EP0945368A1 - Dispensing and applying head for a product, particularly a haircare product and packaging unit provided with such a head - Google Patents

Dispensing and applying head for a product, particularly a haircare product and packaging unit provided with such a head Download PDF

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Publication number
EP0945368A1
EP0945368A1 EP99400502A EP99400502A EP0945368A1 EP 0945368 A1 EP0945368 A1 EP 0945368A1 EP 99400502 A EP99400502 A EP 99400502A EP 99400502 A EP99400502 A EP 99400502A EP 0945368 A1 EP0945368 A1 EP 0945368A1
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EP
European Patent Office
Prior art keywords
head
product
valve
pump
applicator
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
EP99400502A
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German (de)
French (fr)
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EP0945368B1 (en
Inventor
Vincent De Laforcade
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LOreal SA
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LOreal SA
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Publication date
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Publication of EP0945368A1 publication Critical patent/EP0945368A1/en
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Publication of EP0945368B1 publication Critical patent/EP0945368B1/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
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/285—Nozzles, nozzle fittings or accessories specially adapted therefor for applying the contents, e.g. brushes, rollers, pads, spoons, razors, scrapers

Definitions

  • the present invention relates to a head for dispensing and applying a product, especially hair.
  • the invention is particularly suitable for distribution and application of coloring products, especially when these are in the form of foam.
  • the invention also relates to a packaging unit equipped with a head according to the invention.
  • a push button for actuation of the valve and distribution of the product.
  • a push button must be movable either parallel to the axial plane of the button (in the case of a push-in valve) or perpendicular to the axial plane of the button (in the in the case of a tilting valve).
  • the applicator mounted on the push button, can be fixed relative to the container, in which case the structure of the whole is complex. Indeed, the applicator must be arranged in such a way as to leave all the latitude to the push button necessary for its movement. In addition, a tight connection must be ensured. between the reservoir and the applicator. Such a design leads to sets, currently on the market, comprising a number of pieces important, and therefore of too high a cost price.
  • the applicator can be secured to the movable part of the push button, which allows to realize a structure in one piece, in which sealing is easier to perform effectively and economically viable.
  • a fragility problem in the case of a tilting valve, called also, tilt valve, the presence of "knots" in the hair can cause a untimely actuation of the valve, and therefore the deposit of a quantity excess product on the hair. Such excess can either fall through ground or on the shoulders of the user, or generate, especially in the case of a coloring, an unsatisfactory quality of application.
  • the junction between the moving part of the push button and the fixed body of the push button is generally provided by a hinge film, making a flexible and solid connection when stressed around its axis.
  • a hinge film making a flexible and solid connection when stressed around its axis.
  • one of the drawbacks inherent in such hinges lies in the fact that when requested in directions other than around the normal axis of articulation, in particular when the applicator encounters a node, they are subjected to significant torques, up to cause them to tear, which makes the assembly totally unusable.
  • a head for the distribution and application of a product in particular a hair product
  • a product in particular a hair product
  • a body intended to be mounted on a tank fitted with a pump or valve, and a part movable relative to the body, said movable part comprising an actuating surface which can be moved so as to cause, by pivoting about an articulation axis connecting the mobile part to the body, actuating the pump or the valve, said movable part comprising also an applicator intended to be put in communication with the tank when the pump or valve is actuated, to receive a dose of product to be applied to a surface
  • the body comprises means forming a stop to prevent substantially all movement of the mobile part other than around the articulation axis.
  • the moving part can only move around the articulation axis (especially when actuation of the pump or valve), any other movement being prevented by the presence of the means forming a stop.
  • the applicator is mounted on the free end of an arm, the said abutment means consisting of two flying buttresses arranged on one side one side of the arm.
  • flying buttresses can extend over approximately 1/4 to 3/4 of the axial height of the arm, and preferably 1 ⁇ 2 to 3 ⁇ 4 of the axial height of the arm.
  • the applicator consists of a brush formed of a support on which are implanted, substantially perpendicular to an axis of the head, a plurality of bristles or teeth, said support comprising at least one orifice connected to a supply channel, for placing communication of the applicator with the reservoir.
  • the support can be shaped any, especially oval.
  • the opening may be partially blocked by a diffusion member, of the grid type or porous member (sintered), so as to allow expansion or better expansion of the product, and thus, a better distribution of the foam on the brush when it comes out.
  • the articulation axis consists of a film hinge.
  • a such a characteristic makes it possible to produce a one-piece dispensing head, obtained from molding of thermoplastic materials, in particular from polyethylenes or polypropylenes, and therefore at low cost.
  • the body includes means for attaching the head on the tank.
  • Such means comprise for example a bead capable of cooperate by snapping with an annular groove provided on the part top of a tank, or with a bead formed by a flange of crimping the valve on the tank.
  • a set of packaging, distribution and application including a reservoir surmounted by a pump or a valve, and, surmounting the pump or the valve, a head for the distribution and application of a product contained in the tank, characterized in that it uses a dispensing head according to the invention.
  • the product can be pressurized inside the tank by means of liquefiable or non-liquefiable gases.
  • liquefiable or non-liquefiable gases for example, we can mention nitrogen, a mixture of propane and butane, air tablet, nitrous oxide, carbon dioxide, or freons, etc.
  • the invention also relates to the use of such an assembly for the packaging, distribution and application of a hair product, in particular a coloring product, in particular in the form of foam.
  • the device 1 illustrated in FIGS. 1, 2 and 3A-3C comprises a reservoir 2, under shape of an aerosol canister surmounted by a valve 41 comprising a valve stem emergent 3, of the push-in type.
  • a distribution and application head 10 is mounted on the tank.
  • This dispensing head 10 includes a fixed part, consisting of a body 11 comprising a first cylindrical skirt 12, the end of which has a free edge delimiting an opening 13.
  • the wall inside of the cylindrical skirt 12 has an internal bead 14 at the vicinity of the opening 13, capable of cooperating by snap-fastening with a bead 15 formed by a crimping flange of the valve 41 on the reservoir 2.
  • the first cylindrical skirt 12 is connected to a second cylindrical skirt 16 of smaller diameter by a shoulder 17.
  • the cylindrical skirt 16 is connected to a transverse wall 18 having a cutout 19 of shape corresponding to the shape of a actuator 20.
  • the actuator 20 has a portion of surface 21 intended to form a bearing surface for actuating the valve.
  • the reservoir has in the vicinity of its upper end a groove 42 capable of allowing the removable mounting of a cap on the head of distribution 10 (not shown).
  • the actuator 20 is integral with a movable part 22, one of which portion opposite to the actuator 20 is connected to the transverse wall 18 by a film hinge 23.
  • the movable part 22 comprises a channel 24 mounted by force on the valve stem 3.
  • the channel 24 extends over the entire length of a arm 25, and opens onto an orifice 40 located substantially in the center of a applicator 35.
  • the applicator 35 consists of an ovoid surface 26 forming a support for a plurality of teeth 27 spaced evenly on the entire periphery of said ovoid surface.
  • the teeth 27 are oriented from substantially perpendicular to the X axis of the device.
  • Port 40 can be partially obstructed, for example by a grid (not shown) or any other deflector, so as to allow better distribution of the foam on the surface of the brush.
  • the fixed part 11 carries on either side of the arm 25 two flying buttresses 28, 29 each comprising a inner face 30, 31, disposed opposite a corresponding face 32, 33 of the arm 25.
  • the flying buttresses 28, 29 also each have a portion exterior 37, 38 with rounded profile.
  • the faces 30 and 31 are arranged in planes substantially perpendicular to the axis of articulation defined by the film hinge 23. A slight clearance is however provided between the arm 25 and the faces 30, 31, so that the flying buttresses do not interfere with the actuation of the valve.
  • the flying buttresses 28, 29 extend over a height substantially equal to half the height of the arm 25.
  • the film hinge 23 is disposed between the transverse wall 18, and a first end of a junction zone 36 whose second end is connected to the arm 25 on one side of the latter, perpendicular to the faces 32 and 33.
  • the junction zone 36 is connected to the arm substantially at the level of the free end of the flying buttresses.
  • the curvature of the junction zone 36 is such that, in the rest position illustrated in FIG. 1, the junction area 36 forms with the rounded surface 37, 38 of flying buttresses 28, 29, a surface substantially continuous.
  • the user activates the valve at by means of a pressure exerted on the surface 21, which causes a tilting of the mobile part 22 around the axis of the film hinge 23, and the depression of the valve stem 3 (figure 2).
  • a pressure exerted on the surface 21 which causes a tilting of the mobile part 22 around the axis of the film hinge 23, and the depression of the valve stem 3 (figure 2).
  • the product comes out of the rod valve 3, and goes up into channel 24, where it is routed to the applicator 35, between the teeth 27 carried by the surface 26, and fills substantially all of the volume delimited by the teeth 27.
  • the dispensing head according to the invention is characterized by improved solidity without this being detrimental, neither to its simplicity, nor to its cost price, nor to the softness of its operation.

