EP1363843B1 - Fluid product dispenser with flexible pouch and method for producing one such flexible pouch - Google Patents

Fluid product dispenser with flexible pouch and method for producing one such flexible pouch Download PDF

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Publication number
EP1363843B1
EP1363843B1 EP02704818A EP02704818A EP1363843B1 EP 1363843 B1 EP1363843 B1 EP 1363843B1 EP 02704818 A EP02704818 A EP 02704818A EP 02704818 A EP02704818 A EP 02704818A EP 1363843 B1 EP1363843 B1 EP 1363843B1
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EP
European Patent Office
Prior art keywords
opening
support
flexible pouch
pouch
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.)
Expired - Lifetime
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EP02704818A
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German (de)
French (fr)
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EP1363843A1 (en
Inventor
Laurent Decottignies
Yannick Herve
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AirlesSystems SAS
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AirlesSystems SAS
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Publication date
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Publication of EP1363843A1 publication Critical patent/EP1363843A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0061—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag
    • 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

Definitions

  • the present invention relates to a fluid dispenser comprising a flexible pouch of variable volume having an opening, a pocket holder having a fastening surface at which the opening of the flexible pouch is fixed, and a dispensing member such as a pump or a valve, mounted on the pocket support to be able to take fluid product through the opening of the flexible bag (see for example the document US-A-6065642).
  • a fluid dispenser such as can meet in the field of cosmetics, perfumery or from the pharmacy.
  • Soft bags are usually used to protect the fluid product of the ambient air and thus avoid any deterioration of the fluid product by oxidation or desiccation.
  • the user supports on the pusher of the dispensing member, which has the effect of delivering a a dose of fluid that is taken from the flexible bag by the pump or valve.
  • the pump or valve To prevent the fluid from coming into contact with air in the flexible pocket, it crashes on itself decreasing volume as you fluid is extracted from it by the pump or the valve.
  • the flexible pouch is fixed, often by welding, to the support of pocket on which the pump or valve is mounted.
  • the pocket support forms for this a fixation appendage which often has a diamond shape or look.
  • the welding attachment surfaces of the appendix of fastening are constituted by the outer walls of a cylinder, not circular, but in the shape of a diamond or an eye.
  • the bag is generally formed from two sheets flexible welded together on their peripheries, except at the level of the opening, so that the opening is formed by a non-welded zone together of the two leaves.
  • the two constituent sheets of the pocket are in contact with one another and the opening is closed in an unsealed manner.
  • This kind of flexible pouch is advantageous for distributors having an elongated vertical shape. Indeed, the flexible pouch, to present a certain capacity, must be sufficiently long, since between its state filled and empty, its height does not vary much.
  • the present invention aims to overcome this disadvantage of the art prior art by defining a fluid dispenser whose flexible pouch is particularly well suited for use in a pot-shaped dispenser.
  • the pocket flexible comprises two flexible sheets welded together on their periphery the along a weld line, the opening of the flexible pouch being located on a leaves.
  • the opening is located substantially in the center of one of the leaves.
  • the weld line of the two sheets extends in a plane substantially parallel to that of the mounting surface of the support of pocket.
  • the empty flexible pouch has a thickness almost zero in the direction of the longitudinal axis.
  • the support is used to cut the opening of the sheet, advantageously by punching.
  • the dispensing member 3 is a pump, but it could also have been be a valve.
  • the pump 3 comprises a pump body 30 defining a lower end 33 forming the inlet and an upper end forming a protruding collar 34.
  • the pump 3 comprises a rod actuator 31 which is movable in the pump body 30 along an axis
  • the end of the actuating rod 31 is capped by a pusher 32 which defines a dispensing orifice 35.
  • the pusher 32 is here in the form of a cup with the dispensing orifice 35 placed in its center in order to collect the product dispensed by the pump. Once the product distributed on the pusher 32, the user only has to collect it using one or more fingers. It is understood that such a pump 3 is more suitable the distribution of creams or pasty cosmetic products in general.
  • the pump 3 is advantageously a pump without air intake, it is at say that it does not allow the entrance of outside air inside the pump to as the fluid product is dispensed.
  • the pump 3 is received in a pocket holder 2 which comprises a substantially tubular sleeve 22 and an annular flange 21 which extends radially outwardly at the lower end of the sleeve 22.
  • the interior of the sleeve 22 is hollow and thus forms a through passage 23.
  • the sleeve 22 forms a receiving housing, advantageously by snap-fastening, to receive the protruding flange 34 of the pump body 30.
  • the pump 3 is thus fixed in the sleeve 22 with the body pump 30 extending into the passage 23.
  • the lower end 33 of the body of pump 30 which forms the inlet of the pump is advantageously located at the the lower end of the sleeve 22, as can be seen in Figure 1.
  • the sleeve 22 and the pump 3 have the same longitudinal axis A.
  • the sleeve 22 forms one or more anchoring profiles 221 whose function will be given below.
  • the flange 21 which extends radially outwardly from the lower end of the sleeve 22 has a substantially flat annular fixing surface which extends over one of the faces of the flange 21.
  • this plane fastening surface is located on the upper face 212 of the flange 21, that is to say on the face turned in direction of the sleeve 22.
  • this surface of ring fixation can be provided with reliefs that do not affect the configuration general plane of the surface.
  • These reliefs can for example be used to improve the quality of the fixation of the pocket. These reliefs may for example be heat-sealing ribs for melting at least partially during the welding the flexible pouch to the pocket support.
  • the lower face 211 of the flange 21 can also serve as a fastening surface instead of the face 212. However, when this lower face 211 does not serve as a fixing surface, it is not necessarily flat and can therefore have a relief not insignificant.
  • the lower face 211 is preferably also plane, and the thickness of the flange 21 is preferably relatively small, so that the flange is in the form of a low flat annular disk thickness pierced at its center by the through passage 23.
  • the pocket 1 is fixed to the pocket support 2 at the level of the surface of fixation, which is here the upper face 212. Since the fixing surface 212 is annular and flat and perpendicular to the longitudinal axis A, the pocket flexible 1 at its opening 121 is disposed flat and perpendicular to the longitudinal axis A. The part of the flexible pouch 1 bordering its opening 121 therefore extends flatly on the flange 21 around the sleeve 22 which protrudes through the opening 121. The flange 21 is therefore disposed within the flexible pouch 1 while the sleeve 22 extends to outside. Therefore, the passage 23 of the sleeve 22 communicates the inside of the flexible pouch through its opening 121 with the pump 3. More precisely, as can be seen in FIG. 1, the inlet 33 of the pump 3 is located at the opening 121 of the pocket 1.
  • the opening 121 of the pocket 1 is formed in a flexible sheet 12, preferably at its center.
  • This sheet 12 is connected to another sheet 11 along a peripheral link line 112.
  • the opening 121 is formed by the single sheet 12 and that the sheet It does not therefore participate in the formation of this opening 121.
  • the peripheral connecting line 112 common to the two sheets 11 and 12 extends in a plane parallel to the plane of the fastening surface 212 of the support pocket 2 and perpendicular to the longitudinal axis A. Therefore, a The volume of the bag 1 is increased largely by increase in height in the direction of axis A.
  • the flexible sheet 11 can come into contact with the underside 211 of the flange 21 so that the thickness of the pocket corresponds to the thickness cumulative of the two flexible sheets 11 and 12 and the flange 21 which is extremely flat. This is especially true when the flexible sheets are flat.
  • the thickness of the bag 1 in the empty state in the direction of the axis A can be of the order of 1 to 3 mm.
  • this flexible pouch 1 is particularly well suited for use in dispensers of fluid product which is in the form of pot and not vial. We can effect to have a relatively large capacity for the flexible pouch 1 with a relatively small pocket height in the direction of the A axis.
  • the dispenser also includes a hull 4 which includes a outer casing 40 cylindrical in Figure 1.
  • the shape outer shell 40 can be very varied depending on the aesthetic appearance that we want to give to the distributor. In the case of Figure 1, this is a dispenser in the form of pot, so that the outer casing 40 is not very high in relation to its diameter to give it the appearance of a pot.
  • the envelope 40 extends to the level of the pusher 32 of the pump 3 which can advantageously move inside the envelope 40. At its end lower envelope 40 may be provided with a bottom (not shown). AT the inside of the envelope 40 extends an annular plate 41 which is here substantially plane. We could also have formed this plate 41 with other shapes, for example frustoconical.
  • This plate 41 extends inwards and defines at its center a hole 43 in which extends the sleeve 22 of the pocket support 2.
  • the latter is formed with retaining means 42 which cooperate with the anchoring profiles 221 formed near the upper end of the sleeve 22.
  • These means of retainer 42 may for example be in the form of a socket slotted frustoconical which allows some elastic deformation towards the outside to allow the passage of the anchor profiles 221 at the level of the upper end of the sleeve 42.
  • the engagement of the anchoring profiles 221 to the upper end of the sleeve 42 corresponds with the support of the flange 21 under the plate 41 at the edge of the hole 43.
  • the tapered retaining sleeve 42 is not a form of limiting realization.
  • the soft bags attached to a pocket support are usually made from two sheets welded together on their peripheries except at the opening in which is inserted the support of pocket before final welding.
  • the manufacture of the pocket is different in that the fixing of the pocket support is carried out before solder the two leaves together. More precisely, we begin by practicing an opening 121 in a flexible sheet 12. The sleeve is then introduced 22 of a pocket holder 2 through the opening 121 to the sheet 12 comes into contact with the upper fixing face 212 of the flange 21. then, advantageously by welding, the sheet 12 on the flange 21 along a welding line 122.
  • the flexible sheets 11 and 12 may be flat, but they may also be curved, as in Figures 2 to 4, for example by thermoforming.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)

