EP1751020A1 - Non-vented liquid product dispenser - Google Patents

Non-vented liquid product dispenser

Info

Publication number
EP1751020A1
EP1751020A1 EP05763724A EP05763724A EP1751020A1 EP 1751020 A1 EP1751020 A1 EP 1751020A1 EP 05763724 A EP05763724 A EP 05763724A EP 05763724 A EP05763724 A EP 05763724A EP 1751020 A1 EP1751020 A1 EP 1751020A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
rod
needle
channel
spring
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
EP05763724A
Other languages
German (de)
French (fr)
Other versions
EP1751020B1 (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 EP1751020A1 publication Critical patent/EP1751020A1/en
Application granted granted Critical
Publication of EP1751020B1 publication Critical patent/EP1751020B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/248—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by imparting a motion to the valve stem
    • B65D47/249—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by imparting a motion to the valve stem by means of a lever mechanism
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1094—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 having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/243—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving linearly, i.e. without rotational motion
    • 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

Definitions

  • the present invention relates to a device for dispensing liquid products and more particularly, cosmetic or pharmaceutical products, without air intake.
  • Distributors of liquid products without return air generally include a tank provided with a movable bottom, an exhaust pipe and a pusher cooperating with a piston and a return spring .
  • the distribution method is poorly controlled, which is detrimental to the dosage of the product, in particular when the volumes are low (a few milliliters).
  • the present invention aims to solve these problems satisfactorily.
  • a device characterized in that it comprises a sealing and metering bushing supporting a shutter needle displaceable in translation in a discharge channel formed on said bushing being connected by a drive rod to an axial guide rod capable of sliding in the exhaust duct of the reservoir communicating with said channel, by pressing on said sleeve and compression of said spring.
  • said needle is secured laterally to a set of elastic blades whose free ends are fixed to the sleeve.
  • said drive rod is provided with a hinge connecting with said needle allowing its flap in said channel from a deployed molding position.
  • said rod is provided with a lateral lug cooperating with a retaining notch formed on the internal wall of the exhaust duct.
  • said rod is provided with a longitudinal flat allowing the passage of the product towards the evacuation channel.
  • said link consists of a cam of triangular articulated section, in the lower part, respectively on the rod and on the sleeve and, in the upper part, on a beveled end of the needle.
  • said channel is provided with deformable upper lips allowing the needle to snap into place.
  • said socket comprises a central sleeve forming a piston intended to cover the exhaust duct by delimiting, around said rod and above said duct, a metering chamber.
  • said sleeve comprises a peripheral skirt surrounding said spring and carrying in the lower part a flange capable of coming into abutment on the upper part of the reservoir at the end of metering.
  • the socket of the invention is produced in one piece with the needle, the link and the rod by injection molding. It is further provided that said socket is associated with a cover forming a push button and closing said discharge channel in the upper part.
  • this cover forming a pusher comprises an orifice aligned with the axis of said channel and the internal periphery of which receives the support of the needle in the sealed closure position.
  • the device of the invention ensures self-sealing of the dispenser.
  • the seal is further reinforced and secured by the action of the elastic blades.
  • the link and the rod allow to break down the product distribution mode which is thus carried out in two stages which allows better control of the dosage.
  • the metering chamber is arranged outside the product tank and inside the return spring, being isolated by the wall of the sleeve, thereby preserving the product from contact with the metallic elements.
  • the device of the invention can be produced in one piece by injection molding and offers a high rate of product return.
  • FIG. 1 represents a general view in axial section of an embodiment of the device of the invention mounted on an “airless” dispenser;
  • FIGS. 2A and 2B represent sectional views of the embodiment of FIG. 1, respectively, on leaving the mold and after mounting the cover, before assembly on a distributor;
  • Figure 3 shows the embodiment of the previous figures in bottom view;
  • FIGS. 4A to 4E represent the device of the invention during the successive phases of the distribution of the product.