Abstract

The dispensing and application head for a capillary product comprises a body (11) which is mounted on a reservoir (2) fitted with a pump or valve. A part (22) movable relative to the body has an activating surface (21) which on being pressed pivots around a pivoting axis (23) and causes activation of the pump. This movable part also includes an applicator (35) which is put into communication with the reservoir during pump activation to receive a product dose to apply on the surface. The body has stops (28,29) for preventing any movement of the movable part other than around its pivoting axis.

Description

La présente invention a trait à une tête pour la distribution et l'application d'un produit, notamment capillaire. L'invention est tout particulièrement adaptée à la distribution et à l'application de produits de coloration, en particulier lorsque ceux-ci sont sous forme de mousse. L'invention concerne également un ensemble de conditionnement équipé d'une tête selon l'invention.The present invention relates to a head for dispensing and applying a product, especially hair. The invention is particularly suitable for distribution and application of coloring products, especially when these are in the form of foam. The invention also relates to a packaging unit equipped with a head according to the invention.

Il existe dans le domaine de la coloration capillaire, un besoin pour de nouveaux applicateurs, susceptibles notamment de faciliter la gestuelle à l'application. Un tel besoin existe en particulier pour l'application de produits capillaires, notamment des produits de coloration, sous forme de mousse, de crème ou de gel.There exists in the field of hair coloring, a need for new applicators, in particular likely to facilitate gestures to the application. Such a need exists in particular for the application of products capillaries, in particular coloring products, in the form of foam, cream or gel.

