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EP1173289A1 - Product dispenser with a flexible pouch - Google Patents

Product dispenser with a flexible pouch

Info

Publication number
EP1173289A1
EP1173289A1 EP00920839A EP00920839A EP1173289A1 EP 1173289 A1 EP1173289 A1 EP 1173289A1 EP 00920839 A EP00920839 A EP 00920839A EP 00920839 A EP00920839 A EP 00920839A EP 1173289 A1 EP1173289 A1 EP 1173289A1
Authority
EP
European Patent Office
Prior art keywords
shell
opening
parts
pocket
flexible
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
EP00920839A
Other languages
German (de)
French (fr)
Other versions
EP1173289B1 (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

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
    • B05B11/1042—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
    • B05B11/10—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

  • Fluid product dispenser with flexible pocket
  • the present invention relates to a fluid dispenser comprising a flexible bag containing said fluid, a dispensing member such as a pump for withdrawing fluid from the flexible bag and an advantageously rigid shell in which the flexible bag is installed.
  • a dispensing member such as a pump for withdrawing fluid from the flexible bag
  • an advantageously rigid shell in which the flexible bag is installed.
  • the flexible bag 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 being often fixed on the rigid shell.
  • the sleeve is fixed to the rigid shell by snap-fastening.
  • the rigid shell defines an opening through which we must insert the flexible pocket connected to the sleeve.
  • the sleeve can then be snapped onto the opening of the rigid shell. It then suffices to fill the flexible bag with fluid and to mount the pump without air intake on the transition sleeve. This constitutes the most classic technique of the prior art.
  • the rigid shell consists of two parts, but whose connection line extends horizontally when the distributor is held upright.
  • a dispenser is for example described in the document FR-2 081 244.
  • the document EP-0 447 687 describes a dispenser provided with a shell in two parts connected together by an articulation. By passing the connection line through the opening of the shell, one can thus arrange the flexible pocket inside one of the two shell parts and complete the shell by closing it with the other part.
  • the two shell parts hold together a pocket support on which a pocket is welded.
  • 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.
  • Screwing the ring onto this two-part collar has the effect of holding the two shell parts together.
  • the screwing of the ring has the other effect of hermetically pressing the inlet of the pump on the pocket support. Consequently, the simple unscrewing of the ring frees the two shell parts which can then be opened by pivoting to extract the pocket with its support.
  • the ring is not fixed to the pocket support. This is explained by the fact that this is a refillable dispenser in which the pocket is intended to be replaced.
  • the fixing of the head on the shell and on the pocket support must therefore not be final. This is why the fastening technique chosen is screwing, which is easily reversible.
  • the dispensing head is screwed onto the pocket support, the two articulated shell parts not cooperating with the fixing ring so that they can be opened to any time.
  • the object of the present invention is to provide a non-refillable dispenser with a flexible bag, the mounting of the fixing ring of which is final.
  • the present invention provides a fluid dispenser comprising: a flexible bag containing said fluid and provided with an opening, a dispensing member, such as a pump for withdrawing the 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 level of the opening of the shell, a fixing ring for the dispensing member, the fixing ring comprising: a fixing ring snapped onto the pocket support, and a retaining ring engaged on the opening of the shell to hold the two shell parts together.
  • the snap-fastening is a definitive fixing unlike the screwing: they are therefore not equivalent in this case of application.
  • the two shell parts comprise assembly means located on the side opposite to the opening.
  • the assembly means comprise two male-female type encasing systems, each shell part forming a male connector and a female connector intended to cooperate respectively with a female connector and a male connector formed by the other part. hull.
  • the two parts form two identical half-shells.
  • the shell parts comprise, at their connection line, alignment and centering means to ensure a perfectly aligned connection of the two shell parts.
  • 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.
  • FIG. 1 is an exploded perspective view of a fluid dispenser according to the invention, the flexible pouch not being shown for clarity
  • FIG. 2 is a perspective view during of 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
  • Figure 4 is a vertical cross-sectional view through the fluid dispenser of Figures 1 to 3
  • Figure 5 is an enlarged view of a detail of Figure 4
