EP1313568B1 - Integrated pump dispenser - Google Patents

Integrated pump dispenser Download PDF

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Publication number
EP1313568B1
EP1313568B1 EP20010965345 EP01965345A EP1313568B1 EP 1313568 B1 EP1313568 B1 EP 1313568B1 EP 20010965345 EP20010965345 EP 20010965345 EP 01965345 A EP01965345 A EP 01965345A EP 1313568 B1 EP1313568 B1 EP 1313568B1
Authority
EP
European Patent Office
Prior art keywords
pump
reservoir
support piece
wall
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20010965345
Other languages
German (de)
French (fr)
Other versions
EP1313568A1 (en
Inventor
Firmin Garcia
Aline Abergel
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.)
Aptar France SAS
Original Assignee
Valois SAS
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Filing date
Publication date
Application filed by Valois SAS filed Critical Valois SAS
Publication of EP1313568A1 publication Critical patent/EP1313568A1/en
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Publication of EP1313568B1 publication Critical patent/EP1313568B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • 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
    • B05B11/1064—Pump inlet and outlet valve elements integrally formed of a deformable material

Definitions

  • the present invention relates to a fluid dispenser comprising a reservoir intended to contain fluid and defining a wall which is pressed to decrease the volume of the tank.
  • the dispenser includes a dispensing orifice through which the fluid is dispensed each time the tank wall is actuated.
  • distributors of this type already exist in the prior art. They are especially used in pharmacy, cosmetics and perfumery. We find some also in the form of a free sample for advertising purposes containing small doses of fluid.
  • the distributor then takes the form of a simple packaging formed by a flexible reservoir with a dispensing orifice. The user grasps the packaging between the thumb and forefinger and presses the flexible walls of the reservoir to let fluid flow out through the orifice of distribution.
  • this type of distributor often does not have good quality.
  • dispensing in particular spraying, in the case of liquid product like perfume. This is explained by the fact that the spraying is directly dependent on the force with which the user presses on the walls of the tank flexible. If the user presses slowly, the spraying will not be good and the fluid will tend to drip and not be sprayed.
  • the distributor described in document FR-2 778 639 recommends giving the actuating wall a predetermined threshold of resistance to deformation that must be overcome to deform it. Wall actuation does not deform immediately upon user pressure. The user will have to press hard enough to overcome the resistance threshold. The depression of the actuating wall is then rapid and brutal, which ensures immediate pressurization of the product stored in the tank of the distributor. The product is then distributed with good spray quality.
  • the object of the present invention is to define another distributor of this type, i.e. with a tank with a deformable wall, where the product stored in the tank is distributed in a perfectly proportioned manner with good quality of spray.
  • Document US Pat. No. 4,795,063 describes a dispenser comprising a reservoir flexible formed of two sheets welded together on their periphery.
  • the reservoir contains a pump consisting of a base forming a piston and a body in which the piston of the base slides.
  • the base also forms an inlet valve while the body forms an outlet valve.
  • the body also forms a welding collar on which an opening formed by one of the sheets is welded.
  • the base and the body are moved away from each other by a spring. By bringing the base towards the body against the force exerted by the spring, the volume of the pump chamber decreases and the product fluid is discharged through the outlet valve which constitutes the dispensing orifice.
  • the base of the base can be likened to a pusher, and this base is located below of a deformable wall of the reservoir. Therefore, the base of the base can be moved by pressing on the deformable wall of the tank.
  • the repressed fluid product by the pump leaves the distributor at the outlet valve which is located in the axis of movement of the base. Care must therefore be taken when actuating this distributor, not to obstruct the outlet valve with a finger, since the ideal position of the finger serving as a reaction to the thrust exerted on the base is that of the outlet valve. Therefore, the fingers should be positioned next the outlet valve, so that the dispensed product can come into contact with the fingers, which is not the goal. It is therefore not at all easy to use such a distributor. This is due to the fact that the dispensing orifice is formed by the valve outlet valve and that this outlet valve is located at, or opposite to, the deformable wall of the tank.
  • the object of the present invention is to remedy the drawbacks of this art prior.
  • the present invention provides a fluid dispenser comprising a reservoir intended to contain fluid product and defining a actuating wall, and a dispensing orifice through which the fluid product is distributed on each actuation of the tank wall, the tank containing in addition to a pump defining a pump chamber provided with an inlet valve to communicate with the tank and an outlet valve, the pump comprising a pusher which is pressed to decrease the volume of the pump chamber, said pusher being disposed below the actuating wall of the reservoir, a discharge pipe connecting the outlet valve of the pump to the orifice of distribution, characterized in that the pump plunger is formed by a wall deformable from the pump chamber.
  • a principle of the present invention lies in the fact of fully integrating a pump inside a conventional container wall packaging deformable.
  • the integration of a pump inside such packaging has still other advantages: for example, the actuating wall of the tank does not need to have a shape memory, since its return to the state initial is ensured by the return force of the pump which tends to bring back the pusher in the rest position.
  • the actuating wall of the reservoir can thus have a constant shape in rest position whatever the filling state of the tank.
  • the pump inside the tank ensures a certain resistance to this so that the user has an easier time entering it.
  • the pump is mounted on a piece of support defining the dispensing orifice.
  • the conduit of backflow is formed by the support piece.
  • the reservoir is fixed to the support part.
  • the reservoir is formed from two sheets deformable welded together on their peripheries. This is a conception quite classic for a distributor serving as a free advertising sample.
