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EP1173289B1 - Product dispenser with a flexible pouch - Google Patents

Product dispenser with a flexible pouch Download PDF

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Publication number
EP1173289B1
EP1173289B1 EP00920839A EP00920839A EP1173289B1 EP 1173289 B1 EP1173289 B1 EP 1173289B1 EP 00920839 A EP00920839 A EP 00920839A EP 00920839 A EP00920839 A EP 00920839A EP 1173289 B1 EP1173289 B1 EP 1173289B1
Authority
EP
European Patent Office
Prior art keywords
shell
opening
pouch
support
flexible pouch
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
EP00920839A
Other languages
German (de)
French (fr)
Other versions
EP1173289A1 (en
Inventor
Laurent Decottignies
Firmin Garcia
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.)
AirlesSystems SAS
Original Assignee
AirlesSystems 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 AirlesSystems SAS filed Critical AirlesSystems SAS
Publication of EP1173289A1 publication Critical patent/EP1173289A1/en
Application granted granted Critical
Publication of EP1173289B1 publication Critical patent/EP1173289B1/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
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on 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
    • B05B11/02—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
    • B05B11/1001—Piston pumps

Definitions

  • the present invention relates to a fluid dispenser comprising a flexible bag containing said fluid, a dispensing member such as a pump to take fluid product in the flexible pocket and a shell advantageously rigid in which the flexible pocket is installed.
  • a dispensing member such as a pump to take fluid product in the flexible pocket
  • a shell advantageously rigid in which the flexible pocket is installed.
  • the pocket flexible is fixed either on the rigid shell, or on the pump directly, or even on a sleeve making the transition between the bag and the pump, the sleeve often being fixed on the rigid shell.
  • the sleeve is fixed on the rigid shell by snap-fastening.
  • the rigid shell defines an opening through which the flexible bag connected to the sleeve must be inserted.
  • the sleeve can then be snapped onto the opening of the rigid shell. Then just fill the flexible pouch with fluid and mount the pump without return air on the transition sleeve. This constitutes the most classic technique of the prior art.
  • Document EP-0 447 687 describes a dispenser provided with a shell in two parts connected together by a joint. Passing the connection line through the opening of the shell, we can thus arrange the flexible pocket inside of one of the two hull parts and complete the hull by closing it with the other part.
  • the two shell parts hold a pocket support between them which is welded a pocket.
  • a distribution head incorporating a pump is mounted on the two shell parts using a screw ring. To do this, the two parts of shell together form an opening in the form of an externally threaded neck.
  • the screwing the ring onto this two-part collar has the effect of holding the two parts of shell together. At the same time, the screwing of the ring has the other effect of pressing Hermetically sealed the pump inlet on the pocket support.
  • the simple unscrewing the ring releases the two shell parts which can then be opened by pivoting to extract the pocket with its support.
  • the ring is not attached to the pocket holder. This is explained by the fact that this is a rechargeable dispenser in which the bag is intended to be replaced. Fixation of the head on the shell and on the pocket support must therefore not be final. It is why the fastening technique chosen is screwing, which is easily reversible. he the same is true in document US Pat. No. 5,474,212 in which the dispensing head is screwed on the pocket support, the two articulated shell parts not cooperating with the fixing ring so that they can be opened at any time.
  • the object of the present invention is to provide a non-refillable dispenser with flexible pocket, the mounting of the fixing ring is final.
  • the two shell parts comprise means on the side opposite the opening.
  • the means assembly systems include two male-female type latching systems, each shell part forming a male connector and a female connector intended for cooperate respectively with a female connector and a male connector formed by the other part of the hull.
  • the two parts form two half-shells identical.
  • the parts of shell include alignment means at their connection line and centering to ensure a perfectly aligned connection of the two parts of shell.
  • At least part of the shell is formed with a window through which the flexible pocket is visible.
  • the shell is in the form of a frame surrounding the flexible pocket.
  • a fluid dispenser according to the invention comprises three elements essential components, namely a flexible bag 3 (fig. 4) containing fluid, a pump without air intake 5 capped with a push button 51, a shell 1 surrounding the flexible pocket 3, and a fixing ring 4 used to fix the pump on the pocket.
  • the particular design of the pump 5 is not essential for the present invention: it is however preferable and even practically necessary that it be of type without air intake (airless) to be able to benefit from the elastic properties of the flexible pocket 3 which allows a reduction in its capacity as the product is distributed, thus preventing the product contained inside from coming into contact with air ambient.
  • the internal structure of the pump will therefore not be described.
  • the flexible pocket 3 is preferably made from two laminated sheets welded together tightly except at an opening 31 intended for advantageously be fixed by heat sealing either directly on the pump body 5 or on a pocket support 2 as shown in the figures.
  • the structure detailed support and its function will be given below.
  • the shell 1 is according to the invention produced in two parts 11 and 12 which once assemblies share a connecting line that extends in a vertical plane when holding the dispenser upright.
  • the shell 1 which can be substantially rigid has at its upper end an opening 13 through which the pump 5 is in connection with the flexible bag 3 installed inside the shell 1.
  • the connection line of the two parts 11 and 12 of the shell 1 extends through said opening 13 so that each part of shell defines part of the opening 13 as can be seen in Figure 1.
  • Au level of the opening 13, each shell part 11, 12 defines a flange part 111, 121 which once assembled constitutes a complete cylindrical collar.
