EP0382591A1 - Dispenser for pasty or solid products with a coated dispensing opening - Google Patents

Dispenser for pasty or solid products with a coated dispensing opening Download PDF

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Publication number
EP0382591A1
EP0382591A1 EP90400143A EP90400143A EP0382591A1 EP 0382591 A1 EP0382591 A1 EP 0382591A1 EP 90400143 A EP90400143 A EP 90400143A EP 90400143 A EP90400143 A EP 90400143A EP 0382591 A1 EP0382591 A1 EP 0382591A1
Authority
EP
European Patent Office
Prior art keywords
piston
product
reservoir
motor mechanism
rod
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
EP90400143A
Other languages
German (de)
French (fr)
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EP0382591B1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0382591A1 publication Critical patent/EP0382591A1/en
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Publication of EP0382591B1 publication Critical patent/EP0382591B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D33/00—Containers or accessories specially adapted for handling powdery toiletry or cosmetic substances
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/16—Refill sticks; Moulding devices for producing sticks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • A45D40/262—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball using a brush or the like

Definitions

  • the present invention relates to a dispenser of a pasty or solid product intended to be spread.
  • this dispenser is of the type comprising a reservoir and a translatable piston in slow advance in this reservoir, in order to eject the product out of it, and this by means of a manually controlled motor mechanism.
  • This dispenser can be used for poured products, such as lipstick, as well as for extruded products, such as foundation, or compacted products, such as eyeshadow.
  • the piston which drives the product to be ejected in translation is generally mounted at the end of a threaded rod which cooperates with a nut secured to the dispenser.
  • This rod is itself rotated step by step by a push button actuated by the user (see, for example, French patent 2,555,471 and French patent application 88-0 ⁇ 50 ⁇ 26 filed on April 15, 1988).
  • the part comprising the motor mechanism When filling these dispensers, the part comprising the motor mechanism is generally separated from the tank part. This makes it possible, in fact, to prevent a false filling operation from rendering unusable, and therefore unsaleable, the part comprising the motor mechanism, which is of a relatively high cost price. Pouring a product inside the tank presents no difficulty since it suffices to close this tank by a bottom, in order to form a container. However, extruding or compacting a product inside a container poses often, for their part, implementation problems.
  • the present invention provides a device for overcoming these drawbacks. It proposes, in fact, a dispenser comprising a reservoir which is filled by its end opposite to its dispensing opening.
  • the edges of this dispensing opening are provided with an air permeable material and are embedded in a bore provided in a support whose bottom forms with the walls of the tank a container.
  • This layer thus serves as a vent and allows, with the same device composed of a reservoir embedded in a support, as well to flow, to compact, or to extrude a product.
  • a device according to the invention makes it possible to position the product exactly at the level of the dispensing opening of the reservoir.
  • this simple layer of breathable material offers many other advantages. It makes it possible, in particular, to conceal the shrinkage which often appears with aging of cosmetic products, their peripheral end tending to shrink.
  • This layer can also serve as an applicator pad allowing the product to be spread and to prevent it from staining the reservoir externally.
  • this layer has the advantage, when it is a product to be spread on the skin, of softening the contact between the skin and the dispenser.
  • the present invention therefore relates to a distributor of solid or pasty product to spread, said product being contained in a reservoir and delivered by means of a motor mechanism controlled manually by the user, said reservoir being a tube whose interior is cylindrical and of any section, tube which has a dispensing orifice and in which said product is disposed between said dispensing orifice and a displaceable piston, at slow advance, the translation of the piston being obtained by means of the motor mechanism, said motor mechanism comprising a rod at the end of which said piston is mounted, the edges of the dispensing orifice being covered, at least partially, with a layer which is used for applying the product, and is made of a material permeable to air, said layer being positioned astride said edges.
  • the material of the layer used for applying the product may be porous and spongy.
  • the layer can be a flock or a synthetic foam with open or closed cells. If the layer is a flock, it can be glued or deposited by electrostatic process on the edges of the dispensing orifice.