  • the device of the invention as shown in the figures is intended to equip a dispenser for liquid products and more particularly cosmetic or pharmaceutical products, without air intake shown in FIG. 1.
  • This product is packaged in a tank R which is provided, at the bottom, with a movable bottom F and, at the top, with a shoulder E carrying a product exhaust duct C.
  • the dispenser is also provided with a pusher intended to cooperate with a piston
  • the device of the invention as shown in particular in FIGS. 2A and 2B, comprises a sleeve 1 for sealing and metering supporting a shutter needle 2.
  • the needle 2 is intended to be housed in an evacuation channel 12 formed here on the upper face of the sleeve 1 after flap and snap-in from the deployed mold outlet position of FIG. 2A, the device here being made in one piece.
  • the channel 12 offers, at its upper part, deformable lips 12a projecting partially closing the channel.
  • the needle 2 is displaceable in translation in the channel 12 by manual support on the sleeve 1 and compression of the spring S, by being connected by a connecting rod 3 to a axial guide rod 4 which is capable of sliding in the conduit C tank R exhaust during product distribution.
  • the drive rod 3 is provided with a hinge 32 for connection with the needle 2 allowing its flap.
  • This link consists of a cam 31 of triangular articulated section, in the lower part, respectively on the rod 4 and on the sleeve 1 and, in the upper part, on a beveled end 21 of the needle 2 via the charmère 32.
  • the link 3 thus has a pivot axis with each of the adjacent elements.
  • the rod 4 is inserted with freedom of sliding in the conduit C while filling its internal volume except at the location of a longitudinal flat 40 (see FIG. 3) allowing the product to pass through said conduit and in the direction of the channel 12.
  • the rod 4 is also provided with a lateral lug 41 cooperating with a retaining catch e formed on the internal wall of the conduit C.
  • the conduit C communicates with the channel 12 via a metering chamber 10 delimited inside a central sleeve 11, above the conduit C and extending, in the sleeve 1, coaxially with the rod 4.
  • the sleeve 11 is intended to cover the duct C in a sealed manner by forming a piston.
  • the upper edge of the conduit C will advantageously be provided with a peripheral lip p.
  • the needle 2 is laterally secured to a set of two elastic blades 21a, 21b, the free ends of which are fixed to the bush 1 by blocking in slots 20a, 20b, after the needle flap (see FIG. 2B).
  • the blades 21a, 21b participate in the recall, guiding and then maintaining the needle in the closed position of the channel 12 (see FIGS. 4A and 4D).
  • the sleeve 1 further comprises a peripheral skirt 13 surrounding the spring S and carrying, in the lower part a flange 13a coming, in the final metering phase, in abutment against the shoulder E of the reservoir R.
  • the flange 13a also cooperates with a radially projecting rim T carried by the reservoir R and ensuring the retention of the sleeve 1 in its housing as well as the maintenance under tension of the spring S in the sealed closing position of the distributor (see FIG. 4E).
  • the device of the invention further comprises a cover 5 forming a push button and closing the channel 12 sealingly in the upper part.
  • This cover is, for example, snapped on (as in the variant shown here in the figures) or fitted onto the socket 1.
  • the cover 5 comprises a lateral ejection orifice 50, possibly associated with a nozzle, "the internal periphery of which receives support from the end of the needle 2 in the position for sealingly closing the dispenser.
  • the internal periphery of the orifice 50 will be provided with an annular ring forming a valve seat for the end of the needle 2.
  • the sleeve 11 begins its descent by compressing the spring S and subjecting the rod 3 to a torque in the counterclockwise direction. This movement causes the needle 2 to translate backwards and to withdraw from it relative to the ejection orifice 50.
  • the metering chamber is gradually emptied by the piston effect of the sleeve 11 and the scraping of its wall by the lip p of the conduit C causing the product to be delivered through the channel 12 and the orifice 50.
  • Figure 4E corresponds to the return phase to the rest position of Figure 4A.
  • the relaxation of the manual support causes the spring S. to relax. This relaxation first causes the sleeve 11 and the pusher 5 to rise until the needle 2 abuts against the orifice 50, the rod 4 remaining. immobilized in conduit C.
  • the link 3 pivots clockwise and pushes the needle 2 against the orifice 50. This movement is accompanied by the aspiration of the product in the reservoir R and the gradual filling of the chamber 10 inside the sleeve 11.
  • the spring S is then kept under slight tension by the early abutment of the flange 13a against the projecting rim T of the reservoir R.

