EP1313568A1 - Integrated pump dispenser - Google Patents

Integrated pump dispenser

Info

Publication number
EP1313568A1
EP1313568A1 EP01965345A EP01965345A EP1313568A1 EP 1313568 A1 EP1313568 A1 EP 1313568A1 EP 01965345 A EP01965345 A EP 01965345A EP 01965345 A EP01965345 A EP 01965345A EP 1313568 A1 EP1313568 A1 EP 1313568A1
Authority
EP
European Patent Office
Prior art keywords
pump
reservoir
wall
dispenser according
dispensing orifice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01965345A
Other languages
German (de)
French (fr)
Other versions
EP1313568B1 (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
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 Valois SAS filed Critical Valois SAS
Publication of EP1313568A1 publication Critical patent/EP1313568A1/en
Application granted granted Critical
Publication of EP1313568B1 publication Critical patent/EP1313568B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—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
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1064—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 an actuating wall on which is pressed to reduce the volume of the reservoir.
  • the dispenser includes a dispensing orifice through which the fluid is dispensed each time the tank wall is actuated.
  • dispensers of this type already exist in the prior art. They are used in particular in pharmacy, cosmetics and perfumery. They are also found in the form of a free sample for advertising purposes containing small doses of fluid.
  • the dispenser is then in 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 on the flexible walls of the reservoir to release fluid therefrom through the dispensing orifice.
  • this type of dispenser often does not have a good quality of dispensing, in particular of spraying, in the case of liquid product such as 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 flexible tank. If the user presses slowly, the spraying will not be good and the fluid will tend to drip and not to be sprayed.
  • the distributor described in document FR-2 described in document FR-2
  • the object of the present invention is to define another dispenser of this type, that is to say with a reservoir with a deformable wall, where the product stored in the tank is distributed in a perfectly proportioned manner with good spray quality.
  • Document US Pat. No. 4,795,063 describes a dispenser comprising a flexible reservoir formed by 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 flange onto which an opening formed by one of the sheets is welded.
  • the base and the body are urged away from each other by a return spring. By bringing the base towards the body against the force exerted by the spring, the volume of the pump chamber decreases and the fluid product 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 a deformable wall of the tank. Consequently, the base of the base can be moved by pressing on the deformable wall of the reservoir.
  • the fluid product discharged by the pump leaves the distributor at the outlet valve which is located in the axis of movement of the base. It is therefore necessary to be careful, when actuating this dispenser, not to obstruct the outlet valve with a finger, since the ideal position of the finger serving as reaction to the thrust exerted on the base is that of the valve. exit. Therefore, the fingers must be positioned next to the outlet valve, so that the dispensed product can come into contact with the fingers, which is not the intended purpose. It is therefore not at all easy to use such a dispenser. This is due to the fact that the dispensing orifice is formed by the outlet valve and that this outlet valve is located at, or in opposition to, the deformable wall of the reservoir.
  • the object of the present invention is to remedy the drawbacks of this prior art.
  • the present invention provides a fluid dispenser comprising a reservoir intended to contain fluid and defining an actuating wall, and a dispensing orifice through which the fluid is dispensed each time the reservoir wall is actuated.
  • the reservoir further containing a pump defining a pump chamber provided with an inlet valve for communicating with the reservoir and with 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, characterized in that that a discharge conduit connects the outlet valve of the pump to the dispensing orifice.
  • a principle of the present invention lies in the fact of fully integrating a pump inside a conventional package with a deformable reservoir wall.
  • the integration of a pump inside such a package also has other advantages: for example, the actuation wall of the reservoir does not need to have a shape memory, since its return to the initial state is ensured by the return force of the pump which tends to return the pusher to the rest position.
  • the actuating wall of the reservoir can thus have a constant shape in the rest position regardless of the filling state of the reservoir.
  • the pump inside the reservoir ensures a certain hold on the latter so that the user has an easier time gripping it.
  • the pump is mounted on a support piece defining the dispensing orifice.
  • the delivery duct is formed by the support part.
  • the reservoir is fixed to the support part.
  • the reservoir is formed from two deformable sheets welded together on their peripheries.
  • deformable sheet is meant both film complexes and thermoformed shells or a combination thereof.
  • the support piece comprises a fixing appendage to which the sheets of the tank are fixed, advantageously by welding.
  • the attachment appendage closes the reservoir.
