slightly under stress, as shown in Figures 3A and 3B. This body 1 is then trapped in this configuration under the actuating element 2 in the upper part of the tank R.
  • the base 11 comprises a lateral sealing skirt 17 coming in radial clamping against the inner wall of the actuating element 2 or the reservoir R.
  • the upper part of the valve 12 comprises a control lever 14 on which the actuating element 2 is capable of coming into bearing contact to cause its forced tilting downwards, from a sealed position of the orifice of ejection 20.
  • This tilting which is reversible has the effect of opening the ejection orifice 20 and simultaneously closing the inlet orifice 10.
  • the lever 14 has an inclined face 14a facilitating the bearing contact of the actuating element 2.
  • the face 14a is optionally provided with a central cavity 14b, as shown in particular in FIGS. 3A and 3B, intended for to limit the effects due to the withdrawal of the plastic material during its cooling after molding.
  • the hinge 13 consists of a transverse strip or a thin web.
  • the single valve 12 carries two sealed shutters respectively of the inlet port 10 and the ejection port 20.
  • These shutters consist of bosses 12a, 12b, here in the form of spherical caps, whose dimensions and in particular the diameters allow the tight cooperation with respectively the orifices of ejection and admission and which are mounted on both sides of a triangular link 15.
  • the rod 15 is connected by its angle (here an angle of about 90 °) to the connecting strip forming said hinge 13.
  • the body 1 comprises two bearings 16 flanking said valve 12 and ensuring its lateral setting.
  • the articulation of the valve is made in the form of pivots supported by the lateral bearings.
  • the actuating element 2 has an upper face 22 for manual support and is provided with an elastic return means of the valve here in the form of an elastic bellows 21 to spring effect which is performed on the side wall providing the connection to the tank R.
  • the actuating element 2 is made in one piece with the upper part of the tank R.
  • Figures 4A to 4D show a sectional view of a dispenser equipped with a pump of the invention during the different phases of its operation.
  • the hinge 13 may, by shape memory, either in addition to or as a replacement for the bellows 21, facilitate or ensure the resilient return of the valve 12 in the sealed position of the ejection orifice 20 to the a spring when the support on the actuating element 2 ceases.
  • the shutter 12b is then sealingly engaged in the ejection orifice 20 in the manner of a plug while the inlet port 10 is open.
  • the compartment C located between the base 11 and the lower face of the actuating element is filled with liquid product and constitutes a dosing chamber.
  • the actuating element 2 carries here at least one and, preferably, two symmetrical tabs 24 of traction of the control lever 14 of the valve 12 to pull it up through the action of the spring bellows 21 and thus allow both to ensure the sealing of the ejection port 20 in the distributor rest position (arrow Figure 4A) and then facilitate the return of the valve
  • At least one and here the two bearings 16 of the base 11 have a longitudinal groove 16a formed on their inner wall for the passage of the traction tabs 24.
  • the user exerts a manual support in the direction of the arrow on the upper face 22 of the actuating element 2.
  • this support brings the wall of the element 2 in contact with the control lever 14 of the valve 12 which causes the forced tilting of the link 15 downwards by direction of the base 11 in the direction of the arrow.
  • This movement releases the ejection orifice 20 while the shutter 12a closes the inlet port 10. Together, this support also causes the compression of the bellows 21 and the reduction of the volume of the chamber C leading to the exhaust a dose of product under pressure outside via the ejection orifice 20 (gray arrow). This dose corresponds substantially to the volume of product delivered during the tilting stroke of the valve 12 until the shutter 12a abuts against the orifice 10.
  • valve 12 leads to the closure of the ejection orifice 20, the simultaneous opening of the inlet port 10 and, because of the absence of air intake, to the joint rise of the piston bottom F in the tank R, in contact with the product.
  • the chamber C fills again by suction effect until the equilibrium obtained in the new rest position shown in FIG. 4D.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Fertilizing (AREA)
  • Closures For Containers (AREA)

Abstract

The invention relates to a pump for a liquid product dispenser, which includes a reservoir and interacts with a manually actuatable element provided with an injection orifice. The pump includes a body embodied in the form of a single piece and including a seat which covers the reservoir and is provided with an intake orifice and a flap, which is mounted on the seat by a joint associated with an elastic bellows which enables the flap to be reversibly tilted towards the seat, by pressing on the actuating element, in such way that the injection orifice is opened and the intake orifice is simultaneously closed.