  • deformable sheet is meant both film complexes and thermoformed shells or a combination thereof.
  • the support part comprises an attachment appendage on which the tank sheets are fixed, preferably by welding. So, the fixing appendage closes the tank.
  • the support piece forms a housing in which component parts of the pump are inserted.
  • the support piece defines a valve seat for the valve. pump inlet.
  • the support piece is therefore part of the pump, since it cannot function without it.
  • the fluid dispenser according to the invention comprises a reservoir 1 containing fluid.
  • This reservoir 1 is formed with an actuating wall deformable 14 which can be pressed to deform the tank and thus reduce its volume.
  • the reservoir may be in the form of a flexible pocket produced from one or more sheets of complex films.
  • the tank can be made from a sheet of complex film folded back on itself and welded on its periphery.
  • the tank can also be made from of two sheets of complex films welded together on their peripheries.
  • the tank can be formed from a shell of advantageously thermoformed plastic material on which a film has been welded sealing to thus form the reservoir 1.
  • the tank in the form of a tube flexible type of toothpaste which is welded at one end and which is provided with its other end of a dispensing orifice.
  • the material of the tank as well as its shape therefore matters little, provided that one of these walls is deformable by so as to reduce the internal volume of the tank.
  • the tank is in the form of a welded deformable sheet or shell on its periphery to another sheet or another deformable shell.
  • Wall actuation 14 is carried out at the level of the sheet or shell 11.
  • the two sheets or shells are welded together over their entire peripheries 10 except on the side where a dispensing orifice 20 is formed.
  • the dispensing orifice 20 is formed by a support piece 2 which extends from the dispensing orifice 20 towards the inside of the tank 1.
  • This support piece 2 forms an appendage of attachment 23, which is here a welding appendage on which the sheets or shells 11 or 12 are welded.
  • this appendix of welding 23 is in the form of a diamond or an eye, which facilitates the welding of sheets or shells 11 and 12 on the appendix, as well as together at level of the commissures of the eye formed by the appendix 23.
  • the appendix of welding 23 closes the reservoir 1 by forming the dispensing orifice 20 as is can see it in figure 3.
  • the dispensing orifice is formed at one end of a nozzle which extends towards the inside of the tank beyond the appendage of welding 23 and which internally defines a discharge conduit 21.
  • the support part 2 supports a pump 3. More specifically, the support piece 2 forms a housing 24 in which the the pump 3 are mounted, for example, by force. On the other hand, the support piece 2 forms an inlet channel 22 which is separated from the discharge conduit 21 by a stud 25.
  • the support piece certainly supports part of the pump, but does also an integral part of the pump by defining the inlet channel 22 and the discharge pipe 21.
  • the pump 3 defines a pump chamber 31 provided with an inlet valve 32 which communicates the pump chamber 31 with the reservoir 1 through the channel inlet 22.
  • the pump chamber 31 is also provided with an outlet valve. 33 which communicates the chamber 31 with the dispensing orifice 20 through the discharge channel 21.
  • the inlet valve 32 opens when a vacuum is created in the pump chamber 31, and closes when the product inside the chamber 31 is pressurized.
  • the outlet valve 33 opens when the product in the pump chamber is pressurized and closes when a depression is created inside the pump chamber.
  • the pump is also provided with a pusher 34 which makes it possible to make decrease the volume of the pump chamber 31 and thus put the fluid product content inside under pressure.
  • the plunger 34 of the pump 3 is arranged below the actuating wall 14 of the reservoir 1. Consequently, when the pressure is pressed actuating wall 14, the push-button 34 is also pressed, which has the effect activate pump 3.
  • the pump is completely invisible since completely contained inside the tank 1. A metered amount fluid product is thus distributed with a good quality of distribution.
  • the pump 3 secured to its support piece 2 ensures the dispenser is held and also gives the actuating wall 14 the restoring force necessary to return the wall 14 to its initial position. Indeed, the actuating wall 14 takes advantage of the return force of the pusher 34.
  • the pump 3 is a deformable diaphragm pump.
  • the pusher 34 is formed by a wall deformable of the pump chamber 31.
  • the deformable wall 34 is formed by a dome-shaped part 38, the upper part of which is formed by the wall 34 and whose substantially cylindrical peripheral part 36 is engaged inside the housing 24 formed by the support piece 2.
  • the pump includes a plate 37 pierced with two through holes 372 and 373 which are located in line with valves 32 and 33. Part of the plate 37 serves as a valve seat for the outlet valve 33.
  • the pump 3 comprises a membrane 35 which forms the two movable valves 32 and 33.
  • This membrane 35 can appear in the form of a disc from which two small have been cut discs which however remain attached to the rest of the membrane. These two little ones discs form the two valves 32 and 33 capable of pivoting along the segment which connects them to the rest of the membrane.
  • the membrane 35 is supported at the bottom of the housing 24 which forms a flange 27 which defines the valve seat for the valve input 25.
  • the membrane is supported on the pad 25.
  • the support part constitutes a pump member, or more precisely, the part of the support piece forming the housing 24 is part of the pump. The fact that the support piece further defines the appendage of fixing and / or outlet is only an advantageous embodiment.
  • the pump formed by its dome 38, its plate 37, its membrane and its housing 24, could be fixed to a support piece which defines the outlet orifice and / or the attachment appendix.
  • the fact of housing in one piece with the support piece is only an advantageous embodiment.
  • the pump 3 represented in FIG. 2 is particularly simple in design, since it comprises only four constituent organs, know the dome 38, the plate 37 and the membrane 35 and the support piece, which are organs very easy to manufacture; this results in a particularly good pump market.
  • the support piece 2, which can for example be made in one piece molded plastic, is very simple to manufacture and therefore inexpensive. he It is therefore possible to manufacture a dispenser serving as a free sample.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

