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EP1751020B1 - Non-vented liquid product dispenser - Google Patents

Non-vented liquid product dispenser Download PDF

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Publication number
EP1751020B1
EP1751020B1 EP05763724A EP05763724A EP1751020B1 EP 1751020 B1 EP1751020 B1 EP 1751020B1 EP 05763724 A EP05763724 A EP 05763724A EP 05763724 A EP05763724 A EP 05763724A EP 1751020 B1 EP1751020 B1 EP 1751020B1
Authority
EP
European Patent Office
Prior art keywords
rod
needle
bushing
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.)
Active
Application number
EP05763724A
Other languages
German (de)
French (fr)
Other versions
EP1751020A1 (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
Anticipated expiration legal-status Critical
Active legal-status Critical Current

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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
    • 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
    • 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 air intake generally comprise a tank provided with a movable bottom, an exhaust duct 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 especially when the volumes are low (a few milliliters).
  • the present invention aims to solve these problems satisfactorily.
  • said needle is secured laterally to a set of resilient blades whose free ends are fixed on the sleeve.
  • said drive link is provided with a connecting hinge with said needle allowing its flap in said channel from a deployed molded position.
  • said rod is provided with a lateral lug cooperating with a retaining notch formed on the inner 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 triangular section cam hinged at the bottom, 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 for snapping the needle.
  • said bushing 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 bushing comprises a peripheral skirt surrounding said spring and carrying in the lower part a flange capable of abutting on the upper part of the tank at the end of dosing.
  • the sleeve of the invention is made in one piece with the needle, the rod and the rod by injection molding.
  • said sleeve is associated with a push button cover and closing said discharge channel at the top.
  • this pusher cover comprises an orifice aligned on the axis of said channel and whose inner periphery receives the support of the needle in sealed sealing position.
  • the device of the invention ensures a self-sealing of the dispenser.
  • the sealing is further strengthened and secured by the action of the elastic blades.
  • the rod and the rod allow them to decompose the mode of distribution of the product which is thus done in two stages which allows a better control of the dosage.
  • the metering chamber is disposed outside the product reservoir and inside the return spring being isolated by the wall of the sleeve thus preserving the product of any contact with the metal elements.
  • the device of the invention can be made in one piece by injection molding and offers a high rate of return of the product.
  • the device of the invention as shown in the figures is intended to equip a dispenser of liquid products and more particularly of cosmetic or pharmaceutical products, without air intake shown on the figure 1 .
  • This product is packaged in a tank R which is provided, in the lower part, with a movable bottom F and, in the upper part, with a shoulder E carrying a conduit C for exhausting the product.
  • the dispenser is also provided with a pusher for cooperating with a piston (described below) and a return spring S.
  • the device of the invention as represented in particular on the Figures 2A and 2B , comprises a sealing and metering socket 1 supporting a sealing needle 2.
  • the needle 2 is intended to be housed in a discharge channel 12 formed here on the upper face of the sleeve 1 after flap and latch from the extended position of the mold outlet of the Figure 2A , the device here being made in one piece.
  • the channel 12 has, 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, being connected by a connecting rod 3 to an axial guide rod 4 which is slidable in the conduit C Exhaust tank R when dispensing the product.
  • the link 3 drive is provided with a hinge 32 for connection with the needle 2 for its flap
  • This rod consists of a cam 31 of triangular section hinged at the bottom, respectively on the rod 4 and the sleeve 1 and, in the upper part, on a beveled end 21 of the needle 2 via the hinge 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 by filling its interior volume except at the location of a longitudinal flat 40 (see figure 3 ) allowing the passage of the product through said conduit and towards the channel 12.
  • the rod 4 is also provided with a lateral lug 41 cooperating with a retaining notch e formed on the inner 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 duct C and extending, in the sleeve 1, coaxially with the rod 4.
  • the sleeve 11 is intended to cap the conduit C sealingly forming a piston.
  • the upper edge of the conduit C will advantageously be provided with a peripheral lip p.
  • the needle 2 is secured laterally to a set of two elastic blades 21a, 21b whose free ends are fixed on the sleeve 1 by locking in slots 20a, 20b, after flap of the needle (see Figure 2B ).
  • the blades 21a, 21b participate in the recall, guidance and maintenance of the needle in the closed position of the channel 12 (see Figures 4A and 4D ).
  • the sleeve 1 further comprises a peripheral skirt 13 surrounding the spring S and bearing, in the lower part, a flange 13a which, in the final dosing phase, abuts against the shoulder E of the tank R.
  • the flange 13a also cooperates with a radially protruding flange T carried by the tank R and ensuring the retention of the sleeve 1 in its housing and the maintenance of the spring S under tension in the closed position of the distributor (see figure 4E ).
  • the device of the invention further comprises a cover 5 forming a push button and closing the channel 12 sealingly at the top.
  • This cover is, for example, latched (as in the variant shown here in the figures) or fitted on the sleeve 1.
  • the cover 5 comprises a lateral ejection orifice 50, possibly associated with a nozzle, whose inner periphery receives the support of the end of the needle 2 in sealed sealing position of the dispenser.
  • the inner periphery of the orifice 50 will be provided with an annular ring forming a valve seat for the end of the needle 2.
  • the position represented on the Figure 4B corresponds to the beginning of the distribution phase of the product, the cover / pusher 5 starting its descent in response to the manual support exerted vertically by the consumer.
  • 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 translation towards the rear of the needle 2 and its withdrawal 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 duct C causing the product to be delivered via the channel 12 and the orifice 50.
  • the opening of the dispenser is then at its maximum.
  • the figure 4E corresponds to the return phase to the rest position of the Figure 4A .
  • the relaxation of the manual support causes the relaxation of the spring S.
  • This trigger first causes the rise of the sleeve 11 and the pusher 5 until the needle 2 abuts against the orifice 50, the rod 4 remaining immobilized in the duct C.
  • the rod 3 pivots clockwise and pushes the needle 2 against the orifice 50. This movement is accompanied by the suction of the product into the tank R and the progressive filling of the chamber 10 inside the sleeve 11.
  • the spring S is then maintained under slight tension by the early abutment of the flange 13a against the projecting rim T of the tank R.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Closures For Containers (AREA)
  • Telephone Function (AREA)
  • Nozzles (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