Abstract

The invention relates to a device which is used for the non-vented dispensing of liquid products from a container including a mobile base, an exhaust conduit and a push element which co-operates with a piston and a return spring. The invention is characterized in that the device includes a sealing and dosing bush bearing a sealing needle valve which can move in translation in a discharge channel in the bush, the needle valve being connected by means of a drive link to an axial guide rod which can slide in the exhaust conduit of the container that is connected to the channel by pressing on the bush and compressing the spring.

Description

DISPOSITIF POUR LA DISTRIBUTION DE PRODUITS LIQUIDES SANS REPRISE D'AIR DEVICE FOR DISPENSING LIQUID PRODUCTS WITHOUT AIR INTAKE
La présente invention concerne un dispositif pour la distribution de produits liquides et plus particulièrement, de produits cosmétiques ou pharmaceutiques, sans reprise d'air.The present invention relates to a device for dispensing liquid products and more particularly, cosmetic or pharmaceutical products, without air intake.
Les distributeurs de produits liquides sans reprise d'air (souvent dénommés « airless »), comprennent généralement un réservoir muni d'un fond mobile, d'un conduit d'échappement et d'un poussoir coopérant avec un piston et un ressort de rappel.Distributors of liquid products without return air (often called "airless"), generally include a tank provided with a movable bottom, an exhaust pipe and a pusher cooperating with a piston and a return spring .
Cependant, ces distributeurs rencontrent des problèmes d'étanchéité en particulier au niveau de la chambre de volume déterminé qui contient les doses de produit à délivrer. Un autre problème réside dans l'incompatibilité de certains produits avec les métaux qui interdit tout contact avec le ressort de rappel.However, these dispensers encounter sealing problems in particular at the level of the chamber of determined volume which contains the doses of product to be delivered. Another problem lies in the incompatibility of certain products with metals which prevents any contact with the return spring.
Par ailleurs, le mode de distribution est mal contrôlé ce qui est préjudiciable au dosage du produit en particulier lorsque les volumes sont faibles (quelques millilitres).Furthermore, the distribution method is poorly controlled, which is detrimental to the dosage of the product, in particular when the volumes are low (a few milliliters).
En outre, il existe des difficultés de fabrication et d'assemblage des différentes pièces constitutives du distributeur et en particulier des éléments participant à l'étanchéité dont la finesse et le positionnement sont déterminants pour la réalisation d'un distributeur fiable et performant.In addition, there are difficulties in manufacturing and assembling the various component parts of the dispenser and in particular of the elements participating in the sealing, the fineness and positioning of which are decisive for the production of a reliable and efficient dispenser.
La présente invention a pour but de résoudre ces problèmes de manière satisfaisante.The present invention aims to solve these problems satisfactorily.
Ce but est atteint selon l'invention au moyen d'un dispositif caractérisé en ce qu'il comprend une douille d'étanchéité et de dosage supportant un pointeau d'obturation déplaçable en translation dans un canal d'évacuation ménagé sur ladite douille en étant raccordé par une biellette d'entraînement à une tige axiale de guidage susceptible de coulisser dans le conduit d'échappement du réservoir communiquant avec ledit canal, par appui sur ladite douille et compression dudit ressort. Selon une caractéristique avantageuse, ledit pointeau est solidaire latéralement d'un jeu de lames élastiques dont les extrémités libres sont fixées sur la douille.This object is achieved according to the invention by means of a device characterized in that it comprises a sealing and metering bushing supporting a shutter needle displaceable in translation in a discharge channel formed on said bushing being connected by a drive rod to an axial guide rod capable of sliding in the exhaust duct of the reservoir communicating with said channel, by pressing on said sleeve and compression of said spring. According to an advantageous characteristic, said needle is secured laterally to a set of elastic blades whose free ends are fixed to the sleeve.
Selon une autre caractéristique, ladite biellette d'entraînement est pourvue d'une charnière de liaison avec ledit pointeau permettant son rabat dans ledit canal à partir d'une position déployée de moulage.According to another characteristic, said drive rod is provided with a hinge connecting with said needle allowing its flap in said channel from a deployed molding position.
Selon encore une autre caractéristique, ladite tige est pourvue d'un ergot latéral coopérant avec un cran de retenue ménagé sur la paroi interne du conduit d'échappement.According to yet another characteristic, said rod is provided with a lateral lug cooperating with a retaining notch formed on the internal wall of the exhaust duct.
Selon une première variante, ladite tige est pourvue d'un méplat longitudinal permettant le passage du produit vers le canal d'évacuation. Selon une seconde variante, ladite biellette est constituée d'une came de section triangulaire articulée, en partie basse, respectivement sur la tige et sur la douille et, en partie haute, sur une extrémité biseautée du pointeau.According to a first variant, said rod is provided with a longitudinal flat allowing the passage of the product towards the evacuation channel. According to a second variant, said link consists of a cam of triangular articulated section, in the lower part, respectively on the rod and on the sleeve and, in the upper part, on a beveled end of the needle.
Selon une autre variante, ledit canal est pourvu de lèvres supérieures déformables permettant l'encliquetage du pointeau.According to another variant, said channel is provided with deformable upper lips allowing the needle to snap into place.