  • the pump plunger is formed by a deformable wall of the pump chamber. It can be a so-called membrane pump, the variation of the volume of the pump chamber is ensured by the elastic deformation of a membrane. When the membrane is pressed, it deforms, and as soon as the pressure is released, it returns to its original position. The return force of the pump is thus directly provided by the membrane.
  • the support part forms a housing in which the component parts of the pump are inserted.
  • the support part defines a valve seat for the inlet valve of the pump.
  • the support piece is therefore part of the pump, since it cannot function without it.
  • FIG. 1 is a partially cut away top view of a dispenser according to the invention
  • FIG. 2 is a view in vertical cross section through the front part of the dispenser of FIG. 1 integrating the pump
  • Figure 3 is a front view of the dispenser of Figures 1 and 2.
  • the fluid dispenser according to the invention comprises a reservoir 1 containing fluid.
  • This reservoir 1 is formed with a deformable actuating wall 14 on which one can press to deform the reservoir and thus reduce its volume.
  • the reservoir may be in the form of a flexible pocket made from one or more sheets of complex films.
  • the reservoir can be produced from a sheet of complex film folded back on itself and welded on its periphery.
  • the reservoir can also be produced from 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 sealing film has been welded to thereby form the reservoir 1.
  • the reservoir in the form of a flexible tube of the toothpaste type which is welded at one end and which is provided at its other end with a dispensing orifice.
  • the material constituting the reservoir as well as its shape therefore matters little, provided that one of these walls is deformable so as to reduce the internal volume of the reservoir.
  • the reservoir is in the form of a deformable sheet or shell welded on its periphery to another sheet or another deformable shell.
  • the actuating wall 14 is produced at the level of the sheet or shell 11.
  • the two sheets or shells are welded together over their entire peripheries 10 except for the side where a distribution orifice 20 is formed.
  • the orifice distribution 20 is formed by a support piece 2 which extends from the distribution orifice 20 towards the interior of the tank 1.
  • This support piece 2 forms a fixing appendage 23, which is here an appendage of welding on which the sheets or shells 11 or 12 are welded. As can be seen in FIG.
  • this welding appendage 23 is in the form of a diamond or an eye, which facilitates the welding of the sheets or shells 11 and 12 on the appendix, as well as together at the corners of the eye formed by the appendage 23.
  • the welding appendage 23 closes the reservoir 1 by forming the dispensing orifice 20 as can be seen in FIG. 3.
  • the dispensing orifice is formed at one end of a nozzle which extends towards the inside of the tank beyond the welding appendage 23 and which internally defines a discharge conduit 21.
  • the support part 2 supports a pump 3. More specifically, the support part 2 forms a housing 24 in which the members of the pump 3 are mounted, for example, by force.
  • the support piece 2 forms an inlet channel 22 which is separated from the delivery duct 21 by a support 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 conduit 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 inlet channel 22.
  • the pump chamber 31 is also provided with a outlet valve
  • 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 from the pump chamber is pressurized and closes when a vacuum is created inside the pump chamber.
  • the pump is also provided with a pusher 34 which makes it possible to reduce the volume of the pump chamber 31 and thus to put the fluid product contained therein under pressure.
  • the plunger 34 of the pump 3 is arranged below the actuating wall 14 of the reservoir 1. Consequently, when the actuator wall is pressed 14, the plunger 34 is also pressed, which has the effect of actuating the pump 3.
  • the pump is completely invisible since it is completely contained in the inside the tank 1. A metered quantity of fluid product is thus distributed with a good quality of distribution.
  • the pump 3 secured to its support part 2 ensures the dispenser is held and also gives the actuating wall 14 the return force necessary to return the wall 14 to its initial position. In fact, 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 deformable wall 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 actuating wall 34 and the peripheral part of which substantially cylindrical 36 is engaged inside the housing 24 formed by the support piece 2.
  • the pump comprises a plate 37 pierced with two through holes 372 and 373 which are located in line with the valves 32 and 33.
  • a 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 be in the form of a disc from which two small discs have been cut, which however remain attached to the rest of the membrane. These two small 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 inlet valve 25.
  • the membrane is supported on the pad 25.
  • 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 fixing appendage.
  • the fact of housing in one piece with the support piece is only an advantageous embodiment.
  • any form of pump whose pusher can be actuated through the wall 14 of the tank.
  • flat pumps are preferable so that the distributor has a reduced thickness. The flatter the pump, the more the distributor looks like a conventional distributor without a pump.
  • the pump 3 shown in FIG. 2 is particularly simple in design, since it only comprises four constituent members, namely 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 inexpensive pump.
  • the support piece 2 which can for example be made in one piece from molded plastic, is very simple to manufacture and therefore inexpensive. It is therefore possible to manufacture a dispenser serving as a free sample.