Il existe sur le marché, un très grand nombre d'applicateurs, destinés à être montés sur des aérosols, ou sur des récipients équipés d'une pompe. De tels applicateurs peuvent avoir des formes diverses et variées. Il peut s'agir de brosses ou de peignes présentant des dents qui, éventuellement peuvent être traversées par un ou plusieurs canaux d'alimentation. Un des problèmes, liés à ce genre d'applicateur est que, soit ils sont simples et économiques, mais très fragiles, soit ils sont robustes, mais constitués d'un nombre important de pièces, incompatible avec les besoins de rentabilité économique du marché.There are a large number of applicators on the market, intended to be mounted on aerosols, or on containers fitted with a pump. Such applicators can have various and varied forms. It could be brushes or combs with teeth which possibly can be crossed by one or more supply channels. One of the problems, related to this kind of applicator is that either they are simple and economical but very fragile, or they are robust, but made up of a significant number of parts, incompatible with the needs of market economic profitability.

En effet, dans le cas d'un récipient aérosol, ce dernier communique avec l'extérieur par une valve, sur laquelle est monté un bouton poussoir pour l'actionnement de la valve et la distribution du produit. Un tel bouton poussoir doit être mobile soit parallèlement au plan axial du bouton (dans le cas d'une valve à enfoncement) soit perpendiculairement au plan axial du bouton (dans le cas d'une valve à basculement). Indeed, in the case of an aerosol container, the latter communicates with the exterior by a valve, on which is mounted a push button for actuation of the valve and distribution of the product. Such a push button must be movable either parallel to the axial plane of the button (in the case of a push-in valve) or perpendicular to the axial plane of the button (in the in the case of a tilting valve).

L'applicateur, monté sur le bouton poussoir, peut être fixe par rapport au bidon, auquel cas la structure de l'ensemble est complexe. En effet, l'applicateur doit être disposé de manière à laisser au bouton poussoir, toute la latitude nécessaire à son mouvement. En outre une liaison étanche doit être assurée entre le réservoir et l'applicateur. Une telle conception conduit à des ensembles, actuellement commercialisés, comportant un nombre de pièces important, et donc d'un coût de revient trop élevé.The applicator, mounted on the push button, can be fixed relative to the container, in which case the structure of the whole is complex. Indeed, the applicator must be arranged in such a way as to leave all the latitude to the push button necessary for its movement. In addition, a tight connection must be ensured. between the reservoir and the applicator. Such a design leads to sets, currently on the market, comprising a number of pieces important, and therefore of too high a cost price.

Selon une alternative, l'applicateur peut être solidaire de la partie mobile du bouton poussoir, ce qui permet de réaliser une structure en une seule pièce, dans laquelle l'étanchéité est plus facile à réaliser de manière efficace et économiquement viable. Toutefois, selon cette alternative, se pose un problème de fragilité. En effet, dans le cas d'une valve à basculement, dite aussi, valve "tilt", la présence de "noeuds" dans les cheveux peut provoquer un actionnement intempestif de la valve, et donc le dépôt d'une quantité excédentaire de produit sur la chevelure. Un tel excédent peut soit tomber par terre ou sur les épaules de l'utilisatrice, ou générer, notamment dans le cas d'une coloration, une qualité d'application non satisfaisante. Dans le cas d'une valve à enfoncement, la jonction entre la partie mobile du bouton poussoir et le corps fixe du bouton poussoir, est généralement assurée par une charnière film, réalisant une liaison souple et solide lorsque sollicitée autour de son axe. Toutefois, un des inconvénients inhérents à de telles charnières réside dans le fait que, lorsqu'elles sont sollicitées dans des directions autres qu'autour de l'axe normal d'articulation, notamment lorsque l'applicateur rencontre un noeud, elles sont soumises à des couples de torsion importants, pouvant aller jusqu'à provoquer leur déchirure, ce qui rend l'ensemble totalement inutilisable.According to an alternative, the applicator can be secured to the movable part of the push button, which allows to realize a structure in one piece, in which sealing is easier to perform effectively and economically viable. However, according to this alternative, there is a fragility problem. Indeed, in the case of a tilting valve, called also, tilt valve, the presence of "knots" in the hair can cause a untimely actuation of the valve, and therefore the deposit of a quantity excess product on the hair. Such excess can either fall through ground or on the shoulders of the user, or generate, especially in the case of a coloring, an unsatisfactory quality of application. In the case of a push-in valve, the junction between the moving part of the push button and the fixed body of the push button, is generally provided by a hinge film, making a flexible and solid connection when stressed around its axis. However, one of the drawbacks inherent in such hinges lies in the fact that when requested in directions other than around the normal axis of articulation, in particular when the applicator encounters a node, they are subjected to significant torques, up to cause them to tear, which makes the assembly totally unusable.

Aussi, est-ce un des objets de l'invention que de réaliser une tête de distribution, résolvant en tout ou partie les problèmes discutés ci-avant en référence aux dispositifs conventionnels. It is therefore one of the objects of the invention to produce a head for distribution, solving all or part of the problems discussed above in reference to conventional devices.