Selon une autre caractéristique, ladite douille comporte un manchon central formant piston destiné à coiffer le conduit d'échappement en délimitant, autour de ladite tige et au-dessus dudit conduit, une chambre de dosage.According to another characteristic, said socket comprises a central sleeve forming a piston intended to cover the exhaust duct by delimiting, around said rod and above said duct, a metering chamber.
De préférence, ladite douille comporte une jupe périphérique entourant ledit ressort et portant en partie basse une bride susceptible de venir en butée sur la partie haute du réservoir en fin de dosage.Preferably, said sleeve comprises a peripheral skirt surrounding said spring and carrying in the lower part a flange capable of coming into abutment on the upper part of the reservoir at the end of metering.
Avantageusement, la douille de l'invention est réalisée d'une seule pièce avec le pointeau, la biellette et la tige par moulage à injection. Il est prévu, en outre, que ladite douille soit associée à un capot formant bouton-poussoir et fermant ledit canal d'évacuation en partie supérieure. •Advantageously, the socket of the invention is produced in one piece with the needle, the link and the rod by injection molding. It is further provided that said socket is associated with a cover forming a push button and closing said discharge channel in the upper part. •
De préférence, ce capot formant poussoir comporte un orifice aligné sur l'axe dudit canal et dont le pourtour interne reçoit l'appui du pointeau en position d'obturation étanche.Preferably, this cover forming a pusher comprises an orifice aligned with the axis of said channel and the internal periphery of which receives the support of the needle in the sealed closure position.
Grâce au pointeau rétractable, le dispositif de l'invention assure une auto-étanchéité du distributeur.Thanks to the retractable needle, the device of the invention ensures self-sealing of the dispenser.
L'étanchéité est, en outre, renforcée et sécurisée par l'action des lames élastiques.The seal is further reinforced and secured by the action of the elastic blades.
La biellette et la tige permettent quant à elles de décomposer le mode de distribution du produit qui s'effectue ainsi en deux temps ce qui permet un meilleur contrôle du dosage.The link and the rod allow to break down the product distribution mode which is thus carried out in two stages which allows better control of the dosage.
Au surplus, la chambre de dosage est disposée à l'extérieur du réservoir de produit et à l'intérieur du ressort de rappel en étant isolée par la paroi du manchon en préservant ainsi le produit de tout contact avec les éléments métalliques.In addition, the metering chamber is arranged outside the product tank and inside the return spring, being isolated by the wall of the sleeve, thereby preserving the product from contact with the metallic elements.
Enfin, le dispositif de l'invention peut être réalisé d'une seule pièce par moulage à injection et offre un taux élevé de restitution du produit.Finally, the device of the invention can be produced in one piece by injection molding and offers a high rate of product return.
L'invention sera mieux comprise à la lecture de la description qui va suivre en référence aux dessins sur lesquels ; La figure 1 représente une vue générale en coupe axiale d'un mode de réalisation du dispositif de l'invention monté sur un distributeur «airless »;The invention will be better understood on reading the description which follows with reference to the drawings on which; FIG. 1 represents a general view in axial section of an embodiment of the device of the invention mounted on an “airless” dispenser;
Les figures 2A et 2B représentent des vues en coupe du mode de réalisation de la figure 1, respectivement, en sortie de moule et après montage du capot, avant assemblage sur un distributeur; La figure 3 représente le mode de réalisation des figures précédentes en vue de dessous; Les figures 4A à 4E représentent le dispositif de l'invention au cours des phases successives de la distribution du produit. Le dispositif de l'invention tel qu'il est représenté sur les figures est destiné à équiper un distributeur de produits liquides et plus particulièrement de produits cosmétiques ou pharmaceutiques, sans reprise d'air représenté sur la figure 1.FIGS. 2A and 2B represent sectional views of the embodiment of FIG. 1, respectively, on leaving the mold and after mounting the cover, before assembly on a distributor; Figure 3 shows the embodiment of the previous figures in bottom view; FIGS. 4A to 4E represent the device of the invention during the successive phases of the distribution of the product. The device of the invention as shown in the figures is intended to equip a dispenser for liquid products and more particularly cosmetic or pharmaceutical products, without air intake shown in FIG. 1.
Ce produit est conditionné dans un réservoir R qui est muni, en partie basse, d'un fond mobile F et, en partie haute, d'un épaulement E portant un conduit C d'échappement du produit.This product is packaged in a tank R which is provided, at the bottom, with a movable bottom F and, at the top, with a shoulder E carrying a product exhaust duct C.
Le distributeur est également pourvu d'un poussoir destiné à coopérer avec un pistonThe dispenser is also provided with a pusher intended to cooperate with a piston
(décrit ci-après) et un ressort de rappel S.(described below) and a return spring S.
Le dispositif de l'invention, tel qu'il est représenté notamment sur les figures 2A et 2B, comprend une douille 1 d'étanchéité et de dosage supportant un pointeau d'obturation 2.The device of the invention, as shown in particular in FIGS. 2A and 2B, comprises a sleeve 1 for sealing and metering supporting a shutter needle 2.
Comme représenté sur la figure 2B, le pointeau 2 est destiné à se loger dans un canal d'évacuation 12 ménagé ici sur la face supérieure de la douille 1 après rabat et encliquetage depuis la position déployée de sortie de moule de la figure 2A, le dispositif étant ici réalisé d'une seule pièce.As shown in FIG. 2B, the needle 2 is intended to be housed in an evacuation channel 12 formed here on the upper face of the sleeve 1 after flap and snap-in from the deployed mold outlet position of FIG. 2A, the device here being made in one piece.