Landscapes

  • 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

Distributeur à pompe intégrée Distributor with integrated pump
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 an actuating wall on which is pressed to reduce the volume of the reservoir. On the other hand, the dispenser includes a dispensing orifice through which the fluid is dispensed each time the tank wall is actuated.
H 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.Many distributors of this type already exist in the prior art. They are used in particular in pharmacy, cosmetics and perfumery. They are also found in the form of a free sample for advertising purposes containing small doses of fluid. The dispenser is then in the form of a simple packaging formed by a flexible reservoir with a dispensing orifice.
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.The user grasps the packaging between the thumb and forefinger and presses on the flexible walls of the reservoir to release fluid therefrom through the dispensing orifice.
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-2However, this type of dispenser often does not have a good quality of dispensing, in particular of spraying, in the case of liquid product such as 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 flexible tank. If the user presses slowly, the spraying will not be good and the fluid will tend to drip and not to be sprayed. To overcome this distribution quality problem, the distributor described in 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.778 639 recommends conferring on the actuating wall a predetermined threshold of resistance to deformation which must be overcome to deform it. The actuating wall does not deform immediately upon pressure from the user. The user will have to press hard enough to overcome the resistance threshold. The insertion of the actuating wall is then rapid and abrupt, which ensures immediate pressurization of the product stored in the dispenser tank. 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 dispenser of this type, that is to say with a reservoir with a deformable wall, where the product stored in the tank is distributed in a perfectly proportioned manner with good spray quality.
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 rencontre 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. H 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 flexible reservoir formed by 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 flange onto which an opening formed by one of the sheets is welded. The base and the body are urged away from each other by a return spring. By bringing the base towards the body against the force exerted by the spring, the volume of the pump chamber decreases and the fluid product 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 a deformable wall of the tank. Consequently, the base of the base can be moved by pressing on the deformable wall of the reservoir. The fluid product discharged by the pump leaves the distributor at the outlet valve which is located in the axis of movement of the base. It is therefore necessary to be careful, when actuating this dispenser, not to obstruct the outlet valve with a finger, since the ideal position of the finger serving as reaction to the thrust exerted on the base is that of the valve. exit. Therefore, the fingers must be positioned next to the outlet valve, so that the dispensed product can come into contact with the fingers, which is not the intended purpose. It is therefore not at all easy to use such a dispenser. This is due to the fact that the dispensing orifice is formed by the outlet valve and that this outlet valve is located at, or in opposition to, the deformable wall of the reservoir.
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 prior art.
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, caractérisé en ce qu'un conduit de refoulement relie le clapet de sortie de la pompe à l'orifice de distribution. 