EP0826606A1 - Dispensing cap with improved gripping means - Google Patents

Dispensing cap with improved gripping means Download PDF

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Publication number
EP0826606A1
EP0826606A1 EP97401560A EP97401560A EP0826606A1 EP 0826606 A1 EP0826606 A1 EP 0826606A1 EP 97401560 A EP97401560 A EP 97401560A EP 97401560 A EP97401560 A EP 97401560A EP 0826606 A1 EP0826606 A1 EP 0826606A1
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EP
European Patent Office
Prior art keywords
cover
rigid
capsule according
capsule
elastomeric material
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
EP97401560A
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German (de)
French (fr)
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EP0826606B1 (en
Inventor
Gilles Baudin
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LOreal SA
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LOreal SA
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    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • B65D47/0814—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions by at least three hinge sections, at least one having a length different from the others

Definitions

  • the present invention relates to a dispensing capsule intended for equip a tank containing a fluid to be dispensed, as well as a distribution assembly equipped with this capsule. It is equipped with a closure system, which can be opened for dispensing the product, and closed for storage.
  • Tanks with such a capsule are used usually in different areas, for the storage and distribution of liquid products, for example in the cosmetic, food, household, pharmaceutical or parapharmaceutical. These products are, including shampoos, antiseptics, household cleaners or dishwashing products. Thanks to the use of such a capsule, it is avoided, on the one hand, the flow of the product during transport and storage, and on the other hand, the product is protected from dirt coming from the outside. On the other hand, with such a capsule, the user can easily dispense the product contained in the tank.
  • the present invention relates to a capsule having a product dispensing orifice closable by a cover swivel.
  • Such a dispensing capsule is described, for example, in the European patent application EP-A-0 629 560.
  • This document describes a dispensing capsule, comprising a dispensing orifice and a cover swiveling using a film hinge.
  • the cover is provided with a pin, intended to plug the dispensing orifice in the storage position.
  • the cover On the side opposite the hinge, the cover has a gripping projection, located vis-à-vis a depression in the side wall of the capsule.
  • This projection has the disadvantage of risking, when opening the cover, injuring the user's thumb or breaking the nail.
  • the grip area is not always easy to spot.
  • the present invention aims to remedy the disadvantages of the prior art, relating to a dispensing capsule aesthetic, whose cost price is competitive and which, moreover, presents a high sealing reliability.
  • the invention relates to a practical capsule, easy to open, where the gripping area can be located and manipulated easily by the user.
  • the present invention relates to a dispensing capsule intended to equip a tank containing a liquid or viscous product, comprising a body provided with at least one dispensing orifice and a cover hinged with the body around an axis, the cover being intended to block the orifice of dispensing in storage position, the body and the cover being constituted by a rigid or semi-rigid material.
  • At least one gripping area is formed on the cover and / or the body to facilitate opening and / or closing of the cover, said gripping area being formed by a elastomeric material.
  • the invention also relates to a dispensing capsule in which the elastomeric material is deposited, by bi-injection, on the body and / or the cover made of rigid material.
  • Yet another object of the invention is constituted by a set of distribution comprising a product reservoir, fitted with a compliant capsule to the invention as described above.
  • the tank equipped with such a capsule consists of a rigid or semi-rigid consistency bottle, or by a compressible tube.
  • this reservoir has a neck, on which is fixed, by screwing, breakdown, overmolding, welding or any other known means, the capsule distribution.
  • the product to be dispensed is able to flow under its own weight and is, for example a shampoo or a body milk whose viscosity is included, generally in a range from 50 mPa ⁇ s to 5 Pa ⁇ s or a powdery powder.
  • the rigid or semi-rigid material is chosen from among the polypropylenes or polyethylenes.
  • the elastomeric material is an elastomer thermoplastic physico-chemically compatible with the rigid material or semi-rigid.
  • a bond is created, by thermofusion, between the two materials.
  • thermoplastic elastomer is chosen, for example, from the group of elastomers of copolymers propylene / ethylene; polyether blockamides; polyvinyls; of terpolymers of ethylene, propylene and a diene (EPDM); polymers block styrene-butadiene (SBS); styrene-ethylene-butadiene polymers sequenced (SEBS-SIS); thermoplastic polyurethanes; of blends of polypropylene with one of the following elastomers: polymers of block styrene-ethylene-butadiene (SEBS-SIS); ethylene terpolymers, propylene and a diene (EPDM); styrene-butadiene polymers sequenced (SBS).
  • the elastomeric material can have a different color from that of the rigid or semi-rigid material. So the or the gripping areas on the capsule can be easily identified by the user. In addition, by color deposition of the grip area, a aesthetic decoration effect can be obtained.
  • the area of grip on the body is formed by a concave depression in arc shape.
  • the gripping area can also be provided on the cover, at a location diametrically opposite the hinge.
  • This zone is preferably formed by a concave return in the form of an imprint hollow, in which the user's finger comes to bear to lift the lid.
  • a gripping zone can be provided on the cover and on the capsule body respectively.
  • the cover is provided with a stopper pin, intended for plug the dispensing orifice in the storage position.
  • a coating of flexible elastomeric material can then be placed on the pin or inside the hole, to ensure, in the storage position, a good seal between the pin and the orifice.