  • the piston is crossed from its face closest to the product to its face opposite the elements of the motor mechanism, by at least one channel.
  • This channel can be located in the axial extension of the rod.
  • the piston and the rod can be two separate parts, the head of the rod resting on a surface of the piston to push it in translation.
  • the end of the head of the rod may carry a needle whose free end is shaped substantially conically, the surface of the piston with which it cooperates having a conical shape corresponding to that of the end of the needle.
  • the surface of the piston substantially shaped like a cone can be extended by boring the guides.
  • the needle may include in the vicinity of its end which is assembled on the rod, a plate perpendicular to the axis of the rod.
  • the peripheral wall of the piston is provided with at least one annular lip, in contact, with a slight tightening, with the internal wall of the reservoir.
  • the piston can comprise at least one annular lip towards each of its end faces.
  • the edge of the dispensing orifice is disposed at an angle relative to the axis of the reservoir.
  • the reservoir can be fitted inside a tubular end-piece with which it is associated, its external wall and the internal wall of the end-piece each being provided with a helical ramp, said helical ramps cooperating to keep the reservoir in angular position. determined with respect to said tip.
  • the reservoir can be removable relative to the motor mechanism and the rod can be disengaged from the motor mechanism when the assembly is assembled. tank on said motor mechanism.
  • the rod may be a screw driven in rotation by the motor mechanism and cooperating with a nut fixed relative to the end piece, the nut being split along a generator, the end of the reservoir, which is opposite the orifice of distribution of said tank, fitting by conical fitting on the outer walls of the nut.
  • the distributor comprises a reservoir 1, which is mounted on a part 2 comprising the motor mechanism of the distributor. These two parts of the distributor are fitted and held in place in a tubular end piece 3, which forms an overcap constituting the body of the distributor.
  • the overcap 3 is fixed, for example by screwing or snapping onto a base 26 secured to the motor mechanism.
  • the reservoir 1 is a tube, the interior of which, intended to contain a product P consisting of a compacted paste or powder, is a straight cylinder of circular cross section. One of its ends is a dispensing orifice 4. Towards its other end is threaded the piston 5, which comes into contact with the product P and which cooperates with the end of a screw 6. The thread of this screw 6 cooperates with the threading of a nut 7 of the motor mechanism 2, in order to drive the piston 5 in translation along the axis of the reservoir 1.
  • the dispensing opening 4 of the reservoir 1 is at an angle relative to the axis of the latter ci, with an inclination of 60 ⁇ ° with respect to a plane orthogonal to the axis of the tank.
  • the outer face of the wall of the tank 1 is slightly frustoconical. This outer wall matches the inner wall of the tubular end cap or overcap 3, in which it is fitted: part of the reservoir 1, towards the dispensing opening 4, protrudes from the overcap 3.
  • the end 9 of the overcap 3, closer to the opening 4, is also oblique to the axis of the tank 1 and is parallel to the plane, in which the opening 4 is located.
  • the wall of the overcap 3 widens from the end 9 approximately to the middle of tank 1.
  • the edges of the dispensing opening 4 are coated with a flock layer 8.
  • This flock layer 8 is positioned astride the edges of the opening 4, the flock surface 8 inside the tank 1 being less important than the flock surface outside the tank 1.
  • the thickness of this flock layer 8 is less than 30% of the thickness of the edge of the dispensing opening 4.
  • the end of the flock 8 furthest from the opening 4, on the surface of the reservoir 1, is positioned on a circle in a plane orthogonal to the axis of the reservoir 1.
  • the flocking is obtained before filling, so as to avoid pollute the product, by electrostatic deposition of bristles, or by bonding of these bristles, on the walls of the tank.
  • the end of this mandrel closest to the opening 4 is slightly offset, in the tank 1, relative to the edges of the opening 4, so that the flock 8 can be deposited on the inside wall of the tank 1, its deposition surface being perfectly delimited by the level of the mandrel.
  • the flock can be replaced by a synthetic foam, foamed, for example, "in situ".
  • the piston 5 is an element of revolution. One of its faces is a plate 10 ⁇ in contact with the product P. This plate 10 ⁇ is crossed by a channel 11 axially centered and extended in the piston 5, beyond the plate 10 ⁇ , by a conical recess 12 formed in the body of the piston 5. This conical recess 12 is itself extended axially by a bore 14, which opens on the other face of the piston 5.