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

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 air intake (often referred to as "airless"), generally comprise a tank provided with a movable bottom, an exhaust duct 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 distributors encounter sealing problems, especially at the level of the determined volume chamber which contains the doses of product to be delivered. Another problem lies in the incompatibility of certain products with metals that prohibits 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).In addition, the distribution method is poorly controlled which is detrimental to the dosage of the product especially 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 assembly of the various component parts of the dispenser and in particular the elements involved in the sealing whose fineness and positioning are critical 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 tel que défini dans la revendication 1.This object is achieved according to the invention by means of a device as defined in claim 1.

Selon une caractéristique avantageuse, ledit pointeau est solidaire latéralement d'un jeu de lames élastiques dont les extrémités libres sont fixées sur la douille.According to an advantageous characteristic, said needle is secured laterally to a set of resilient blades whose free ends are fixed on 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 link is provided with a connecting hinge with said needle allowing its flap in said channel from a deployed molded 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 inner 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.According to a first variant, said rod is provided with a longitudinal flat allowing the passage of the product towards the evacuation channel.

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 second variant, said link consists of a triangular section cam hinged at the bottom, 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 for snapping the needle.

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 bushing 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 bushing comprises a peripheral skirt surrounding said spring and carrying in the lower part a flange capable of abutting on the upper part of the tank at the end of dosing.

Avantageusement, la douille de l'invention est réalisée d'une seule pièce avec le pointeau, la biellette et la tige par moulage à injection.Advantageously, the sleeve of the invention is made in one piece with the needle, the rod and the rod by injection molding.

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.It is further provided that said sleeve is associated with a push button cover and closing said discharge channel at the top.

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 pusher cover comprises an orifice aligned on the axis of said channel and whose inner periphery receives the support of the needle in sealed sealing position.

Grâce au pointeau rétractable, le dispositif de l'invention assure une auto-étanchéité du distributeur.With the retractable needle, the device of the invention ensures a self-sealing of the dispenser.