Description

POMPE A CLAPET BASCULANT TILTING CHECK PUMP
La présente invention concerne une pompe à deux composants susceptible d'équiper un distributeur destiné principalement aux produits cosmétiques ou pharmaceutiques liquides ou pâteux et s'applique de façon spécifique aux échantillons de tels produits.The present invention relates to a two-component pump capable of equipping a dispenser intended mainly for liquid or pasty cosmetic or pharmaceutical products and applies specifically to samples of such products.
Les distributeurs traditionnels sont généralement équipés d'un réservoir et d'une pompe coopérant avec un élément d'actionnement manuel du type bouton- poussoir pourvu d'un orifice d'éjection.Conventional dispensers are generally equipped with a reservoir and a pump cooperating with a manual actuating element of the pushbutton type provided with an ejection orifice.
Cependant, ces distributeurs ont un prix de revient élevé du fait de la complexité de leur structure et surtout de la pompe.However, these distributors have a high cost due to the complexity of their structure and especially the pump.
Cet inconvénient est particulièrement pénalisant pour des applications au domaine des échantillons du fait que les coûts de fabrication d'une pompe miniature sont souvent hors de proportion avec les impératifs marketing de ce type de produit.This disadvantage is particularly disadvantageous for applications in the field of samples because the manufacturing costs of a miniature pump are often out of proportion with the marketing imperatives of this type of product.
En outre, lorsqu'il s'agit de conditionner les produits dans un distributeur sans reprise d'air (dit « airless »), les mécanismes des pompes atmosphériques classiques se trouvent être inadaptés et ne permettent pas d'obtenir un niveau satisfaisant d'étanchéité.In addition, when it comes to packaging the products in a distributor without air intake (called "airless"), the mechanisms of conventional atmospheric pumps are found to be unsuitable and do not allow to obtain a satisfactory level of seal.
De plus, l'extrémité de l'orifice d'éjection est difficile à obturer de manière satisfaisante et le produit reste partiellement en contact avec l'air ce qui entraîne des risques de dessèchement et/ou de dégradation.In addition, the end of the ejection orifice is difficult to seal satisfactorily and the product remains partially in contact with the air, which entails the risk of drying out and / or degradation.
Ces pompes ont, au surplus, le défaut de comporter un ressort métallique dont le contact avec le produit est préjudiciable voire prohibé.These pumps have, moreover, the defect to include a metal spring whose contact with the product is prejudicial or prohibited.
La présente invention a pour but de résoudre les problèmes techniques posés par l'art antérieur.The present invention aims to solve the technical problems of the prior art.
Ce but est atteint, selon l'invention, au moyen d'un distributeur caractérisé en ce que ladite pompe est constituée d'un corps d'une seule pièce qui comporte, d'une part, une embase coiffant ledit s réservoir et présentant un orifice d'admission et, d'autre part, un clapet monté sur ladite embase via une articulation associée à un moyen de rappel élastique permettant, par appui sur l'élément d'actionnement, le basculement réversible dudit clapet vers ladite embase, pour ouvrir l'orifice d'éjection et fermer simultanément l'orifice d'admission.This object is achieved, according to the invention, by means of a distributor characterized in that said pump is constituted by a one-piece body which comprises, on the one hand, a base capping said s tank and having an intake port and, on the other hand, a valve mounted on said base via a hinge associated with an elastic return means allowing, by pressing on the element d actuation, the reversible tilting of said valve towards said base, to open the ejection port and simultaneously close the inlet port.
Selon une caractéristique avantageuse, ledit clapet porte deux obturateurs étanches respectivement de l'orifice d'admission et de l'orifice d'éjection.According to an advantageous characteristic, said valve carries two sealed shutters respectively of the inlet orifice and the ejection orifice.
Selon une première variante de l'invention, lesdits obturateurs sont constitués de bossages dont les dimensions permettent une coopération étanche avec respectivement les orifices d'éjection et d'admission.According to a first variant of the invention, said shutters are constituted by bosses whose dimensions allow a tight cooperation with respectively the ejection and intake orifices.
De préférence, lesdits obturateurs sont montés de part et d'autre d'une biellette triangulaire.Preferably, said shutters are mounted on either side of a triangular link.