  • flange parts 111, 121 protrude upwards from flanges 113, 123 which will be used in combination with complementary flanges 114, 124 to house fixing for support 2 as will be seen below.
  • the two shell parts 11, 12 can be made separately for example by plastic molding, and then assemblies.
  • the two shell parts 11 and 12 can also be connected by a articulation 10 for example at their edge opposite the opening 13 as we can see it in Figure 1.
  • the two shell parts 11 and 12 are molded together in one piece and simply connected by bridges of finer thickness material 10, which act as a hinge. So all of the shell 1 can be molded in a single operation.
  • connection line common 14 alignment and centering means 112, 122 in the form of pins 112 which are inserted inside holes 122 made in the other shell part. This ensures a perfectly aligned connection of the two shell parts 11 and 12. Simultaneously, it is ensured that the opening 13 is perfectly formed by the two flanges 111 and 121 of the two shells 11 and 12.
  • the flexible pocket 3 can be directly welded to the body of the pump 5.
  • a pump body defining a connection sleeve on which the opening 31 of the flexible bag is welded.
  • the maintaining the pump 5 and its associated pocket 3 can then simply be achieved by closing the two shell parts 11 and 12 on the pump body so as to keep in the opening 13.
  • the final closing of the shell 1 can for example be made by a few welding points at its connection line 14.
  • the pocket support 2 which makes it possible to make the connection between the pocket 3 and the pump 5.
  • the pocket support 2 is stuck in the opening 13 of the two parts of shells 11 and 12 as can be seen in Figures 1 and 2.
  • the support pocket 2 comprises a connection sleeve 21 on which the opening of the pocket 31 is fixed, for example by heat sealing, a socket 22 which projects towards the high and on which the pump 5 rests, and a plate 23 extending horizontally around the sleeve 22 and the sleeve 21 at their junction.
  • a passage opening is defined through the sleeve 21, the plate 23 and the sleeve 22 to communicate the opening 31 of the flexible bag 3 and the inlet of the pump 5 as can be seen in Figure 4.
  • the plate 23 is used, the long lateral edges of which are housed in the space defined between the two flanges 113 and 114 on the one hand and 123, 124 on the other hand, as can be seen in FIG. 4. Once closed, the two half-shells 11 and 12, which are substantially identical, perfectly maintain the pocket support 2 between they.
  • the fixing ring 4 comprises a fixing ring 42 which defines a latching housing between a surface 422 and a snap-on cord 421 which cooperates with the socket 22 advantageously by the interposition of a seal 6.
  • the sleeve 22 is provided at its upper end of a bead 221 which projects outwards.
  • Cord snap 422 is adapted to be housed below the protruding bead 221 of the socket 22 by crushing the seal 6 between the end of the socket 22 and the bearing surface 422 formed by the fixing ring 42.
  • the fixing ring When the fixing ring is separated from the pump 5, the pump body 5 defines a collar which is wedged between the surface 422 and the seal 6. In this way, the pump 5 is securely fixed to the socket 22 of the pocket support 2.
  • the fixing ring 4 incorporates a retaining ring 41 which allows the two shell parts 11 and 12 to be locked together without the need to make weld points at their connection line 14.
  • This retaining ring 41 engages on the outside of the collar 111, 121 of the two shell parts 11 and 12 which form the opening 13. By thus maintaining these two flange parts 111 and 121, the two half-shells 11 and 12 are perfectly locked.
  • the two shell parts once closed, enclose the flexible pocket which is then no longer visible if the shell is made of an opaque material.
  • the two parts hull each form a frame or yoke defining inside a large window 115, 125 through which the flexible pocket 3 is visible.
  • One or advantageously two shell parts can be formed with such a window.
  • the term hull must therefore be here interpreted in a broad sense.
  • the shell then only surrounds or frames the flexible pocket.
  • the pocket can be taken on its periphery between the two frame parts of the hull.
  • the pocket can be maintained at its bottom 33 between the two frame parts.
  • the bottom of the pocket is pierced with two holes 34, and the frame parts are formed with a system of nipples 104, 105 intended to pass through the holes 34 so as to hold the poached.
  • the latter is only maintained at its bottom 33, the lateral edges 32, although arranged between the frame parts, being free of movement for allow the bag to vary in volume.
  • Another feature of this embodiment comes from the technique assembly of the two hull parts. Indeed, while in the other mode of realization, the two shell parts are articulated, they are assembled here by means of male-female snap-in systems 101, 102. Each part of the shell can by example form, at its bottom, opposite the opening 13, an eye 101 and a nipple 102; the nipple of a shell part being adapted to be housed by snap-fastening in the eye of the other hull part, and vice versa.
  • the two hull parts can then be perfectly identical, hence an economy in mold tooling.
  • Such a system assembly or the like can of course be implemented in the mode of previous realization in place of the joint.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)

Abstract

A liquid product dispenser comprising the following: a flexible pouch (3) containing a liquid product and provided with an opening (31), a dispensing member (5) such as a pump for removing the product contained in the flexible pouch via said opening, a shell (1) surrounding the pouch (3) and provided with an opening (13) which matches the opening (31) of the flexible pouch, whereby the shell (1) is made of two parts (11, 12) which are joined to each other along a joining line (14) which passes through the opening (13) of the shell, whereby each part (111, 121) of the shell forms a part of the opening of the shell, a support (2) for the pouch, whereby the opening (31) of the flexible pouch (3) is fixed to said support and the support is kept in position between both parts (11, 12) of the shell at the opening (13) of said shell, and a ring fastener (4) pertaining to the dispensing element. The invention is characterized in that the ring fastener comprises a fixing collar which is snapped onto the support for the pouch, and a maintenance collar which engages with the opening of the shell in order to keep both parts of the shell together.