L'étanchéité est, en outre, renforcée et sécurisée par l'action des lames élastiques.The sealing is further strengthened 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 rod and the rod allow them to decompose the mode of distribution of the product which is thus done in two stages which allows a 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 disposed outside the product reservoir and inside the return spring being isolated by the wall of the sleeve thus preserving the product of any contact with the metal 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 made in one piece by injection molding and offers a high rate of return of the product.

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 »;
  • 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.
The invention will be better understood on reading the description which follows with reference to the drawings in which;
  • The figure 1 represents a general view in axial section of an embodiment of the device of the invention mounted on an "airless"distributor;
  • The Figures 2A and 2B represent sectional views of the embodiment of the figure 1 , respectively, at the outlet of the mold and after mounting the cover, before assembly on a distributor;
  • The figure 3 represents the embodiment of the preceding figures in view from below; The FIGS. 4A to 4E represent the device of the invention during the successive phases of the distribution of the product.

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.The device of the invention as shown in the figures is intended to equip a dispenser of liquid products and more particularly of cosmetic or pharmaceutical products, without air intake shown on the figure 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, in the lower part, with a movable bottom F and, in the upper part, with a shoulder E carrying a conduit C for exhausting the product.

Le distributeur est également pourvu d'un poussoir destiné à coopérer avec un piston (décrit ci-après) et un ressort de rappel S.The dispenser is also provided with a pusher for cooperating with a piston (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. 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.The device of the invention, as represented in particular on the Figures 2A and 2B , comprises a sealing and metering socket 1 supporting a sealing needle 2. As shown in FIG. Figure 2B , the needle 2 is intended to be housed in a discharge channel 12 formed here on the upper face of the sleeve 1 after flap and latch from the extended position of the mold outlet of the Figure 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.For this purpose, the channel 12 has, 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.The needle 2 is displaceable in translation in the channel 12 by manual support on the sleeve 1 and compression of the spring S, being connected by a connecting rod 3 to an axial guide rod 4 which is slidable in the conduit C Exhaust tank R when dispensing the product.

La biellette 3 d'entraînement est pourvue d'une charnière 32 de liaison avec le pointeau 2 permettant son rabatThe link 3 drive is provided with a hinge 32 for connection with the needle 2 for 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 charnière 32. La biellette 3 présente ainsi un axe de pivotement avec chacun des éléments adjacents.This rod consists of a cam 31 of triangular section hinged at the bottom, respectively on the rod 4 and the sleeve 1 and, in the upper part, on a beveled end 21 of the needle 2 via the hinge 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 by filling its interior volume except at the location of a longitudinal flat 40 (see figure 3 ) allowing the passage of the product through said conduit and towards the channel 12. The rod 4 is also provided with a lateral lug 41 cooperating with a retaining notch e formed on the inner 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 sleeve 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 duct 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 cap the conduit C sealingly 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.To perfect the tightness of the chamber 10 forming the cylinder of the piston, the upper edge of the conduit C will advantageously be provided with a peripheral lip 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).The needle 2 is secured laterally to a set of two elastic blades 21a, 21b whose free ends are fixed on the sleeve 1 by locking in slots 20a, 20b, after flap of the needle (see Figure 2B ). The blades 21a, 21b participate in the recall, guidance and maintenance of the needle in the closed position of the channel 12 (see Figures 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 bearing, in the lower part, a flange 13a which, in the final dosing phase, abuts against the shoulder E of the tank 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 protruding flange T carried by the tank R and ensuring the retention of the sleeve 1 in its housing and the maintenance of the spring S under tension in the closed position of the distributor (see figure 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 at the top.

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, latched (as in the variant shown here in the figures) or fitted on the sleeve 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, whose inner periphery receives the support of the end of the needle 2 in sealed sealing position of 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 tightness, the inner 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.The operation of the device will now be described with reference to FIGS. 4A to 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.In the rest position represented on the Figure 4A , the end of the needle 2 is supported forwards against the orifice 50 of the cover 5, both under the action of the resilient blades 21a, 21b and the spring S which is in slight tension, thereby sealing hermetic 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.Meanwhile, while the sleeve 11 is pushed upwardly, the rod 4 is pulled down in the conduit C by the retaining notch e and participates in the torque to which the rod 3 is subjected in a clockwise direction (see arrows ), thus reinforcing the support of the 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 represented on the Figure 4B corresponds to the beginning of the distribution phase of the product, the cover / pusher 5 starting its descent in response to the 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 inevitable friction accompanying its sliding interlock in the conduit 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 translation towards the rear of the needle 2 and its withdrawal 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 duct C causing the product to be delivered via 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 rod 3 abuts against the beveled end 21 of the needle 2, as shown in FIG. Figure 4B .