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 le poussoir 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 and defining an actuating wall, and a dispensing orifice through which the fluid is dispensed each time the reservoir wall is actuated. , the reservoir further containing a pump defining a pump chamber provided with an inlet valve for communicating with the reservoir and with 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, characterized in that that a discharge conduit connects the outlet valve of the pump to the dispensing orifice. By moving the dispensing orifice away from the pump by means of the delivery pipe, the pump becomes perfectly invisible since it is entirely contained inside the tank. The user believes he is dealing with a conventional distributor of this type (without a pump). The user will perceive a certain resistance to the deformation conferred by the pusher of the pump. By continuing to press the actuating wall, a dose of fluid is dispensed: its dosage and quality of spraying are ensured by the pump. A principle of the present invention lies in the fact of fully integrating a pump inside a conventional package with a deformable reservoir wall. The integration of a pump inside such a package also has other advantages: for example, the actuation wall of the reservoir does not need to have a shape memory, since its return to the initial state is ensured by the return force of the pump which tends to return the pusher to the rest position. The actuating wall of the reservoir can thus have a constant shape in the rest position regardless of the filling state of the reservoir. In addition, the pump inside the reservoir ensures a certain hold on the latter so that the user has an easier time gripping 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. Selon une autre caractéristique, le réservoir est fixé à la pièce de support.According to a practical embodiment, the pump is mounted on a support piece defining the dispensing orifice. Advantageously, the delivery duct is formed by the support part. 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. 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.According to one embodiment, the reservoir is formed from two deformable sheets welded together on their peripheries. This is a completely classic design for a distributor serving as a free advertising sample. By deformable sheet is meant both film complexes and thermoformed shells or a combination thereof. Advantageously, the support piece comprises a fixing appendage to which the sheets of the tank are fixed, advantageously by welding. Thus, the attachment appendage closes the reservoir.
Selon un autre aspect de l'invention, 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.According to another aspect of the invention, the pump plunger is formed by a deformable wall of the pump chamber. It can be a so-called membrane pump, the variation of the volume of the pump chamber is ensured by the elastic deformation of a membrane. When the membrane is pressed, it deforms, and as soon as the pressure is released, it returns to its original position. The return force of the pump is thus directly provided by the membrane.
Selon une forme de réalisation pratique, la pièce de support forme un logement dans lequel des organes constitutifs de la pompe sont insérés.According to a practical embodiment, the support part forms a housing in which the component parts of the pump are inserted.
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.Advantageously, the support part defines a valve seat for the inlet valve of the pump. 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. Sur les figures :The invention will now be described more fully with reference to the accompanying drawings which give an embodiment of the invention by way of non-limiting example. In the figures:
La figure 1 est une vue de dessus partiellement découpée d'un distributeur selon l'invention,FIG. 1 is a partially cut away top view of a dispenser according to the 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,FIG. 2 is a view in vertical cross section through the front part of the dispenser of FIG. 1 integrating the pump,
La figure 3 est une vue de devant du distributeur des figures 1 et 2.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 a deformable actuating wall 14 on which one can press to deform the reservoir and thus reduce its volume. The reservoir may be in the form of a flexible pocket made from one or more sheets of complex films. For example, the reservoir can be produced from a sheet of complex film folded back on itself and welded on its periphery. The reservoir can also be produced from 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 sealing film has been welded to thereby form the reservoir 1. One can also imagine another embodiment from two thermoformed shells welded together on their peripheries. One can also imagine the reservoir in the form of a flexible tube of the toothpaste type which is welded at one end and which is provided at its other end with a dispensing orifice. The material constituting the reservoir as well as its shape therefore matters little, provided that one of these walls is deformable so as to reduce the internal volume of the reservoir.