Description

La présente invention concerne un distributeur de produit fluide comprenant une poche souple de volume variable présentant une ouverture, un support de poche présentant une surface de fixation au niveau de laquelle l'ouverture de la poche souple est fixée, et un organe de distribution tel qu'une pompe ou une valve, monté sur le support de poche pour pouvoir prélever du produit fluide à travers l'ouverture de la poche souple (Voir par exemple le document US-A-6065642). Il s'agit là d'une conception tout à fait classique pour un distributeur de produit fluide tel qu'on peut en rencontrer dans le domaine de la cosmétique, de la parfumerie ou encore de la pharmacie. Les poches souples sont en général utilisées pour protéger le produit fluide de l'air ambiant et ainsi éviter toute détérioration du produit fluide par oxydation ou dessiccation. Pour se servir du distributeur, l'utilisateur appuie sur le poussoir de l'organe de distribution, ce qui a pour effet de délivrer une dose de produit fluide qui est prélevée dans la poche souple par la pompe ou la valve. Pour empêcher que le produit fluide ne vienne en contact de l'air dans la poche souple, celle-ci s'écrase sur elle-même en diminuant de volume à mesure que du produit fluide en est extrait par la pompe ou la valve.The present invention relates to a fluid dispenser comprising a flexible pouch of variable volume having an opening, a pocket holder having a fastening surface at which the opening of the flexible pouch is fixed, and a dispensing member such as a pump or a valve, mounted on the pocket support to be able to take fluid product through the opening of the flexible bag (see for example the document US-A-6065642). This is a quite conventional design for a fluid dispenser such as can meet in the field of cosmetics, perfumery or from the pharmacy. Soft bags are usually used to protect the fluid product of the ambient air and thus avoid any deterioration of the fluid product by oxidation or desiccation. To use the dispenser, the user supports on the pusher of the dispensing member, which has the effect of delivering a a dose of fluid that is taken from the flexible bag by the pump or valve. To prevent the fluid from coming into contact with air in the flexible pocket, it crashes on itself decreasing volume as you fluid is extracted from it by the pump or the valve.