L'ouverture du distributeur est alors à son maximum.The opening of the dispenser is then at its 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).In the position of the figure 4C , the tightening of the rod 4 in the conduit C has been overcome by continuing the support efforts on the pusher 5. The rod 4 initiates a sliding down in the conduit C, while the rod remains in abutment against the needle 2, thus moving towards the completion of the dosage which is finally obtained when the flange 13a of the skirt 13 of the sleeve reaches the shoulder E of the reservoir R ( figure 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.The figure 4E corresponds to the return phase to the rest position of the Figure 4A . The relaxation of the manual support causes the relaxation of the spring S. This trigger first causes the rise of the sleeve 11 and the pusher 5 until the needle 2 abuts against the orifice 50, the rod 4 remaining immobilized in the duct 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 rod 3 pivots clockwise and pushes the needle 2 against the orifice 50. This movement is accompanied by the suction of the product into the tank R and the progressive 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 e of the conduit C, the needle being held forward by the action of resilient 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 maintained under slight tension by the early abutment of the flange 13a against the projecting rim T of the tank R.

Claims (12)

  1. A device for the airless dispensing of liquid products from a container (R) provided with a mobile bottom (F), a delivery pipe (C) and a pusher cooperating with, on the one hand, a sealing and dosage bushing (1) supporting a piston, and on the other hand a return spring (S), characterized in that said bushing (1) supports a closing needle (2) which can be moved in translation in a discharge channel (12) arranged on said bushing while being connected by a drive rod (3) to an axial guiding rod (4) liable to slide and to be frictionally stopped in the delivery pipe (C) of the container communicating with said channel, by the resting thereof on said bushing (1) and compression of said spring (S).
  2. A device according to claim 1, characterized in that said needle (2) is laterally integral with a set of spring plates (21a, 21b), the free ends of which are fixed on the bushing (1).
  3. A device according to one of the preceding claims, characterized in that said drive rod (3) is provided with a hinge (32) for the connection with said needle (2) and allowing the folding thereof in said channel (12) from a moulding extended position.
  4. A. device according to one of the preceding claims, characterized in that said rod (4) is provided with a side pin (41) cooperating with a retaining notch (e) provided in the inner wall of the delivery pipe (C).
  5. A device according to one of the preceding claims, characterized in that said rod (4) is provided with a longitudinal flat lug (40) allowing the passage of the product to the discharge channel (12).
  6. A device according to one of the preceding claims, characterized in that said drive rod (3) includes an articulated cam having a triangular section, in the lower part thereof, on the rod (4) and on the bushing (1), respectively, and in the upper part thereof, on a bevelled end (21) of the needle (2).
  7. A device according to one of the preceding claims, characterized in that said channel (12) is provided with deformable upper lips (12a) making it possible to snap the needle (2) in position.
  8. A device according to one of the preceding claims, characterized in that said bushing (1) includes a central sleeve (11) forming a piston intended to cover the delivery pipe (C) by delimiting a dosage chamber (10) around said rod and above said pipe.
  9. A device according to one of the preceding claims, characterized in that said bushing (1) includes a peripheral skirt (13) surrounding said spring (S) and bearing, in the lower part thereof, a flange (13a) liable to abut against the upper part of the container (R) upon completion of the dosage.
  10. A device according to one of the preceding claims, characterized in that the bushing (1) is made in one piece with the needle (2), the drive rod (3) and the rod (4) by injection moulding.
  11. A device according to one of the preceding claims, characterized in that it further includes a cover (5) forming a push-button and closing said discharge channel (12) in the upper part thereof.
  12. A device according to claim 11, characterized in that said cover (5) includes a hole (50) aligned with the axis of said channel (12) and on the inner edge of which the needle (2) rests in sealing closed position.
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 EP1751020A1 (en) 2007-02-14
EP1751020B1 true EP1751020B1 (en) 2008-07-23

Family

ID=34946313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05763724A Active EP1751020B1 (en) 2004-05-19 2005-04-28 Non-vented liquid product dispenser