A cet effet, le canal 12 offre, à sa partie supérieure, des lèvres déformables 12a en saillie refermant partiellement le canal.To this end, the channel 12 offers, at its upper part, deformable lips 12a projecting partially closing the channel.
Le pointeau 2 est déplaçable en translation dans le canal 12 par appui manuel sur la douille 1 et compression du ressort S, en étant raccordé par une biellette 3 d'entraînement à une tige axiale 4 de guidage qui est susceptible de coulisser dans le conduit C d'échappement du réservoir R lors de la distribution du produit. La biellette 3 d'entraînement est pourvue d'une charnière 32 de liaison avec le pointeau 2 permettant son rabat.The needle 2 is displaceable in translation in the channel 12 by manual support on the sleeve 1 and compression of the spring S, by being connected by a connecting rod 3 to a axial guide rod 4 which is capable of sliding in the conduit C tank R exhaust during product distribution. The drive rod 3 is provided with a hinge 32 for connection with the needle 2 allowing its flap.
Cette biellette est constituée d'une came 31 de section triangulaire articulée, en partie basse, respectivement sur la tige 4 et sur la douille 1 et, en partie haute, sur une extrémité biseautée 21 du pointeau 2 via la charmère 32. La biellette 3 présente ainsi un axe de pivotement avec chacun des éléments adjacents.This link consists of a cam 31 of triangular articulated section, in the lower part, respectively on the rod 4 and on the sleeve 1 and, in the upper part, on a beveled end 21 of the needle 2 via the charmère 32. The link 3 thus has a pivot axis with each of the adjacent elements.
La tige 4 est insérée avec liberté de coulissement dans le conduit C en remplissant son volume intérieur sauf à l'endroit d'un méplat longitudinal 40 (voir figure 3) permettant le passage du produit au travers dudit conduit et en direction du canal 12. La tige 4 est aussi pourvue d'un ergot latéral 41 coopérant avec un cran de retenue e ménagé sur la paroi interne du conduit C.The rod 4 is inserted with freedom of sliding in the conduit C while filling its internal volume except at the location of a longitudinal flat 40 (see FIG. 3) allowing the product to pass through said conduit and in the direction of the channel 12. The rod 4 is also provided with a lateral lug 41 cooperating with a retaining catch e formed on the internal wall of the conduit C.
Lors du montage de la douille 1 sur le réservoir R, la tige 4 pénètre dans le conduit C et l'ergot 41 vient s'encliqueter sous le cran c.When mounting the socket 1 on the tank R, the rod 4 enters the conduit C and the lug 41 snaps under the notch c.
Le conduit C communique avec le canal 12 via une chambre de dosage 10 délimitée à l'intérieur d'un manchon central 11, au-dessus du conduit C et s'étendant, dans la douille 1, coaxialement à la tige 4.The conduit C communicates with the channel 12 via a metering chamber 10 delimited inside a central sleeve 11, above the conduit C and extending, in the sleeve 1, coaxially with the rod 4.
Le manchon 11 est destiné à coiffer le conduit C de manière étanche en formant un piston.The sleeve 11 is intended to cover the duct C in a sealed manner by forming a piston.
Pour parfaire l'étanchéité de la chambre 10 formant le cylindre du piston, le bord supérieur du conduit C sera avantageusement muni d'une lèvre périphérique p. Le pointeau 2 est solidaire latéralement d'un jeu de deux lames élastiques 21a, 21b dont les extrémités libres sont fixées sur la douille 1 par blocage dans des créneaux 20a, 20b, après rabat du pointeau (voir figure 2B). Les lames 21a, 21b participent au rappel, au guidage puis au maintien du pointeau en position d'obturation du canal 12 (voir figures 4A et 4D).To perfect the sealing of the chamber 10 forming the piston cylinder, the upper edge of the conduit C will advantageously be provided with a peripheral lip p. The needle 2 is laterally secured to a set of two elastic blades 21a, 21b, the free ends of which are fixed to the bush 1 by blocking in slots 20a, 20b, after the needle flap (see FIG. 2B). The blades 21a, 21b participate in the recall, guiding and then maintaining the needle in the closed position of the channel 12 (see FIGS. 4A and 4D).
La douille 1 comporte, en outre, une jupe périphérique 13 entourant le ressort S et portant, en partie basse une bride 13a venant, en phase finale de dosage, en butée contre l 'épaulement E du réservoir R.The sleeve 1 further comprises a peripheral skirt 13 surrounding the spring S and carrying, in the lower part a flange 13a coming, in the final metering phase, in abutment against the shoulder E of the reservoir R.
La bride 13a coopère également avec un rebord radialement saillant T porté par le réservoir R et assurant la retenue de la douille 1 dans son logement ainsi que le maintien sous tension du ressort S dans la position de fermeture étanche du distributeur (voir figure 4E).The flange 13a also cooperates with a radially projecting rim T carried by the reservoir R and ensuring the retention of the sleeve 1 in its housing as well as the maintenance under tension of the spring S in the sealed closing position of the distributor (see FIG. 4E).
Le dispositif de l'invention comporte, en outre, un capot 5 formant bouton-poussoir et fermant le canal 12 de façon étanche en partie supérieure.The device of the invention further comprises a cover 5 forming a push button and closing the channel 12 sealingly in the upper part.
Ce capot est, par exemple, encliqueté (comme dans la variante représentée ici sur les figures) ou emmanché sur la douille 1.This cover is, for example, snapped on (as in the variant shown here in the figures) or fitted onto the socket 1.
Le capot 5 comporte un orifice latéral d'éjection 50, éventuellement associé à une buse," dont le pourtour interne reçoit l'appui de l'extrémité du pointeau 2 en position d'obturation étanche du distributeur.The cover 5 comprises a lateral ejection orifice 50, possibly associated with a nozzle, " the internal periphery of which receives support from the end of the needle 2 in the position for sealingly closing the dispenser.
Le cas échéant, pour renforcer l'étanchéité, le pourtour interne de l'orifice 50 sera pourvu d'un jonc annulaire formant siège de clapet pour l'extrémité du pointeau 2.If necessary, to reinforce the seal, the internal periphery of the orifice 50 will be provided with an annular ring forming a valve seat for the end of the needle 2.