  • Each of the end faces of the piston 5 is surrounded at its periphery by an annular lip 13 intended to be in contact with a slight tightening with the inner wall of the reservoir 1.
  • the head of the screw 6 carries a needle 16 whose conical end 15 is intended to cooperate with the conical recess 12 of the piston 5.
  • the needle 16 is a cylindrical body whose the diameter is slightly smaller than that of bore 14; it fits by sliding in this bore 14.
  • the needle 16 comprises, at its end opposite the conical part 15, a plate 17, which is a disc bearing on the rod 6; this disc has a larger diameter than the diameters of the rod 6 and of the cylindrical body of the needle 16.
  • the nut 7 is a split nut housing three sectors 18 distributed symmetrically around the axis of the nut 7. These three sectors 18 are connected at one of their ends by a cylindrical skirt 20 ⁇ extending their peripheral walls. Their ends opposite to this skirt 20 ⁇ forming the frustoconical head of the nut, which is crossed axially by a bore 19 having substantially the same diameter as the screw 6 which is arranged inside. The bore 19 is threaded at its end opposite to the skirt 20 ⁇ . Its thread 21 is intended to cooperate with that of the screw 6.
  • the inner wall of the reservoir 1 is provided, at its end opposite to the dispensing opening 4, with a bearing 24 shaped frusto-conically so as to adapt to the nut head 7.
  • the overcap 3 of the dispenser and the reservoir 1 are each provided, towards the end of the reservoir 1 opposite the dispensing opening 4, with a helical ramp (22, 23), the ramp 22 being arranged on the outer wall of the tank 1, the ramp 23 being disposed on the inner wall of the overcap 3.
  • These two ramps 22 and 23 are each formed by a recess of the wall on which they are arranged.
  • the wall of the reservoir 1 is, at the level of the ramp 22, thinner on the side close to the dispensing opening 4 than on the other side with respect to the ramp 22.
  • the wall of the overcap 3 is at level of the ramp 23, thicker in its part closest to the open end 9 than on the other side with respect to the ramp 23.
  • the tank 1, the overcap 3, the piston 5 and the nut 7 are molded plastic parts. After obtaining these different parts, we proceed, firstly, to fill the tank 1 and, separately, to assemble the parts of part 2 of the distributor comprising the motor mechanism.
  • a motor mechanism can be of the type described in the patent application filed in France by the applicant under the number 88.0 ⁇ 50 ⁇ 26; it comprises, in particular, a spring R and a push button 25 mounted at the end of the base 26, which is the farthest from the tank 1; the depression of the push button 25 makes it possible to control the translation of the piston 5 and the spring R ensures the return of said push button.
  • the reservoir 1 is mounted on the part 2 comprising the motor mechanism by fitting the assembly into the overcap 3.
  • the end of the motor device opposite the nut 7 is integral with the base 26 on which attaches the end of the overcap 3.
  • This base 26 is screwed onto an internal thread 27, which is provided with the corresponding end of the overcap 3.
  • the fixing is effected by snap-fastening.
  • the tank 1 is held vertically in a bore formed in a support 28, a bore in which its dispensing opening 4 is embedded, the conical bearing 24 opening upwards.
  • the bottom of the bore of the support 28 is an inclined plane on which the bungs of the distribution opening 4 rest. Its side wall follows and clamps the flock 8 against the edges of the distribution opening 4.
  • the reservoir 1 and the support 28 thus forming, together, a container having a bottom, capable of retaining liquid or solid substances and into which it is possible to pour a product, for example, lipstick.
  • the piston 5 is threaded, its plate 10 ⁇ being directly opposite the product P.
  • the piston 5 slides in the interior cylinder of the reservoir 1 until its plate 10 ⁇ is in contact with the product P, whatever the level of filling of the product P in the tank; the air between the plate 10 ⁇ and the product P escapes through the channel 11.
  • the screw 6 is then positioned so that the conical part 15 of its needle 16 is embedded in the conical recess 12 of the piston 5 after have been guided in the cylindrical bore 14.
  • the assembly is then assembled and ready to serve.
  • the user releases from the reservoir 1 a thin layer of product P which he applies at the desired location by spreading it over the layer of flock 8, which thus serves as an applicator pad and prevents the product P does not smudge the edges of the reservoir 1.
  • the layer of flock 8 has, in addition, the advantage of softening the contact between the skin and the dispenser. Once spread, the product P is found substantially just below the end of the wall of the tank 1. It is also possible to associate the dispensing opening 4 with a plug (not shown) making it possible to prevent the product P does not dry out or deteriorate.