Description

La présente invention concerne un distributeur de produit fluide comprenant une poche souple contenant ledit produit fluide, un organe de distribution tel qu'une pompe pour prélever du produit fluide dans la poche souple et une coque avantageusement rigide dans laquelle la poche souple est installée. Ce genre de distributeur trouve une application privilégiée dans le domaine de la cosmétique pour la distribution de crèmes sensibles, notamment par exposition à l'atmosphère. En effet, l'utilisation d'une poche souple accompagnée d'une pompe sans reprise d'air permet de maintenir le produit fluide hors de contact de l'air ambiant et éviter ainsi toute oxydation ou détérioration.The present invention relates to a fluid dispenser comprising a flexible bag containing said fluid, a dispensing member such as a pump to take fluid product in the flexible pocket and a shell advantageously rigid in which the flexible pocket is installed. This kind of distributor finds a privileged application in the field of cosmetics for the distribution of creams sensitive, in particular by exposure to the atmosphere. Indeed, the use of a pocket flexible accompanied by a pump without air intake keeps the product fluid out of contact with ambient air and thus avoid any oxidation or deterioration.

Il existe déjà dans l'art antérieur de nombreux distributeurs de ce type utilisant une poche souple et une coque relativement rigide. Dans tous ces distributeurs, la poche souple est fixée soit sur la coque rigide, soit sur la pompe directement, soit encore sur un manchon réalisant la transition entre la poche et la pompe, le manchon étant souvent fixé sur la coque rigide. Dans ce dernier cas, où l'on utilise un manchon de transition, le manchon est fixé sur la coque rigide par encliquetage. Pour cela, la coque rigide définit une ouverture à travers laquelle on doit insérer la poche souple reliée au manchon. Toutefois, pour cette opération, il est nécessaire de plier la poche souple encore vide afin de pouvoir la passer par l'ouverture de la coque rigide. Le manchon peut ensuite être encliqueté sur l'ouverture de la coque rigide. Il suffit alors de remplir la poche souple de produit fluide et de monter la pompe sans reprise d'air sur le manchon de transition. Ceci constitue la technique la plus classique de l'art antérieur.There are already in the prior art many distributors of this type using a flexible pocket and a relatively rigid shell. In all these distributors, the pocket flexible is fixed either on the rigid shell, or on the pump directly, or even on a sleeve making the transition between the bag and the pump, the sleeve often being fixed on the rigid shell. In the latter case, where a transition sleeve is used, the sleeve is fixed on the rigid shell by snap-fastening. For this, the rigid shell defines an opening through which the flexible bag connected to the sleeve must be inserted. However, for this operation, it is necessary to fold the flexible pouch still empty in order to to be able to pass it through the opening of the rigid shell. The sleeve can then be snapped onto the opening of the rigid shell. Then just fill the flexible pouch with fluid and mount the pump without return air on the transition sleeve. This constitutes the most classic technique of the prior art.

On connaít déjà de l'art antérieur des distributeurs de ce type dans lesquels la coque rigide est constituée de deux parties, mais dont la ligne de raccordement s'étend horizontalement lorsque l'on tient le distributeur debout. Un tel distributeur est par exemple décrit dans le document FR-2 081 244.Distributors of this type are already known in the prior art in which the rigid shell consists of two parts, but the connection line of which extends horizontally when the dispenser is held upright. Such a distributor is by example described in document FR-2,081,244.

Le document EP-0 447 687 décrit un distributeur pourvu d'une coque en deux parties reliées ensemble par une articulation. En faisant passer la ligne de raccordement à travers l'ouverture de la coque, on peut ainsi disposer la poche souple à l'intérieur d'une des deux parties de coque et compléter la coque en la refermant avec l'autre partie. Les deux parties de coque maintiennent entre elles un support de poche sur lequel est soudé une poche. Une tête de distribution intégrant une pompe est montée sur les deux parties de coque à l'aide d'une bague à visser. Pour ce faire, les deux parties de coque forment ensemble une ouverture sous la forme d'un col fileté extérieurement. Le vissage de la bague sur ce col en deux parties a pour effet de maintenir les deux parties de coque ensemble. En même temps, le vissage de la bague a pour autre effet d'appuyer hermétiquement l'entrée de la pompe sur le support de poche. Par conséquent, le simple dévissage de la bague libère les deux parties de coques qui peuvent ensuite être ouvertes par pivotement pour en extraire la poche avec son support. Il est à noter que la bague n'est pas fixée au support de poche. Ceci s'explique par le fait qu'il s'agit là d'un distributeur rechargeable dans lequel la poche est destinée à être remplacée. La fixation de la tête sur la coque et sur le support de poche ne doit donc pas être définitive. C'est pourquoi la technique de fixation retenue est le vissage, qui est facilement réversible. Il en est de même dans le document US-5 474 212 dans lequel la tête de distribution est vissée sur le support de poche, les deux parties de coque articulées ne coopérant pas avec la bague de fixation de sorte qu'elles peuvent être ouvertes à tout moment.Document EP-0 447 687 describes a dispenser provided with a shell in two parts connected together by a joint. Passing the connection line through the opening of the shell, we can thus arrange the flexible pocket inside of one of the two hull parts and complete the hull by closing it with the other part. The two shell parts hold a pocket support between them which is welded a pocket. A distribution head incorporating a pump is mounted on the two shell parts using a screw ring. To do this, the two parts of shell together form an opening in the form of an externally threaded neck. The screwing the ring onto this two-part collar has the effect of holding the two parts of shell together. At the same time, the screwing of the ring has the other effect of pressing Hermetically sealed the pump inlet on the pocket support. Therefore, the simple unscrewing the ring releases the two shell parts which can then be opened by pivoting to extract the pocket with its support. It should be noted that the ring is not attached to the pocket holder. This is explained by the fact that this is a rechargeable dispenser in which the bag is intended to be replaced. Fixation of the head on the shell and on the pocket support must therefore not be final. It is why the fastening technique chosen is screwing, which is easily reversible. he the same is true in document US Pat. No. 5,474,212 in which the dispensing head is screwed on the pocket support, the two articulated shell parts not cooperating with the fixing ring so that they can be opened at any time.