En général, la poche souple est fixée, souvent par soudage, au support de poche sur lequel est montée la pompe ou la valve. Le support de poche forme pour cela un appendice de fixation qui présente souvent une forme de losange ou d'oeil. Plus précisément, les surfaces de fixation par soudage de l'appendice de fixation sont constituées par les parois externes d'un cylindre, non pas circulaire, mais en forme de losange ou d'oeil.In general, the flexible pouch is fixed, often by welding, to the support of pocket on which the pump or valve is mounted. The pocket support forms for this a fixation appendage which often has a diamond shape or look. More specifically, the welding attachment surfaces of the appendix of fastening are constituted by the outer walls of a cylinder, not circular, but in the shape of a diamond or an eye.

Par ailleurs, la poche est en général formée à partir de deux feuilles souples soudées ensemble sur leurs périphéries, sauf au niveau de l'ouverture, de sorte que l'ouverture est formée par une zone non soudée ensemble des deux feuilles. A l'état initial, lorsque le support n'est pas encore fixé à la poche, les deux feuilles constitutives de la poche sont en contact l'une de l'autre et l'ouverture est fermée de manière non étanche. Lorsque l'on veut monter le support sur la poche, il est nécessaire de faire bailler l'ouverture pour y introduire l'appendice de fixation en forme d'oeil ou de losange. Ensuite, l'ouverture de la poche est soudée sur l'appendice.In addition, the bag is generally formed from two sheets flexible welded together on their peripheries, except at the level of the opening, so that the opening is formed by a non-welded zone together of the two leaves. In the initial state, when the support is not yet fixed to the pocket, the two constituent sheets of the pocket are in contact with one another and the opening is closed in an unsealed manner. When we want to mount the support on the pocket, it is necessary to yawn the opening to introduce it the eye-shaped or diamond-shaped fixation appendage. Then, the opening of the pocket is welded to the appendix.

Ce genre de poche souple est avantageux pour des distributeurs présentant une forme allongée verticale. En effet, la poche souple, pour présenter une certaine contenance, doit être suffisamment longue, étant donné qu'entre son état rempli et vide, sa hauteur ne varie pas beaucoup.This kind of flexible pouch is advantageous for distributors having an elongated vertical shape. Indeed, the flexible pouch, to present a certain capacity, must be sufficiently long, since between its state filled and empty, its height does not vary much.

Il n'est donc pas avantageux d'utiliser ce type de poche pour des distributeurs qui se présentent sous la forme de pot, c'est à dire avec un diamètre relativement important par rapport à leur hauteur.It is therefore not advantageous to use this type of pocket for distributors that come in the form of pot, ie with a diameter relatively important in relation to their height.

La présente invention a pour but de remédier à cet inconvénient de l'art antérieur en définissant un distributeur de produit fluide dont la poche souple est particulièrement bien adaptée à être utilisée dans un distributeur en forme de pot.The present invention aims to overcome this disadvantage of the art prior art by defining a fluid dispenser whose flexible pouch is particularly well suited for use in a pot-shaped dispenser.

La présente invention résout ce problème en proposant un distributeur de produit fluide comprenant :

  • une poche souple déformable de capacité variable pourvue d'une ouverture,
  • un support de poche souple sur lequel l'ouverture de la poche souple est fixée, ledit support comprenant une surface de fixation au niveau de laquelle la poche souple est fixée du support,
  • un organe de distribution, tel qu'une pompe ou une valve, monté sur le support de poche pour prélever du produit fluide dans la poche,
   caractérisé en ce que ladite surface de fixation est sensiblement plane, de sorte qu'elle s'étend dans un plan. En prévoyant une surface de fixation plane et non plus cylindrique, on réduit considérablement la hauteur de la poche. Selon une forme de réalisation avantageuse, la surface de fixation est annulaire. De préférence, le support comprend un manchon sensiblement tubulaire ayant un axe longitudinal, l'organe de distribution s'étendant dans ce manchon, le plan de la surface de fixation étant perpendiculaire audit axe longitudinal. Selon une forme de réalisation pratique, la surface de fixation est formée par une face d'une bride plate plane annulaire disposée dans la poche autour de son ouverture. The present invention solves this problem by providing a fluid dispenser comprising:
  • a deformable flexible pouch of variable capacity provided with an opening,
  • a flexible pouch holder on which the opening of the flexible pouch is fixed, said carrier comprising a fastening surface at which the flexible pouch is secured to the carrier,
  • a dispensing member, such as a pump or a valve, mounted on the pocket support for taking fluid from the pocket,
characterized in that said attachment surface is substantially planar, so that it extends in a plane. By providing a planar and not cylindrical fixing surface, the height of the pocket is considerably reduced. According to an advantageous embodiment, the fastening surface is annular. Preferably, the support comprises a substantially tubular sleeve having a longitudinal axis, the dispensing member extending in this sleeve, the plane of the attachment surface being perpendicular to said longitudinal axis. According to a practical embodiment, the attachment surface is formed by a face of an annular flat flat flange disposed in the pocket around its opening.