Abstract

Le distributeur de produit pâteux ou solide à étaler comporte un réservoir (1) contenant ledit produit (P), ledit produit (P) étant délivré grâce à un mécanisme-moteur commandé manuellement par l'utilisateur, ledit réservoir (1) étant un tube, dont l'intérieur est cylindrique et de section quelconque, tube qui comporte un orifice de distribution (4) et dans lequel ledit produit (P) est disposé entre ledit orifice de distribution (4) et un piston (5) déplaçable, à avance lente, la translation du piston étant obtenue au moyen du mécanisme-moteur, ledit mécanisme-moteur comportant une tige (6) en bout de laquelle est monté ledit piston (5), ledit piston (5) étant traversé, de sa face (1Ø) la plus proche du produit (P) à sa face en regard des éléments du mécanisme-moteur, par au moins un canal (11). Les bords de l'orifice de distribution (4) sont recouverts, au moins partiellement, d'une couche (8), qui sert à l'application du produit (P) et est réalisée en un matériau perméable à l'air, ladite couche (8) étant positionnée à cheval sur lesdits bords.The distributor of pasty or solid product to be spread comprises a reservoir (1) containing said product (P), said product (P) being delivered by means of a motor mechanism controlled manually by the user, said reservoir (1) being a tube , the interior of which is cylindrical and of any cross-section, tube which has a dispensing orifice (4) and in which said product (P) is disposed between said dispensing orifice (4) and a displaceable piston (5) slow, the translation of the piston being obtained by means of the motor mechanism, said motor mechanism comprising a rod (6) at the end of which is mounted said piston (5), said piston (5) being traversed, from its face (1Ø ) closest to the product (P) on its face opposite the elements of the motor mechanism, by at least one channel (11). The edges of the dispensing orifice (4) are covered, at least partially, with a layer (8), which is used for applying the product (P) and is made of a breathable material, said layer (8) being positioned astride said edges.

Description

La présente invention est relative à un dis­tributeur d'un produit pâteux ou solide destiné à être étalé. En particulier, ce distributeur est du type comportant un réservoir et un piston translatable en avance lente dans ce réservoir, afin d'éjecter hors de celui-ci le produit, et ce grâce à un mécanisme-moteur commandé manuellement. Ce distributeur peut être aussi bien utilisé pour des produits coulés, comme du rouge à lèvres, que pour des produits extrudés, comme du fond de teint, ou des produits compactés, comme du fard à paupières.The present invention relates to a dispenser of a pasty or solid product intended to be spread. In particular, this dispenser is of the type comprising a reservoir and a translatable piston in slow advance in this reservoir, in order to eject the product out of it, and this by means of a manually controlled motor mechanism. This dispenser can be used for poured products, such as lipstick, as well as for extruded products, such as foundation, or compacted products, such as eyeshadow.

De tels distributeurs sont déjà connus et depuis longtemps à la disposition des consommateurs. Le piston qui entraîne en translation le produit à éjecter, est généralement monté en bout d'une tige filetée, qui coopère avec un écrou solidaire du dis­tributeur. Cette tige est elle-même entraînée en rota­tion pas à pas par un bouton-poussoir actionné par l'utilisateur (voir, par exemple, le brevet français 2 555 471 et la demande de brevet français 88-0̸50̸26 déposée le 15 Avril 1988).Such distributors have already been known and have long been available to consumers. The piston which drives the product to be ejected in translation is generally mounted at the end of a threaded rod which cooperates with a nut secured to the dispenser. This rod is itself rotated step by step by a push button actuated by the user (see, for example, French patent 2,555,471 and French patent application 88-0̸50̸26 filed on April 15, 1988).