  • Figure 6 is an exploded perspective view of 'a fluid dispenser according to a second embodiment.
  • a fluid dispenser according to the invention comprises three essential constituent elements, 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 bag 3, and a fixing ring 4 used to fix the pump on the bag.
  • 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 the type without air intake (airless) in order to be able to benefit from the elastic properties of the flexible bag 3 which allows a reduction in its capacity as the product is distributed, thus preventing the product contained inside from coming into contact with the ambient air.
  • the internal structure of the pump will therefore not be described.
  • the flexible bag 3 is preferably made from two laminated sheets welded together in a sealed manner except at the level of an opening 31 intended to be advantageously fixed by heat sealing, either directly on the body of the pump.
  • the shell 1 is according to the invention produced in two parts 11 and 12 which once assembled share a connection line which extends in a vertical plane when the dispenser is held 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 shell part defines a part of the opening 13 as can be seen in FIG. 1.
  • each shell part 11, 12 defines a flange part 111, 121 which once assembled constitutes a complete cylindrical flange.
  • the two shell parts 11, 12 can be produced separately, for example by plastic molding, and then assemblies.
  • the two shell parts 11 and 12 can also be connected by a hinge 10, for example at their edge opposite the opening 13 as can be seen in FIG. 1.
  • the two shell parts 11 and 12 are molded together in a single piece and simply connected by bridges of thinner material 10, which act as a hinge.
  • the entire shell 1 can be molded in a single operation.
  • alignment and centering means 111, 122 can be provided at their common connection line 14, in the form of pins 112 which are inserted at the 'interior of holes 122 made in the other shell part. This ensures a perfectly aligned connection of the two shell parts 11 and 12. Simultaneously, it ensures that the opening 13 is perfectly formed by the two flanges 111 and 121 of the two shells 11 and 12.
  • the flexible bag 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. 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 it in the opening 13.
  • the final closure of the shell 1 fear for example to be produced by a few welding points at its connection line 14.
  • This version constitutes an alternative embodiment.
  • a 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 shell parts 11 and 12 as can be seen in FIGS. 1 and 2.
  • the pocket support 2 comprises a connection sleeve 21 on which the opening of the pocket 31 is fixed, by example by heat sealing, a sleeve 22 which sails upwards 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 FIG. 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 part, 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 them.
  • the fixing ring 4 comprises a fixing ring 42 which defines a casing housing between a surface 422 and a casing cord 421 which cooperate with the socket 22 advantageously by the interposition of a seal 6.
  • the dou ille 22 is provided at its upper end with a bead 221 which projects outwards.
  • the encasing cord 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 4 incorporates in this embodiment a retaining ring 41 which makes it possible to lock the two shell parts 11 and 12 together without it being necessary to make points weld at their connection line 14.
  • This retaining ring 41 engages on the outside of the flange 111, 121 of the two shell parts 11 and 12 which form the opening 13.
  • the two shell parts once closed, contain the flexible bag which is then no longer visible if the shell is made of an opaque material.
  • the two shell parts each form a frame or yoke defining inside a large window 115, 125 through which the flexible pocket 3 is visible.
  • the two shell parts can be formed with such a window.
  • the term shell should therefore be interpreted here 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 shell.
  • the pocket can be held 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 pins 104, 105 intended to pass through the holes 34 to thereby hold the pocket.
  • the latter is only maintained at its bottom 33, the lateral edges 32, although arranged between the frame parts, being free to move to allow the bag to vary in volume.
  • Another feature of this embodiment comes from the technique of assembling the two shell parts.
  • the two shell parts are articulated, they are here assembled by means of male-female cladding systems 101, 102.
  • Each shell part can for example form, at the level from its bottom, opposite the opening 13, an eye 101 and a stud 102; the nipple of a shell part being adapted to be housed by snap-fastening in the eye of the other shell part, and vice versa.
  • the two shell parts can then be perfectly identical, hence saving mold tooling.
  • Such an assembly system or the like can of course be implemented in the previous embodiment in place of the joint.