Country Status (15)

Country Link
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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Publication number Priority date Publication date Assignee Title
FR2893314B1 (en) * 2005-11-16 2007-12-21 Rexam Dispensing Smt Soc Par A ACTUATING AND DISPENSING HEAD FOR PUMP
DE102006012302A1 (en) * 2006-03-15 2007-09-27 Seaquist Perfect Dispensing Gmbh dispenser
DE102006023663B4 (en) * 2006-05-16 2020-07-02 Aptar Dortmund Gmbh Dispenser
ES2603415T3 (en) * 2006-05-16 2017-02-27 Aptar Dortmund Gmbh Vending Device
DE102006027042A1 (en) * 2006-06-08 2007-12-13 Seaquist Perfect Dispensing Gmbh dispenser
EP2099572B1 (en) * 2006-09-07 2014-07-23 Aptar Dortmund GmbH Dispensing device
DE102007049614B4 (en) 2007-03-15 2015-03-05 Aptar Dortmund Gmbh dispenser
DE102007051980A1 (en) * 2007-08-29 2009-03-05 Seaquist Perfect Dispensing Gmbh dispenser
DE102007051982A1 (en) * 2007-08-29 2009-03-05 Seaquist Perfect Dispensing Gmbh dispenser
ES2436002T3 (en) 2008-06-20 2013-12-26 Aptar Dortmund Gmbh Distribution device
US8286839B2 (en) * 2008-08-12 2012-10-16 Aptar Dortmund Gmbh Dispensing device
DE102008038654B4 (en) 2008-08-12 2019-09-19 Aptar Dortmund Gmbh Dispensing head with swiveling valve element
CN102186371B (en) * 2008-10-20 2014-04-16 卞在三 Airless type cosmetic container
DE102009030627B4 (en) 2009-06-25 2020-03-12 Aptar Dortmund Gmbh Valve and dispenser
DE202010009751U1 (en) * 2010-07-01 2011-09-02 Werner Holzmann Dispensers
US11440726B1 (en) * 2021-03-26 2022-09-13 Silgan Dispensing Systems Corporation Aerosol sprayers and methods of using the same
US11820584B2 (en) 2022-02-26 2023-11-21 Silgan Dispensing Systems Corporation Aerosol sprayers and methods of using the same

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US5085353A (en) * 1990-01-12 1992-02-04 Takasago Perfumery Co., Ltd. Actuator for liquid ejection
US5205443A (en) * 1990-01-12 1993-04-27 Takasago Perfumery Co., Ltd. Actuator for liquid ejection
US5105988A (en) * 1990-06-15 1992-04-21 Calmar Inc. Protector cap and wiper for dispenser discharge orifice
DE4210225A1 (en) * 1992-03-28 1993-09-30 Katz Otto Dispenser for controlled amounts of fluids and paste-type materials
FR2692232B1 (en) * 1992-06-12 1994-08-26 Reboul Smt Fluid substance dispenser-dosing jar.
AU2000277685A1 (en) * 2000-10-11 2002-04-22 Qiang Li Cap
FR2838070B1 (en) * 2002-04-04 2005-02-11 Valois Sa DISTRIBUTION HEAD TO BE MOUNTED ON A MOBILE HOLLOW ACTUATING ROD

Also Published As

Publication number Publication date
CA2565273A1 (en) 2005-12-29
RU2006140471A (en) 2008-06-27
MXPA06013400A (en) 2007-03-01
US20070084882A1 (en) 2007-04-19
BRPI0510209B1 (en) 2018-03-13
ES2311231T3 (en) 2009-02-01
BRPI0510209A (en) 2007-10-16
AU2005254280A1 (en) 2005-12-29
ATE402086T1 (en) 2008-08-15
KR20070012717A (en) 2007-01-26
JP2007537942A (en) 2007-12-27
FR2870525B1 (en) 2006-06-23
CN1953909A (en) 2007-04-25
US7780045B2 (en) 2010-08-24
FR2870525A1 (en) 2005-11-25
CN100509578C (en) 2009-07-08
WO2005123529A1 (en) 2005-12-29
EP1751020A1 (en) 2007-02-14
DE602005008423D1 (en) 2008-09-04

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