  • the spike when the spike is hollow, formed by a cylindrical skirt, it can be filled with flexible material. This is advantageous because it avoids temporary imprisonment of product residues inside the pin, residues which may run out unexpectedly when opening the cover.
  • the body of the capsule in an area on its face upper, facing the cover, may include an annular seal in flexible material, in tight contact with a peripheral edge of the cover when the latter is in the folded position.
  • This cover is hinged relative to the capsule using a hinge pivoting around an axis A, for example a film hinge.
  • the capsule of the invention may comprise, in addition at least one element of bond overmolded in flexible thermoplastic material, elastically deformable in elongation, forming a spring.
  • One end of the element link is connected to the body, the other is connected to the cover, the link element being mounted so as to be situated on one side of the axis A in the open position, and on the other side of axis A in the closed position of the cover, the connecting element undergoing an elongation when passing from one of the positions to the other and whose maximum is reached during the passage of the connecting element at the level of axis A.
  • a distribution assembly designated as a whole by the reference 1, comprising a reservoir 21 having an axis longitudinal X, equipped with a distribution capsule 3 provided with a reference 32.
  • the reservoir 21 has a closed bottom 22 and, on the side opposite the bottom, a neck 2 provided with an external thread 24 for fixing the body 32 of capsule on the tank.
  • the capsule body has a skirt internal cylindrical 25, provided with an internal thread complementary to the thread 24 of the neck 2.
  • the reservoir 21 has a general circular or oval section, but this can be any, for example polygonal or asymmetrical. It is realized, for example, high density polyethylene.
  • the capsule body meanwhile, is made of a rigid material, such as polypropylene.
  • the body 32 of the capsule 3 comprises a plate 34, provided at its periphery a film hinge 8, using which is hinged a cover 5, allowing the latter to pivot about an axis A constituting the axis of the hinge.
  • the cover 5 has a shape of a cap provided with a peripheral edge 51 facing the tank.
  • an orifice is provided for distribution 4.
  • the orifice 4 is defined by a cylindrical tube 41, 42, extending on either side of the plate 34.
  • An emerging part 41 of the tubing has an internal conical shape, flaring outwards. This tubing constitutes a flow reducer, the emerging part 41 having the function of a pouring spout.
  • the hinge 8 is formed in two parts 8a, 8b, separated by a recess 8c.
  • Two bars 12, 13 oriented parallel to the axis A pass through the recess.
  • These bars 12, 13 are embedded in a flat strip 10 of material elastomer and constitute means for anchoring the strip.
  • Band 10 constitutes an elastic connection element between the cover 5 and the body 32.
  • the ends of the strip 10 are respectively secured to the body 32 of the capsule and cover 5 respectively, the joining of this strip 10 on the body 32 and the cover 5 being obtained by thermofusion of the materials respective during the manufacture of the capsule 3.
  • additional anchor points 14 can be provided on each part adjoining the ends of the strip 10.
  • This strip 10 is mounted so as to be located on one side of the axis A in open position of cover 5, and on the other side of axis A in closed position of the cover.
  • the strip 10 undergoes an elongation during its passage from a positions to each other and whose maximum is reached during the passage of the strip 10 at axis A.
  • the cover 5 is recalled either in its open position or in its position closed or semi-closed. From the semi-closed position, the cover 5 can be closed completely by sliding the pin 6 into hole 4.
  • flexible strip 10 is produced, for example, from a mixture of polypropylene / block polymer of styrene - ethylene - butylene - styrene.
  • the dispensing orifice 4 is blocked, in the folded position of the cover, by a pin 6 closing off the tubular part 41.
  • This pin 6 is hollow and carries a external covering 72 in flexible material.
  • the internal diameters of the part tubular 41 and external of coating 72 are chosen so that the pin 6 can frictionally enter, tightly, in the orifice 4, when the cover 5.
  • these diameters are of the order of 3 to 8 mm, in depending on the viscosity of the product to be dispensed. Typically, this viscosity is included in the range from 50 mPa ⁇ s to 5 Pa ⁇ s.
  • the plate 34 further comprises, at its periphery, an annular seal 11 made of flexible material. It is arranged so that the edge 51 of the cover 5 comes to bear against this seal 11, in the position of closure of the capsule.
  • the skirt 37 On the side opposite to the hinge 8, the skirt 37 has a depression area 95, for example in the form of an arc of a circle facilitating the gripping and opening of the cover 5.
  • the surface 96 of this area consists of a layer of flexible material.
  • the cover 5 comprises a gripping zone 91 in the form of a concave return 9, this zone also being made of flexible material, such as an elastomer.
  • the use of a flexible material for the gripping areas gives the user a pleasant touch and easy handling of the capsule.
  • the particular flexible material consists of SANTOPRENE® (mixture of polypropylene with terpolymers of ethylene, propylene and a diene (EPDM)), sold by the company AES. It is even possible to obtain an “anti-slip” effect, which is advantageous when the user uses, in the shower or in the bath, a surface-cleaning product for body cleansing.
  • the color chosen for the flexible material is different from that of rigid or semi-rigid material. So the areas of gripping 91, 96 are easily identifiable by the user wishing to serve the product. These areas 91, 96 in color can constitute, in addition, a aesthetic element and be made of any varied form.
  • the way of producing the capsule according to the invention is of great simplicity.
  • the capsule is produced in a single cycle of short-term molding, by successive bi-injection of rigid materials and flexible respectively. This capsule can then be manufactured at a price of comes back advantageous.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Manipulator (AREA)