Selon une autre caractéristique avantageuse de l'invention, la poche souple comprend deux feuilles souples soudées ensemble sur leur périphérie le long d'une ligne de soudure, l'ouverture de la poche souple étant située sur une des feuilles. Avantageusement, l'ouverture est située sensiblement au centre d'une des feuilles. De préférence, la ligne de soudure des deux feuilles s'étend dans un plan sensiblement parallèle à celui de la surface de fixation du support de poche. Ainsi, la poche souple vide présente une épaisseur presque nulle dans la direction de l'axe longitudinal. En disposant les deux lignes de soudure dans deux plans parallèles, qui sont perpendiculaires à l'axe du support et de l'organe de distribution, on réduit considérablement la hauteur de la poche dont les variations de volume engendrent une différence de hauteur de la poche prise dans le sens de l'axe longitudinal du support de l'organe de distribution.According to another advantageous characteristic of the invention, the pocket flexible comprises two flexible sheets welded together on their periphery the along a weld line, the opening of the flexible pouch being located on a leaves. Advantageously, the opening is located substantially in the center of one of the leaves. Preferably, the weld line of the two sheets extends in a plane substantially parallel to that of the mounting surface of the support of pocket. Thus, the empty flexible pouch has a thickness almost zero in the direction of the longitudinal axis. By arranging the two welding lines in two parallel planes, which are perpendicular to the axis of the support and the organ of distribution, the height of the pocket volume variations cause a difference in the height of the pocket in the direction of the longitudinal axis of the support of the dispensing member.

La présente invention définit également un procédé de fabrication d'une poche souple munie d'un support de poche souple, ledit procédé comprenant les étapes de :

  • découper deux feuilles sensiblement identiques présentant chacune une périphérie,
  • découper une ouverture à travers une des deux feuilles, avantageusement en son centre,
  • fixer le support de poche à la feuille pourvue de l'ouverture de sorte qu'il s'étend à travers l'ouverture, et
  • fixer l'autre feuille souple à la feuille présentant l'ouverture munie du support le long de leur périphérie.
The present invention also defines a method of manufacturing a flexible pouch provided with a flexible pouch support, said method comprising the steps of:
  • cutting two substantially identical sheets each having a periphery,
  • cut an opening through one of the two sheets, preferably in its center,
  • attaching the pocket holder to the sheet provided with the opening so that it extends through the opening, and
  • attaching the other flexible sheet to the sheet having the opening provided with the support along their periphery.

Avantageusement, le support sert à découper l'ouverture de la feuille, avantageusement par poinçonnement.Advantageously, the support is used to cut the opening of the sheet, advantageously by punching.

L'invention sera maintenant plus amplement décrite en référence aux dessins joints donnant à titre d'exemples non limitatifs un mode de réalisation de l'invention.The invention will now be further described with reference to accompanying drawings giving by way of non-limiting examples an embodiment of the invention.

Sur les figures :

  • la figure 1 est une vue en coupe transversale verticale à travers un distributeur de produit fluide selon l'invention, et
  • les figures 2 à 4 sont des vues schématiques des différentes étapes de fabrication d'une poche de produit fluide munie d'un support de poche selon l'invention.
In the figures:
  • FIG. 1 is a vertical cross-sectional view through a fluid dispenser according to the invention, and
  • Figures 2 to 4 are schematic views of the various steps of manufacturing a fluid bag provided with a bag holder according to the invention.

Le distributeur de produit fluide représenté sur la figure 1 comprend une poche souple 1, un support de poche souple 2, un organe de distribution 3 et une coque 4.The fluid dispenser shown in FIG. flexible pouch 1, a flexible pouch holder 2, a dispensing member 3 and a hull 4.

L'organe de distribution 3 est une pompe, mais il aurait également pu s'agir d'une valve. La pompe 3 comprend un corps de pompe 30 définissant une extrémité inférieure 33 formant l'entrée et une extrémité supérieure formant une collerette saillante 34. D'autre part, la pompe 3 comprend une tige d'actionnement 31 qui est déplaçable dans le corps de pompe 30 selon un axe longitudinal A. L'extrémité de la tige d'actionnement 31 est coiffée par un poussoir 32 qui définit un orifice de distribution 35. Le poussoir 32 se présente ici sous la forme d'une coupelle avec l'orifice de distribution 35 placé en son centre de manière à pouvoir recueillir le produit distribué par la pompe. Une fois le produit distribué sur le poussoir 32, l'utilisateur n'a plus qu'à le prélever à l'aide d'un ou de plusieurs doigts. On comprend qu'une telle pompe 3 est plus adaptée à la distribution de crèmes ou de produits cosmétiques pâteux en général.The dispensing member 3 is a pump, but it could also have been be a valve. The pump 3 comprises a pump body 30 defining a lower end 33 forming the inlet and an upper end forming a protruding collar 34. On the other hand, the pump 3 comprises a rod actuator 31 which is movable in the pump body 30 along an axis The end of the actuating rod 31 is capped by a pusher 32 which defines a dispensing orifice 35. The pusher 32 is here in the form of a cup with the dispensing orifice 35 placed in its center in order to collect the product dispensed by the pump. Once the product distributed on the pusher 32, the user only has to collect it using one or more fingers. It is understood that such a pump 3 is more suitable the distribution of creams or pasty cosmetic products in general.