C'est en particulier un objet de l'invention que de réaliser une tête de distribution, à la fois robuste et pouvant être obtenu à un faible coût de revient.It is in particular an object of the invention to produce a head for distribution, both robust and obtainable at low cost.

C'est un autre objet de l'invention que de réaliser une tête de distribution, comportant un applicateur obtenu de moulage avec la tête de distribution, et qui soit agréable à l'utilisation, solide, et à coût de revient économiquement acceptable.It is another object of the invention to produce a dispensing head, comprising an applicator obtained from molding with the dispensing head, and which is pleasant to use, solid, and cost-effective acceptable.

D'autres objets de l'invention apparaítront de manière plus détaillée dans la description qui suit.Other objects of the invention will appear in more detail in the description which follows.

Selon l'invention, ces objets sont atteints en réalisant une tête pour la distribution et l'application d'un produit, notamment capillaire comprenant un corps destiné à être monté sur un réservoir équipé d'une pompe ou d'une valve, et une partie mobile par rapport au corps, ladite partie mobile comportant une surface d'actionnement pouvant être déplacée de manière à provoquer, par pivotement autour d'un axe d'articulation reliant la partie mobile au corps, l'actionnement de la pompe ou de la valve, ladite partie mobile comprenant également un applicateur destiné à être mis en communication avec le réservoir lors de l'actionnement de la pompe ou de la valve, afin de recevoir une dose de produit à appliquer sur une surface, caractérisée en ce que le corps comporte des moyens formant butée pour empêcher sensiblement tout mouvement de la partie mobile autre qu'autour de l'axe d'articulation.According to the invention, these objects are achieved by making a head for the distribution and application of a product, in particular a hair product comprising a body intended to be mounted on a tank fitted with a pump or valve, and a part movable relative to the body, said movable part comprising an actuating surface which can be moved so as to cause, by pivoting about an articulation axis connecting the mobile part to the body, actuating the pump or the valve, said movable part comprising also an applicator intended to be put in communication with the tank when the pump or valve is actuated, to receive a dose of product to be applied to a surface, characterized in that the body comprises means forming a stop to prevent substantially all movement of the mobile part other than around the articulation axis.

Ainsi, lorsque l'applicateur est arrêté par la présence d'un noeud dans la chevelure, il vient en engagement contre les moyens formant butée latérale, ce qui empêche au niveau de l'axe d'articulation, sensiblement toute contrainte qui ne soit pas autour dudit axe. Ainsi, il n'y a pas de risque d'endommagement de la tête de distribution au niveau dudit axe. En d'autres termes, la partie mobile ne peut bouger qu'autour de l'axe d'articulation (notamment lors de l'actionnement de la pompe ou de la valve), tout autre mouvement étant empêché par la présence des moyens formant butée. So when the applicator is stopped by the presence of a node in the hair, it comes into engagement against the means forming a lateral stop, this which prevents at the level of the axis of articulation, substantially any stress which is not around said axis. Thus, there is no risk of damage to the dispensing head at said axis. In other words, the moving part can only move around the articulation axis (especially when actuation of the pump or valve), any other movement being prevented by the presence of the means forming a stop.

Avantageusement, l'applicateur est monté sur l'extrémité libre d'un bras, lesdits moyens formant butée étant constitués de deux arc-boutants disposés de part et d'autre du bras. De tels arc-boutants peuvent s'étendre sur environ 1/4 à 3/4 de la hauteur axiale du bras, et de préférence, sur ½ à ¾ de la hauteur axiale du bras.Advantageously, the applicator is mounted on the free end of an arm, the said abutment means consisting of two flying buttresses arranged on one side one side of the arm. Such flying buttresses can extend over approximately 1/4 to 3/4 of the axial height of the arm, and preferably ½ to ¾ of the axial height of the arm.

Selon une forme de réalisation particulière, l'applicateur est constitué d'une brosse formée d'un support sur lequel sont implantées, de façon sensiblement perpendiculaire à un axe de la tête, une pluralité de poils ou dents, ledit support comportant au moins un orifice relié à un canal d'alimentation, pour la mise en communication de l'applicateur avec le réservoir. Le support peut être de forme quelconque, en particulier ovale. L'orifice peut être partiellement obstrué par un organe de diffusion, du type grille ou organe poreux (fritté), de manière à permettre une expansion ou un meilleur foisonnement du produit, et ainsi, une meilleure répartition de la mousse sur la brosse, lors de sa sortie.According to a particular embodiment, the applicator consists of a brush formed of a support on which are implanted, substantially perpendicular to an axis of the head, a plurality of bristles or teeth, said support comprising at least one orifice connected to a supply channel, for placing communication of the applicator with the reservoir. The support can be shaped any, especially oval. The opening may be partially blocked by a diffusion member, of the grid type or porous member (sintered), so as to allow expansion or better expansion of the product, and thus, a better distribution of the foam on the brush when it comes out.

Préférentiellement, l'axe d'articulation est constitué d'une charnière film. Une telle caractéristique permet la réalisation d'une tête de distribution mono-pièce, obtenue de moulage de matériaux thermoplastiques, notamment de polyéthylènes ou de polypropylènes, et donc à faible coût de revient.Preferably, the articulation axis consists of a film hinge. A such a characteristic makes it possible to produce a one-piece dispensing head, obtained from molding of thermoplastic materials, in particular from polyethylenes or polypropylenes, and therefore at low cost.