Lors de la mise en oeuvre de remplissage de ces distributeurs, on sépare généralement la partie comportant le mécanisme-moteur de la partie réservoir. Ceci permet, en effet, d'éviter qu'une fausse manoeuvre de remplissage ne rende inutilisable, et donc invendable, la partie comportant le mécanisme moteur, qui est d;un prix de revient relativement élevé. Le coulage d'un produit à l'intérieur du réservoir ne présente aucune difficulté puisqu'il suf­fit de fermer ce réservoir par un fond, afin de former un récipient. Cependant, l'extrusion ou le compactage d'un produit à l'intérieur d'un récipient posent souvent, quant à eux, des problèmes de réalisation.When filling these dispensers, the part comprising the motor mechanism is generally separated from the tank part. This makes it possible, in fact, to prevent a false filling operation from rendering unusable, and therefore unsaleable, the part comprising the motor mechanism, which is of a relatively high cost price. Pouring a product inside the tank presents no difficulty since it suffices to close this tank by a bottom, in order to form a container. However, extruding or compacting a product inside a container poses often, for their part, implementation problems.

Si l'on cherche, en effet, à extruder un produit dans un récipient ayant un fond en faisant en sorte que ce produit épouse, sensiblement, les parois intérieures de ce récipient, lorsque le produit tombe dans le récipient, l'air comprise entre le fond du récipient et le produit se trouve emprisonné et a ten­dance à stopper l'avance du produit vers le fond du récipient. Malgré les quelques fuites d'air qui peu­vent exister par les interstices entre le produit et les parois du récipient (interstices qui se forment au cours de remplissage et qui sont nuisiles à l'aspect extérieur du produit exrudé dans le réservoir), il reste toujours une couche d'air entre le fond du récipient et le produit. Dans le cas où le fond du récipient correspond à la surface du piston en regard du produit, l'action de ce piston sur le produit se trouve nécessairement amortie et la réponse du mécanisme-moteur aux stimulations manuelles exercées par l'utilisateur sur le bouton-poussoir est généralement déformée. Dans le cas où l'on extrude le produit par la partie du réservoir opposée à son ouverture de distribution - le piston étant mis en place dans le réservoir après remplissage - et où cette ouverture de distribution est associée à un élément qui l'obture pour former avec les parois du réservoir un récipient, la couche d'air empêchera le produit de remplir le réservoir jusqu'à l'ouverture de distribution. Il restera, au niveau de l'ouverture de distribution, un volume vide plus ou moins important et l'utilisateur devra nécessairement, avant de pouvoir se servir de son distributeur, actionner plusieurs fois le bouton-poussoir pour faire remonter le produit dans le réservoir. Le mécanisme-moteur étant un mécanisme à avance lente, cela est un inconvénient certain pour la commercialisation du distributeur.If, in fact, it is sought to extrude a product into a container having a bottom, so that this product substantially matches the interior walls of this container, when the product falls into the container, the air between the bottom of the container and the product is trapped and tends to stop the advance of the product towards the bottom of the container. Despite the few air leaks that may exist through the interstices between the product and the container walls (interstices that form during filling and which are detrimental to the external appearance of the product exuded in the tank), it still remains a layer of air between the bottom of the container and the product. In the case where the bottom of the container corresponds to the surface of the piston facing the product, the action of this piston on the product is necessarily damped and the response of the motor mechanism to manual stimulations exerted by the user on the button -pusher is generally deformed. In the case where the product is extruded by the part of the reservoir opposite to its dispensing opening - the piston being placed in the reservoir after filling - and where this dispensing opening is associated with an element which closes it for form a container with the walls of the tank, the air layer will prevent the product from filling the tank until the dispensing opening. There will remain, at the level of the dispensing opening, a more or less large empty volume and the user will necessarily have to, before being able to use his dispenser, actuate the push button several times to bring the product back into the tank. . The motor mechanism being a slow advance mechanism, this is a certain drawback for the marketing of the distributor.