Avantageusement, ladite articulation est constituée d'une charnière raccordée à l'angle de ladite biellette.Advantageously, said hinge consists of a hinge connected to the angle of said link.
Selon une variante spécifique, ladite charnière est constituée d'une bande de liaison à effet de ressort.According to a specific variant, said hinge is constituted by a spring-effect connecting strip.
Selon une autre caractéristique avantageuse, ledit clapet comporte un levier de commande sur lequel l'élément d'actionnement est susceptible de venir en contact d'appui pour provoquer son basculement.According to another advantageous characteristic, said valve comprises a control lever on which the actuating element is able to come into bearing contact to cause it to tilt.
De préférence, l'élément d'actionnement est pourvu d'un soufflet élastique formant moyen de rappel élastique du clapet.Preferably, the actuating element is provided with an elastic bellows forming resilient return means of the valve.
Selon une caractéristique avantageuse, cet élément d'actionnement est réalisé d'une seule pièce avec la partie supérieure du réservoir. Selon une autre variante, la paroi interne de l'élément d'actionnement porte au moins une patte de traction dudit clapet.According to an advantageous characteristic, this actuating element is made in one piece with the upper part of the reservoir. According to another variant, the inner wall of the actuating element carries at least one pull tab of said valve.
En outre, ledit corps comporte deux paliers latéraux encadrant et/ou supportant ledit clapet.In addition, said body comprises two lateral bearings flanking and / or supporting said valve.
Selon encore une autre variante, au moins l'un desdits paliers présente une gorge longitudinale ménagée sur sa paroi interne pour le passage de ladite patte de traction.According to yet another variant, at least one of said bearings has a longitudinal groove formed on its inner wall for the passage of said pull tab.
Selon encore une autre caractéristique avantageuse, ladite embase comporte une jupe latérale d'étanchéité venant en serrage radial contre la paroi interne de l'élément d'actionnement ou du réservoir. De préférence, la partie supérieure du clapet présente une face inclinée facilitant le contact d'appui de l'élément d'actionnement.According to yet another advantageous characteristic, said base comprises a lateral sealing skirt radially clamping against the inner wall of the actuating element or the reservoir. Preferably, the upper part of the valve has an inclined face facilitating the bearing contact of the actuating element.
La pompe de l'invention offre une solution technique fiable et économique aux problèmes posés par les conditionnements de l'art antérieur.The pump of the invention offers a reliable and economical technical solution to the problems posed by the packaging of the prior art.
En effet, cette pompe peut ne comporter que deux pièces de structure simple susceptibles d'être moulées et assemblées de façon aisée et rapide et donc automatisée.Indeed, this pump may have only two pieces of simple structure that can be molded and assembled easily and quickly and therefore automated.
En outre, cette pompe ne comporte que des pièces en matière plastique dont la compatibilité avec les produits cosmétiques et pharmaceutiques est assurée.In addition, this pump has only plastic parts whose compatibility with cosmetics and pharmaceuticals is ensured.
D'autres objets et avantages de l'invention apparaîtront au cours de la description qui suit, faite en référence aux dessins annexés, dans lesquels :Other objects and advantages of the invention will become apparent from the following description, made with reference to the appended drawings, in which:
- Ia figure 1 représente une vue en perspective extérieure d'un distributeur équipé d'un mode de réalisation de pompe selon l'invention ;FIG. 1 represents an external perspective view of a dispenser equipped with a pump embodiment according to the invention;
- les figures 2A et 2B représentent des vues partielles respectivement en perspective et de face d'une variante de réalisation du corps de la pompe de l'invention avant montage;- Figures 2A and 2B show partial views respectively in perspective and front of an alternative embodiment of the body of the pump of the invention before assembly;
- les figures 3A et 3B représentent des vues partielles respectivement en perspective et de face de la variante du corps de pompe des figures 2A et 2B en position de montage ;- Figures 3A and 3B show partial views respectively in perspective and front of the variant of the pump body of Figures 2A and 2B in the mounting position;
- les figures 4A à 4D représentent des vues en coupe du mode de réalisation de la figure 1 dans diverses positions de repos et d'utilisation.- Figures 4A to 4D show sectional views of the embodiment of Figure 1 in various positions of rest and use.