The invention concerns a fluid product dispenser comprising: a reservoir (1) designed to contain the fluid product and defining an actuating wall (14), and a dispensing orifice (20) through which the fluid product is dispensed each time the wall (14) of the reservoir (1) is actuated, the reservoir (1) further containing a pump (3) defining a pump chamber (31) provided with an outlet valve (33), the pump (3) comprising an actuator (34) which is pressed upon to decrease the volume of the pump chamber, said actuator (34) being arranged beneath the actuating wall (14) of the reservoir. The invention is characterised in that a pressure line (21) connects the outlet valve (33) of the pump (3) to the dispensing orifice (20).

Description

La présente invention concerne un distributeur de produit fluide comprenant un réservoir destiné à contenir du produit fluide et définissant une paroi d'actionnement sur laquelle on appuie pour diminuer le volume du réservoir. D'autre part, le distributeur comprend un orifice de distribution par lequel le produit fluide est distribué à chaque actionnement de la paroi du réservoir.The present invention relates to a fluid dispenser comprising a reservoir intended to contain fluid and defining a wall which is pressed to decrease the volume of the tank. On the other hand, the dispenser includes a dispensing orifice through which the fluid is dispensed each time the tank wall is actuated.

Il existe déjà dans l'art antérieur de nombreux distributeurs de ce type. Ils sont notamment utilisés en pharmacie, en cosmétique et en parfumerie. On en trouve également sous la forme d'échantillon gratuit à titre publicitaire contenant de petites doses de produit fluide. Le distributeur se présente alors sous la forme d'un simple conditionnement formé d'un réservoir souple avec un orifice de distribution. L'utilisateur saisit le conditionnement entre le pouce et l'index et appuie sur les parois souples du réservoir pour en faire sortir du produit fluide à travers l'orifice de distribution.Numerous distributors of this type already exist in the prior art. They are especially used in pharmacy, cosmetics and perfumery. We find some also in the form of a free sample for advertising purposes containing small doses of fluid. The distributor then takes the form of a simple packaging formed by a flexible reservoir with a dispensing orifice. The user grasps the packaging between the thumb and forefinger and presses the flexible walls of the reservoir to let fluid flow out through the orifice of distribution.

Cependant, ce type de distributeur ne présente souvent pas de bonne qualité de distribution, en particulier de pulvérisation, dans le cas de produit liquide comme du parfum. Ceci s'explique par le fait que la pulvérisation est directement dépendante de la force avec laquelle l'utilisateur appuie sur les parois du réservoir souple. Si l'utilisateur appuie lentement, la pulvérisation ne sera pas bonne et le produit fluide aura tendance à goutter et non à être pulvérisé. Pour palier ce problème de qualité de la distribution, le distributeur décrit dans le document FR-2 778 639 préconise de conférer à la paroi d'actionnement un seuil prédéterminé de résistance à la déformation qu'il faut surmonter pour la déformer. La paroi d'actionnement ne se déforme pas tout de suite à la pression de l'utilisateur. L'utilisateur devra appuyer suffisamment fort pour surmonter le seuil de résistance. L'enfoncement de la paroi d'actionnement est alors rapide et brutal, ce qui assure une mise sous pression immédiate du produit stocké dans le réservoir du distributeur. Le produit est alors distribué avec une bonne qualité de pulvérisation.However, this type of distributor often does not have good quality. dispensing, in particular spraying, in the case of liquid product like perfume. This is explained by the fact that the spraying is directly dependent on the force with which the user presses on the walls of the tank flexible. If the user presses slowly, the spraying will not be good and the fluid will tend to drip and not be sprayed. To make up for this distribution quality problem, the distributor described in document FR-2 778 639 recommends giving the actuating wall a predetermined threshold of resistance to deformation that must be overcome to deform it. Wall actuation does not deform immediately upon user pressure. The user will have to press hard enough to overcome the resistance threshold. The depression of the actuating wall is then rapid and brutal, which ensures immediate pressurization of the product stored in the tank of the distributor. The product is then distributed with good spray quality.

La présente invention a pour objet de définir un autre distributeur de ce type, c'est-à-dire avec un réservoir à paroi déformable, où le produit stocké dans le réservoir est distribué de manière parfaitement dosée avec une bonne qualité de pulvérisation.The object of the present invention is to define another distributor of this type, i.e. with a tank with a deformable wall, where the product stored in the tank is distributed in a perfectly proportioned manner with good quality of spray.