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 œil, ce qui facilite le soudage des feuilles ou coques 11 et 12 sur l'appendice, ainsi qu'ensemble au niveau des commissures de l'œil 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 reservoir is in the form of a deformable sheet or shell welded on its periphery to another sheet or another deformable shell. The actuating wall 14 is produced at the level of the sheet or shell 11. The two sheets or shells are welded together over their entire peripheries 10 except for the side where a distribution orifice 20 is formed. The orifice distribution 20 is formed by a support piece 2 which extends from the distribution orifice 20 towards the interior of the tank 1. This support piece 2 forms a fixing appendage 23, which is here an appendage of welding on which the sheets or shells 11 or 12 are welded. As can be seen in FIG. 3, this welding appendage 23 is in the form of a diamond or an eye, which facilitates the welding of the sheets or shells 11 and 12 on the appendix, as well as together at the corners of the eye formed by the appendage 23. Thus, the welding appendage 23 closes the reservoir 1 by forming the dispensing orifice 20 as can be seen in FIG. 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 welding appendage 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 part 2 forms a housing 24 in which the members of 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 delivery duct 21 by a support 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 conduit 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 sortieThe 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 inlet channel 22. The pump chamber 31 is also provided with a outlet valve
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.33 which communicates the chamber 31 with the dispensing orifice 20 through the delivery 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 from the pump chamber is pressurized and closes when a vacuum 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. 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.The pump is also provided with a pusher 34 which makes it possible to reduce the volume of the pump chamber 31 and thus to put the fluid product contained therein under pressure. 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 actuator wall is pressed 14, the plunger 34 is also pressed, which has the effect of actuating the pump 3. Thus, without the user knowing it, he actuates a pump when he presses on the actuating wall 14. The pump is completely invisible since it is completely contained in the inside the tank 1. A metered quantity of fluid product is thus distributed with a good quality of distribution. In addition, the pump 3 secured to its support part 2 ensures the dispenser is held and also gives the actuating wall 14 the return force necessary to return the wall 14 to its initial position. In fact, 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 deformable wall 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 actuating wall 34 and the peripheral part of which substantially cylindrical 36 is engaged inside the housing 24 formed by the support piece 2. Below this dome-shaped piece 38, that is to say below the part 36, the pump comprises a plate 37 pierced with two through holes 372 and 373 which are located in line with the valves 32 and 33. A 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 be in the form of a disc from which two small discs have been cut, which however remain attached to the rest of the membrane. These two small 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 inlet valve 25. In addition, the membrane is supported on the pad 25. By defining the inlet valve seat , the support piece constitutes a member of the pump, 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 fixing appendix and / or the outlet orifice is only an advantageous embodiment. Alternatively, 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 fixing appendage. 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. II 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. This is a non-limiting embodiment for the pump 3 integrated inside the tank 3. One can of course imagine any form of pump whose pusher 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 conventional distributor without a pump. It should be noted that the pump 3 shown in FIG. 2 is particularly simple in design, since it only comprises four constituent members, namely 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 inexpensive pump. The support piece 2, which can for example be made in one piece from molded plastic, is very simple to manufacture and therefore inexpensive. It is therefore possible to manufacture a dispenser serving as a free sample.