Le fonctionnement du dispositif va maintenant être décrit en référence aux figures 4A à 4E. Dans la position de repos représentée sur la figure 4A, l'extrémité du pointeau 2. est en appui vers l'avant contre l'orifice 50 du capot 5, à la fois sous l'action des lames élastiques 21a, 21b et du ressort S qui est en légère tension, obturant ainsi de façon hermétique le canal 12 et, plus généralement, le distributeur dans son ensemble.The operation of the device will now be described with reference to FIGS. 4A to 4E. In the rest position shown in FIG. 4A, the end of the needle 2 . is pressed forwards against the orifice 50 of the cover 5, both under the action of the elastic blades 21a, 21b and of the spring S which is in slight tension, thus sealingly closing the channel 12 and, more generally, the distributor as a whole.
Parallèlement, tandis que le manchon 11 est repoussé vers le haut, la tige 4 est tirée ver le bas dans le conduit C par le cran de retenue e et participe au couple de rotation auquel est soumise la biellette 3 dans le sens horaire (voir flèches), en renforçant ainsi l'appui du pointeau 2.At the same time, while the sleeve 11 is pushed upwards, the rod 4 is pulled downwards in the conduit C by the retaining notch e and participates in the torque to which the rod 3 is subjected clockwise (see arrows ), thereby strengthening the support of needle 2.
La position représentée sur la figure 4B correspond au début de la phase de distribution du produit, le capot/poussoir 5 commençant sa descente en réponse à l'appui manuel exercé verticalement par le consommateur.The position shown in Figure 4B corresponds to the start of the product distribution phase, the cover / pusher 5 starting its descent in response to manual support exerted vertically by the consumer.
Au cours de cette phase, la tige 4 reste immobile du fait des inévitables frottements accompagnant son emboîtement coulissant dans le conduit C.During this phase, the rod 4 remains stationary due to the inevitable friction accompanying its sliding fitting in the duct C.
Le manchon 11, quant à lui, amorce sa descente en comprimant le ressort S et en soumettant la biellette 3 à un couple de rotation dans le sens anti-horaire. Ce mouvement entraîne la translation vers l'arrière du pointeau 2 et son retrait par rapport à l'orifice d'éjection 50.The sleeve 11, meanwhile, begins its descent by compressing the spring S and subjecting the rod 3 to a torque in the counterclockwise direction. This movement causes the needle 2 to translate backwards and to withdraw from it relative to the ejection orifice 50.
Parallèlement, la chambre de dosage se vide progressivement par l'effet piston du manchon 11 et le raclage de sa paroi par la lèvre p du conduit C provoquant la délivrance du produit par le canal 12 et l'orifice 50.At the same time, the metering chamber is gradually emptied by the piston effect of the sleeve 11 and the scraping of its wall by the lip p of the conduit C causing the product to be delivered through the channel 12 and the orifice 50.
L'appui étant maintenu, le mouvement se poursuit et la biellette 3 vient en butée contre l'extrémité biseautée 21 du pointeau 2, comme représenté sur la figure 4B.The support being maintained, the movement continues and the link 3 abuts against the beveled end 21 of the needle 2, as shown in Figure 4B.
L'ouverture du distributeur est alors à son maximum. Dans la position de la figure 4C, le serrage de la tige 4 dans le conduit C a été vaincu par la poursuite des efforts d'appui sur le poussoir 5. La tige 4 amorce un coulissement vers le bas dans le conduit C, tandis que la biellette reste en butée contre le pointeau 2, en s'acheminant ainsi vers l'achèvement du dosage qui est finalement obtenu lorsque la bride 13a de la jupe 13 de la douille atteint l'épaulement E du réservoir R (figure 4D).The opening of the dispenser is then at its maximum. In the position of FIG. 4C, the tightening of the rod 4 in the conduit C has been overcome by the continuation of the support forces on the pusher 5. The rod 4 begins to slide downward in the conduit C, while the link remains in abutment against the needle 2, thus moving towards the completion of the metering which is finally obtained when the flange 13a of the skirt 13 of the sleeve reaches the shoulder E of the reservoir R (FIG. 4D).
La figure 4E correspond à la phase de retour vers la position de repos de la figure 4A. Le relâchement de l'appui manuel entraîne la détente du ressort S. Cette détente provoque d'abord la remontée du manchon 11 et du poussoir 5 jusqu'à ce que le pointeau 2 vienne en butée contre l'orifice 50, la tige 4 restant immobilisée dans le conduit C.Figure 4E corresponds to the return phase to the rest position of Figure 4A. The relaxation of the manual support causes the spring S. to relax. This relaxation first causes the sleeve 11 and the pusher 5 to rise until the needle 2 abuts against the orifice 50, the rod 4 remaining. immobilized in conduit C.
La biellette 3 pivote dans le sens horaire et repousse le pointeau 2 contre l'orifice 50. Ce mouvement s 'accompagne de l'aspiration du produit dans le réservoir R et du remplissage progressif de la chambre 10 à l'intérieur du manchon 11.The link 3 pivots clockwise and pushes the needle 2 against the orifice 50. This movement is accompanied by the aspiration of the product in the reservoir R and the gradual filling of the chamber 10 inside the sleeve 11.
Puis le serrage de la tige 4 dans le conduit est vaincu et la tige 4 remonte jusqu'à ce que son ergot 41 vienne en butée contre le cran e du conduit C, le pointeau étant maintenu vers l'avant grâce à l'action des lames élastiques 21a, 21b.Then the tightening of the rod 4 in the conduit is overcome and the rod 4 rises until its lug 41 abuts against the notch of the conduit C, the needle being held forward by the action of the elastic blades 21a, 21b.
Le ressort S est ensuite maintenu sous légère tension par la mise en butée anticipée de la bride 13a contre le rebord saillant T du réservoir R. The spring S is then kept under slight tension by the early abutment of the flange 13a against the projecting rim T of the reservoir R.