Le document US-4 795 063 décrit un distributeur comprenant un réservoir souple formé de deux feuilles soudées ensemble sur leur périphérie. Le réservoir contient une pompe constituée d'une embase formant un piston et d'un corps dans lequel le piston de l'embase coulisse. L'embase forme également un clapet d'entrée alors que le corps forme un clapet de sortie. Le corps forme également une collerette de soudage sur laquelle une ouverture formée par une des feuilles est soudée. L'embase et le corps sont sollicités en éloignement l'un de l'autre par un ressort de rappel. En ramenant l'embase vers le corps à l'encontre de la force exercée par le ressort, le volume de la chambre de pompe diminue et du produit fluide est refoulé à travers le clapet de sortie qui constitue l'orifice de distribution. Le socle de l'embase peut être assimilé à un poussoir, et ce socle est situé en dessous d'une paroi déformable du réservoir. Par conséquent, le socle de l'embase peut être déplacé en appuyant sur la paroi déformable du réservoir. Le produit fluide refoulé par la pompe sort du distributeur au niveau du clapet de sortie qui est situé dans l'axe de déplacement du socle. Il faut donc faire attention, lors de l'actionnement de ce distributeur, de ne pas obstruer le clapet de sortie avec un doigt, étant donné que la position idéale du doigt servant de réaction à la poussée exercée sur le socle est celle du clapet de sortie. Par conséquent, les doigts doivent être positionnés à côté du clapet de sortie, de sorte que le produit distribué peut venir en contact des doigts, ce qui n'est le but recherché. Il n'est donc pas aisé du tout de se servir d'un tel distributeur. Ceci provient du fait que l'orifice de distribution est formé par le clapet de sortie et que ce clapet de sortie est situé au niveau de, ou de manière opposée à, la paroi déformable du réservoir.Document US Pat. No. 4,795,063 describes a dispenser comprising a reservoir flexible formed of two sheets welded together on their periphery. The reservoir contains a pump consisting of a base forming a piston and a body in which the piston of the base slides. The base also forms an inlet valve while the body forms an outlet valve. The body also forms a welding collar on which an opening formed by one of the sheets is welded. The base and the body are moved away from each other by a spring. By bringing the base towards the body against the force exerted by the spring, the volume of the pump chamber decreases and the product fluid is discharged through the outlet valve which constitutes the dispensing orifice. The base of the base can be likened to a pusher, and this base is located below of a deformable wall of the reservoir. Therefore, the base of the base can be moved by pressing on the deformable wall of the tank. The repressed fluid product by the pump leaves the distributor at the outlet valve which is located in the axis of movement of the base. Care must therefore be taken when actuating this distributor, not to obstruct the outlet valve with a finger, since the ideal position of the finger serving as a reaction to the thrust exerted on the base is that of the outlet valve. Therefore, the fingers should be positioned next the outlet valve, so that the dispensed product can come into contact with the fingers, which is not the goal. It is therefore not at all easy to use such a distributor. This is due to the fact that the dispensing orifice is formed by the valve outlet valve and that this outlet valve is located at, or opposite to, the deformable wall of the tank.

La présente invention a pour but de remédier aux inconvénients de cet art antérieur.The object of the present invention is to remedy the drawbacks of this art prior.

Pour se faire, la présente invention propose un distributeur de produit fluide comprenant un réservoir destiné à contenir du produit fluide et définissant une paroi d'actionnement, et un orifice de distribution par lequel le produit fluide est distribué à chaque actionnement de la paroi du réservoir, le réservoir contenant en outre une pompe définissant une chambre de pompe munie d'un clapet d'entrée pour communiquer avec le réservoir et d'un clapet de sortie, la pompe comprenant un poussoir sur lequel on appuie pour diminuer le volume de la chambre de pompe, ledit poussoir étant disposé en dessous de la paroi d'actionnement du réservoir, un conduit de refoulement reliant le clapet de sortie de la pompe à l'orifice de distribution, caractérisé en ce que le poussoir de la pompe est formé par une paroi déformable de la chambre de pompe. Il peut s'agir d'une pompe dite à membrane dont la variation du volume de la chambre de pompe est assurée par la déformation élastique d'une membrane. Lorsqu'on appuie sur la membrane, celle-ci se déforme, et dès que la pression est relâchée, celle-ci revient à sa position d'origine. La force de rappel de la pompe est ainsi directement assurée par la membrane. D'autre part, en déportant l'orifice de distribution par rapport à la pompe au moyen du conduit de refoulement, la pompe devient parfaitement invisible puisque entièrement contenue à l'intérieur du réservoir. L'utilisateur croit avoir à faire à un distributeur classique de ce type (dépourvu de pompe). L'utilisateur percevra une certaine résistance à la déformation conférée par la paroi déformable de la pompe. En continuant à appuyer sur la paroi d'actionnement, une dose de produit fluide est distribuée: son dosage et sa qualité de pulvérisation sont assurés par la pompe. Un principe de la présente invention réside dans le fait d'intégrer entièrement une pompe à l'intérieur d'un conditionnement classique à paroi de réservoir déformable. L'intégration d'une pompe à l'intérieur d'un tel conditionnement présente encore d'autres avantages : par exemple, la paroi d'actionnement du réservoir n'a pas besoin d'avoir une mémoire de forme, puisque son retour à l'état initial est assuré par la force de rappel de la pompe qui tend à ramener le poussoir en position de repos. La paroi d'actionnement du réservoir peut ainsi présenter une forme constante en position de repos quel que soit l'état de remplissage du réservoir. En outre, la pompe à l'intérieur du réservoir assure une certaine tenue à celui-ci de sorte que l'utilisateur a plus de facilité à le saisir.To do this, the present invention provides a fluid dispenser comprising a reservoir intended to contain fluid product and defining a actuating wall, and a dispensing orifice through which the fluid product is distributed on each actuation of the tank wall, the tank containing in addition to a pump defining a pump chamber provided with an inlet valve to communicate with the tank and an outlet valve, the pump comprising a pusher which is pressed to decrease the volume of the pump chamber, said pusher being disposed below the actuating wall of the reservoir, a discharge pipe connecting the outlet valve of the pump to the orifice of distribution, characterized in that the pump plunger is formed by a wall deformable from the pump chamber. It can be a so-called diaphragm pump whose variation in the volume of the pump chamber is ensured by deformation elastic of a membrane. When you press the membrane, it deforms, and as soon as the pressure is released, it returns to its original position. Strength pump return is thus directly ensured by the membrane. On the other hand, by moving the dispensing orifice relative to the pump by means of the conduit the pump becomes completely invisible since entirely contained inside the tank. User thinks they are dealing with a distributor classic of this type (without pump). The user will perceive some resistance to deformation imparted by the deformable wall of the pump. In continuing to press the actuating wall, a dose of fluid is distributed: its dosage and quality of spraying are provided by the pump. A principle of the present invention lies in the fact of fully integrating a pump inside a conventional container wall packaging deformable. The integration of a pump inside such packaging has still other advantages: for example, the actuating wall of the tank does not need to have a shape memory, since its return to the state initial is ensured by the return force of the pump which tends to bring back the pusher in the rest position. The actuating wall of the reservoir can thus have a constant shape in rest position whatever the filling state of the tank. In addition, the pump inside the tank ensures a certain resistance to this so that the user has an easier time entering it.