Landscapes

  • 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

Distributeur de produit fluide à poche souple. Fluid product dispenser with flexible pocket.
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. 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.The present invention relates to a fluid dispenser comprising a flexible bag containing said fluid, a dispensing member such as a pump for withdrawing fluid from the flexible bag and an advantageously rigid shell in which the flexible bag is installed. This type of distributor finds a preferred application in the field of cosmetics for the distribution of sensitive creams, in particular by exposure to the atmosphere. Indeed, the use of a flexible bag accompanied by a pump without air intake makes it possible to keep the fluid product out of contact with ambient air and thus avoid any oxidation or deterioration. There are already in the prior art many dispensers of this type using a flexible bag and a relatively rigid shell. In all these dispensers, the flexible bag 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 being often fixed on the rigid shell. In the latter case, where a transition sleeve is used, the sleeve is fixed to the rigid shell by snap-fastening. For this, the rigid shell defines an opening through which we must insert the flexible pocket connected to the sleeve. However, for this operation, it is necessary to fold the flexible pouch still empty in order 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. It then suffices to fill the flexible bag with fluid and to mount the pump without air intake on the transition sleeve. This constitutes the most classic technique of the prior art.
On connaît 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. 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.Distributors of this type are already known from the prior art in which the rigid shell consists of two parts, but whose connection line extends horizontally when the distributor is held upright. Such a dispenser is for example described in the document FR-2 081 244. The document EP-0 447 687 describes a dispenser provided with a shell in two parts connected together by an articulation. By passing the connection line through the opening of the shell, one can thus arrange the flexible pocket inside one of the two shell parts and complete the shell by closing it with the other part. The two shell parts hold together a pocket support on which a pocket is welded. 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. Screwing the ring onto this two-part collar has the effect of holding the two shell parts together. At the same time, the screwing of the ring has the other effect of hermetically pressing the inlet of the pump on the pocket support. Consequently, the simple unscrewing of the ring frees 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 fixed to the pocket support. This is explained by the fact that this is a refillable dispenser in which the pocket is intended to be replaced. The fixing of the head on the shell and on the pocket support must therefore not be final. This is why the fastening technique chosen is screwing, which is easily reversible. The same is true in document US Pat. No. 5,474,212 in which the dispensing head is screwed onto the pocket support, the two articulated shell parts not cooperating with the fixing ring so that they can be opened to 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 are used for household products, do not offer great security for first use because it is very easy to extract the flexible pouch 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 a flexible bag, the mounting of the fixing ring of which 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 bag containing said fluid and provided with an opening, a dispensing member, such as a pump for withdrawing the 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 level of the opening of the shell, a fixing ring for the dispensing member, the fixing ring comprising: a fixing ring 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.By snapping the ring on the pocket support and simultaneously locking the two shell parts together, it is impossible to then open the shell to extract the flexible pocket. The distributor is indivisible since it cannot be dismantled.
L' encliquetage est une fixation définitive à l'inverse du vissage : ils ne sont donc pas équivalents dans ce cas d'application.The snap-fastening is a definitive fixing unlike the screwing: they are therefore not equivalent in this case of application.
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'enchquetage 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. 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.Advantageously, the two shell parts comprise assembly means located on the side opposite to the opening. Preferably, the assembly means comprise two male-female type encasing systems, each shell part forming a male connector and a female connector intended to cooperate respectively with a female connector and a male connector formed by the other part. hull. Advantageously, the two parts form two identical half-shells. In addition, to facilitate the assembly of the two shell parts, the shell parts comprise, at their connection line, alignment and centering means to ensure a perfectly aligned connection of the two shell parts.
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 accompanying drawings which give 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 pouch not being shown for clarity, - FIG. 2 is a perspective view during of 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, Figure 4 is a vertical cross-sectional view through the fluid dispenser of Figures 1 to 3, Figure 5 is an enlarged view of a detail of Figure 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. 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.A fluid dispenser according to the invention comprises three essential constituent elements, 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 bag 3, and a fixing ring 4 used to fix the pump on the bag. 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 the type without air intake (airless) in order to be able to benefit from the elastic properties of the flexible bag 3 which allows a reduction in its capacity as the product is distributed, thus preventing the product contained inside from coming into contact with the ambient air. 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 pompeThe flexible bag 3 is preferably made from two laminated sheets welded together in a sealed manner except at the level of an opening 31 intended to be advantageously fixed by heat sealing, either directly on the body of the pump.