Claims

REVENDICATIONS
1) Dispositif pour la distribution de produits liquides sans reprise d'air à partir d'un réservoir (R) muni d'un fond mobile (F), d'un conduit d'échappement (C) et d'un poussoir coopérant avec un piston et un ressort de rappel (S), caractérisé en ce qu'il comprend une douille (1) d'étanchéité et de dosage supportant un pointeau d'obturation (2) déplaçable en translation dans un canal d'évacuation (12) ménagé sur ladite douille en étant raccordé par une biellette d'entraînement (3) à une tige axiale (4) de guidage susceptible de coulisser dans le conduit d'échappement (C) du réservoir communiquant avec ledit canal, par appui sur ladite douille (1) et compression dudit ressort (S).1) Device for dispensing liquid products without air intake from a tank (R) provided with a movable bottom (F), an exhaust duct (C) and a pusher cooperating with a piston and a return spring (S), characterized in that it comprises a sleeve (1) for sealing and metering supporting a shutter needle (2) displaceable in translation in a discharge channel (12) formed on said sleeve by being connected by a drive rod (3) to an axial rod (4) for guiding capable of sliding in the exhaust duct (C) of the tank communicating with said channel, by pressing on said sleeve ( 1) and compression of said spring (S).
2) Dispositif selon la revendication 1 caractérisé en ce que ledit pointeau (2) est solidaire latéralement d'un jeu de lames élastiques (21a, 21b) dont les extrémités libres sont fixées sur la douille (1).2) Device according to claim 1 characterized in that said needle (2) is laterally secured to a set of elastic blades (21a, 21b) whose free ends are fixed on the sleeve (1).
3) Dispositif selon l'une des revendications précédentes caractérisé en ce que ladite biellette d'entraînement (3) est pourvue d'une charnière de liaison (32) avec ledit pointeau (2) permettant son rabat dans ledit canal (12) à partir d'une position déployée de moulage.3) Device according to one of the preceding claims characterized in that said drive rod (3) is provided with a connecting hinge (32) with said needle (2) allowing its flap in said channel (12) from from a deployed molding position.
4) Dispositif selon l'une des revendications précédentes caractérisé en ce que ladite tige (4) est pourvue d'un ergot latéral (41) coopérant avec un cran de retenue (e) ménagé sur la paroi interne du conduit d'échappement (C).4) Device according to one of the preceding claims characterized in that said rod (4) is provided with a lateral lug (41) cooperating with a retaining notch (e) formed on the internal wall of the exhaust duct (C ).
5) Dispositif selon l'une des revendications précédentes caractérisé en ce que ladite tige (4) est pourvue d'un méplat longitudinal (40) permettant le passage du produit vers le canal d'évacuation (12). 6) Dispositif selon l'une des revendications précédentes caractérisé en ce que ladite biellette (3) est constituée d'une came de section triangulaire articulée, en partie basse, respectivement sur la tige (4) et sur la douille (1) et, en partie haute, sur une extrémité biseautée (21) du pointeau (2).5) Device according to one of the preceding claims characterized in that said rod (4) is provided with a longitudinal flat (40) allowing the passage of the product towards the discharge channel (12). 6) Device according to one of the preceding claims, characterized in that said link (3) consists of a cam of articulated triangular section, in the lower part, respectively on the rod (4) and on the sleeve (1) and, in the upper part, on a beveled end (21) of the needle (2).
7) Dispositif selon l'une des revendications précédentes caractérisé en ce que ledit canal (12) est pourvu de lèvres supérieures déformables (12a) permettant l'encliquetage du pointeau (2). 8) Dispositif selon l'une des revendications précédentes caractérisé en ce que ladite douille (1) comporte un manchon central (11) formant piston destiné à coiffer le conduit d'échappement (C) en délimitant, autour de ladite tige et au-dessus dudit conduit, une chambre de dosage (10). 9) Dispositif selon l'une des revendications précédentes caractérisé en ce que ladite douille (1) comporte une jupe périphérique (13) entourant ledit ressort (S) et portant en partie basse une bride (13a) susceptible de venir en butée sur la partie haute du réservoir (R) en fin de dosage.7) Device according to one of the preceding claims characterized in that said channel (12) is provided with deformable upper lips (12a) allowing the snap-fit of the needle (2). 8) Device according to one of the preceding claims characterized in that said sleeve (1) comprises a central sleeve (11) forming a piston intended to cover the exhaust duct (C) delimiting, around said rod and above of said conduit, a metering chamber (10). 9) Device according to one of the preceding claims characterized in that said sleeve (1) comprises a peripheral skirt (13) surrounding said spring (S) and carrying in the lower part a flange (13a) capable of abutting on the part tank top (R) at the end of dosing.
10) Dispositif selon l'une des revendications précédentes caractérisé en ce que la douille (1) est réalisée d'une seule pièce avec le pointeau (2), la biellette (3) et la tige (4) par moulage à injection.10) Device according to one of the preceding claims characterized in that the sleeve (1) is made in one piece with the needle (2), the rod (3) and the rod (4) by injection molding.
11) Dispositif selon l'une des revendications précédentes caractérisé en ce qu'il comporte, en outre, un capot. (5) formant bouton-poussoir et fermant ledit canal d'évacuation (12) en partie supérieure.11) Device according to one of the preceding claims characterized in that it further comprises a cover. (5) forming a push button and closing said discharge channel (12) in the upper part.
12) Dispositif selon la revendication 11 caractérisé en ce que ledit capot (5) comporte un orifice (50) aligné sur l'axe dudit canal (12) et dont le pourtour interne reçoit l'appui du pointeau (2) en position d'obturation étanche. 12) Device according to claim 11 characterized in that said cover (5) has an orifice (50) aligned with the axis of said channel (12) and whose internal periphery receives the support of the needle (2) in position watertight sealing.
EP05763724A 2004-05-19 2005-04-28 Non-vented liquid product dispenser Active EP1751020B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0405452A FR2870525B1 (en) 2004-05-19 2004-05-19 DEVICE FOR DISPENSING LIQUID PRODUCTS WITHOUT RETURNING AIR
PCT/FR2005/001060 WO2005123529A1 (en) 2004-05-19 2005-04-28 Non-vented liquid product dispenser