Selon une forme de réalisation pratique, la pompe est montée sur une pièce de support définissant l'orifice de distribution. Avantageusement, le conduit de refoulement est formé par la pièce de support.According to a practical embodiment, the pump is mounted on a piece of support defining the dispensing orifice. Advantageously, the conduit of backflow is formed by the support piece.

Selon une autre caractéristique, le réservoir est fixé à la pièce de support. According to another characteristic, the reservoir is fixed to the support part.

Selon une forme de réalisation, le réservoir est formé à partir de deux feuilles déformables soudées ensemble sur leurs périphéries. Il s'agit là d'une conception tout à fait classique pour un distributeur servant d'échantillon gratuit publicitaire. Par feuille déformable, il faut aussi bien entendre des complexes de films que des coques thermoformées ou une combinaison de ceux-ci.According to one embodiment, the reservoir is formed from two sheets deformable welded together on their peripheries. This is a conception quite classic for a distributor serving as a free advertising sample. By deformable sheet is meant both film complexes and thermoformed shells or a combination thereof.

Avantageusement, la pièce de support comprend un appendice de fixation sur lequel les feuilles du réservoir sont fixées, avantageusement par soudage. Ainsi, l'appendice de fixation obture le réservoir.Advantageously, the support part comprises an attachment appendage on which the tank sheets are fixed, preferably by welding. So, the fixing appendage closes the tank.

Selon une forme de réalisation pratique, la pièce de support forme un logement dans lequel des organes constitutifs de la pompe sont insérés. Avantageusement, la pièce de support définit un siège de clapet pour le clapet d'entrée de la pompe. La pièce de support fait donc partie de la pompe, puisqu'elle ne peut pas fonctionner sans elle.According to a practical embodiment, the support piece forms a housing in which component parts of the pump are inserted. Advantageously, the support piece defines a valve seat for the valve. pump inlet. The support piece is therefore part of the pump, since it cannot function without it.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemple non limitatif un mode de réalisation de l'invention.The invention will now be described more fully with reference to the drawings. joints giving by way of nonlimiting example an embodiment of the invention.

Sur les figures :

  • La figure 1 est une vue de dessus partiellement découpée d'un distributeur selon l'invention,
  • La figure 2 est une vue en coupe transversale verticale à travers la partie avant du distributeur de la figure 1 intégrant la pompe,
  • La figure 3 est une vue de devant du distributeur des figures 1 et 2.
    • In the figures:
  • FIG. 1 is a partially cut away top view of a dispenser according to the invention,
  • FIG. 2 is a view in vertical transverse section through the front part of the distributor of FIG. 1 integrating the pump,
  • Figure 3 is a front view of the dispenser of Figures 1 and 2.

    • Le distributeur de produit fluide selon l'invention comprend un réservoir 1 contenant du produit fluide. Ce réservoir 1 est formé avec une paroi d'actionnement déformable 14 sur laquelle on peut appuyer pour déformer le réservoir et ainsi en réduire son volume. Le réservoir peut se présenter sous la forme d'une poche souple réalisée à partir d'une ou de plusieurs feuilles de films complexes. Par exemple, le réservoir peut être réalisé à partir d'une feuille de film complexe repliée sur elle-même et soudée sur sa périphérie. Le réservoir peut également être réalisé à partir de deux feuilles de films complexes soudées ensemble sur leurs périphéries. Dans une autre forme de réalisation, le réservoir peut être formé à partir d'une coque de matière plastique avantageusement thermoformée sur laquelle on a soudé un film d'operculage pour former ainsi le réservoir 1. On peut encore imaginer d'autre forme de réalisation à partir de deux coques thermoformées soudées ensemble sur leurs périphéries. On peut également imaginer le réservoir sous la forme d'un tube souple du type pâte à dentifrice qui est soudé à une extrémité et qui est pourvu à son autre extrémité d'un orifice de distribution. La matière constitutive du réservoir ainsi que sa forme importe donc peu, pourvu qu'une de ces parois est déformable de manière à en réduire le volume interne du réservoir.The fluid dispenser according to the invention comprises a reservoir 1 containing fluid. This reservoir 1 is formed with an actuating wall deformable 14 which can be pressed to deform the tank and thus reduce its volume. The reservoir may be in the form of a flexible pocket produced from one or more sheets of complex films. For example, the tank can be made from a sheet of complex film folded back on itself and welded on its periphery. The tank can also be made from of two sheets of complex films welded together on their peripheries. In another embodiment, the tank can be formed from a shell of advantageously thermoformed plastic material on which a film has been welded sealing to thus form the reservoir 1. One can still imagine other embodiment from two thermoformed shells welded together on their outskirts. We can also imagine the tank in the form of a tube flexible type of toothpaste which is welded at one end and which is provided with its other end of a dispensing orifice. The material of the tank as well as its shape therefore matters little, provided that one of these walls is deformable by so as to reduce the internal volume of the tank.