La pompe 3 est avantageusement une pompe sans reprise d'air, c'est à dire qu'elle ne permet pas l'entrée d'air extérieur à l'intérieur de la pompe à mesure que le produit fluide est distribué.The pump 3 is advantageously a pump without air intake, it is at say that it does not allow the entrance of outside air inside the pump to as the fluid product is dispensed.

La pompe 3 est reçue dans un support de poche 2 qui comprend un manchon sensiblement tubulaire 22 et une bride annulaire 21 qui s'étend radialement vers l'extérieur à l'extrémité inférieure du manchon 22. L'intérieur du manchon 22 est creux et forme ainsi un passage traversant 23. A son extrémité supérieure 222, le manchon 22 forme un logement de réception, avantageusement par encliquetage, pour recevoir la collerette saillante 34 du corps de pompe 30. La pompe 3 est ainsi fixée dans le manchon 22 avec le corps de pompe 30 s'étendant dans le passage 23. L'extrémité inférieure 33 du corps de pompe 30 qui forme l'entrée de la pompe est située avantageusement au niveau de l'extrémité inférieure du manchon 22, comme on peut le voir sur la figure 1. Le manchon 22 et la pompe 3 présentent le même axe longitudinal A. En dessous du logement de réception 222, le manchon 22 forme un ou plusieurs profils d'ancrage 221 dont la fonction sera donnée ci-après. La bride 21 qui s'étend radialement vers l'extérieur à partir de l'extrémité inférieure du manchon 22 présente une surface de fixation annulaire sensiblement plane qui s'étend sur une des faces de la bride 21. Avantageusement, cette surface de fixation plane est située sur la face supérieure 212 de la bride 21 c'est à dire sur la face tournée en direction du manchon 22. Bien que située dans un même plan, cette surface de fixation annulaire peut être pourvue de reliefs qui n'affectent pas la configuration générale plane de la surface. Ces reliefs peuvent par exemple servir à améliorer la qualité de la fixation de la poche. Ces reliefs peuvent par exemple être des nervures de thermosoudage destinées à fondre au moins partiellement lors du soudage de la poche souple sur le support de poche. La face inférieure 211 de la bride 21 peut également servir de surface de fixation à la place de la face supérieure 212. Cependant, lorsque cette face inférieure 211 ne sert pas de surface de fixation, elle n'est pas forcément plane et peut donc présenter un relief non négligeable. Toutefois, la face inférieure 211 est de préférence également plane, et l'épaisseur de la bride 21 est de préférence relativement faible, de sorte que la bride se présente sous la forme d'un disque annulaire plat de faible épaisseur percé en son centre par le passage traversant 23.The pump 3 is received in a pocket holder 2 which comprises a substantially tubular sleeve 22 and an annular flange 21 which extends radially outwardly at the lower end of the sleeve 22. The interior of the sleeve 22 is hollow and thus forms a through passage 23. At its upper end 222, the sleeve 22 forms a receiving housing, advantageously by snap-fastening, to receive the protruding flange 34 of the pump body 30. The pump 3 is thus fixed in the sleeve 22 with the body pump 30 extending into the passage 23. The lower end 33 of the body of pump 30 which forms the inlet of the pump is advantageously located at the the lower end of the sleeve 22, as can be seen in Figure 1. The sleeve 22 and the pump 3 have the same longitudinal axis A. In below the receiving housing 222, the sleeve 22 forms one or more anchoring profiles 221 whose function will be given below. The flange 21 which extends radially outwardly from the lower end of the sleeve 22 has a substantially flat annular fixing surface which extends over one of the faces of the flange 21. Advantageously, this plane fastening surface is located on the upper face 212 of the flange 21, that is to say on the face turned in direction of the sleeve 22. Although located in the same plane, this surface of ring fixation can be provided with reliefs that do not affect the configuration general plane of the surface. These reliefs can for example be used to improve the quality of the fixation of the pocket. These reliefs may for example be heat-sealing ribs for melting at least partially during the welding the flexible pouch to the pocket support. The lower face 211 of the flange 21 can also serve as a fastening surface instead of the face 212. However, when this lower face 211 does not serve as a fixing surface, it is not necessarily flat and can therefore have a relief not insignificant. However, the lower face 211 is preferably also plane, and the thickness of the flange 21 is preferably relatively small, so that the flange is in the form of a low flat annular disk thickness pierced at its center by the through passage 23.

La poche 1 est fixée au support de poche 2 au niveau de la surface de fixation, qui est ici la face supérieure 212. Etant donné que la surface de fixation 212 est annulaire et plane et perpendiculaire à l'axe longitudinal A, la poche souple 1 au niveau de son ouverture 121 est disposée de manière plane et perpendiculaire à l'axe longitudinal A. La partie de la poche souple 1 bordant son ouverture 121 s'étend donc de manière plane sur la bride 21 autour du manchon 22 qui fait saillie à travers l'ouverture 121. La bride 21 est donc disposée à l'intérieur de la poche souple 1 alors que le manchon 22 s'étend vers l'extérieur. Par conséquent, le passage 23 du manchon 22 fait communiquer l'intérieur de la poche souple à travers son ouverture 121 avec la pompe 3. Plus précisément, comme on le voit sur la figure 1, l'entrée 33 de la pompe 3 est située au niveau de l'ouverture 121 de la poche 1.The pocket 1 is fixed to the pocket support 2 at the level of the surface of fixation, which is here the upper face 212. Since the fixing surface 212 is annular and flat and perpendicular to the longitudinal axis A, the pocket flexible 1 at its opening 121 is disposed flat and perpendicular to the longitudinal axis A. The part of the flexible pouch 1 bordering its opening 121 therefore extends flatly on the flange 21 around the sleeve 22 which protrudes through the opening 121. The flange 21 is therefore disposed within the flexible pouch 1 while the sleeve 22 extends to outside. Therefore, the passage 23 of the sleeve 22 communicates the inside of the flexible pouch through its opening 121 with the pump 3. More precisely, as can be seen in FIG. 1, the inlet 33 of the pump 3 is located at the opening 121 of the pocket 1.