Abstract

A cap (3) with a distributor (4) for a container (21) of liquid or viscous product having a body (32) with ≥ 1 opening (4) and a cover (5) hinged to the body (32) which is able to close the opening when not in use has an area for holding (91) the lid to open and close it formed by an elastomeric material. The main body and lid being made of rigid or semi-rigid material.

Description

La présente invention se rapporte à une capsule de distribution destinée à équiper un réservoir contenant un produit fluide à distribuer, ainsi qu'à un ensemble de distribution équipé de cette capsule. Elle est équipée d'un système de bouchage, pouvant être ouvert pour la distribution du produit, et fermé pour sa conservation.The present invention relates to a dispensing capsule intended for equip a tank containing a fluid to be dispensed, as well as a distribution assembly equipped with this capsule. It is equipped with a closure system, which can be opened for dispensing the product, and closed for storage.

Des réservoirs munis d'une capsule de ce genre sont utilisés habituellement dans différents domaines, pour le stockage et la distribution de produits liquides, par exemple dans le domaine cosmétique, alimentaire, ménager, pharmaceutique ou parapharmaceutique. Ces produits sont, notamment, des shampooings, des antiseptiques, des nettoyants ménagers ou des produits pour la vaisselle. Grâce à l'utilisation d'une telle capsule, on évite, d'une part, l'écoulement du produit pendant le transport et le stockage, et d'autre part, on protège le produit des salissures de provenant de l'extérieur. D'autre part, avec une telle capsule, l'utilisateur peut distribuer aisément le produit contenu dans le réservoir.Tanks with such a capsule are used usually in different areas, for the storage and distribution of liquid products, for example in the cosmetic, food, household, pharmaceutical or parapharmaceutical. These products are, including shampoos, antiseptics, household cleaners or dishwashing products. Thanks to the use of such a capsule, it is avoided, on the one hand, the flow of the product during transport and storage, and on the other hand, the product is protected from dirt coming from the outside. On the other hand, with such a capsule, the user can easily dispense the product contained in the tank.

Plus particulièrement, la présente invention se rapporte à une capsule comportant un orifice de distribution de produit obturable par un couvercle pivotant.More particularly, the present invention relates to a capsule having a product dispensing orifice closable by a cover swivel.

Une capsule de distribution de ce genre est décrite, par exemple, dans la demande de brevet européen EP-A-0 629 560. Ce document décrit une capsule de distribution, comportant un orifice de distribution et un couvercle pivotant à l'aide d'une charnière-film. Le couvercle est pourvu d'un picot, destiné à boucher l'orifice de distribution en position de stockage. Sur le côté opposé à la charnière, le couvercle comporte une saillie de préhension, situé en vis-à-vis d'une dépression pratiquée dans la paroi latérale de la capsule.Such a dispensing capsule is described, for example, in the European patent application EP-A-0 629 560. This document describes a dispensing capsule, comprising a dispensing orifice and a cover swiveling using a film hinge. The cover is provided with a pin, intended to plug the dispensing orifice in the storage position. On the side opposite the hinge, the cover has a gripping projection, located vis-à-vis a depression in the side wall of the capsule.

Cette saillie présente l'inconvénient de risquer, lors de l'ouverture du couvercle, de blesser le pouce de l'utilisateur ou de casser l'ongle. De plus, la zone de préhension n'est pas toujours facile à repérer.This projection has the disadvantage of risking, when opening the cover, injuring the user's thumb or breaking the nail. In addition, the grip area is not always easy to spot.

En conséquence, la présente invention vise à remédier aux inconvénients de l'art antérieur, ayant pour objet une capsule de distribution esthétique, dont le prix de revient est compétitif et qui, en outre, présente une grande fiabilité de bouchage. De plus, l'invention vise une capsule pratique, d'ouverture facile, où la zone de préhension peut être repérée et manipulée aisément par l'utilisateur.Consequently, the present invention aims to remedy the disadvantages of the prior art, relating to a dispensing capsule aesthetic, whose cost price is competitive and which, moreover, presents a high sealing reliability. In addition, the invention relates to a practical capsule, easy to open, where the gripping area can be located and manipulated easily by the user.

Aussi, la présente invention se rapporte à une capsule de distribution destinée à équiper un réservoir contenant un produit liquide ou visqueux, comportant un corps pourvu d'au moins un orifice de distribution et un couvercle articulé avec le corps autour d'un axe, le couvercle étant destiné à boucher l'orifice de distribution en position de stockage, le corps et le couvercle étant constitués par un matériau rigide ou semi-rigide. Au moins une zone de préhension est ménagée sur le couvercle et/ou le corps pour faciliter l'ouverture et/ou la fermeture du couvercle, ladite zone de préhension étant formée par un matériau élastomérique.Also, the present invention relates to a dispensing capsule intended to equip a tank containing a liquid or viscous product, comprising a body provided with at least one dispensing orifice and a cover hinged with the body around an axis, the cover being intended to block the orifice of dispensing in storage position, the body and the cover being constituted by a rigid or semi-rigid material. At least one gripping area is formed on the cover and / or the body to facilitate opening and / or closing of the cover, said gripping area being formed by a elastomeric material.

L'invention se rapporte, également à une capsule de distribution dans laquelle le matériau élastomérique est déposé, par bi-injection, sur le corps et/ou le couvercle en matériau rigide.The invention also relates to a dispensing capsule in which the elastomeric material is deposited, by bi-injection, on the body and / or the cover made of rigid material.

Un autre objet encore de l'invention est constitué par un ensemble de distribution comportant un réservoir de produit, équipé d'une capsule conforme à l'invention telle que décrite précédemment.Yet another object of the invention is constituted by a set of distribution comprising a product reservoir, fitted with a compliant capsule to the invention as described above.

Généralement, le réservoir équipé d'une telle capsule est constitué par un flacon de consistance rigide ou semi-rigide, ou bien par un tube compressible. De préférence, ce réservoir comporte un col, sur lequel est fixée, par vissage, claquage, surmoulage, soudage ou tout autre moyen connu, la capsule de distribution.Generally, the tank equipped with such a capsule consists of a rigid or semi-rigid consistency bottle, or by a compressible tube. Preferably, this reservoir has a neck, on which is fixed, by screwing, breakdown, overmolding, welding or any other known means, the capsule distribution.

Le produit à distribuer est capable de s'écouler sous son propre poids et est, par exemple un shampooing ou un lait corporel dont la viscosité est comprise, généralement dans une gamme allant de 50 mPa·s à 5 Pa·s ou bien une poudre pulvérulente.The product to be dispensed is able to flow under its own weight and is, for example a shampoo or a body milk whose viscosity is included, generally in a range from 50 mPa · s to 5 Pa · s or a powdery powder.