    Dans la forme de réalisation choisie pour illustrer la présente invention, le réservoir se présente sous la forme d'une feuille ou d'une coque déformable soudée sur sa périphérie à une autre feuille ou une autre coque déformable. La paroi d'actionnement 14 est réalisée au niveau de la feuille ou coque 11. Les deux feuilles ou coques sont soudées ensemble sur la totalité de leurs périphéries 10 à l'exception du côté où est formé un orifice de distribution 20. L'orifice de distribution 20 est formé par une pièce de support 2 qui s'étend à partir de l'orifice de distribution 20 vers l'intérieur du réservoir 1. Cette pièce de support 2 forme un appendice de fixation 23, qui est ici un appendice de soudage sur lequel les feuilles ou coques 11 ou 12 sont soudées. Comme on peut le voir sur la figure 3, cet appendice de soudage 23 se présente sous la forme d'un losange ou d'un oeil, ce qui facilite le soudage des feuilles ou coques 11 et 12 sur l'appendice, ainsi qu'ensemble au niveau des commissures de l'oeil formé par l'appendice 23. Ainsi, l'appendice de soudage 23 obture le réservoir 1 en formant l'orifice de distribution 20 comme on peut le voir sur la figure 3.In the embodiment chosen to illustrate the present invention, the tank is in the form of a welded deformable sheet or shell on its periphery to another sheet or another deformable shell. Wall actuation 14 is carried out at the level of the sheet or shell 11. The two sheets or shells are welded together over their entire peripheries 10 except on the side where a dispensing orifice 20 is formed. The dispensing orifice 20 is formed by a support piece 2 which extends from the dispensing orifice 20 towards the inside of the tank 1. This support piece 2 forms an appendage of attachment 23, which is here a welding appendage on which the sheets or shells 11 or 12 are welded. As can be seen in Figure 3, this appendix of welding 23 is in the form of a diamond or an eye, which facilitates the welding of sheets or shells 11 and 12 on the appendix, as well as together at level of the commissures of the eye formed by the appendix 23. Thus, the appendix of welding 23 closes the reservoir 1 by forming the dispensing orifice 20 as is can see it in figure 3.

    Avantageusement, l'orifice de distribution est formé à une extrémité d'un embout qui se prolonge vers l'intérieur du réservoir au-delà de l'appendice de soudage 23 et qui définit intérieurement un conduit de refoulement 21.Advantageously, the dispensing orifice is formed at one end of a nozzle which extends towards the inside of the tank beyond the appendage of welding 23 and which internally defines a discharge conduit 21.

    Selon l'invention, la pièce de support 2 supporte une pompe 3. Plus précisément, la pièce de support 2 forme un logement 24 dans lequel des organes de la pompe 3 sont montés, par exemple, en force. D'autre part, la pièce de support 2 forme un canal d'entrée 22 qui est séparé du conduit de refoulement 21 par un plot d'appui 25. La pièce de support supporte certes une partie de la pompe, mais fait également partie intégrante de la pompe en définissant le canal d'entrée 22 et le conduit de refoulement 21.According to the invention, the support part 2 supports a pump 3. More specifically, the support piece 2 forms a housing 24 in which the the pump 3 are mounted, for example, by force. On the other hand, the support piece 2 forms an inlet channel 22 which is separated from the discharge conduit 21 by a stud 25. The support piece certainly supports part of the pump, but does also an integral part of the pump by defining the inlet channel 22 and the discharge pipe 21.

    La pompe 3 définit une chambre de pompe 31 munie d'un clapet d'entrée 32 qui fait communiquer la chambre de pompe 31 avec le réservoir 1 à travers le canal d'entrée 22. La chambre de pompe 31 est également pourvue d'un clapet de sortie 33 qui fait communiquer la chambre 31 avec l'orifice de distribution 20 à travers le canal de refoulement 21. Le clapet d'entrée 32 s'ouvre lorsqu'une dépression est créée dans la chambre de pompe 31, et se ferme lorsque le produit à l'intérieur de la chambre 31 est mis sous pression. A l'inverse, le clapet de sortie 33 s'ouvre lorsque le produit de la chambre de pompe est mis sous pression et se ferme lorsqu'une dépression est créée à l'intérieur de la chambre de pompe.The pump 3 defines a pump chamber 31 provided with an inlet valve 32 which communicates the pump chamber 31 with the reservoir 1 through the channel inlet 22. The pump chamber 31 is also provided with an outlet valve. 33 which communicates the chamber 31 with the dispensing orifice 20 through the discharge channel 21. The inlet valve 32 opens when a vacuum is created in the pump chamber 31, and closes when the product inside the chamber 31 is pressurized. Conversely, the outlet valve 33 opens when the product in the pump chamber is pressurized and closes when a depression is created inside the pump chamber.