Avantageusement, le corps comporte des moyens pour l'accrochage de la tête sur le réservoir. De tels moyens comportent par exemple un bourrelet apte à coopérer par claquage avec une rainure annulaire prévue sur la partie supérieure d'un réservoir, ou avec un bourrelet formé par une collerette de sertissage de la valve sur le réservoir.Advantageously, the body includes means for attaching the head on the tank. Such means comprise for example a bead capable of cooperate by snapping with an annular groove provided on the part top of a tank, or with a bead formed by a flange of crimping the valve on the tank.

Selon un autre aspect de l'invention, on réalise également un ensemble de conditionnement, de distribution et d'application comprenant un réservoir surmonté d'une pompe ou d'une valve, et, surmontant la pompe ou la valve, une tête pour la distribution et l'application d'un produit contenu dans le réservoir, caractérisé en ce qu'il utilise une tête de distribution selon l'invention. Dans le cas d'un dispositif à valve, le produit peut être pressurisé à l'intérieur du réservoir au moyen de gaz liquéfiables ou non liquéfiables. A titre d'exemple, on peut citer de l'azote, un mélange de propane et de butane, de l'air comprimé, du protoxyde d'azote, du dioxyde de carbone, ou des fréons, etc..According to another aspect of the invention, a set of packaging, distribution and application including a reservoir surmounted by a pump or a valve, and, surmounting the pump or the valve, a head for the distribution and application of a product contained in the tank, characterized in that it uses a dispensing head according to the invention. In the case of a valve device, the product can be pressurized inside the tank by means of liquefiable or non-liquefiable gases. For exemple, we can mention nitrogen, a mixture of propane and butane, air tablet, nitrous oxide, carbon dioxide, or freons, etc.

L'invention concerne également l'utilisation d'un tel ensemble pour le conditionnement, la distribution et l'application d'un produit capillaire, notamment un produit de coloration, en particulier sous forme de mousse.The invention also relates to the use of such an assembly for the packaging, distribution and application of a hair product, in particular a coloring product, in particular in the form of foam.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions qui seront explicitées ci-après, à propos d'exemples de réalisation non limitatifs, décrits en référence aux figures annexées, parmi lesquelles :

  • la figure 1 représente une vue en perspective d'un ensemble de conditionnement et de distribution, surmonté d'une tête de distribution selon un mode de réalisation de l'invention;
  • la figure 2 représente l'ensemble de la figure 1, avec la tête de distribution en position d'actionnement; et
  • les figures 3A-3C illustrent différentes vues d'une tête de distribution conforme à celle équipant l'ensemble de conditionnement et de distribution illustré aux figures 1 et 2.
The invention consists, apart from the arrangements set out above, of a certain number of other arrangements which will be explained below, with reference to nonlimiting exemplary embodiments, described with reference to the appended figures, among which:
  • FIG. 1 represents a perspective view of a packaging and distribution assembly, surmounted by a distribution head according to an embodiment of the invention;
  • Figure 2 shows the assembly of Figure 1, with the dispensing head in the actuating position; and
  • FIGS. 3A-3C illustrate different views of a dispensing head conforming to that equipping the packaging and dispensing assembly illustrated in FIGS. 1 and 2.

Le dispositif 1 illustré aux figures 1, 2 et 3A-3C comporte un réservoir 2, sous forme d'un bidon aérosol surmonté d'une valve 41 comportant une tige de valve émergente 3, du type à enfoncement. Une tête de distribution et d'application 10 est montée sur le réservoir. Cette tête de distribution 10 comprend une partie fixe, constituée d'un corps 11 comportant une première jupe cylindrique 12 dont l'extrémité présente un bord libre délimitant une ouverture 13. La paroi intérieure de la jupe cylindrique 12 présente un bourrelet interne 14 au voisinage de l'ouverture 13, apte à coopérer par claquage avec un bourrelet 15 formé par une collerette de sertissage de la valve 41 sur le réservoir 2. La première jupe cylindrique 12 est raccordée à une seconde jupe cylindrique 16 de plus faible diamètre par un épaulement 17. A son extrémité opposée à l'épaulement 17, la jupe cylindrique 16 est raccordée à une paroi transversale 18 présentant une découpe 19 de forme correspondante à la forme d'un organe d'actionnement 20. L'organe d'actionnement 20 présente une portion de surface 21 destinée à former une surface d'appui pour l'actionnement de la valve. Le réservoir présente au voisinage de son extrémité supérieure une gorge 42 apte à permettre le montage amovible d'un capuchon sur la tête de distribution 10 (non représenté).The device 1 illustrated in FIGS. 1, 2 and 3A-3C comprises a reservoir 2, under shape of an aerosol canister surmounted by a valve 41 comprising a valve stem emergent 3, of the push-in type. A distribution and application head 10 is mounted on the tank. This dispensing head 10 includes a fixed part, consisting of a body 11 comprising a first cylindrical skirt 12, the end of which has a free edge delimiting an opening 13. The wall inside of the cylindrical skirt 12 has an internal bead 14 at the vicinity of the opening 13, capable of cooperating by snap-fastening with a bead 15 formed by a crimping flange of the valve 41 on the reservoir 2. The first cylindrical skirt 12 is connected to a second cylindrical skirt 16 of smaller diameter by a shoulder 17. At its end opposite to the shoulder 17, the cylindrical skirt 16 is connected to a transverse wall 18 having a cutout 19 of shape corresponding to the shape of a actuator 20. The actuator 20 has a portion of surface 21 intended to form a bearing surface for actuating the valve. The reservoir has in the vicinity of its upper end a groove 42 capable of allowing the removable mounting of a cap on the head of distribution 10 (not shown).