Généralement, le matériau rigide ou semi-rigide est choisi parmi les polypropylènes ou les polyéthylènes.Generally, the rigid or semi-rigid material is chosen from among the polypropylenes or polyethylenes.

Avantageusement, le matériau élastomérique est un élastomère thermoplastique physico-chimiquement compatible avec le matériau rigide ou semi-rigide. Ainsi, en injectant dans un moule d'abord le matériau rigide ou semi-rigide, et en sur-injectant ensuite le matériau souple, on crée une liaison, par thermofusion, entre les deux matériaux. Cet élastomère thermoplastique est choisi, par exemple, dans le groupe des élastomères des copolymères propylène/éthylène ; des polyéther blocamides ; des polyvinyles ; des terpolymères d'éthylène, de propylène et d'un diène (EPDM) ; des polymères de styrène-butadiène séquencés (SBS) ; des polymères de styrène-éthylène-butadiène séquencés (SEBS-SIS) ; des polyuréthanes thermoplastiques ; des mélanges de polypropylène avec l'un des élastomères suivants : polymères de styrène-éthylène-butadiène séquencés (SEBS-SIS) ; terpolymères d'éthylène, de propylène et d'un diène (EPDM) ; polymères de styrène-butadiène séquencés (SBS).Advantageously, the elastomeric material is an elastomer thermoplastic physico-chemically compatible with the rigid material or semi-rigid. Thus, by first injecting into a mold the rigid material or semi-rigid, and then by over-injecting the flexible material, a bond is created, by thermofusion, between the two materials. This thermoplastic elastomer is chosen, for example, from the group of elastomers of copolymers propylene / ethylene; polyether blockamides; polyvinyls; of terpolymers of ethylene, propylene and a diene (EPDM); polymers block styrene-butadiene (SBS); styrene-ethylene-butadiene polymers sequenced (SEBS-SIS); thermoplastic polyurethanes; of blends of polypropylene with one of the following elastomers: polymers of block styrene-ethylene-butadiene (SEBS-SIS); ethylene terpolymers, propylene and a diene (EPDM); styrene-butadiene polymers sequenced (SBS).

Selon un aspect intéressant de l'invention, le matériau élastomérique peut avoir une couleur différente de celle du matériau rigide ou semi-rigide. Ainsi, la ou les zones de préhension sur la capsule peuvent être repérées facilement par l'utilisateur. En outre, par le dépôt en couleur de la zone de préhension, un effet de décoration esthétique peut être obtenu. According to an interesting aspect of the invention, the elastomeric material can have a different color from that of the rigid or semi-rigid material. So the or the gripping areas on the capsule can be easily identified by the user. In addition, by color deposition of the grip area, a aesthetic decoration effect can be obtained.

Selon un mode de réalisation avantageux de l'invention, la zone de préhension ménagée sur le corps est formée par une dépression concave en forme d'arc de cercle.According to an advantageous embodiment of the invention, the area of grip on the body is formed by a concave depression in arc shape.

De préférence, la zone de préhension peut être ménagée également sur le couvercle, à un endroit situé diamétralement opposé à la charnière. Cette zone est formée, de préférence, par un retour concave sous forme d'empreinte creuse, dans laquelle le doigt de l'utilisateur vient en appui pour soulever le couvercle.Preferably, the gripping area can also be provided on the cover, at a location diametrically opposite the hinge. This zone is preferably formed by a concave return in the form of an imprint hollow, in which the user's finger comes to bear to lift the lid.

Il est bien entendu qu'une zone de préhension peut être prévue sur le couvercle et sur le corps de capsule respectivement.It is understood that a gripping zone can be provided on the cover and on the capsule body respectively.

En choisissant un matériau élastomérique particulier, par exemple un mélange de polypropylène avec des terpolymères d'éthylène, de propylène et d'un diène (EPDM), il est même possible d'obtenir un effet « anti- dérapant » de la zone de préhension, ce qui est intéressant lorsque l'utilisateur utilise un produit de nettoyage tensioactif sous la douche ou dans le bain. En effet, lorsque le consommateur utilise un réservoir muni d'une capsule de distribution classique en polypropylène, notamment sous la douche avec les mains mouillées par de l'eau ou par du shampooing, cette capsule a tendance à glisser dans les mains, l'ouverture d'une telle capsule étant donc difficile à effectuer. Grâce à cet aspect de l'invention, le glissement de la capsule dans les mains de l'utilisateur peut être évité.By choosing a particular elastomeric material, for example a blend of polypropylene with terpolymers of ethylene, propylene and diene (EPDM), it is even possible to obtain an "anti-slip" effect of the grip area, which is interesting when the user is using a Surfactant cleaning product in the shower or in the bath. Indeed, when the consumer uses a tank fitted with a dispensing cap classic polypropylene, especially in the shower with your hands wet with water or shampoo, this capsule tends to slip in the hands, the opening of such a capsule being therefore difficult to carry out. Thanks to this aspect of the invention, the sliding of the capsule in the user's hands can be avoided.

Généralement, le couvercle est pourvu d'un picot de bouchage, destiné à boucher l'orifice de distribution en position de stockage. Dans ce cas, un revêtement en matériau élastomérique souple peut alors être disposé sur le picot ou à l'intérieur de l'orifice, pour assurer, en position de stockage, une bonne étanchéité entre le picot et l'orifice. Cette solution permet de rattraper un éventuel jeu entre le picot et l'orifice, ou des déformations du picot et/ou de l'orifice dues au démoulage. Ce revêtement assure, en outre une bonne étanchéité pendant toute la durée d'utilisation du produit.Generally, the cover is provided with a stopper pin, intended for plug the dispensing orifice in the storage position. In this case, a coating of flexible elastomeric material can then be placed on the pin or inside the hole, to ensure, in the storage position, a good seal between the pin and the orifice. This solution makes it possible to catch up with a possible play between the spike and the orifice, or deformations of the spike and / or the orifice due to demolding. This coating also provides good watertight throughout the product's useful life.