    La pompe est également pourvue d'un poussoir 34 qui permet de faire diminuer le volume de la chambre de pompe 31 et ainsi mettre le produit fluide contenu à l'intérieur sous pression.The pump is also provided with a pusher 34 which makes it possible to make decrease the volume of the pump chamber 31 and thus put the fluid product content inside under pressure.

    Selon l'invention, le poussoir 34 de la pompe 3 est disposé en dessous de la paroi d'actionnement 14 du réservoir 1. Par conséquent, lorsqu'on appuie sur la paroi d'actionnement 14, on appuie également sur le poussoir 34, ce qui a pour effet d'actionner la pompe 3. Ainsi, sans que l'utilisateur ne le sache, il actionne une pompe lorsqu'il appuie sur la paroi d'actionnement 14. La pompe est totalement invisible puisque totalement contenu à l'intérieur du réservoir 1. Une quantité dosée de produit fluide est ainsi distribuée avec une bonne qualité de distribution. En outre, la pompe 3 solidaire de sa pièce de support 2 assure une tenue au distributeur et confère également à la paroi d'actionnement 14 la force de rappel nécessaire pour faire revenir la paroi 14 dans sa position initiale. En effet, la paroi d'actionnement 14 profite de la force de rappel du poussoir 34.According to the invention, the plunger 34 of the pump 3 is arranged below the actuating wall 14 of the reservoir 1. Consequently, when the pressure is pressed actuating wall 14, the push-button 34 is also pressed, which has the effect activate pump 3. Thus, without the user being aware of it, he activates a pump when it presses on the actuating wall 14. The pump is completely invisible since completely contained inside the tank 1. A metered amount fluid product is thus distributed with a good quality of distribution. In in addition, the pump 3 secured to its support piece 2 ensures the dispenser is held and also gives the actuating wall 14 the restoring force necessary to return the wall 14 to its initial position. Indeed, the actuating wall 14 takes advantage of the return force of the pusher 34.

    Selon la forme de réalisation représentée sur la figure 2, la pompe 3 est une pompe à membrane déformable. Ainsi, le poussoir 34 est formé par une paroi déformable de la chambre de pompe 31. La paroi déformable 34 est formée par une pièce 38 en forme de dôme dont la partie supérieure est formée par la paroi d'actionnement 34 et dont la partie périphérique sensiblement cylindrique 36 est engagée à l'intérieur du logement 24 formé par la pièce de support 2. En dessous de cette pièce 38 en forme de dôme, c'est-à-dire en dessous de la partie 36, la pompe comprend une platine 37 percées de deux trous de passage 372 et 373 qui sont situés au droit des clapets 32 et 33. Une partie de la platine 37 sert de siège de clapet pour le clapet de sortie 33. En dessous de cette platine 37, la pompe 3 comprend une membrane 35 qui forme les deux clapets mobiles 32 et 33. Cette membrane 35 peut se présenter sous la forme d'un disque dans lequel ont été découpées deux petits disques qui restent cependant attachés au reste de la membrane. Ces deux petits disques forment les deux clapets 32 et 33 capables de pivoter le long du segment qui les relie au reste de la membrane. La membrane 35 prend appui au fond du logement 24 qui forme une bride 27 qui définit le siège de clapet pour le clapet d'entrée 25. En outre, la membrane prend appui sur le plot 25. En définissant le siège de clapet d'entrée, la pièce de support constitue un organe de la pompe, ou plus précisément, la partie de la pièce de support formant le logement 24 fait partie de la pompe. Le fait que la pièce de support définisse en outre l'appendice de fixation et/ou l'orifice de sortie n'est qu'une forme de réalisation avantageuse. En variante, la pompe, formée de son dôme 38, sa platine 37, sa membrane et son logement 24, pourrait être fixée à une pièce de support qui définit l'orifice de sortie et/ou l'appendice de fixation. Le fait de réaliser le logement d'une seule pièce avec la pièce de support n'est qu'une forme de réalisation avantageuse.According to the embodiment shown in Figure 2, the pump 3 is a deformable diaphragm pump. Thus, the pusher 34 is formed by a wall deformable of the pump chamber 31. The deformable wall 34 is formed by a dome-shaped part 38, the upper part of which is formed by the wall 34 and whose substantially cylindrical peripheral part 36 is engaged inside the housing 24 formed by the support piece 2. Below this part 38 in the form of a dome, that is to say below the part 36, the pump includes a plate 37 pierced with two through holes 372 and 373 which are located in line with valves 32 and 33. Part of the plate 37 serves as a valve seat for the outlet valve 33. Below this plate 37, the pump 3 comprises a membrane 35 which forms the two movable valves 32 and 33. This membrane 35 can appear in the form of a disc from which two small have been cut discs which however remain attached to the rest of the membrane. These two little ones discs form the two valves 32 and 33 capable of pivoting along the segment which connects them to the rest of the membrane. The membrane 35 is supported at the bottom of the housing 24 which forms a flange 27 which defines the valve seat for the valve input 25. In addition, the membrane is supported on the pad 25. By defining the inlet valve seat, the support part constitutes a pump member, or more precisely, the part of the support piece forming the housing 24 is part of the pump. The fact that the support piece further defines the appendage of fixing and / or outlet is only an advantageous embodiment. In variant, the pump, formed by its dome 38, its plate 37, its membrane and its housing 24, could be fixed to a support piece which defines the outlet orifice and / or the attachment appendix. The fact of housing in one piece with the support piece is only an advantageous embodiment.