L'organe d'actionnement 20 est solidaire d'une partie mobile 22 dont une portion opposée à l'organe d'actionnement 20 est reliée à la paroi transversale 18 par une charnière film 23. La partie mobile 22 comporte un canal 24 monté à force sur la tige de valve 3. Le canal 24 s'étend sur toute la longueur d'un bras 25, et débouche sur un orifice 40 situé sensiblement au centre d'un applicateur 35. L'applicateur 35 est constitué d'une surface ovoïde 26 formant un support pour une pluralité de dents 27 espacées de manière régulière sur toute la périphérie de ladite surface ovoïde. Les dents 27 sont orientées de manière sensiblement perpendiculaire à l'axe X du dispositif. L'orifice 40 peut être obstrué partiellement, au moyen d'une grille par exemple (non représentée) ou de tout autre organe déflecteur, de manière à permettre une meilleure répartition de la mousse sur la surface de la brosse.The actuator 20 is integral with a movable part 22, one of which portion opposite to the actuator 20 is connected to the transverse wall 18 by a film hinge 23. The movable part 22 comprises a channel 24 mounted by force on the valve stem 3. The channel 24 extends over the entire length of a arm 25, and opens onto an orifice 40 located substantially in the center of a applicator 35. The applicator 35 consists of an ovoid surface 26 forming a support for a plurality of teeth 27 spaced evenly on the entire periphery of said ovoid surface. The teeth 27 are oriented from substantially perpendicular to the X axis of the device. Port 40 can be partially obstructed, for example by a grid (not shown) or any other deflector, so as to allow better distribution of the foam on the surface of the brush.

Selon une caractéristique importante de l'invention, la partie fixe 11 porte de part et d'autre du bras 25 deux arc-boutants 28, 29 comportant chacun une face intérieure 30, 31, disposée en regard d'une face correspondante 32, 33 du bras 25. Les arc-boutants 28, 29 présentent également chacun une portion extérieure 37, 38 à profil arrondi. Comme il apparaít clairement aux figures 2 et 3B, les faces 30 et 31 sont disposées dans des plans sensiblement perpendiculaires à l'axe d'articulation défini par la charnière film 23. Un léger jeu est prévu toutefois entre le bras 25 et les faces 30, 31, de manière à ce que les arc-boutants ne gênent pas l'actionnement de la valve. Les arc-boutants 28, 29 s'étendent sur une hauteur égale sensiblement à la moitié de la hauteur du bras 25. La charnière film 23 est disposée entre la paroi transversale 18, et une première extrémité d'une zone de jonction 36 dont la seconde extrémité est reliée au bras 25 sur une face de ce dernier, perpendiculaire aux faces 32 et 33. La zone de jonction 36 est reliée au bras sensiblement au niveau de l'extrémité libre des arc-boutants. La courbure de la zone de jonction 36 est telle que, en position de repos illustrée à la figure 1, la zone de jonction 36 forme avec la surface arrondie 37, 38 des arc-boutants 28, 29, une surface sensiblement continue.According to an important characteristic of the invention, the fixed part 11 carries on either side of the arm 25 two flying buttresses 28, 29 each comprising a inner face 30, 31, disposed opposite a corresponding face 32, 33 of the arm 25. The flying buttresses 28, 29 also each have a portion exterior 37, 38 with rounded profile. As is clear from Figures 2 and 3B, the faces 30 and 31 are arranged in planes substantially perpendicular to the axis of articulation defined by the film hinge 23. A slight clearance is however provided between the arm 25 and the faces 30, 31, so that the flying buttresses do not interfere with the actuation of the valve. The flying buttresses 28, 29 extend over a height substantially equal to half the height of the arm 25. The film hinge 23 is disposed between the transverse wall 18, and a first end of a junction zone 36 whose second end is connected to the arm 25 on one side of the latter, perpendicular to the faces 32 and 33. The junction zone 36 is connected to the arm substantially at the level of the free end of the flying buttresses. The curvature of the junction zone 36 is such that, in the rest position illustrated in FIG. 1, the junction area 36 forms with the rounded surface 37, 38 of flying buttresses 28, 29, a surface substantially continuous.