La pompe de l'invention est destinée au conditionnement et à la délivrance de produits cosmétiques ou pharmaceutiques liquides ou en gels et plus particulièrement d'échantillons ou de faibles doses de ces produits. De manière générale, les distributeurs de produits cosmétiques ou pharmaceutiques liquides comprennent un réservoir R et une pompe montée au moins partiellement à l'intérieur du réservoir et coopérant avec un élément d'actionnement manuel 2 pourvu d'un orifice d'éjection 20 comme représenté en vue extérieure sur la figure 1.The pump of the invention is intended for the packaging and delivery of cosmetic or pharmaceutical liquid or gel products and more particularly samples or low doses of these products. In general, distributors of liquid cosmetics or pharmaceutical products comprise a reservoir R and a pump mounted at least partially inside the reservoir and cooperating with a manual actuating element 2 provided with an ejection orifice 20 as shown in an external view in Figure 1.
Le mode de réalisation du distributeur de l'invention tel qu'il est représenté sur les figures est destiné à une utilisation sans reprise d'air. Par conséquent le réservoir R est obturé de façon étanche à sa partie inférieure par un fond F formant piston qui remonte à l'intérieur du réservoir au fur et à mesure de la délivrance en restant au contact du produit comme représenté sur les figures 4A à 4D.The embodiment of the dispenser of the invention as shown in the figures is intended for use without air intake. Consequently, the tank R is sealed at its lower part by a bottom F forming a piston which rises inside the tank as the delivery comes into contact with the product as shown in FIGS. 4A to 4D. .
La pompe selon l'invention est constituée d'un corps 1 d'une seule pièce et qui est réalisé, par exemple, au moyen d'un procédé de moulage à injection.The pump according to the invention consists of a body 1 in one piece and which is made, for example, by means of an injection molding process.
Comme représenté sur les figures 2A et 2B en sortie de moule, le corps 1 comporte, d'une part, une embase 11 coiffant ledit réservoir R et présentant un orifice d'admission 10 et, d'autre part, un clapet unique 12 relié à ladite embase par une articulation ici sous forme d'une charnière 13.As represented in FIGS. 2A and 2B at the mold outlet, the body 1 comprises, on the one hand, a base 11 covering said tank R and having an inlet port 10 and, on the other hand, a single valve 12 connected at said base by a hinge here in the form of a hinge 13.
Le corps 1 est configuré, dans une étape ultérieure, en position de fonctionnement par rabat du clapet 12 au-dessus de l'embase 11 en maintenant la charnière 13 légèrement sous contrainte, comme représenté sur les figures 3A et 3B. Ce corps 1 est ensuite emprisonné dans cette configuration sous l'élément d'actionnement 2 dans la partie supérieure du réservoir R.The body 1 is configured, in a subsequent step, in operating position by flap of the valve 12 above the base 11 while maintaining the hinge 13 slightly under stress, as shown in Figures 3A and 3B. This body 1 is then trapped in this configuration under the actuating element 2 in the upper part of the tank R.
L'embase 11 comporte une jupe latérale d'étanchéité 17 venant en serrage radial contre la paroi interne de l'élément d'actionnement 2 ou du réservoir R.The base 11 comprises a lateral sealing skirt 17 coming in radial clamping against the inner wall of the actuating element 2 or the reservoir R.
La partie supérieure du clapet 12 comporte un levier de commande 14 sur lequel l'élément d'actionnement 2 est susceptible de venir en contact d'appui pour provoquer son basculement forcé vers le bas, depuis une position de fermeture étanche de l'orifice d'éjection 20. Ce basculement qui est réversible a pour effet d'ouvrir l'orifice d'éjection 20 et de fermer simultanément l'orifice d'admission 10.The upper part of the valve 12 comprises a control lever 14 on which the actuating element 2 is capable of coming into bearing contact to cause its forced tilting downwards, from a sealed position of the orifice of ejection 20. This tilting which is reversible has the effect of opening the ejection orifice 20 and simultaneously closing the inlet orifice 10.
Le levier 14 présente une face inclinée 14a facilitant le contact d'appui de l'élément d'actionnement 2. La face 14a est éventuellement pourvue d'une cavité centrale 14b, comme représentée, notamment, sur les figures 3A et 3B, destinée à limiter les effets dus au retrait de la matière plastique lors de son refroidissement après moulage.The lever 14 has an inclined face 14a facilitating the bearing contact of the actuating element 2. The face 14a is optionally provided with a central cavity 14b, as shown in particular in FIGS. 3A and 3B, intended for to limit the effects due to the withdrawal of the plastic material during its cooling after molding.