Selon un autre aspect de l'invention, lorsque le picot est creux, formé par une jupe cylindrique, il peut être rempli de matériau souple. Ceci est avantageux, car on évite un emprisonnement temporaire de résidus de produit à l'intérieur du picot, résidus qui risquent de s'écouler intempestivement, lors de l'ouverture du couvercle.According to another aspect of the invention, when the spike is hollow, formed by a cylindrical skirt, it can be filled with flexible material. this is advantageous because it avoids temporary imprisonment of product residues inside the pin, residues which may run out unexpectedly when opening the cover.

En outre, le corps de la capsule, dans une zone située sur sa face supérieure, en vis-à-vis du couvercle, peut comporter un joint annulaire en matériau souple, en contact étanche avec un bord périphérique du couvercle lorsque ce dernier est en position rabattue.In addition, the body of the capsule, in an area on its face upper, facing the cover, may include an annular seal in flexible material, in tight contact with a peripheral edge of the cover when the latter is in the folded position.

Ce couvercle est articulé par rapport à la capsule à l'aide d'une charnière pivotant autour d'un axe A, par exemple une charnière-film. This cover is hinged relative to the capsule using a hinge pivoting around an axis A, for example a film hinge.

La capsule de l'invention peut comporter, en plus au moins un élément de liaison surmoulé en matériau thermoplastique souple, élastiquement déformable en élongation, formant ressort. L'une des extrémités de l'élément de liaison est reliée au corps, l'autre est reliée au couvercle, l'élément de liaison étant monté de manière à se situer d'un côté de l'axe A en position ouverte, et de l'autre côté de l'axe A en position fermée du couvercle, l'élément de liaison subissant une élongation lors de son passage d'une des positions à l'autre et dont le maximum est atteint lors du passage de l'élément de liaison au niveau de l'axe A. Une fois franchie la zone d'élongation maximum, le couvercle est rappelé soit dans sa position ouverte, soit dans sa position fermée ou semi-fermée.The capsule of the invention may comprise, in addition at least one element of bond overmolded in flexible thermoplastic material, elastically deformable in elongation, forming a spring. One end of the element link is connected to the body, the other is connected to the cover, the link element being mounted so as to be situated on one side of the axis A in the open position, and on the other side of axis A in the closed position of the cover, the connecting element undergoing an elongation when passing from one of the positions to the other and whose maximum is reached during the passage of the connecting element at the level of axis A. Once the maximum elongation zone has been crossed, the cover is recalled either in its open position or in its closed or semi-closed position.

Pour mieux faire comprendre l'objet de l'invention, on va décrire, maintenant, à titre d'exemple purement illustratifs et non limitatif, un mode de réalisation d'une capsule de distribution conforme à l'invention, en référence aux dessins annexés.

  • La figure 1 représente, en coupe axiale, un réservoir muni d'une capsule de distribution, selon l'invention, en position ouverte ;
  • la figure 2 représente, une vue de dessus de la capsule de la figure 1.
To better understand the object of the invention, a description will now be given, by way of purely illustrative and nonlimiting example, of an embodiment of a dispensing capsule in accordance with the invention, with reference to the accompanying drawings. .
  • Figure 1 shows, in axial section, a reservoir provided with a dispensing capsule, according to the invention, in the open position;
  • FIG. 2 represents a top view of the capsule of FIG. 1.

En référence, aux figures 1 et 2, on voit un ensemble de distribution désigné dans son ensemble par la référence 1, comportant un réservoir 21 ayant un axe longitudinal X, équipé d'une capsule de distribution 3 pourvue un corps de référence 32. Le réservoir 21 comporte un fond fermé 22 et, du côté opposé au fond, un goulot 2 muni d'un filetage externe 24 pour la fixation du corps 32 de capsule sur le réservoir. A cet effet, le corps de capsule comporte une jupe interne cylindrique 25, munie d'un filetage interne complémentaire au filetage 24 du goulot 2. Le réservoir 21 a une section générale circulaire ou ovale, mais celle-ci peut être quelconque, par exemple polygonale ou dissymétrique. Il est réalisé, par exemple, en polyéthylène haute densité. Le corps de la capsule, quant à lui, est réalisé en un matériau rigide, comme le polypropylène.With reference to FIGS. 1 and 2, we see a distribution assembly designated as a whole by the reference 1, comprising a reservoir 21 having an axis longitudinal X, equipped with a distribution capsule 3 provided with a reference 32. The reservoir 21 has a closed bottom 22 and, on the side opposite the bottom, a neck 2 provided with an external thread 24 for fixing the body 32 of capsule on the tank. For this purpose, the capsule body has a skirt internal cylindrical 25, provided with an internal thread complementary to the thread 24 of the neck 2. The reservoir 21 has a general circular or oval section, but this can be any, for example polygonal or asymmetrical. It is realized, for example, high density polyethylene. The capsule body, meanwhile, is made of a rigid material, such as polypropylene.

Le corps 32 de la capsule 3 comporte un plateau 34, pourvu à sa périphérie d'une charnière-film 8, à l'aide de laquelle est articulé un couvercle 5, permettant à ce dernier de pivoter autour d'un axe A constituant l'axe de la charnière. Le couvercle 5 a une forme de calotte muni d'un bord périphérique 51 tourné vers le réservoir. Dans le plateau 34, du côté opposé à la charnière 8 et dans un plan passant par la charnière et par l'axe X du réservoir 21, est prévu un orifice de distribution 4. L'orifice 4 est défini par une tubulure cylindrique 41, 42, s'étendant de part et d'autre du plateau 34. Une partie émergente 41 de la tubulure présente une forme interne conique, s'évasant vers l'extérieur. Cette tubulure constitue un réducteur de débit, la partie 41 émergente ayant la fonction d'un bec verseur.The body 32 of the capsule 3 comprises a plate 34, provided at its periphery a film hinge 8, using which is hinged a cover 5, allowing the latter to pivot about an axis A constituting the axis of the hinge. The cover 5 has a shape of a cap provided with a peripheral edge 51 facing the tank. In the tray 34, on the side opposite the hinge 8 and in a plane passing through the hinge and through the axis X of the reservoir 21, an orifice is provided for distribution 4. The orifice 4 is defined by a cylindrical tube 41, 42, extending on either side of the plate 34. An emerging part 41 of the tubing has an internal conical shape, flaring outwards. This tubing constitutes a flow reducer, the emerging part 41 having the function of a pouring spout.