Avantageusement, l'ouverture 121 de la poche 1 est formée dans une feuille souple 12, avantageusement au niveau de son centre. Cette feuille 12 est connectée à une autre feuille 11 le long d'une ligne de liaison périphérique 112. Il est à noter que l'ouverture 121 est formée par la seule feuille 12 et que la feuille 11 ne participe par conséquent pas à la formation de cette ouverture 121. Selon l'invention, la ligne de liaison périphérique 112 commune aux deux feuilles 11 et 12 s'étend dans un plan parallèle au plan de la surface de fixation 212 du support de poche 2 et perpendiculaire à l'axe longitudinal A. Par conséquent, une augmentation du volume de la poche 1 s'effectue en grande partie par une augmentation de sa hauteur dans le sens de l'axe A. A l'inverse, lorsque la poche souple 1 est vide, la feuille souple 11 peut venir en contact de la face inférieure 211 de la bride 21 de sorte que l'épaisseur de la poche correspond à l'épaisseur cumulée des deux feuilles souples 11 et 12 et de la bride 21 qui est extrêmement plate. Ceci est particulièrement vrai quand les feuilles souples sont planes. Par conséquent, l'épaisseur de la poche 1 à l'état vide dans le sens de l'axe A, peut être de l'ordre de 1 à 3 mm. Grâce à cette caractéristique, cette poche souple 1 est particulièrement bien adaptée pour une utilisation dans des distributeurs de produit fluide qui se présentent sous la forme de pot et non de flacon. On peut en effet avoir une capacité relativement grande pour la poche souple 1 avec une hauteur de poche relativement faible dans le sens de l'axe A.Advantageously, the opening 121 of the pocket 1 is formed in a flexible sheet 12, preferably at its center. This sheet 12 is connected to another sheet 11 along a peripheral link line 112. It It should be noted that the opening 121 is formed by the single sheet 12 and that the sheet It does not therefore participate in the formation of this opening 121. According to the invention, the peripheral connecting line 112 common to the two sheets 11 and 12 extends in a plane parallel to the plane of the fastening surface 212 of the support pocket 2 and perpendicular to the longitudinal axis A. Therefore, a The volume of the bag 1 is increased largely by increase in height in the direction of axis A. Conversely, when the pocket flexible 1 is empty, the flexible sheet 11 can come into contact with the underside 211 of the flange 21 so that the thickness of the pocket corresponds to the thickness cumulative of the two flexible sheets 11 and 12 and the flange 21 which is extremely flat. This is especially true when the flexible sheets are flat. By therefore, the thickness of the bag 1 in the empty state in the direction of the axis A, can be of the order of 1 to 3 mm. With this feature, this flexible pouch 1 is particularly well suited for use in dispensers of fluid product which is in the form of pot and not vial. We can effect to have a relatively large capacity for the flexible pouch 1 with a relatively small pocket height in the direction of the A axis.