Ces distributeurs rechargeables, que l'on utilise pour les produits ménagers, n'offrent pas une grande sécurité de premier usage du fait qu'il est très facile d'en extraire la poche souple contenant le produit.These refillable dispensers, which we use for household products, do not offer a great security of first use because it is very easy to extract the flexible bag containing the product.

Le but de la présente invention est de réaliser un distributeur non rechargeable à poche souple dont le montage de la bague de fixation est définitif.The object of the present invention is to provide a non-refillable dispenser with flexible pocket, the mounting of the fixing ring is final.

Pour ce faire, la présente invention propose un distributeur de produit fluide comprenant :

  • une poche souple contenant ledit produit fluide et pourvue d'une ouverture,
  • un organe de distribution, tel qu'une pompe pour prélever du produit contenu dans la poche souple à travers ladite ouverture,
  • une coque entourant ladite poche et pourvue d'une ouverture coïncidant avec celle de la poche souple, ladite coque étant réalisée en deux parties raccordées l'une à l'autre le long d'une ligne de raccordement passant à travers l'ouverture de ladite coque de sorte que chaque partie de coque forme une partie de l'ouverture de la coque,
  • un support de poche auquel l'ouverture de la poche souple est fixée, ledit support étant maintenu en position entre les deux parties de coque au niveau de l'ouverture de la coque,
  • une bague de fixation de l'organe de distribution,
la bague de fixation comprenant :
  • une couronne de fixation encliquetée sur le support de poche, et
  • une couronne de maintien engagée sur l'ouverture de la coque pour maintenir les deux parties de coque ensemble.
To do this, the present invention provides a fluid dispenser comprising:
  • a flexible pocket containing said fluid product and provided with an opening,
  • a dispensing member, such as a pump for withdrawing product contained in the flexible bag through said opening,
  • a shell surrounding said pocket and provided with an opening coinciding with that of the flexible pocket, said shell being made in two parts connected to each other along a connection line passing through the opening of said shell so that each shell part forms part of the opening of the shell,
  • a pocket support to which the opening of the flexible pocket is fixed, said support being held in position between the two shell parts at the opening of the shell,
  • a distribution member fixing ring,
the fixing ring comprising:
  • a fixing crown snapped onto the pocket support, and
  • a retaining ring engaged on the opening of the shell to hold the two shell parts together.

En encliquetant la bague sur le support de poche et en verrouillant simultanément les deux parties de coque ensemble, il est impossible d'ouvrir ensuite la coque pour en extraire la poche souple. Le distributeur est indivisible puisque indémontable. L'encliquetage est une fixation définitive à l'inverse du vissage : ils ne sont donc pas équivalents dans ce cas d'application.By snapping the ring onto the pocket support and simultaneously locking the two parts of the hull together, it is then impossible to open the hull in order to extract the flexible pouch. The distributor is indivisible since it cannot be dismantled. The snap-fastening is a definitive fixing unlike the screwing: they are therefore not equivalent in this application case.

Avantageusement, les deux parties de coque comprennent des moyens d'assemblage situés du côté opposé à l'ouverture. De préférence, les moyens d'assemblage comprennent deux systèmes d'encliquetage du type mâle-femelle, chaque partie de coque formant un connecteur mâle et un connecteur femelle destinés à coopérer respectivement avec un connecteur femelle et un connecteur mâle formés par l'autre partie de coque. Avantageusement, les deux parties forment deux demi-coques identiques.Advantageously, the two shell parts comprise means on the side opposite the opening. Preferably, the means assembly systems include two male-female type latching systems, each shell part forming a male connector and a female connector intended for cooperate respectively with a female connector and a male connector formed by the other part of the hull. Advantageously, the two parts form two half-shells identical.

En outre, pour faciliter l'assemblage des deux parties de coque, les parties de coque comprennent au niveau de leur ligne de raccordement des moyens d'alignement et de centrage pour assurer un raccordement parfaitement aligné des deux parties de coque.In addition, to facilitate the assembly of the two shell parts, the parts of shell include alignment means at their connection line and centering to ensure a perfectly aligned connection of the two parts of shell.

Selon une forme de réalisation originale, au moins une partie de la coque est formée avec une fenêtre au travers de laquelle la poche souple est visible. Lorsque les deux parties de coque sont percées d'une fenêtre, la coque se présente sous la forme d'un cadre entourant la poche souple.According to an original embodiment, at least part of the shell is formed with a window through which the flexible pocket is visible. When the two shell parts are pierced with a window, the shell is in the form of a frame surrounding the flexible pocket.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemple non limitatif un mode de réalisation de la présente 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 present invention.