Pour appliquer du produit sur la chevelure, l'utilisatrice actionne la valve au moyen d'une pression exercée sur la surface 21, ce qui provoque un basculement de la partie mobile 22 autour de l'axe de la charnière film 23, et l'enfoncement de la tige de valve 3 (figure 2). Il est à noter qu'en raison de la présence du jeu (de l'ordre de 0,5 mm à 1 mm) entre le bras 25 et les arc-boutants 28, 29, le mouvement de la partie mobile 22, en vue de l'actionnement de la valve, n'est pas gêné de manière sensible. Le produit sort de la tige de valve 3, et monte dans le canal 24, où il est acheminé jusqu'à l'applicateur 35, entre les dents 27 portées par la surface 26, et remplit sensiblement tout le volume délimité par les dents 27. L'utilisatrice porte ensuite l'applicateur sur la chevelure à la manière d'une brosse conventionnelle et déplace l'applicateur dans la chevelure de façon à appliquer le produit sur la chevelure, aux endroits désirés. Si l'applicateur rencontre notamment un noeud ou tout autre obstacle, lors de son déplacement dans la chevelure, le bras 25 viendra immédiatement en butée latérale contre l'une ou l'autre (en fonction du sens de déplacement de la brosse) des faces 30 ou 31 des arc-boutants 28 ou 29, ce qui empêchera toute torsion au niveau de la charnière film 23, et par conséquent tout endommagement de celle ci. En outre, il ne se produit aucun actionnement intempestif de la valve lorsque l'applicateur rencontre un tel obstacle.To apply product to the hair, the user activates the valve at by means of a pressure exerted on the surface 21, which causes a tilting of the mobile part 22 around the axis of the film hinge 23, and the depression of the valve stem 3 (figure 2). It should be noted that due to the presence of clearance (of the order of 0.5 mm to 1 mm) between the arm 25 and the flying buttresses 28, 29, the movement of the movable part 22, for actuation of the valve, is not significantly obstructed. The product comes out of the rod valve 3, and goes up into channel 24, where it is routed to the applicator 35, between the teeth 27 carried by the surface 26, and fills substantially all of the volume delimited by the teeth 27. The user then carries the applicator on the hair like a conventional brush and moves the applicator in the hair so as to apply the product to the hair, at the places desired. If the applicator especially encounters a knot or any other obstacle, during its displacement in the hair, the arm 25 will come immediately in lateral abutment against one or the other (depending on the direction of movement of the brush) of the faces 30 or 31 of the flying buttresses 28 or 29, which will prevent any twist at the film hinge 23, and therefore all damage to it. In addition, no actuation occurs untimely valve when the applicator encounters such an obstacle.

Au vu de la description qui précède, il ressort que la tête de distribution selon l'invention se caractérise par une solidité améliorée sans que ce cela ne nuise, ni à sa simplicité, ni à son coût de revient, ni à la douceur de son fonctionnement.In view of the above description, it appears that the dispensing head according to the invention is characterized by improved solidity without this being detrimental, neither to its simplicity, nor to its cost price, nor to the softness of its operation.

Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation préférés de l'invention. Il est évident que des variantes peuvent y être apportées sans s'écarter de l'esprit de l'invention telle que revendiquée ci-après. Ainsi, à titre d'exemple, une structure du même type pourrait être envisagée avec une valve du type à basculement, ou une pompe surmontée d'une tige de pompe. De même, il peut être envisagé de fabriquer l'ensemble sous forme d'un ou plusieurs sous-ensembles, assemblés de façon appropriée, notamment par claquage ou collage, sans pour autant sortir du cadre de l'invention. Cette dernière configuration permet notamment une plus grande flexibilité dans le design de l'applicateur, et permet l'utilisation de moules moins coûteux.In the foregoing detailed description, reference has been made to modes of preferred embodiments of the invention. It is obvious that variants may exist there. be made without departing from the spirit of the invention as claimed below. So, for example, a structure of the same type could be envisaged with a valve of the tilting type, or a pump surmounted a pump rod. Similarly, it may be envisaged to manufacture the assembly in the form of one or more sub-assemblies, assembled in an appropriate manner, in particular by snapping or gluing, without departing from the scope of the invention. This latter configuration notably allows greater flexibility in the design of the applicator, and allows the use of molds less expensive.

Claims (8)