Le distributeur comprend également une coque 4 qui comprend une enveloppe externe 40 de forme cylindrique sur la figure 1. Bien entendu, la forme externe de la coque 40 peut être très variée en fonction de l'aspect esthétique que l'on veut donner au distributeur. Dans le cas de la figure 1, il s'agit d'un distributeur sous forme de pot, de sorte que l'enveloppe externe 40 n'est pas très haute par rapport à son diamètre pour lui conférer l'aspect d'un pot. L'enveloppe externe 40 s'étend jusqu'au niveau du poussoir 32 de la pompe 3 qui peut avantageusement se déplacer à l'intérieur de l'enveloppe 40. A son extrémité inférieure l'enveloppe 40 peut être pourvue d'un fond (non représenté). A l'intérieur de l'enveloppe 40 s'étend un plateau annulaire 41 qui est ici sensiblement plan. On aurait également pu former ce plateau 41 avec d'autres formes, par exemple tronconique. Ce plateau 41 s'étend vers l'intérieur et définit en son centre un trou 43 dans lequel s'étend le manchon 22 du support de poche 2. Pour la fixation du support de poche 2 sur le plateau 41, ce dernier est formé avec des moyens de retenue 42 qui coopèrent avec les profils d'ancrage 221 formés à proximité de l'extrémité supérieure du manchon 22. Ces moyens de retenue 42 peuvent par exemple se présenter sous la forme d'une douille tronconique fendue qui permet une certaine déformation élastique vers l'extérieur pour permettre le passage des profils d'ancrage 221 au niveau de l'extrémité supérieure de la douille 42. L'engagement des profils d'ancrage 221 à l'extrémité supérieure de la douille 42 correspond avec la mise en appui de la bride 21 sous le plateau 41 au niveau du bord du trou 43. Cependant, comme la poche 1 est fixée au niveau de la face supérieure de la bride 21, c'est la poche 1 qui vient en contact appuyé contre la face inférieure du plateau 41. De ce fait, le bord de l'ouverture 121 de la poche souple 1 est coincé entre la bride 21 et le plateau 41. Bien que le mode de fixation par soudage sur la bride 21 est préféré, il est également envisagé de réaliser une fixation étanche de la poche 1 sur le support de poche 2 par simple coincement de la poche 1 entre la bride 21 et le plateau 41. De toute façon, même avec une fixation par soudage, le coincement de la poche entre la bride 21 et le plateau 41 ne peut que contribuer à l'amélioration de la fixation et de l'étanchéité de la poche. On peut bien entendu imaginer d'autres modes d'ancrage du support de poche 2 dans la coque 4 qui permettent néanmoins un coincement de la poche entre la bride et le plateau 41. En d'autres termes, la douille de retenue tronconique 42 n'est pas une forme de réalisation limitative.The dispenser also includes a hull 4 which includes a outer casing 40 cylindrical in Figure 1. Of course, the shape outer shell 40 can be very varied depending on the aesthetic appearance that we want to give to the distributor. In the case of Figure 1, this is a dispenser in the form of pot, so that the outer casing 40 is not very high in relation to its diameter to give it the appearance of a pot. The envelope 40 extends to the level of the pusher 32 of the pump 3 which can advantageously move inside the envelope 40. At its end lower envelope 40 may be provided with a bottom (not shown). AT the inside of the envelope 40 extends an annular plate 41 which is here substantially plane. We could also have formed this plate 41 with other shapes, for example frustoconical. This plate 41 extends inwards and defines at its center a hole 43 in which extends the sleeve 22 of the pocket support 2. For fixing the pocket support 2 on the plate 41, the latter is formed with retaining means 42 which cooperate with the anchoring profiles 221 formed near the upper end of the sleeve 22. These means of retainer 42 may for example be in the form of a socket slotted frustoconical which allows some elastic deformation towards the outside to allow the passage of the anchor profiles 221 at the level of the upper end of the sleeve 42. The engagement of the anchoring profiles 221 to the upper end of the sleeve 42 corresponds with the support of the flange 21 under the plate 41 at the edge of the hole 43. However, as the 1 pocket is fixed at the upper face of the flange 21 is the pocket 1 which comes into contact pressed against the underside of the plate 41. As a result, the edge of the opening 121 of the flexible bag 1 is wedged between the flange 21 and the plate 41. Although the method of fixing by welding on the flange 21 is preferred, it is also envisaged to make a tight fixation of the pocket 1 on the pocket holder 2 by simply jamming the pocket 1 between the flange 21 and the plate 41. Anyway, even with a fixation by welding, jamming of the pocket between the flange 21 and the plate 41 can only contribute to improving the fixing and sealing of the pocket. We can of course imagine other modes of anchoring the pocket support 2 in the shell 4 which nevertheless allow a jamming of the pocket between the flange and the plate 41. In other words, the tapered retaining sleeve 42 is not a form of limiting realization.

Dans l'art antérieur, les poches souples fixées à un support de poche sont en général réalisées à partir de deux feuilles soudées ensemble sur leurs périphéries sauf au niveau de l'ouverture dans laquelle est inséré le support de poche avant soudage final. Dans la présente invention, la fabrication de la poche est différente en ce que la fixation du support de poche est réalisée avant de souder les deux feuilles ensemble. Plus précisément, on commence par pratiquer une ouverture 121 dans une feuille souple 12. On introduit ensuite le manchon 22 d'un support de poche 2 à travers l'ouverture 121 jusqu'à ce la feuille 12 vienne en contact de la face supérieure de fixation 212 de la bride 21. On fixe ensuite, avantageusement par soudage, la feuille 12 sur la bride 21 le long d'une ligne de soudage 122. On obtient ainsi une feuille souple 12 fixée à un support de poche dont le manchon 22 fait saillie à travers l'ouverture 121 et dont la bride 21 est située sur la face inférieure de la feuille 12. L'étape finale consiste à fixer une autre feuille souple 11, avantageusement de même dimension que la feuille 12, à la feuille 12 par exemple par soudage, le long d'une ligne de liaison périphérique 112. La feuille 11 est soudée à la feuille 12 sur le côté où s'étend la bride 21 de sorte que la bride 21 est située à l'intérieur de la poche souple avec son manchon 22 qui fait saillie vers l'extérieur à travers l'ouverture 121. Toutes ces étapes de fabrication sont représentées sur les figures 2, 3 et 4. Selon une autre caractéristique de l'invention, il est possible d'utiliser le support de poche 2, et plus particulièrement son manchon 22 pour réaliser l'ouverture 121 dans la feuille 12. Ainsi, l'ouverture 121 peut être poinçonnée par le support de poche 2 qui est ensuite immédiatement insérée à travers l'ouverture 121.In the prior art, the soft bags attached to a pocket support are usually made from two sheets welded together on their peripheries except at the opening in which is inserted the support of pocket before final welding. In the present invention, the manufacture of the pocket is different in that the fixing of the pocket support is carried out before solder the two leaves together. More precisely, we begin by practicing an opening 121 in a flexible sheet 12. The sleeve is then introduced 22 of a pocket holder 2 through the opening 121 to the sheet 12 comes into contact with the upper fixing face 212 of the flange 21. then, advantageously by welding, the sheet 12 on the flange 21 along a welding line 122. This gives a flexible sheet 12 attached to a support of pocket whose sleeve 22 projects through the opening 121 and whose flange 21 is located on the underside of sheet 12. The final step is to set a another flexible sheet 11, preferably of the same size as the sheet 12, to the sheet 12 for example by welding, along a peripheral link line 112. The sheet 11 is welded to the sheet 12 on the side where the flange 21 extends. so that the flange 21 is located inside the flexible pouch with its sleeve 22 which protrudes outward through the opening 121. All these steps of manufacturing are shown in Figures 2, 3 and 4. According to another characteristic of the invention, it is possible to use the pocket support 2, and more particularly its sleeve 22 to make the opening 121 in the sheet 12. Thus, the opening 121 can be punched by the pocket holder 2 which is then immediately inserted through the opening 121.