Sur les dessins :

  • la figure 1 est une vue en perspective éclatée d'un distributeur de produit fluide selon l'invention, la poche souple n'étant pas représentée pour une question de clarté,
  • la figure 2 est une vue en perspective au cours de l'opération de montage du distributeur de la figure 1,
  • la figure 3 est une vue en perspective du distributeur de produit fluide des figures 1 et 2 à l'état monté,
  • la figure 4 est une vue en coupe transversale verticale à travers le distributeur de produit fluide des figures 1 à 3,
  • la figure 5 est une vue agrandie d'un détail de la figure 4, et
  • la figure 6 est une vue en perspective éclatée d'un distributeur de produit fluide selon un second mode de réalisation.
In the drawings:
  • FIG. 1 is an exploded perspective view of a fluid dispenser according to the invention, the flexible bag not being shown for the sake of clarity,
  • FIG. 2 is a perspective view during the assembly operation of the dispenser of FIG. 1,
  • FIG. 3 is a perspective view of the fluid dispenser of FIGS. 1 and 2 in the assembled state,
  • FIG. 4 is a vertical cross-section view through the fluid dispenser of FIGS. 1 to 3,
  • FIG. 5 is an enlarged view of a detail of FIG. 4, and
  • Figure 6 is an exploded perspective view of a fluid dispenser according to a second embodiment.

Un distributeur de produit fluide selon l'invention comprend trois éléments constitutifs essentiels, à savoir une poche souple 3 (fig. 4) contenant du produit fluide, une pompe sans reprise d'air 5 coiffée d'un bouton-poussoir 51, une coque 1 entourant la poche souple 3, et une bague de fixation 4 servant à fixer la pompe sur la poche.A fluid dispenser according to the invention comprises three elements essential components, namely a flexible bag 3 (fig. 4) containing fluid, a pump without air intake 5 capped with a push button 51, a shell 1 surrounding the flexible pocket 3, and a fixing ring 4 used to fix the pump on the pocket.

La conception particulière de la pompe 5 n'est pas essentielle pour la présente invention : il est toutefois préférable et même pratiquement nécessaire qu'elle soit du type sans reprise d'air (airless) pour pouvoir bénéficier des propriétés élastiques de la poche souple 3 qui permet une réduction de sa contenance à mesure que du produit est distribué, évitant ainsi au produit contenu à l'intérieur de venir en contact avec l'air ambiant. La structure interne de la pompe ne sera donc pas décrite.The particular design of the pump 5 is not essential for the present invention: it is however preferable and even practically necessary that it be of type without air intake (airless) to be able to benefit from the elastic properties of the flexible pocket 3 which allows a reduction in its capacity as the product is distributed, thus preventing the product contained inside from coming into contact with air ambient. The internal structure of the pump will therefore not be described.

La poche souple 3 est de préférence réalisée à partir de deux feuilles laminées soudées ensemble de manière étanche excepté au niveau d'une ouverture 31 destinée à être fixée avantageusement par thermosoudage soit directement sur le corps de la pompe 5 soit sur un support de poche 2 comme cela est représenté sur les figures. La structure détaillée du support et sa fonction seront données ci-après.The flexible pocket 3 is preferably made from two laminated sheets welded together tightly except at an opening 31 intended for advantageously be fixed by heat sealing either directly on the pump body 5 or on a pocket support 2 as shown in the figures. The structure detailed support and its function will be given below.

La coque 1 est selon l'invention réalisée en deux parties 11 et 12 qui une fois assemblées partagent une ligne de raccordement qui s'étend dans un plan vertical lorsque l'on tient le distributeur debout. La coque 1 qui peut être sensiblement rigide présente à son extrémité supérieure une ouverture 13 à travers laquelle la pompe 5 est en liaison avec la poche souple 3 installée à l'intérieur de la coque 1. Selon une caractéristique particulièrement avantageuse, la ligne de raccordement des deux parties 11 et 12 de la coque 1 s'étend à travers ladite ouverture 13 de sorte que chaque partie de coque définit une partie de l'ouverture 13 comme on peut le voir sur la figure 1. Au niveau de l'ouverture 13, chaque partie de coque 11, 12 définit une partie de collerette 111, 121 qui une fois assemblée constitue une collerette cylindrique complète. Ces parties de collerette 111, 121 font saillie vers le haut à partir de brides 113, 123 qui serviront en combinaison avec des brides complémentaires 114, 124 de logement de fixation pour le support 2 comme on le verra ci-après. Les deux parties de coque 11, 12 peuvent être réalisées séparément par exemple par moulage plastique, et ensuite assemblées. Les deux parties de coque 11 et 12 peuvent aussi être reliées par une articulation 10 par exemple au niveau de leur bord opposé à l'ouverture 13 comme on peut le voir sur la figure 1. Selon cette forme de réalisation, les deux parties de coque 11 et 12 sont moulées ensemble de manière monobloc et simplement reliées par des ponts de matière d'épaisseur plus fine 10, qui font fonction d'articulation. Ainsi, la totalité de la coque 1 peut être moulée en une seule opération. Que les deux parties de coque 11 et 12 soient reliées ou séparées, on peut prévoir au niveau de leur ligne de raccordement commune 14 des moyens d'alignement et de centrage 112, 122 sous la forme de picots 112 qui viennent s'insérer à l'intérieur de trous 122 réalisés dans l'autre partie de coque. On assure ainsi un raccordement parfaitement aligné des deux parties de coque 11 et 12. Simultanément, on assure que l'ouverture 13 est parfaitement formée par les deux collerettes 111 et 121 des deux coques 11 et 12.The shell 1 is according to the invention produced in two parts 11 and 12 which once assemblies share a connecting line that extends in a vertical plane when holding the dispenser upright. The shell 1 which can be substantially rigid has at its upper end an opening 13 through which the pump 5 is in connection with the flexible bag 3 installed inside the shell 1. According to a particularly advantageous feature, the connection line of the two parts 11 and 12 of the shell 1 extends through said opening 13 so that each part of shell defines part of the opening 13 as can be seen in Figure 1. Au level of the opening 13, each shell part 11, 12 defines a flange part 111, 121 which once assembled constitutes a complete cylindrical collar. These flange parts 111, 121 protrude upwards from flanges 113, 123 which will be used in combination with complementary flanges 114, 124 to house fixing for support 2 as will be seen below. The two shell parts 11, 12 can be made separately for example by plastic molding, and then assemblies. The two shell parts 11 and 12 can also be connected by a articulation 10 for example at their edge opposite the opening 13 as we can see it in Figure 1. According to this embodiment, the two shell parts 11 and 12 are molded together in one piece and simply connected by bridges of finer thickness material 10, which act as a hinge. So all of the shell 1 can be molded in a single operation. That the two hull parts 11 and 12 are connected or separated, one can provide at their connection line common 14 alignment and centering means 112, 122 in the form of pins 112 which are inserted inside holes 122 made in the other shell part. This ensures a perfectly aligned connection of the two shell parts 11 and 12. Simultaneously, it is ensured that the opening 13 is perfectly formed by the two flanges 111 and 121 of the two shells 11 and 12.