La charnière 13 est constituée d'une bande transversale ou un voile de faible épaisseur.The hinge 13 consists of a transverse strip or a thin web.
Le clapet unique 12 porte deux obturateurs étanches respectivement de l'orifice d'admission 10 et de l'orifice d'éjection 20.The single valve 12 carries two sealed shutters respectively of the inlet port 10 and the ejection port 20.
Ces obturateurs sont constitués de bossages 12a, 12b, ici sous forme de calottes sphériques, dont les dimensions et notamment les diamètres permettent la coopération étanche avec respectivement les orifices d'éjection et d'admission et qui sont montés de part et d'autre d'une biellette triangulaire 15.These shutters consist of bosses 12a, 12b, here in the form of spherical caps, whose dimensions and in particular the diameters allow the tight cooperation with respectively the orifices of ejection and admission and which are mounted on both sides of a triangular link 15.
La biellette 15 est raccordée par son angle (ici un angle d'environ 90°) à la bande de liaison formant ladite charnière 13.The rod 15 is connected by its angle (here an angle of about 90 °) to the connecting strip forming said hinge 13.
Le corps 1 comporte deux paliers 16 encadrant ledit clapet 12 et assurant son calage latéral.The body 1 comprises two bearings 16 flanking said valve 12 and ensuring its lateral setting.
Selon une variante non représentée, l'articulation du clapet est réalisée sous forme de pivots supportés par les paliers latéraux.According to a variant not shown, the articulation of the valve is made in the form of pivots supported by the lateral bearings.
Comme représenté sur les figures 1 et 4A à 4B, l'élément d'actionnement 2 offre une face supérieure 22 pour l'appui manuel et est pourvu d'un moyen de rappel élastique du clapet ici sous forme d'un soufflet élastique 21 à effet de ressort qui est réalisé sur la paroi latérale assurant le raccordement au réservoir R. Dans le mode de réalisation représenté, l'élément d'actionnement 2 est réalisé d'une seule pièce avec la partie supérieure du réservoir R. Les figures 4A à 4D représentent une vue en coupe d'un distributeur équipé d'une pompe de l'invention pendant les différentes phases de son fonctionnement.As shown in FIGS. 1 and 4A to 4B, the actuating element 2 has an upper face 22 for manual support and is provided with an elastic return means of the valve here in the form of an elastic bellows 21 to spring effect which is performed on the side wall providing the connection to the tank R. In the embodiment shown, the actuating element 2 is made in one piece with the upper part of the tank R. Figures 4A to 4D show a sectional view of a dispenser equipped with a pump of the invention during the different phases of its operation.
Dans la position de repos de la figure 4A1 les pattes de traction 24 reliées à la paroi interne de la face supérieure 22 de l'élément d'actionnement 2 sont en appui sous le levier de commande 14 et tirent celui-ci vers le haut grâce à l'action du soufflet 21 à effet de ressort et la biellette 15 du clapet 12 est rappelée par la charnière 13 vers la droite dans le sens de la flèche.In the rest position of Figure 4A one traction lugs 24 connected with the internal wall of the upper face 22 of the actuating element 2 are supported as the control lever 14 and pull it up thanks to the action of the spring bellows 21 and the link 15 of the valve 12 is returned by the hinge 13 to the right in the direction of the arrow.
Le cas échéant selon une variante, la charnière 13 peut, par mémoire de forme soit en complément soit en remplacement du soufflet 21 , faciliter ou assurer le rappel élastique du clapet 12 en position de fermeture étanche de l'orifice d'éjection 20 à la manière d'un ressort lorsque cesse l'appui sur l'élément d'actionnement 2.Where appropriate according to one variant, the hinge 13 may, by shape memory, either in addition to or as a replacement for the bellows 21, facilitate or ensure the resilient return of the valve 12 in the sealed position of the ejection orifice 20 to the a spring when the support on the actuating element 2 ceases.
L'obturateur 12b est alors engagé de façon étanche dans l'orifice d'éjection 20 à la manière d'un bouchon tandis que l'orifice d'admission 10 est ouvert. Dans cette position, une fois l'amorçage préalablement effectué (par exemple en usine), le compartiment C situé entre l'embase 11 et la face inférieure de l'élément d'actionnement est rempli de produit liquide et constitue une chambre de dosage.The shutter 12b is then sealingly engaged in the ejection orifice 20 in the manner of a plug while the inlet port 10 is open. In this position, once the priming has previously been performed (for example in the factory), the compartment C located between the base 11 and the lower face of the actuating element is filled with liquid product and constitutes a dosing chamber.