S'il s'agit d'un produit qu'il faut compac­ter à l'intérieur du réservoir, les problèmes rencontrés sont sensiblement les mêmes. Il est, en effet, nécessaire, lorsque l'on vient compacter le produit en le compressant par un piston sur le fond d'un récipient, de prévoir une évacuation de l'air. Si l'on autorise l'air à passer entre les parois du récipient et les parois périphériques du piston compresseur, le produit est mal compacté à sa périphérie, surface sur laquelle il n'aura pas été compressé. Si, par contre, le piston est correctement dimensionné, il faut prévoir des échappements d'air dans le fond du récipient, car la présence d'un cous­sin d'air empêche un compactage correct de la poudre au voisinage dudit coussin comme indiqué dans la demande de brevet français 88-0̸2457 déposée le 29 Février 1988.If it is a product that must be compacted inside the tank, the problems encountered are substantially the same. It is, in fact, necessary, when the product is compacted by compressing it with a piston on the bottom of a container, to provide for an evacuation of the air. If air is allowed to pass between the walls of the container and the peripheral walls of the compressor piston, the product is poorly compacted at its periphery, the surface on which it will not have been compressed. If, on the other hand, the piston is correctly dimensioned, it is necessary to provide air escapes in the bottom of the container, because the presence of an air cushion prevents a correct compaction of the powder in the vicinity of said cushion as indicated in the French patent application 88-0̸2457 filed February 29, 1988.

La présente invention propose un dispositif permettant de pallier ces inconvénients. Elle propose, en effet, un distributeur comportant un réservoir que l'on remplit par son extrémité opposée à son ouverture de distribution. Les bords de cette ouverture de dis­tribution sont pourvus d'un matière perméable à l'air et sont encastrés dans un alésage prévu dans un sup­port dont le fond forme avec les parois du réservoir un récipient. Lorsque l'on vient extruder ou compacter un produit dans ce récipient, par l'extrémité de ce réservoir opposée à l'ouverture de distribution, l'air refoulé par le produit ou par le piston compresseur dans le fond du récipient s'échappe au fur et à mesure du remplissage, à travers la couche en matière perméable à l'air qui entoure les bords du réservoir. Cette couche sert ainsi d'évent et permet, avec un même dispositif composé d'un réservoir encastré dans un support, aussi bien de couler, de compacter, ou d'extruder un produit. En outre, un dispositif con­forme à l'invention permet de positionner exactement le produit au niveau de l'ouverture de distribution du réservoir.The present invention provides a device for overcoming these drawbacks. It proposes, in fact, a dispenser comprising a reservoir which is filled by its end opposite to its dispensing opening. The edges of this dispensing opening are provided with an air permeable material and are embedded in a bore provided in a support whose bottom forms with the walls of the tank a container. When one comes to extrude or compact a product in this container, by the end of this tank opposite to the dispensing opening, the air discharged by the product or by the compressor piston in the bottom of the container escapes to the as it fills, through the layer of breathable material that surrounds the edges of the tank. This layer thus serves as a vent and allows, with the same device composed of a reservoir embedded in a support, as well to flow, to compact, or to extrude a product. In addition, a device according to the invention makes it possible to position the product exactly at the level of the dispensing opening of the reservoir.

De plus, cette simple couche en une matière perméable à l'air offre de nombreux autres avantages. Elle permet, notamment, de dissimuler le retrait qui apparaît souvent au vieillissement des produits cosmétiques, leur extrémité périphérique ayant ten­dance à se rétracter. Cette couche peut aussi servir de tampon applicateur permettant d'étaler le produit et d'éviter que celui-ci ne macule extérieurement le réservoir. Enfin, cette couche présente l'avantage, lorsq'il s'agit d'un produit à étaler sur de la peau, d'adoucir le contact entre la peau et le distributeur.In addition, this simple layer of breathable material offers many other advantages. It makes it possible, in particular, to conceal the shrinkage which often appears with aging of cosmetic products, their peripheral end tending to shrink. This layer can also serve as an applicator pad allowing the product to be spread and to prevent it from staining the reservoir externally. Finally, this layer has the advantage, when it is a product to be spread on the skin, of softening the contact between the skin and the dispenser.