La charnière 8 est formée en deux parties 8a, 8b, séparées par un évidement 8c. Deux barrettes 12, 13 d'orientation parallèle à l'axe A traversent l'évidement. Ces barrettes 12, 13 sont noyées dans une bande plate 10 en matériau élastomère et constituent des moyens d'ancrage de la bande. La bande 10 constitue un élément de liaison élastique entre le couvercle 5 et le corps 32. Les extrémités de la bande 10 sont solidaires respectivement du corps 32 de la capsule et du couvercle 5 respectivement, la solidarisation de cette bande 10 sur le corps 32 et le couvercle 5 étant obtenue par thermofusion des matériaux respectives lors de la fabrication de la capsule 3. Pour renforcer d'avantage la tenue de la bande 10, des points d'ancrage supplémentaires 14 peuvent être prévus sur chaque partie attenante aux extrémités de la bande 10.The hinge 8 is formed in two parts 8a, 8b, separated by a recess 8c. Two bars 12, 13 oriented parallel to the axis A pass through the recess. These bars 12, 13 are embedded in a flat strip 10 of material elastomer and constitute means for anchoring the strip. Band 10 constitutes an elastic connection element between the cover 5 and the body 32. The ends of the strip 10 are respectively secured to the body 32 of the capsule and cover 5 respectively, the joining of this strip 10 on the body 32 and the cover 5 being obtained by thermofusion of the materials respective during the manufacture of the capsule 3. To further strengthen the holding the strip 10, additional anchor points 14 can be provided on each part adjoining the ends of the strip 10.

Cette bande 10 est monté de manière à se situer d'un côté de l'axe A en position ouverte du couvercle 5, et de l'autre côté de l'axe A en position fermée du couvercle. Ainsi, la bande 10 subit une élongation lors de son passage d'une des positions à l'autre et dont le maximum est atteint lors du passage de la bande 10 au niveau de l'axe A. Une fois franchie la zone d'élongation maximum, le couvercle 5 est rappelé soit dans sa position ouverte, soit dans sa position fermée ou semi-fermée. A partir de la position semi-fermée, le couvercle 5 peut être fermé complètement en faisant rentrer, à friction, le picot 6 dans l'orifice 4. La bande souple 10 est réalisée, par exemple, en un mélange de polypropylène / polymère de bloc de styrène - éthylène - butylène - styrène.This strip 10 is mounted so as to be located on one side of the axis A in open position of cover 5, and on the other side of axis A in closed position of the cover. Thus, the strip 10 undergoes an elongation during its passage from a positions to each other and whose maximum is reached during the passage of the strip 10 at axis A. Once the maximum elongation zone has been crossed, the cover 5 is recalled either in its open position or in its position closed or semi-closed. From the semi-closed position, the cover 5 can be closed completely by sliding the pin 6 into hole 4. flexible strip 10 is produced, for example, from a mixture of polypropylene / block polymer of styrene - ethylene - butylene - styrene.

L'orifice de distribution 4 est bouché, en position rabattue du couvercle, par un picot 6 obturant la partie tubulaire 41. Ce picot 6 est creux et porte un revêtement externe 72 en matériau souple. Les diamètres interne de la partie tubulaire 41 et externe du revêtement 72 sont choisis de sorte que le picot 6 puisse rentrer à friction, de façon étanche, dans l'orifice 4, lorsqu'on ferme le couvercle 5. Avantageusement, ces diamètres sont de l'ordre de 3 à 8 mm, en fonction de la viscosité du produit à distribuer. Typiquement, cette viscosité est comprise dans la gamme allant de 50 mPa·s à 5 Pa·s.The dispensing orifice 4 is blocked, in the folded position of the cover, by a pin 6 closing off the tubular part 41. This pin 6 is hollow and carries a external covering 72 in flexible material. The internal diameters of the part tubular 41 and external of coating 72 are chosen so that the pin 6 can frictionally enter, tightly, in the orifice 4, when the cover 5. Advantageously, these diameters are of the order of 3 to 8 mm, in depending on the viscosity of the product to be dispensed. Typically, this viscosity is included in the range from 50 mPa · s to 5 Pa · s.

Il est possible, bien entendu, de réaliser une disposition inverse, c'est-à-dire de disposer le revêtement 72, en matériau souple à l'intérieur de l'orifice 4. Comme visible sur les figures 1 et 2, l'intérieur 71 du picot 6 est rempli de matériau souple.It is of course possible to make a reverse arrangement, that is to say to have the covering 72, made of flexible material inside the orifice 4. As shown in Figures 1 and 2, the interior 71 of the pin 6 is filled with flexible material.

Comme illustré, notamment sur la figure 2, le plateau 34 comporte en outre, à sa périphérie, un joint annulaire 11 en matériau souple. Il est disposé de sorte que le bord 51 du couvercle 5 vienne en appui contre ce joint 11, en position de fermeture de la capsule.As illustrated, in particular in FIG. 2, the plate 34 further comprises, at its periphery, an annular seal 11 made of flexible material. It is arranged so that the edge 51 of the cover 5 comes to bear against this seal 11, in the position of closure of the capsule.