Publications (2)

Publication Number Publication Date
EP1751020A1 true EP1751020A1 (en) 2007-02-14
EP1751020B1 EP1751020B1 (en) 2008-07-23

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EP05763724A Active EP1751020B1 (en) 2004-05-19 2005-04-28 Non-vented liquid product dispenser

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US (1) US7780045B2 (en)
EP (1) EP1751020B1 (en)
JP (1) JP2007537942A (en)
KR (1) KR20070012717A (en)
CN (1) CN100509578C (en)
AT (1) ATE402086T1 (en)
AU (1) AU2005254280A1 (en)
BR (1) BRPI0510209B1 (en)
CA (1) CA2565273A1 (en)
DE (1) DE602005008423D1 (en)
ES (1) ES2311231T3 (en)
FR (1) FR2870525B1 (en)
MX (1) MXPA06013400A (en)
RU (1) RU2006140471A (en)
WO (1) WO2005123529A1 (en)

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DE102008038654B4 (en) 2008-08-12 2019-09-19 Aptar Dortmund Gmbh Dispensing head with swiveling valve element
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Also Published As

Publication number Publication date
BRPI0510209B1 (en) 2018-03-13
KR20070012717A (en) 2007-01-26
EP1751020B1 (en) 2008-07-23
FR2870525A1 (en) 2005-11-25
DE602005008423D1 (en) 2008-09-04
ATE402086T1 (en) 2008-08-15
US20070084882A1 (en) 2007-04-19
WO2005123529A1 (en) 2005-12-29
JP2007537942A (en) 2007-12-27
AU2005254280A1 (en) 2005-12-29
US7780045B2 (en) 2010-08-24
ES2311231T3 (en) 2009-02-01
BRPI0510209A (en) 2007-10-16
CN100509578C (en) 2009-07-08
MXPA06013400A (en) 2007-03-01
FR2870525B1 (en) 2006-06-23
CN1953909A (en) 2007-04-25
CA2565273A1 (en) 2005-12-29
RU2006140471A (en) 2008-06-27

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