La présente invention a donc pour objet un distributeur de produit solide ou pâteux à étaler, ledit produit étant contenu dans un réservoir et délivré grâce à un mécanisme-moteur commandé manuelle­ment par l'utilisateur , ledit réservoir étant un tube dont l'intérieur est cylindrique et de section quel­conque, tube qui comporte un orifice de distribution et dans lequel ledit produit est disposé entre ledit orifice de distribution et un piston déplaçable , à avance lente, la translation du piston étant obtenue au moyen du mécanisme-moteur, ledit mécanisme-moteur comportant une tige en bout de laquelle est monté ledit piston, les bords de l'orifice de distribution étant recouverts, au moins partiellement, d'une couche qui sert à l'application du produit, et est réalisée en un matériau perméable à l'air, ladite couche étant positionnée à cheval sur lesdits bords. Le matériau de la couche servant à l'application du produit peut être poreux et spongieux. La couche peut être un floc ou une mousse synthétique à cellules ouvertes ou fermées. Dans le cas où la couche est un floc, celui-ci peut être collé ou déposé par procédé électrostatique sur les bords de l'orifice de distribution.The present invention therefore relates to a distributor of solid or pasty product to spread, said product being contained in a reservoir and delivered by means of a motor mechanism controlled manually by the user, said reservoir being a tube whose interior is cylindrical and of any section, tube which has a dispensing orifice and in which said product is disposed between said dispensing orifice and a displaceable piston, at slow advance, the translation of the piston being obtained by means of the motor mechanism, said motor mechanism comprising a rod at the end of which said piston is mounted, the edges of the dispensing orifice being covered, at least partially, with a layer which is used for applying the product, and is made of a material permeable to air, said layer being positioned astride said edges. The material of the layer used for applying the product may be porous and spongy. The layer can be a flock or a synthetic foam with open or closed cells. If the layer is a flock, it can be glued or deposited by electrostatic process on the edges of the dispensing orifice.

Avantageusement, le piston est traversé de sa face la plus proche du produit à sa face en regard des éléments du mécanisme-moteur, par au moins un canal. Ce canal peut être situé dans le prolongement axial de la tige. Le piston et la tige peuvent être deux pièces distinctes, la tête de la tige s'appuyant sur une surface du piston pour le pousser en transla­tion. L'extrémité de la tête de la tige peut porter un pointeau dont l'extrémité libre est conformée sen­siblement coniquement, la surface du piston avec lequel elle coopère ayant une forme conique correspon­dant à celle de l'extrémité du pointeau. La surface du piston conformée sensiblement en cône peut être prolongée par un alésage des guidages. Le pointeau peut comporter au voisinage de son extrémité qui s'assemble sur la tige, un plateau perpendiculaire à l'axe de la tige.Advantageously, the piston is crossed from its face closest to the product to its face opposite the elements of the motor mechanism, by at least one channel. This channel can be located in the axial extension of the rod. The piston and the rod can be two separate parts, the head of the rod resting on a surface of the piston to push it in translation. The end of the head of the rod may carry a needle whose free end is shaped substantially conically, the surface of the piston with which it cooperates having a conical shape corresponding to that of the end of the needle. The surface of the piston substantially shaped like a cone can be extended by boring the guides. The needle may include in the vicinity of its end which is assembled on the rod, a plate perpendicular to the axis of the rod.

De préférence, la paroi périphérique du pis­ton est munie d'au moins une lèvre annulaire, en con­tact, avec un léger serrage, avec la paroi intérieure du réservoir. Le piston peut comporter au moins une lèvre annulaire vers chacune de ses faces d'extrémité.Preferably, the peripheral wall of the piston is provided with at least one annular lip, in contact, with a slight tightening, with the internal wall of the reservoir. The piston can comprise at least one annular lip towards each of its end faces.