L'élément d'actionnement 2 porte ici au moins une et, de préférence, deux pattes symétriques 24 de traction du levier de commande 14 du clapet 12 pour le tirer vers le haut grâce à l'action du soufflet ressort 21 et permettre ainsi à la fois de garantir la fermeture étanche de l'orifice d'éjection 20 en position de repos du distributeur (flèche figure 4A) et de faciliter ensuite le retour du clapetThe actuating element 2 carries here at least one and, preferably, two symmetrical tabs 24 of traction of the control lever 14 of the valve 12 to pull it up through the action of the spring bellows 21 and thus allow both to ensure the sealing of the ejection port 20 in the distributor rest position (arrow Figure 4A) and then facilitate the return of the valve
12 dans cette même position de repos lors du relâchement de l'appui manuel (flèche figure 4C).12 in the same rest position when releasing the manual support (arrow Figure 4C).
A cet effet, au moins l'un et ici les deux paliers 16 de l'embase 11 présentent une gorge longitudinale 16a ménagée sur leur paroi interne pour le passage des pattes de traction 24. Dans la position de la figure 4B, l'utilisateur exerce un appui manuel dans le sens de la flèche sur la face supérieure 22 de l'élément d'actionnement 2. Après une course inopérante due à l'écart entre la face d'appui des pattes de traction 24 et la paroi interne de la face supérieure 22, cet appui amène la paroi de l'élément 2 en contact avec le levier de commande 14 du clapet 12 ce qui provoque le basculement forcé de la biellette 15 vers le bas en direction de l'embase 11 dans le sens de la flèche.For this purpose, at least one and here the two bearings 16 of the base 11 have a longitudinal groove 16a formed on their inner wall for the passage of the traction tabs 24. In the position of Figure 4B, the user exerts a manual support in the direction of the arrow on the upper face 22 of the actuating element 2. After an inoperative stroke due to the gap between the bearing face traction tabs 24 and the inner wall of the upper face 22, this support brings the wall of the element 2 in contact with the control lever 14 of the valve 12 which causes the forced tilting of the link 15 downwards by direction of the base 11 in the direction of the arrow.
Ce mouvement dégage l'orifice d'éjection 20 tandis que l'obturateur 12a ferme l'orifice d'admission 10. Conjointement, cet appui entraîne aussi la compression du soufflet 21 et la réduction du volume de la chambre C conduisant à l'échappement d'une dose de produit sous pression à l'extérieur via l'orifice d'éjection 20 (flèche grise). Cette dose correspond sensiblement au volume de produit délivré pendant la course basculante du clapet 12 jusqu'à ce que l'obturateur 12a vienne en butée contre l'orifice 10.This movement releases the ejection orifice 20 while the shutter 12a closes the inlet port 10. Together, this support also causes the compression of the bellows 21 and the reduction of the volume of the chamber C leading to the exhaust a dose of product under pressure outside via the ejection orifice 20 (gray arrow). This dose corresponds substantially to the volume of product delivered during the tilting stroke of the valve 12 until the shutter 12a abuts against the orifice 10.
Dans la position de la figure 4C, l'utilisateur relâche son appui ce qui provoque la détente du soufflet 21 et le rappel de la biellette 15 vers la droite dans le sens de la flèche du fait de la mémoire de forme du soufflet 21. Le basculement inverse du clapet 12 est effectué par les pattes 24 qui sont elles mêmes entraînées vers le haut par le soufflet 21.In the position of Figure 4C, the user releases its support which causes the expansion of the bellows 21 and the return of the rod 15 to the right in the direction of the arrow due to the shape memory of the bellows 21. The reverse tilting of the valve 12 is effected by the tabs 24 which are themselves driven upwards by the bellows 21.
Ce mouvement du clapet 12 conduit à la fermeture de l'orifice d'éjection 20, à l'ouverture simultanée de l'orifice d'admission 10 et, du fait de l'absence de reprise d'air, à la remontée conjointe du fond piston F dans le réservoir R, au contact du produit.This movement of the valve 12 leads to the closure of the ejection orifice 20, the simultaneous opening of the inlet port 10 and, because of the absence of air intake, to the joint rise of the piston bottom F in the tank R, in contact with the product.
L'orifice d'admission 10 étant ouvert, la chambre C se remplit à nouveau par effet d'aspiration jusqu'à l'équilibre obtenu dans la nouvelle position de repos représentée sur la figure 4D With the admission orifice 10 open, the chamber C fills again by suction effect until the equilibrium obtained in the new rest position shown in FIG. 4D.