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.5 or on a pocket support 2 as shown in the figures. The detailed structure of the 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 sailhe 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 111, 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 assembled share a connection line which extends in a vertical plane when the dispenser is held 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 characteristic, the connection line of the two parts 11 and 12 of the shell 1 extends through said opening 13 so that each shell part defines a part of the opening 13 as can be seen in FIG. 1. At the opening 13 , each shell part 11, 12 defines a flange part 111, 121 which once assembled constitutes a complete cylindrical flange. These flange portions 111, 121 sail up from flanges 113, 123 which will be used in combination with complementary flanges 114, 124 for fixing housing for the support 2 as will be seen below. The two shell parts 11, 12 can be produced separately, for example by plastic molding, and then assemblies. The two shell parts 11 and 12 can also be connected by a hinge 10, for example at their edge opposite the opening 13 as can be seen in FIG. 1. According to this embodiment, the two shell parts 11 and 12 are molded together in a single piece and simply connected by bridges of thinner material 10, which act as a hinge. Thus, the entire shell 1 can be molded in a single operation. Whether the two shell parts 11 and 12 are connected or separated, alignment and centering means 111, 122 can be provided at their common connection line 14, in the form of pins 112 which are inserted at the 'interior of holes 122 made in the other shell part. This ensures a perfectly aligned connection of the two shell parts 11 and 12. Simultaneously, it ensures 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 peur par exemple être réalisée par quelques points de soudage au niveau de sa ligne de raccordement 14. Cette version constitue un mode de réalisation alternatif.As mentioned above, the flexible bag 3 can be directly welded to the body of the pump 5. In this case, it is possible to imagine a pump body defining a connection sleeve on which the opening 31 of the flexible bag is welded. 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 it in the opening 13. The final closure of the shell 1 fear for example to be produced by a few welding points at its connection line 14. This version constitutes an alternative embodiment.
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 sailhe 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, a pocket support 2 is used 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 shell parts 11 and 12 as can be seen in FIGS. 1 and 2. More specifically, the pocket support 2 comprises a connection sleeve 21 on which the opening of the pocket 31 is fixed, by example by heat sealing, a sleeve 22 which sails upwards 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 FIG. 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 part, 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 them.
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'enchquetage entre une surface 422 et un cordon d'enchquetage 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'enchquetage 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. En outre, la bague de fixation 4 incorpore dans ce mode de réalisation 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.Note that it is particularly easy to set up the support 2 fitted 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 this is the case in the devices of the prior art. Once the support 2 and the flexible pocket installed in the shell 1, it suffices to fill the pocket with fluid and then to mount the pump 5 on the support 2. To do this, use the fixing ring 4 which allows a snap-fastening final of the pump 5 on the sleeve 22. With particular reference to FIG. 5 which shows in an enlarged manner the different mutual fastenings of the constituent elements of the distributor, it can be seen that the fixing ring 4 is connected in this exemplary embodiment in one piece with the pump body 5. It is also possible and even more conventional to use a fixing ring 4 which is entirely separate from the pump 5. The fixing ring 4 comprises a fixing ring 42 which defines a casing housing between a surface 422 and a casing cord 421 which cooperate with the socket 22 advantageously by the interposition of a seal 6. To do this, the dou ille 22 is provided at its upper end with a bead 221 which projects outwards. The encasing cord 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 flange which is wedged between the surface 422 and the seal 6. In this way, a secure fixing of the pump 5 is carried out on the sleeve 22 of the pocket support 2. In addition, the fixing ring 4 incorporates in this embodiment a retaining ring 41 which makes it possible to lock the two shell parts 11 and 12 together without it being necessary to make points weld at their connection line 14. This retaining ring 41 engages on the outside of the flange 111, 121 of the two shell parts 11 and 12 which form the opening 13. Thus maintaining these two parts flange 111 and 121, the two half-shells 11 and 12 are perfectly locked.
Ainsi, à l'aide d'une seule pièce, qui de surcroît 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 produced in a single piece with the pump 5, the final fixing of the pump is simultaneously carried out on the support 2 and the locking of the two shell parts 11 and 12 together which allow the pocket support 2 to be held 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, contain the flexible bag 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 shell parts each form a frame or yoke defining inside a large window 115, 125 through which the flexible pocket 3 is visible. One or advantageously the two shell parts can be formed with such a window. The term shell should therefore be interpreted here 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 shell. The pocket can be held 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 pins 104, 105 intended to pass through the holes 34 to thereby hold the pocket. The latter is only maintained at its bottom 33, the lateral edges 32, although arranged between the frame parts, being free to move to 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'enchquetage 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'œil 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 œuvre dans le mode de réalisation précédent à la place de l'articulation. Another feature of this embodiment comes from the technique of assembling the two shell parts. Indeed, while in the other embodiment, the two shell parts are articulated, they are here assembled by means of male-female cladding systems 101, 102. Each shell part can for example form, at the level from its bottom, opposite the opening 13, an eye 101 and a stud 102; the nipple of a shell part being adapted to be housed by snap-fastening in the eye of the other shell part, and vice versa. The two shell parts can then be perfectly identical, hence saving mold tooling. Such an assembly system or the like can of course be implemented in the previous embodiment in place of the joint.