Comme susmentionné, la poche souple 3 peut être directement soudée sur le corps de la pompe 5. On peut dans ce cas imaginer un corps de pompe définissant un manchon de raccordement sur lequel l'ouverture 31 de la poche souple est soudée. Le maintien de la pompe 5 et de sa poche 3 associée peut alors simplement être réalisé en refermant les deux parties de coque 11 et 12 sur le corps de la pompe de manière à la maintenir dans l'ouverture 13. La fermeture définitive de la coque 1 peut par exemple être réalisée par quelques points de soudage au niveau de sa ligne de raccordement 14.As mentioned above, the flexible pocket 3 can be directly welded to the body of the pump 5. In this case, we can imagine a pump body defining a connection sleeve on which the opening 31 of the flexible bag is welded. The maintaining the pump 5 and its associated pocket 3 can then simply be achieved by closing the two shell parts 11 and 12 on the pump body so as to keep in the opening 13. The final closing of the shell 1 can for example be made by a few welding points at its connection line 14.

Toutefois, dans les exemples utilisés pour illustrer la présente invention, on se sert d'un support de poche 2 qui permet de réaliser la liaison entre la poche 3 et la pompe 5. Dans ce cas, le support de poche 2 est coincé dans l'ouverture 13 des deux parties de coques 11 et 12 comme on peut le voir sur les figures 1 et 2. Plus précisément, le support de poche 2 comprend un manchon de raccordement 21 sur lequel l'ouverture de la poche 31 est fixée, par exemple par thermosoudage, une douille 22 qui fait saillie vers le haut et sur laquelle vient reposer la pompe 5, et une plaque 23 s'étendant horizontalement autour de la douille 22 et du manchon 21 au niveau de leur jonction. Une ouverture de passage est définie à travers le manchon 21, la plaque 23 et la douille 22 pour faire communiquer l'ouverture 31 de la poche souple 3 et l'entrée de la pompe 5 comme on peut le voir sur la figure 4. Pour le maintien du support de poche 2 sur la coque 1, on se sert de la plaque 23 dont les bords longs latéraux viennent se loger dans l'espace défini entre les deux brides 113 et 114 d'une part et 123, 124 d'autre part, comme on peut le voir sur la figure 4. Une fois refermées, les deux demi-coques 11 et 12, qui sont sensiblement identiques, maintiennent parfaitement le support de poche 2 entre elles.However, in the examples used to illustrate the present invention, use is made a pocket support 2 which makes it possible to make the connection between the pocket 3 and the pump 5. In this case, the pocket support 2 is stuck in the opening 13 of the two parts of shells 11 and 12 as can be seen in Figures 1 and 2. More specifically, the support pocket 2 comprises a connection sleeve 21 on which the opening of the pocket 31 is fixed, for example by heat sealing, a socket 22 which projects towards the high and on which the pump 5 rests, and a plate 23 extending horizontally around the sleeve 22 and the sleeve 21 at their junction. A passage opening is defined through the sleeve 21, the plate 23 and the sleeve 22 to communicate the opening 31 of the flexible bag 3 and the inlet of the pump 5 as can be seen in Figure 4. For maintaining the pocket support 2 on the shell 1, the plate 23 is used, the long lateral edges of which are housed in the space defined between the two flanges 113 and 114 on the one hand and 123, 124 on the other hand, as can be seen in FIG. 4. Once closed, the two half-shells 11 and 12, which are substantially identical, perfectly maintain the pocket support 2 between they.