Claims

R OREVENDICATIONS R OREVENDICATIONS
1. Pompe pour distributeur de produits liquides comprenant un réservoir (R), susceptible de coopérer avec un élément d'actionnement manuel (2) pourvu d'un orifice d'éjection (20) caractérisée en ce que ladite pompe est constituée d'un corps (1) d'une seule pièce qui comporte, d'une part, une embase (11) coiffant ledit réservoir et présentant un orifice d'admission (10) et, d'autre part, un clapet (12) monté sur ladite embase via une articulation associée à un moyen de rappel élastique permettant, par appui sur l'élément d'actionnement (2), le basculement réversible dudit clapet (12) vers ladite embase (11) pour ouvrir l'orifice d'éjection (20) et fermer simultanément l'orifice d'admission (10).1. Pump for dispensing liquid products comprising a reservoir (R), capable of cooperating with a manual actuating element (2) provided with an ejection orifice (20) characterized in that said pump consists of a body (1) in one piece which comprises, on the one hand, a base (11) covering said tank and having an inlet (10) and, on the other hand, a valve (12) mounted on said base via a joint associated with an elastic return means allowing, by pressing on the actuating element (2), the reversible tilting of said valve (12) towards said base (11) to open the ejection orifice (20). ) and simultaneously close the inlet (10).
2. Pompe selon la revendication 1 caractérisée en ce que ledit clapet (12) porte deux obturateurs étanches respectivement de l'orifice d'admission (10) et de l'orifice d'éjection (20).2. Pump according to claim 1 characterized in that said valve (12) carries two sealed shutters respectively of the inlet port (10) and the ejection orifice (20).
3. Pompe selon la revendication 1 ou 2 caractérisée en ce que lesdits obturateurs sont constitués de bossages (12a, 12b) dont les dimensions permettent une coopération étanche avec respectivement les orifices d'éjection (20) et d'admission (10). 3. Pump according to claim 1 or 2 characterized in that said shutters consist of bosses (12a, 12b) whose dimensions allow a tight cooperation with respectively the ejection orifices (20) and admission (10).
4. Pompe selon la revendication 2 ou 3 caractérisée en ce que lesdits obturateurs sont montés de part et d'autre d'une biellette triangulaire (15).4. Pump according to claim 2 or 3 characterized in that said shutters are mounted on either side of a triangular link (15).
5. Pompe selon la revendication 4 caractérisée en ce que ladite articulation est constituée d'une charnière (13) raccordée à l'angle de ladite biellette (15).5. Pump according to claim 4 characterized in that said hinge is constituted by a hinge (13) connected to the angle of said link (15).
6. Pompe selon la revendication 5 caractérisée en ce que ladite charnière (13) est constituée d'une bande de liaison à effet de ressort.6. Pump according to claim 5 characterized in that said hinge (13) consists of a spring-acting connecting strip.
7. Pompe selon l'une des revendications précédentes caractérisée en ce que ledit clapet (12) comporte un levier de commande (14) sur lequel l'élément d'actionnement (2) est susceptible de venir en contact d'appui pour provoquer son basculement. 7. Pump according to one of the preceding claims characterized in that said valve (12) comprises a control lever (14) on which the actuating element (2) is capable of coming into bearing contact to cause its failover.
8. Pompe selon l'une des revendications précédentes caractérisée en ce que l'élément d'actionnement (2) est pourvu d'un soufflet élastique (21) formant moyen de rappel élastique du clapet (12). 8. Pump according to one of the preceding claims characterized in that the actuating element (2) is provided with a resilient bellows (21) forming elastic return means of the valve (12).
9. Pompe selon l'une des revendications précédentes caractérisée en ce que l'élément d'actionnement (2) est réalisé d'une seule pièce avec la partie supérieure du réservoir (R) du distributeur.9. Pump according to one of the preceding claims characterized in that the actuating element (2) is formed integrally with the upper part of the reservoir (R) of the distributor.
10. Pompe selon l'une des revendications précédentes caractérisée en ce que la paroi interne de l'élément d'actionnement (2) porte au moins une patte de traction (24) dudit clapet (12).10. Pump according to one of the preceding claims characterized in that the inner wall of the actuating member (2) carries at least one pull tab (24) of said valve (12).
11. Pompe selon l'une des revendications précédentes caractérisée en ce que ledit corps (1) comporte deux paliers latéraux (16) encadrant et/ou supportant ledit clapet (12). 11. Pump according to one of the preceding claims characterized in that said body (1) comprises two lateral bearings (16) flanking and / or supporting said valve (12).
12. Pompe selon les revendications 10 et 11 caractérisée en ce qu'au moins l'un desdits paliers (16) présente une gorge longitudinale (16a) ménagée sur sa paroi interne pour le passage de ladite patte de traction (24).12. Pump according to claims 10 and 11 characterized in that at least one of said bearings (16) has a longitudinal groove (16a) provided on its inner wall for the passage of said pull tab (24).
13. Pompe selon l'une des revendications précédentes caractérisée en ce que ladite embase (11) comporte une jupe latérale d'étanchéité (17) venant en serrage radial contre la paroi interne de l'élément d'actionnement ou du réservoir.13. Pump according to one of the preceding claims characterized in that said base (11) comprises a sealing side skirt (17) clamping radially against the inner wall of the actuating element or the reservoir.
14. Pompe selon l'une des revendications précédentes caractérisée en ce que la partie supérieure du clapet (12) présente une face inclinée (14a) facilitant le contact d'appui de l'élément d'actionnement (2). 14. Pump according to one of the preceding claims characterized in that the upper part of the valve (12) has an inclined face (14a) facilitating the bearing contact of the actuating element (2).
EP06831079A 2005-11-10 2006-11-07 Tilting flap pump Active EP1945373B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0553432A FR2893091B1 (en) 2005-11-10 2005-11-10 TILTING CHECK PUMP
PCT/FR2006/002477 WO2007057538A1 (en) 2005-11-10 2006-11-07 Tilting flap pump