Claims

Revendications claims
1.- Distributeur de produit fluide comprenant :1.- Fluid product distributor comprising:
- un réservoir (1) destiné à contenir du produit fluide et définissant une paroi d'actionnement (14), et - un orifice de distribution (20) par lequel le produit fluide est distribué à chaque actionnement de la paroi (14) du réservoir (1), le réservoir (1) contenant en outre une pompe (3) définissant une chambre de pompe (31) munie d'un clapet d'entrée (32) pour communiquer avec le réservoir (1) et d'un clapet de sortie (33), la pompe (3) comprenant un poussoir (34) sur lequel on appuie pour diminuer le volume de la chambre de pompe, ledit poussoir (34) étant disposé en dessous de la paroi d'actionnement (14) du réservoir, caractérisé en ce qu'un conduit de refoulement (21) relie le clapet de sortie (33) de la pompe (3) à l'orifice de distribution (20). - a reservoir (1) intended to contain fluid product and defining an actuation wall (14), and - a dispensing orifice (20) by which the fluid product is dispensed at each actuation of the wall (14) of the reservoir (1), the tank (1) further containing a pump (3) defining a pump chamber (31) provided with an inlet valve (32) for communicating with the tank (1) and with a valve outlet (33), the pump (3) comprising a pusher (34) which is pressed to decrease the volume of the pump chamber, said pusher (34) being disposed below the actuating wall (14) of the reservoir , characterized in that a discharge conduit (21) connects the outlet valve (33) of the pump (3) to the dispensing orifice (20).
2.- Distributeur selon la revendication 1, dans lequel l'orifice de distribution (20) est défini par une pièce de support de pompe (2) sur laquelle la pompe (3) est montée.2. A dispenser according to claim 1, wherein the dispensing orifice (20) is defined by a pump support part (2) on which the pump (3) is mounted.
3.- Distributeur selon la revendication 2, dans lequel le réservoir (1) est fixé à la pièce de support (2). 3. A dispenser according to claim 2, wherein the reservoir (1) is fixed to the support piece (2).
4.- Distributeur selon l'une quelconque des revendications précédentes, dans lequel le réservoir (1) est formé à partir de deux feuilles déformables (11, 12) soudées ensemble sur leur périphérie (10).4. Dispenser according to any one of the preceding claims, in which the reservoir (1) is formed from two deformable sheets (11, 12) welded together on their periphery (10).
5.- Distributeur selon la revendication 4, dans lequel la pièce de support comprend un appendice de fixation (23) sur lequel les feuilles (11, 12) du réservoir (1) sont fixées, avantageusement par soudage.5. A dispenser according to claim 4, wherein the support part comprises a fixing appendage (23) on which the sheets (11, 12) of the reservoir (1) are fixed, advantageously by welding.
6.- Distributeur selon l'une quelconque des revendications précédentes, dans lequel le poussoir de la pompe (3) est formé par une paroi déformable (34) de la chambre de pompe (31). 6. A dispenser according to any one of the preceding claims, wherein the pump plunger (3) is formed by a deformable wall (34) of the pump chamber (31).
7.- Distributeur selon l'une quelconque des revendications précédentes, dans lequel la pièce de support (2) forme un logement (24) dans lequel des organes constitutifs de la pompe (3) sont insérés.7. Dispenser according to any one of the preceding claims, in which the support part (2) forms a housing (24) in which the constituent members of the pump (3) are inserted.
8.- Distributeur selon l'une quelconque des revendications précédentes, dans lequel la pièce de support (2) définit un siège de clapet (27) pour le clapet d'entrée (32) de la pompe.8. Dispenser according to any one of the preceding claims, in which the support part (2) defines a valve seat (27) for the inlet valve (32) of the pump.
9.- Distributeur selon l'une quelconque des revendications 2 à 8, dans lequel le conduit de refoulement est formé par la pièce de support.9. A dispenser according to any one of claims 2 to 8, wherein 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)

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FR0011041A FR2813283B1 (en) 2000-08-25 2000-08-25 INTEGRATED PUMP DISPENSER
FR0011041 2000-08-25
PCT/FR2001/002660 WO2002016047A1 (en) 2000-08-25 2001-08-23 Integrated pump dispenser

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

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JP (1) JP2004506511A (en)
CN (1) CN1184012C (en)
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DE (1) DE60103169T2 (en)
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Publication number Publication date
CN1449309A (en) 2003-10-15
ES2219560T3 (en) 2004-12-01
FR2813283A1 (en) 2002-03-01
FR2813283B1 (en) 2003-02-14
DE60103169D1 (en) 2004-06-09
CN1184012C (en) 2005-01-12
DE60103169T2 (en) 2004-11-18
US6789706B2 (en) 2004-09-14
EP1313568B1 (en) 2004-05-06
JP2004506511A (en) 2004-03-04
US20040011820A1 (en) 2004-01-22
BR0113387A (en) 2003-07-29
WO2002016047A1 (en) 2002-02-28

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