On notera qu'il est particulièrement aisé de mettre en place le support 2 équipé de la poche souple 3 à l'intérieur des demi-coques 11 et 12 étant donné que l'ouverture est maximale et non plus limitée à la seule ouverture 13 comme c'est le cas dans les dispositifs de l'art antérieur. Une fois le support 2 et la poche souple installés dans la coque 1, il suffit de remplir la poche de produit fluide puis de monter la pompe 5 sur le support 2. Pour ce faire, on utilise la bague de fixation 4 qui permet un encliquetage définitif de la pompe 5 sur la douille 22. En se référant plus particulièrement à la figure 5 qui montre de manière agrandie les différentes fixations mutuelles des éléments constitutifs du distributeur, on peut voir que la bague de fixation 4 est reliée dans cet exemple de réalisation de manière monobloc avec le corps de la pompe 5. Il est également envisageable et même plus conventionnel d'utiliser une bague de fixation 4 qui soit entièrement séparée de la pompe 5. La bague de fixation 4 comprend une couronne de fixation 42 qui définit un logement d'encliquetage entre une surface 422 et un cordon d'encliquetage 421 qui coopèrent avec la douille 22 avantageusement par l'interposition d'un joint d'étanchéité 6. Pour ce faire, la douille 22 est pourvue à son extrémité supérieure d'un bourrelet 221 qui fait saillie vers l'extérieur. Le cordon d'encliquetage 422 est adapté à venir se loger en dessous du bourrelet saillant 221 de la douille 22 en écrasant le joint 6 entre l'extrémité de la douille 22 et la surface d'appui 422 formée par la couronne de fixation 42. Lorsque la bague de fixation est séparée de la pompe 5, le corps de pompe 5 définit une collerette que l'on vient coincer entre la surface 422 et le joint 6. De cette manière, on réalise une fixation sure de la pompe 5 sur la douille 22 du support de poche 2.Note that it is particularly easy to set up the support 2 equipped with the flexible pocket 3 inside the half-shells 11 and 12 since the opening is maximum and no longer limited to the single opening 13 as is the case in prior art devices. Once the support 2 and the flexible bag are installed in the shell 1, just fill the bag with fluid and then mount the pump 5 on the support 2. To do this, use the fixing ring 4 which allows a snap-fastening final pump 5 on the sleeve 22. With particular reference to Figure 5 which shows in an enlarged way the different mutual fixations of the elements constitutive of the distributor, it can be seen that the fixing ring 4 is connected in this example of a monobloc embodiment with the pump body 5. It is also possible and even more conventional to use a fixing ring 4 which is completely separate from the pump 5. The fixing ring 4 comprises a fixing ring 42 which defines a latching housing between a surface 422 and a snap-on cord 421 which cooperates with the socket 22 advantageously by the interposition of a seal 6. To do this, the sleeve 22 is provided at its upper end of a bead 221 which projects outwards. Cord snap 422 is adapted to be housed below the protruding bead 221 of the socket 22 by crushing the seal 6 between the end of the socket 22 and the bearing surface 422 formed by the fixing ring 42. When the fixing ring is separated from the pump 5, the pump body 5 defines a collar which is wedged between the surface 422 and the seal 6. In this way, the pump 5 is securely fixed to the socket 22 of the pocket support 2.

En outre, la bague de fixation 4 incorpore une couronne de maintien 41 qui permet de verrouiller les deux parties de coque 11 et 12 ensemble sans qu'il soit nécessaire de réaliser des points de soudure au niveau de leur ligne de raccordement 14. Cette couronne de maintien 41 vient en prise sur l'extérieur de la collerette 111, 121 des deux parties de coque 11 et 12 qui forment l'ouverture 13. En maintenant ainsi ces deux parties de collerette 111 et 121, les deux demi-coques 11 et 12 sont parfaitement verrouillées.In addition, the fixing ring 4 incorporates a retaining ring 41 which allows the two shell parts 11 and 12 to be locked together without the need to make weld points at their connection line 14. This retaining ring 41 engages on the outside of the collar 111, 121 of the two shell parts 11 and 12 which form the opening 13. By thus maintaining these two flange parts 111 and 121, the two half-shells 11 and 12 are perfectly locked.

Ainsi, à l'aide d'une seule pièce, qui de surcroít peut être réalisée de manière monobloc avec la pompe 5, on réalise à la fois la fixation définitive de la pompe sur le support 2 et le verrouillage des deux parties de coque 11 et 12 ensemble qui permettent le maintien du support de poche 2 dans la coque rigide 1.Thus, using a single piece, which in addition can be made so monobloc with pump 5, both final fixing of the pump on the support 2 and the locking of the two shell parts 11 and 12 together which allow maintaining the pocket support 2 in the rigid shell 1.

Dans la première forme de réalisation représentée sur les figures 1 à 3, les deux parties de coque, une fois refermées, renferment la poche souple qui n'est alors plus visible si la coque est réalisée en un matériau opaque.In the first embodiment shown in Figures 1 to 3, the two shell parts, once closed, enclose the flexible pocket which is then no longer visible if the shell is made of an opaque material.

Dans la seconde forme de réalisation représentée sur la figure 6, les deux parties de coque forment chacune un cadre ou carcan définissant à l'intérieur une large fenêtre 115, 125 à travers laquelle la poche souple 3 est visible. Une ou avantageusement les deux parties de coque peuvent être formées avec une telle fenêtre. Le terme coque doit donc être ici interprété dans un sens large.In the second embodiment shown in Figure 6, the two parts hull each form a frame or yoke defining inside a large window 115, 125 through which the flexible pocket 3 is visible. One or advantageously two shell parts can be formed with such a window. The term hull must therefore be here interpreted in a broad sense.