Les feuilles souples 11 et 12 peuvent être planes, mais elles peuvent également être bombées, comme sur les figures 2 à 4, par exemple par thermoformage.The flexible sheets 11 and 12 may be flat, but they may also be curved, as in Figures 2 to 4, for example by thermoforming.

Claims (11)

  1. A fluid dispenser comprising:
    a variable-capacity deformable flexible pouch (1) provided with an opening (121);
    a flexible pouch support (2) to which the opening (121) in the flexible pouch (1) is fixed, said support having a fixing surface (212) at which the flexible pouch is fixed to the support; and
    a dispensing member (3) such as a pump or a valve, mounted on the pouch support (2) for drawing fluid from the pouch;
    said dispenser being characterized in that the fixing surface (212) is substantially plane, so that it extends in one plane.
  2. A dispenser according to claim 1, in which the fixing surface (212) is annular.
  3. A dispenser according to claim 1 or 2, in which the support (2) comprises a substantially tubular sleeve (22) having a longitudinal axis (A), the dispensing member (3) extending in said sleeve (22), the plane of the fixing surface (212) being perpendicular to said longitudinal axis (A).
  4. A dispenser according to any preceding claim, in which the fixing surface (212) is formed by one face of an annular, plane, thin flange (21) disposed inside the pouch (1) around the opening (121) therein.
  5. A dispenser according to any preceding claim, in which the flexible pouch (1) is made up of two flexible pouches (11, 12) that are sealed together over their peripheries, along a sealing line (112), the opening (121) in the flexible pouch being situated in one of the sheets (12).
  6. A dispenser according to claim 5, in which the opening (121) is situated substantially at the center of one of the sheets (12).
  7. A dispenser according to claim 5, in which the sealing line (112) along which the two sheets (11, 12) are sealed together extends in a plane substantially parallel to the plane of the fixing surface (212) of the pouch support (2).
  8. A dispenser according to claim 3, in which the empty flexible pouch (1) has a thickness that is almost zero along the longitudinal axis (A).
  9. A dispenser according to claim 1, in which the flexible pouch (1) is wedged in leaktight manner between the pouch support (2) and a bearing element (41).
  10. A method of manufacturing a flexible pouch (1) provided with a flexible pouch support (2), said method comprising the following steps:
    cutting out two substantially identical sheets (11, 12), each of which has a periphery;
    cutting an opening (121) through one of the two sheets (12) advantageously at its center;
    fixing the pouch support (2) to the sheet (12) provided with the opening (121) so that it extends through the opening; and
    fixing the other flexible sheet (11) to the sheet (12) provided with the opening around their peripheries.
  11. A method according to claim 10, in which the support (2) serves to cut the opening (121) through the sheet (12), advantageously by punching out.
EP02704818A 2001-02-28 2002-02-13 Fluid product dispenser with flexible pouch and method for producing one such flexible pouch Expired - Lifetime EP1363843B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0102743 2001-02-28
FR0102743A FR2821339B1 (en) 2001-02-28 2001-02-28 FLEXIBLE POCKET FLUID PRODUCT DISPENSER AND METHOD FOR MANUFACTURING SUCH A FLEXIBLE POCKET
PCT/FR2002/000551 WO2002068290A1 (en) 2001-02-28 2002-02-13 Fluid product dispenser with flexible pouch and method for producing one such flexible pouch

Publications (2)

Publication Number Publication Date
EP1363843A1 EP1363843A1 (en) 2003-11-26
EP1363843B1 true EP1363843B1 (en) 2005-04-27

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EP02704818A Expired - Lifetime EP1363843B1 (en) 2001-02-28 2002-02-13 Fluid product dispenser with flexible pouch and method for producing one such flexible pouch

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US (1) US20040112918A1 (en)
EP (1) EP1363843B1 (en)
DE (1) DE60203883T2 (en)
ES (1) ES2241992T3 (en)
FR (1) FR2821339B1 (en)
WO (1) WO2002068290A1 (en)

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US20090272764A1 (en) * 2008-04-30 2009-11-05 Epopack Co., Ltd. Container having wall portions with different pressure resistance
FR2952619B1 (en) * 2009-11-13 2012-06-08 Valois Sas FLUID PRODUCT DISPENSER.
KR200476949Y1 (en) * 2013-08-22 2015-04-20 펌텍코리아 (주) A cosmetic container for sotoraging and discharging two contents
USD979284S1 (en) 2021-01-08 2023-02-28 Wella International Operations Switzerland Sàrl Fluid dispenser covering

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US3157314A (en) * 1961-01-12 1964-11-17 Nadler Emanuel Refillable dispenser with flexible outer casing
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Publication number Publication date
WO2002068290A1 (en) 2002-09-06
DE60203883D1 (en) 2005-06-02
DE60203883T2 (en) 2006-02-16
FR2821339B1 (en) 2003-08-01
US20040112918A1 (en) 2004-06-17
EP1363843A1 (en) 2003-11-26
FR2821339A1 (en) 2002-08-30
ES2241992T3 (en) 2005-11-01

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