Publications (2)

Publication Number Publication Date
EP1945373A1 true EP1945373A1 (en) 2008-07-23
EP1945373B1 EP1945373B1 (en) 2010-01-13

Family

ID=36717111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06831079A Active EP1945373B1 (en) 2005-11-10 2006-11-07 Tilting flap pump

Country Status (8)

Country Link
US (1) US7922042B2 (en)
EP (1) EP1945373B1 (en)
CN (1) CN101330984B (en)
AT (1) ATE454939T1 (en)
BR (1) BRPI0619696A2 (en)
DE (1) DE602006011774D1 (en)
FR (1) FR2893091B1 (en)
WO (1) WO2007057538A1 (en)

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Publication number Priority date Publication date Assignee Title
US7997454B2 (en) * 2007-04-26 2011-08-16 Sealed Air Corporation (Us) Metering dispensing system with improved valving to prevent accidental dispensing of liquid therefrom
WO2011005975A1 (en) 2009-07-08 2011-01-13 Poly-D, Llc Metering dispensing system with one-piece pump assembly
AT508350B1 (en) * 2009-09-28 2011-01-15 Rene Ing Mag Habinger TOOTHBRUSH
JP6151261B2 (en) * 2011-10-27 2017-06-21 エルブイエムエイチ レシェルシェ Closure caps for product containers, especially cosmetic containers
CN109475216A (en) 2016-07-22 2019-03-15 Hct集团控股有限公司 Tilting action pump

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US3507586A (en) * 1968-04-04 1970-04-21 Erich W Gronemeyer Pump
FR2510069A1 (en) * 1981-07-21 1983-01-28 Blanie Paul Liquid or paste distribution vessel - has valves integral with reservoir containing inlet and discharge passages
US4696415A (en) * 1985-02-26 1987-09-29 Philip Meshberg Apparatus for dispensing products from a self-sealing dispenser
US4936493A (en) * 1987-11-23 1990-06-26 Calmar, Inc. Elastomeric valve and piston structure for product dispenser
US4872596A (en) * 1988-03-15 1989-10-10 Calmar Inc. Viscous product dispenser
US4890773A (en) * 1988-03-15 1990-01-02 Calmar, Inc. Viscous product dispenser
IT1238164B (en) * 1990-01-12 1993-07-09 Guala Spa DISPENSER FOR PASTY PRODUCTS WITH REPLACEABLE CARTRIDGE CONTAINER
US5176510A (en) * 1990-02-16 1993-01-05 Sterisol Ab Device for dispensing fluid that includes a valve which communicates with a pump
FR2711554B1 (en) * 1993-10-22 1995-12-22 Oreal Distribution unit with controlled air intake.
GB9507572D0 (en) * 1995-04-12 1995-05-31 Smithkline Beecham Plc Dispenser
FR2773783B1 (en) * 1998-01-22 2000-03-24 Rexam Smt SELF-SHUTTERING MANUAL DISPENSER
US6460739B1 (en) * 2001-12-13 2002-10-08 Colgate-Palmolive Company Dispenser

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Title
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Also Published As

Publication number Publication date
CN101330984B (en) 2010-12-01
FR2893091B1 (en) 2007-12-21
CN101330984A (en) 2008-12-24
WO2007057538A1 (en) 2007-05-24
DE602006011774D1 (en) 2010-03-04
BRPI0619696A2 (en) 2011-10-11
US7922042B2 (en) 2011-04-12
ATE454939T1 (en) 2010-01-15
US20080277427A1 (en) 2008-11-13
FR2893091A1 (en) 2007-05-11
EP1945373B1 (en) 2010-01-13

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