Du coté opposé à la charnière 8, la jupe 37 présente une zone en dépression 95, par exemple en forme d'arc de cercle facilitant la préhension et l'ouverture du couvercle 5. La surface 96 de cette zone est constituée par une couche de matériau souple. De même, le couvercle 5 comporte une zone de préhension 91 en forme de retour concave 9, cette zone étant constituée, également, de matériau souple, tel qu'un élastomère. L'utilisation d'un matériau souple pour les zones de préhension confère à l'utilisateur un toucher agréable et une manipulation aisée de la capsule. A titre d'exemple, le matériau souple particulier est constitué de SANTOPRENE® (mélange de polypropylène avec des terpolymères d'éthylène, de propylène et d'un diène (EPDM)), commercialisé par la société AES. Il est même possible d'obtenir un effet « antiglisse », ce qui est intéressant lorsque l'utilisateur utilise, sous la douche ou dans le bain, un produit tensioactif de nettoyage corporel.On the side opposite to the hinge 8, the skirt 37 has a depression area 95, for example in the form of an arc of a circle facilitating the gripping and opening of the cover 5. The surface 96 of this area consists of a layer of flexible material. Likewise, the cover 5 comprises a gripping zone 91 in the form of a concave return 9, this zone also being made of flexible material, such as an elastomer. The use of a flexible material for the gripping areas gives the user a pleasant touch and easy handling of the capsule. For example, the particular flexible material consists of SANTOPRENE® (mixture of polypropylene with terpolymers of ethylene, propylene and a diene (EPDM)), sold by the company AES. It is even possible to obtain an “anti-slip” effect, which is advantageous when the user uses, in the shower or in the bath, a surface-cleaning product for body cleansing.

Avantageusement, la couleur choisie pour le matériau souple est différente de celle du matériau rigide ou semi-rigide. Ainsi, les zones de préhension 91, 96 sont facilement repérables par l'utilisateur désirant de se servir du produit. Ces zones 91, 96 en couleur peuvent constituer, en plus, un élément esthétique et être réalisées de toute forme variée.Advantageously, the color chosen for the flexible material is different from that of rigid or semi-rigid material. So the areas of gripping 91, 96 are easily identifiable by the user wishing to serve the product. These areas 91, 96 in color can constitute, in addition, a aesthetic element and be made of any varied form.

La façon de réaliser la capsule conforme à l'invention, est d'une grande simplicité. Avantageusement, la capsule est fabriquée en un seul cycle de moulage de courte durée, par bi-injection successive des matériaux rigide et souple respectivement. Cette capsule peut alors être fabriquée à un prix de revient avantageux.The way of producing the capsule according to the invention is of great simplicity. Advantageously, the capsule is produced in a single cycle of short-term molding, by successive bi-injection of rigid materials and flexible respectively. This capsule can then be manufactured at a price of comes back advantageous.

Claims (15)