Tête (10) pour la distribution et l'application d'un produit, notamment capillaire comprenant un corps (11) destiné à être monté fixement sur un réservoir (2) équipé d'une pompe ou d'une valve (41), et une partie mobile (22) par rapport au corps, ladite partie mobile (22) comportant une surface d'actionnement (21) pouvant être déplacée de manière à provoquer, par pivotement autour d'un axe d'articulation (23) reliant la partie mobile (22) au corps (11), l'actionnement de la pompe ou de la valve, ladite partie mobile (22) comprenant également un applicateur (35) destiné à être mis en communication avec le réservoir (2) lors de l'actionnement de la pompe ou de la valve (41), afin de recevoir une dose de produit à appliquer sur une surface, caractérisée en ce que le corps (11) comporte des moyens (28, 29) formant butée pour empêcher sensiblement tout mouvement de la partie mobile autre qu'autour de l'axe d'articulation (23).Head (10) for the distribution and application of a product, in particular capillary comprising a body (11) intended to be fixedly mounted on a tank (2) equipped with a pump or a valve (41), and a mobile part (22) relative to the body, said movable part (22) having a surface actuator (21) which can be moved so as to cause, by pivoting about a hinge pin (23) connecting the movable part (22) to the body (11), actuation of the pump or valve, said movable part (22) also comprising an applicator (35) intended to be applied communication with the reservoir (2) when the pump is actuated or the valve (41), in order to receive a dose of product to be applied to a surface, characterized in that the body (11) comprises means (28, 29) forming stop to substantially prevent any movement of the moving part other that around the articulation axis (23). Tête selon la revendication 1 caractérisée en ce que l'applicateur (35) est monté sur l'extrémité libre d'un bras (25), lesdits moyens formant butée (28, 29) étant constitués de deux arc-boutants disposés de part et d'autre du bras (25).Head according to claim 1 characterized in that the applicator (35) is mounted on the free end of an arm (25), said means forming a stop (28, 29) being made up of two flying buttresses arranged on either side of the arm (25). Tête selon la revendication 1 caractérisée en ce que les arc-boutants (28, 29) s'étendent sur environ 1/4 à 3/4 de la hauteur axiale du bras (25), et de préférence, sur ½ à ¾ de la hauteur axiale du bras.Head according to claim 1 characterized in that the flying buttresses (28, 29) extend over approximately 1/4 to 3/4 of the axial height of the arm (25), and preferably ½ to ¾ of the axial height of the arm. Tête selon l'une quelconque des revendications 1 à 3 caractérisée en ce que l'applicateur (35) est constitué d'une brosse formée d'un support (26) sur lequel sont implantées, de façon sensiblement perpendiculaire à un axe X du réservoir, une pluralité de poils ou dents (27), ledit support (26) comportant au moins un orifice (40) relié à un canal d'alimentation (24), pour la mise en communication de l'applicateur (35) avec le réservoir (2). Head according to any one of Claims 1 to 3, characterized in that that the applicator (35) consists of a brush formed by a support (26) on which are located substantially perpendicular to an axis X of the reservoir, a plurality of bristles or teeth (27), said support (26) comprising at at least one orifice (40) connected to a supply channel (24), for placing communication of the applicator (35) with the reservoir (2). Tête selon l'une quelconque des revendications 1 à 4 caractérisée en ce que l'axe d'articulation est constitué d'une charnière film (23).Head according to any one of Claims 1 to 4, characterized in that that the hinge pin consists of a film hinge (23). Tête selon l'une quelconque des revendications précédentes caractérisée en ce que le corps (11) comporte des moyens (14) pour l'accrochage de la tête (10) sur le réservoir (2).Head according to any one of the preceding claims, characterized in that the body (11) includes means (14) for hooking the head (10) on the tank (2). Ensemble de conditionnement et de distribution (1) comprenant un réservoir (2) surmonté d'une pompe ou d'une valve, et, surmontant la pompe ou la valve (41), une tête (10) pour la distribution et l'application d'un produit contenu dans le réservoir, caractérisé en ce que la tête (10) est conforme à l'une quelconque des revendications précédentes.Packaging and distribution assembly (1) comprising a tank (2) surmounted by a pump or a valve, and, surmounting the pump or the valve (41), a head (10) for dispensing and applying a product contained in the tank, characterized in that the head (10) conforms to any of the preceding claims. Utilisation d'un ensemble selon la revendication 7 pour le conditionnement, la distribution et l'application d'un produit capillaire, notamment un produit de coloration.Use of an assembly according to claim 7 for packaging, the distribution and the application of a hair product, in particular a product of coloring.
EP99400502A 1998-03-24 1999-03-02 Dispensing and applying head for a product, particularly a haircare product and packaging unit provided with such a head Expired - Lifetime EP0945368B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803600A FR2776629B1 (en) 1998-03-24 1998-03-24 HEAD FOR THE DISTRIBUTION AND APPLICATION OF A PRODUCT, IN PARTICULAR HAIR CARE, AND PACKAGING ASSEMBLY EQUIPPED WITH SUCH A HEAD
FR9803600 1998-03-24

Publications (2)

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EP0945368A1 true EP0945368A1 (en) 1999-09-29
EP0945368B1 EP0945368B1 (en) 2007-01-17

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EP99400502A Expired - Lifetime EP0945368B1 (en) 1998-03-24 1999-03-02 Dispensing and applying head for a product, particularly a haircare product and packaging unit provided with such a head

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US (1) US6000405A (en)
EP (1) EP0945368B1 (en)
JP (1) JP3207179B2 (en)
CA (1) CA2264256C (en)
DE (1) DE69934836T2 (en)
ES (1) ES2279607T3 (en)
FR (1) FR2776629B1 (en)

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US9138045B2 (en) 2010-11-26 2015-09-22 Sulzer Mixpac Ag Internally fed applicator
EP2471402A1 (en) * 2010-11-29 2012-07-04 Christian König Device for regulated coatings and distribution of highly viscous substances

Also Published As

Publication number Publication date
US6000405A (en) 1999-12-14
FR2776629A1 (en) 1999-10-01
JP3207179B2 (en) 2001-09-10
CA2264256A1 (en) 1999-09-24
JPH11314690A (en) 1999-11-16
ES2279607T3 (en) 2007-08-16
CA2264256C (en) 2003-08-19
DE69934836T2 (en) 2007-10-18
FR2776629B1 (en) 2000-05-12
DE69934836D1 (en) 2007-03-08
EP0945368B1 (en) 2007-01-17

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