La coque ne fait alors qu'entourer ou encadrer la poche souple. La poche peut être prise sur son pourtour entre les deux parties de cadre de la coque. La poche peut être maintenue au niveau de son fond 33 entre les deux parties de cadre. Pour ce faire, le fond de la poche est percé de deux trous 34, et les parties de cadre sont formées avec un système de tétons 104, 105 destinés à passer à travers les trous 34 pour ainsi tenir la poche. Cette dernière n'est maintenue qu'au niveau de son fond 33, les bords latéraux 32, bien que disposés entre les parties de cadre, étant libres de mouvement pour permettre à la poche de varier de volume.The shell then only surrounds or frames the flexible pocket. The pocket can be taken on its periphery between the two frame parts of the hull. The pocket can be maintained at its bottom 33 between the two frame parts. To do this, the bottom of the pocket is pierced with two holes 34, and the frame parts are formed with a system of nipples 104, 105 intended to pass through the holes 34 so as to hold the poached. The latter is only maintained at its bottom 33, the lateral edges 32, although arranged between the frame parts, being free of movement for allow the bag to vary in volume.

Une autre particularité de ce mode de réalisation vient de la technique d'assemblage des deux parties de coque. En effet, alors que dans l'autre mode de réalisation, les deux parties de coque sont articulées, elles sont ici assemblées au moyen de systèmes d'encliquetage mâle-femelle 101, 102. Chaque partie de coque peut par exemple former, au niveau de son fond, opposé à l'ouverture 13, un oeil 101 et un téton 102 ; le téton d'une partie de coque étant adapté à venir se loger par encliquetage dans l'oeil de l'autre partie de coque, et vice-versa. Les deux parties de coque peuvent alors être parfaitement identiques, d'où une économie en outillage de moule. Un tel système d'assemblage ou similaire peut bien entendu être mis en oeuvre dans le mode de réalisation précédent à la place de l'articulation.Another feature of this embodiment comes from the technique assembly of the two hull parts. Indeed, while in the other mode of realization, the two shell parts are articulated, they are assembled here by means of male-female snap-in systems 101, 102. Each part of the shell can by example form, at its bottom, opposite the opening 13, an eye 101 and a nipple 102; the nipple of a shell part being adapted to be housed by snap-fastening in the eye of the other hull part, and vice versa. The two hull parts can then be perfectly identical, hence an economy in mold tooling. Such a system assembly or the like can of course be implemented in the mode of previous realization in place of the joint.

Claims (7)

  1. A fluid dispenser comprising:
    a flexible pouch (3) containing said fluid and provided with an opening (31);
    a dispensing member (5) such as a pump for drawing off fluid contained in the flexible pouch through said opening;
    a shell (1) surrounding said pouch (3) and provided with an opening (13) that coincides with the opening (31) of the flexible pouch, said shell (1) being made in two portions (11, 12) connected together along a connection line (14) passing through the opening (13) in said shell so that each shell portion (11, 12) forms a portion of the opening in the shell;
    a pouch support (2) to which the opening (31) in the flexible pouch (3) is fixed, said support being held in position between the two shell portions (11, 12) at the opening (13) in the shell; and
    a fixing ring (4) for fixing the dispensing member, comprising a holding band portion (41) engaged over the opening in the shell to hold the two shell portions together;
       said dispenser being characterized in that the fixing ring also comprises:
    a fixing band portion (42) snap-fastened onto the pouch support.
  2. A dispenser according to claim 1, in which the two shell portions (11, 12) are provided with assembly means (101, 102) situated on the side opposite from the opening (13).
  3. A dispenser according to claim 2, in which the assembly means comprise two snap-fastening systems (101, 102) of the male-female type, each shell portion forming a male connector (102) and a female connector (101) that serve to co-operate respectively with a female connector (101) and with a male connector (102) formed by the other shell portion.
  4. A dispenser according to any preceding claim, in which the two portions (11, 12) form two identical half-shells.
  5. A dispenser according to any preceding claim, in which, at their connection line (14) the shell portions (11, 12) are provided with alignment and centering means (112, 122) for guaranteeing that the two shell portions are connected together in proper alignment.
  6. A dispenser according to any preceding claim, in which at least one portion (11, 12) of the shell is provided with a window via which the flexible pouch is visible.
  7. A dispenser according to claim 6, in which the shell is in the form of a frame surrounding the flexible pouch.
EP00920839A 1999-04-23 2000-04-19 Product dispenser with a flexible pouch Expired - Lifetime EP1173289B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9905888 1999-04-23
FR9905888A FR2792622B1 (en) 1999-04-23 1999-04-23 FLEXIBLE POCKET FLUID PRODUCT DISPENSER
PCT/FR2000/001019 WO2000064594A1 (en) 1999-04-23 2000-04-19 Product dispenser with a flexible pouch

Publications (2)

Publication Number Publication Date
EP1173289A1 EP1173289A1 (en) 2002-01-23
EP1173289B1 true EP1173289B1 (en) 2003-07-09

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EP00920840A Withdrawn EP1177051A1 (en) 1999-04-23 2000-04-19 Dispenser with a visible flexible pouch

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JP (1) JP4257037B2 (en)
DE (1) DE60003804T2 (en)
ES (1) ES2200864T3 (en)
FR (1) FR2792622B1 (en)
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ES2200864T3 (en) 2004-03-16
FR2792622B1 (en) 2001-07-06
WO2000064595A1 (en) 2000-11-02
FR2792622A1 (en) 2000-10-27
JP4257037B2 (en) 2009-04-22
JP2002542992A (en) 2002-12-17
EP1177051A1 (en) 2002-02-06
WO2000064594A1 (en) 2000-11-02
DE60003804T2 (en) 2004-07-29
DE60003804D1 (en) 2003-08-14
US6619505B1 (en) 2003-09-16
US6510965B1 (en) 2003-01-28
EP1173289A1 (en) 2002-01-23

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