    Il s'agit là d'une forme de réalisation non limitative pour la pompe 3 intégrée à l'intérieur du réservoir 3. On peut bien entendu imaginer toute forme de pompe dont le poussoir peut être actionné à travers la paroi 14 du réservoir. Toutefois, les pompes plates sont préférables de manière à ce que le distributeur présente une épaisseur réduite. Plus la pompe est plate, et plus le distributeur ressemble à un distributeur classique dépourvu de pompe.This is a non-limiting embodiment for the integrated pump 3 inside the tank 3. One can of course imagine any form of pump the pusher of which can be actuated through the wall 14 of the tank. However, flat pumps are preferable so that the distributor has a reduced thickness. The flatter the pump, the more the distributor looks like a classic distributor without pump.

    Il est à noter que la pompe 3 représentée sur la figure 2 est particulièrement simple de conception, puisqu'elle ne comprend que quatre organes constitutifs, à savoir le dôme 38, la platine 37 et la membrane 35 et la pièce de support, qui sont des organes très faciles à fabriquer ; il en résulte une pompe particulièrement bon marché. La pièce de support 2, qui peut par exemple être réalisée d'une seule pièce en matière plastique moulée, est très simple à fabriquer et de ce fait bon marché. Il est donc possible de fabriquer un distributeur servant d'échantillon gratuit.It should be noted that the pump 3 represented in FIG. 2 is particularly simple in design, since it comprises only four constituent organs, know the dome 38, the plate 37 and the membrane 35 and the support piece, which are organs very easy to manufacture; this results in a particularly good pump market. The support piece 2, which can for example be made in one piece molded plastic, is very simple to manufacture and therefore inexpensive. he It is therefore possible to manufacture a dispenser serving as a free sample.

    Claims (8)

    1. A fluid dispenser comprising:
      a reservoir (1) serving to contain fluid and defining an actuating wall (14); and
      a dispensing orifice (20) via which the fluid is dispensed each time the wall (14) of the reservoir (1) is actuated;
      the reservoir (1) further containing a pump (3) defining a pump chamber (31) provided with an inlet valve (32) for communicating with the reservoir (1) and with an outlet valve (33), the pump (3) including a pusher (34) which is pushed in order to reduce the volume of the pump chamber, said pusher (34) being disposed below the actuating wall (14) of the reservoir; a delivery duct (21) connecting the outlet valve (33) of the pump (3) to the dispensing orifice (20),
      said dispenser being characterized in that the pusher of the pump (3) is formed by a deformable wall (34) of the pump chamber (31).
    2. A dispenser according to claim 1, in which the dispensing orifice (20) is defined by a pump support piece (2) to which the pump (3) is fitted.
    3. A dispenser according to claim 2, in which the reservoir (1) is fixed to the support piece (2).
    4. A dispenser according to any preceding claim, in which the reservoir (1) is made up of two deformable sheets (11, 12) sealed together around their peripheries (10).
    5. A dispenser according to claim 4, in which the support piece is provided with a fixing appendage (23) to which the sheets (11, 12) of the reservoir (1) are fixed, advantageously by sealing.
    6. A dispenser according to any preceding claim, in which the support piece (2) forms a recess (24) into which component members of the pump (3) are inserted.
    7. A dispenser according to any preceding claim, in which the support piece (2) defines a valve seat (27) for the inlet valve (32) of the pump.
    8. A dispenser according to any one of claims 2 to 7, in which the delivery duct is formed by the support piece.
    EP20010965345 2000-08-25 2001-08-23 Integrated pump dispenser Expired - Lifetime EP1313568B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    FR0011041 2000-08-25
    FR0011041A FR2813283B1 (en) 2000-08-25 2000-08-25 INTEGRATED PUMP DISPENSER
    PCT/FR2001/002660 WO2002016047A1 (en) 2000-08-25 2001-08-23 Integrated pump dispenser

    Publications (2)

    Publication Number Publication Date
    EP1313568A1 EP1313568A1 (en) 2003-05-28
    EP1313568B1 true EP1313568B1 (en) 2004-05-06

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    EP20010965345 Expired - Lifetime EP1313568B1 (en) 2000-08-25 2001-08-23 Integrated pump dispenser

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    US (1) US6789706B2 (en)
    EP (1) EP1313568B1 (en)
    JP (1) JP2004506511A (en)
    CN (1) CN1184012C (en)
    BR (1) BR0113387A (en)
    DE (1) DE60103169T2 (en)
    ES (1) ES2219560T3 (en)
    FR (1) FR2813283B1 (en)
    WO (1) WO2002016047A1 (en)

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    Also Published As

    Publication number Publication date
    EP1313568A1 (en) 2003-05-28
    US6789706B2 (en) 2004-09-14
    FR2813283B1 (en) 2003-02-14
    DE60103169D1 (en) 2004-06-09
    FR2813283A1 (en) 2002-03-01
    ES2219560T3 (en) 2004-12-01
    DE60103169T2 (en) 2004-11-18
    CN1449309A (en) 2003-10-15
    BR0113387A (en) 2003-07-29
    CN1184012C (en) 2005-01-12
    WO2002016047A1 (en) 2002-02-28
    US20040011820A1 (en) 2004-01-22
    JP2004506511A (en) 2004-03-04

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