Claims

Revendications : Claims:
1.- Distributeur de produit fluide comprenant : une poche souple (3) contenant ledit produit fluide et pourvue d'une ouverture (31), un organe de distribution (5), tel qu'une pompe pour prélever du produit contenu dans la poche souple à travers ladite ouverture, une coque (1) entourant ladite poche (3) et pourvue d'une ouverture (13) coïncidant avec celle (31) de la poche souple, ladite coque (1) étant réahsée en deux parties (11, 12) raccordées l'une à l'autre le long d'une ligne de raccordement (14) passant à travers l'ouverture (13) de ladite coque de sorte que chaque partie (111, 121) de coque forme une partie de l'ouverture de la coque, un support de poche (2) auquel l'ouverture (31) de la poche souple (3) est fixée, ledit support étant maintenu en position entre les deux parties (11, 12) de coque au niveau de l'ouverture (13) de la coque, - une bague de fixation (4) de l'organe de distribution, caractérisé en ce que la bague de fixation comprend : 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. 1.- Fluid product dispenser comprising: a flexible pocket (3) containing said fluid product and provided with an opening (31), a distribution member (5), such as a pump for withdrawing product contained in the pocket flexible through said opening, a shell (1) surrounding said pocket (3) and provided with an opening (13) coinciding with that (31) of the flexible pocket, said shell (1) being repositioned in two parts (11, 12) connected to each other along a connection line (14) passing through the opening (13) of said shell so that each part (111, 121) of shell forms part of the opening of the shell, a pocket support (2) to which the opening (31) of the flexible pocket (3) is fixed, said support being held in position between the two parts (11, 12) of the shell at the opening (13) of the shell, - a fixing ring (4) of the dispensing member, characterized in that the fixing ring comprises: a fixing ring ation snapped onto the pocket support, and a retaining ring engaged on the opening of the shell to hold the two shell parts together.
2.- Distributeur selon la revendication 1, dans lequel les deux parties de coque2. A dispenser according to claim 1, in which the two shell parts
(11, 12) comprennent des moyens d'assemblage (101, 102) situés du côté opposé à l'ouverture (13).(11, 12) comprise assembly means (101, 102) located on the side opposite the opening (13).
3.- Distributeur selon la revendication 2, dans lequel les moyens d'assemblage comprennent deux systèmes d'enchquetage (101, 102) du type mâle-femelle, chaque partie de coque formant un connecteur mâle (102) et un connecteur femelle (101) destinés à coopérer respectivement avec un connecteur femelle (101) et un connecteur mâle (102) formés par l'autre partie de coque.3. A dispenser according to claim 2, in which the assembly means comprise two locking systems (101, 102) of the male-female type, each shell part forming a male connector (102) and a female connector (101 ) intended to cooperate respectively with a female connector (101) and a male connector (102) formed by the other shell part.
4.- Distributeur selon l'une quelconque des revendications précédentes, dans lequel les deux parties (11, 12) forment deux demi-coques identiques. 4. Dispenser according to any one of the preceding claims, in which the two parts (11, 12) form two identical half-shells.
5.- Distributeur selon la selon l'une quelconque des revendications précédentes, dans lequel les parties de coque (11, 12) comprennent au niveau de leur ligne de raccordement (14) des moyens d'alignement et de centrage (112, 122) pour assurer un raccordement parfaitement aligné des deux parties de coque.5. A dispenser according to any one of the preceding claims, wherein the shell parts (11, 12) comprise at their line of connection (14) of the alignment and centering means (112, 122) to ensure a perfectly aligned connection of the two shell parts.
6.- Distributeur selon l'une quelconque des revendications précédentes, dans lequel au moins une partie (11, 12) de la coque est formée avec une fenêtre au travers de laquelle la poche souple est visible.6. Dispenser according to any one of the preceding claims, in which at least a part (11, 12) of the shell is formed with a window through which the flexible bag is visible.
7.- Distributeur selon la revendication 6, dans lequel la coque se présente sous la forme d'un cadre entourant la poche souple. 7. A dispenser according to claim 6, wherein the shell is in the form of a frame surrounding the flexible bag.
EP00920839A 1999-04-23 2000-04-19 Product dispenser with a flexible pouch Expired - Lifetime EP1173289B1 (en)

Applications Claiming Priority (3)

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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

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

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EP00920839A Expired - Lifetime EP1173289B1 (en) 1999-04-23 2000-04-19 Product dispenser with a flexible pouch

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JP (1) JP4257037B2 (en)
DE (1) DE60003804T2 (en)
ES (1) ES2200864T3 (en)
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FR2792622A1 (en) 2000-10-27
DE60003804T2 (en) 2004-07-29
FR2792622B1 (en) 2001-07-06
JP4257037B2 (en) 2009-04-22
EP1173289B1 (en) 2003-07-09
WO2000064595A1 (en) 2000-11-02
EP1177051A1 (en) 2002-02-06
WO2000064594A1 (en) 2000-11-02
ES2200864T3 (en) 2004-03-16
JP2002542992A (en) 2002-12-17
US6510965B1 (en) 2003-01-28
DE60003804D1 (en) 2003-08-14
US6619505B1 (en) 2003-09-16

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