Capsule de distribution (3) destinée à équiper un réservoir (21) contenant un produit liquide ou visqueux, comportant un corps (32) pourvu d'au moins un orifice de distribution (4) et un couvercle (5) articulé avec le corps (32) autour d'un axe (A), le couvercle étant destiné à boucher l'orifice de distribution (4) en position de stockage, le corps (32) et le couvercle (5) étant constitués par un matériau rigide ou semi-rigide, au moins une zone de préhension (91, 96) étant ménagée sur le couvercle (5) et/ou le corps (32) pour faciliter l'ouverture et/ou la fermeture du couvercle (5), caractérisée en ce que ladite zone de préhension (91, 96) est formée par un matériau élastomérique.Distribution capsule (3) intended to equip a reservoir (21) containing a liquid or viscous product, comprising a body (32) provided with at least a dispensing orifice (4) and a cover (5) articulated with the body (32) around an axis (A), the cover being intended to block the orifice of distribution (4) in storage position, the body (32) and the cover (5) being made up of a rigid or semi-rigid material, at least one zone gripping (91, 96) being provided on the cover (5) and / or the body (32) to facilitate the opening and / or closing of the cover (5), characterized in that said gripping area (91, 96) is formed by an elastomeric material. Capsule selon la revendication 1, caractérisée en ce que le matériau rigide ou semi-rigide est choisi parmi les polypropylènes ou les polyéthylènes.Capsule according to claim 1, characterized in that the rigid material or semi-rigid is chosen from polypropylenes or polyethylenes. Capsule selon l'une des revendications précédentes, caractérisée en ce que le matériau élastomérique est un élastomère thermoplastique physico-chimiquement compatible avec le matériau rigide ou semi-rigide, de manière à pouvoir former une liaison par thermofusion avec le matériau rigide ou semi-rigide.Capsule according to one of the preceding claims, characterized in that the elastomeric material is a physico-chemically thermoplastic elastomer compatible with rigid or semi-rigid material, so as to be able to form a bond by thermofusion with the material rigid or semi-rigid. Capsule selon l'une des revendications précédentes, caractérisée en ce que le matériau élastomérique a une couleur différente de celle du matériau rigide ou semi-rigide.Capsule according to one of the preceding claims, characterized in that the elastomeric material has a different color from that of the material rigid or semi-rigid. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que le matériau élastomérique est choisi dans le groupe des élastomères des copolymères propylène/éthylène ; des polyéther blocamides ; des polyvinyles ; des terpolymères d'éthylène, de propylène et d'un diène (EPDM) ; des polymères de styrène-butadiène séquencés (SBS) ; des polymères de styrène-éthylène-butadiène séquencés (SEBS-SIS) ; des polyuréthanes thermoplastiques ; des mélanges de polypropylène avec l'un des élastomères suivantes : polymères de styrène-éthylène-butadiène séquencés (SEBS-SIS) ; terpolymères d'éthylène, de propylène et d'un diène (EPDM) ; polymères de styrène-butadiène séquencés (SBS).Capsule according to any one of the preceding claims, characterized in that the elastomeric material is chosen from the group elastomers of propylene / ethylene copolymers; polyether blockamides; polyvinyls; terpolymers of ethylene, propylene and a diene (EPDM); block styrene-butadiene polymers (SBS) ; block styrene-ethylene-butadiene polymers (SEBS-SIS); thermoplastic polyurethanes; polypropylene blends with one of the following elastomers: polymers of styrene-ethylene-butadiene sequenced (SEBS-SIS); terpolymers of ethylene, propylene and a diene (EPDM); styrene-butadiene block polymers (SBS). Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que le couvercle (5) est pourvu d'un picot de bouchage (6), destiné à boucher l'orifice de distribution (4) en position de stockage, un revêtement (72) en matériau élastomérique étant situé sur le picot ou à l'intérieur de l'orifice (4), pour assurer, en position de stockage, l'étanchéité entre le picot (6) et l'orifice (4).Capsule according to any one of the preceding claims, characterized in that the cover (5) is provided with a stopper pin (6), intended to plug the dispensing orifice (4) in the storage position, a coating (72) of elastomeric material being located on the pin or at the interior of the orifice (4), to ensure, in the storage position, sealing between the pin (6) and the orifice (4). Capsule selon la revendication 6, caractérisée en ce que le picot (6) est rempli d'un matériau élastomérique (71). Capsule according to claim 6, characterized in that the pin (6) is filled with an elastomeric material (71). Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps (32) comporte un joint (11) annulaire en matériau élastomérique, en contact étanche avec un bord périphérique (51) du couvercle (5) lorsque ce dernier est en position rabattue.Capsule according to any one of the preceding claims, characterized in that the body (32) has an annular seal (11) in elastomeric material, in tight contact with a peripheral edge (51) of the cover (5) when the latter is in the folded position. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que le couvercle (5) est articulé sur le corps (32) au moyen d'une charnière-film (8).Capsule according to any one of the preceding claims, characterized in that the cover (5) is articulated on the body (32) at the by means of a film hinge (8). Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone de préhension (91) ménagée sur le corps (32) est formée par une dépression concave, en forme d'arc de cercle.Capsule according to any one of the preceding claims, characterized in that the gripping area (91) provided on the body (32) is formed by a concave depression, in the form of an arc of a circle. Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone de préhension (96), ménagée sur le couvercle (5), est située diamétralement opposée à la charnière (8).Capsule according to any one of the preceding claims, characterized in that the gripping area (96), formed on the cover (5), is located diametrically opposite the hinge (8). Capsule selon l'une quelconque des revendications précédentes, caractérisée en ce que la zone de préhension (91) ménagée sur le couvercle (5) est formée par un retour concave de celui-ci.Capsule according to any one of the preceding claims, characterized in that the grip zone (91) formed on the cover (5) is formed by a concave return thereof. Capsule selon l'une des revendications précédentes, caractérisée en ce qu'elle comporte, en outre, au moins un élément de liaison (10) surmoulé en matériau thermoplastique, élastiquement déformable en élongation, formant ressort, l'une des extrémités de l'élément de liaison (10) étant reliée au corps (32), l'autre étant reliée au couvercle (5), l'élément de liaison (10) étant monté de manière à se situer d'un côté de l'axe A en position ouverte, et de l'autre côté de l'axe A en position fermée du couvercle (5), l'élément de liaison (10) subissant une élongation lors de son passage d'une des positions à l'autre et dont le maximum est atteint lors du passage de l'élément de liaison (10) au niveau de l'axe (A).Capsule according to one of the preceding claims, characterized in that it further comprises at least one overmolded connecting element (10) in thermoplastic material, elastically deformable in elongation, forming a spring, one end of the connecting element (10) being connected to the body (32), the other being connected to the cover (5), the element of link (10) being mounted so as to be located on one side of the axis A in open position, and on the other side of axis A in the closed position of cover (5), the connecting element (10) undergoing elongation during its transition from one position to another and the maximum of which is reached during passage of the connecting element (10) at the level of the axis (A). Capsule de distribution conforme à l'une quelconque des revendications précédentes, caractérisée en ce que le matériau élastomérique est déposé sur le matériau rigide ou semi-rigide par bi-injection.Dispensing capsule according to any one of the claims previous, characterized in that the elastomeric material is deposited on rigid or semi-rigid material by bi-injection. Ensemble de distribution d'un produit fluide comportant un réservoir (21) contenant un produit fluide, équipé d'une capsule de distribution, caractérisé en ce que la capsule est conforme à l'une quelconque des revendications 1 à 14.Fluid product distribution assembly comprising a reservoir (21) containing a fluid product, equipped with a dispensing capsule, characterized in that the capsule conforms to any one of claims 1 to 14.
EP97401560A 1996-08-29 1997-07-02 Dispensing cap with improved gripping means Expired - Lifetime EP0826606B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9610577 1996-08-29
FR9610577A FR2752821B1 (en) 1996-08-29 1996-08-29 DISPENSING CAPSULE WITH IMPROVED GRIPPING MEANS

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EP0826606A1 true EP0826606A1 (en) 1998-03-04
EP0826606B1 EP0826606B1 (en) 1998-12-02

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US (2) US5865353A (en)
EP (1) EP0826606B1 (en)
DE (1) DE69700065T2 (en)
ES (1) ES2125736T3 (en)
FR (1) FR2752821B1 (en)

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EP0826606B1 (en) 1998-12-02
FR2752821A1 (en) 1998-03-06
DE69700065T2 (en) 1999-04-29
US5865353A (en) 1999-02-02
FR2752821B1 (en) 1998-09-25
USRE38816E1 (en) 2005-10-11
DE69700065D1 (en) 1999-01-14
ES2125736T3 (en) 1999-03-01

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