Dans un mode de réalisation avantageux, le bord de l'orifice de distribution est disposé en biais par rapport à l'axe du réservoir. Le réservoir peut être emboîté à l'intérieur d'un embout tubulaire auquel il est associé, sa paroi extérieure et la paroi intérieure de l'embout étant chacune munies d'une rampe hélicoïdale, lesdites rampes hélicoïdales coopérant pour maintenir le réservoir en position angulaire déterminée par rapport audit embout. Le réservoir peut être amovible par rapport au mécanisme-moteur et la tige peut être débrayée du mécanisme-moteur au moment où l'on assemble le réservoir sur ledit mécanisme-moteur. La tige peut être une vis entraînée en rotation par le mécanisme-­moteur et coopérant avec un écrou fixe par rapport à l'embout, l'écrou étant fendu selon une génératrice, l'extrémité du réservoir, qui est opposée à l'orifice de distribution dudit réservoir, s'emboîtant par emmanchement conique sur les parois extérieures de l'écrou.In an advantageous embodiment, the edge of the dispensing orifice is disposed at an angle relative to the axis of the reservoir. The reservoir can be fitted inside a tubular end-piece with which it is associated, its external wall and the internal wall of the end-piece each being provided with a helical ramp, said helical ramps cooperating to keep the reservoir in angular position. determined with respect to said tip. The reservoir can be removable relative to the motor mechanism and the rod can be disengaged from the motor mechanism when the assembly is assembled. tank on said motor mechanism. The rod may be a screw driven in rotation by the motor mechanism and cooperating with a nut fixed relative to the end piece, the nut being split along a generator, the end of the reservoir, which is opposite the orifice of distribution of said tank, fitting by conical fitting on the outer walls of the nut.

Pour mieux faire comprendre l'objet de l'invention, on va décrire maintenant, à titre pure­ment illustratif et non limitatif, un mode de réalisation représenté sur le dessin annexé.To better understand the object of the invention, we will now describe, purely by way of non-limiting illustration, an embodiment shown in the accompanying drawing.

Sur ce dessin :

  • - la figure 1 est une vue en élévation, par­tiellement en coupe sur un arrachement, d'un distribu­teur conforme à l'invention ;
  • - la figure 2 est une vue en coupe du réservoir et du piston du distributeur de la figure 1, le réservoir étant encastré dans un support, en posi­tion de remplissage ;
  • - la figure 3 est une vue en coupe de l'embout tubulaire du distributeur de la figure 1 ;
  • - la figure 4 est une vue en élévation, par­tiellement en coupe sur un arrachement, d'un réservoir non rempli destiné au distributeur de la figure 1 ;
  • - la figure 5 est une vue en coupe selon la ligne V-V de la figure 6 de l'écrou du distributeur de la figure 1 ;
  • - la figure 6 est une vue en bout de l'écrou du distributeur de la figure 1.
On this drawing :
  • - Figure 1 is an elevational view, partially in section on a cutaway, of a dispenser according to the invention;
  • - Figure 2 is a sectional view of the reservoir and the piston of the dispenser of Figure 1, the reservoir being embedded in a support, in the filling position;
  • - Figure 3 is a sectional view of the tubular end of the dispenser of Figure 1;
  • - Figure 4 is an elevational view, partially in section on a cutaway, of an unfilled tank for the dispenser of Figure 1;
  • - Figure 5 is a sectional view along line VV of Figure 6 of the nut of the dispenser of Figure 1;
  • - Figure 6 is an end view of the nut of the dispenser of Figure 1.

En se référant au dessin, on voit que le distributeur comprend un réservoir 1, qui est monté sur une partie 2 comportant le mécanisme-moteur du distributeur. Ces deux parties du distributeur sont emboîtées et maintenues en place dans un embout tubu­laire 3, qui forme un surcapot constituant le corps du distributeur. Le surcapot 3 est fixé, par exemple par vissage ou encliquetage sur une embase 26 solidaire du mécanisme-moteur.Referring to the drawing, it can be seen that the distributor comprises a reservoir 1, which is mounted on a part 2 comprising the motor mechanism of the distributor. These two parts of the distributor are fitted and held in place in a tubular end piece 3, which forms an overcap constituting the body of the distributor. The overcap 3 is fixed, for example by screwing or snapping onto a base 26 secured to the motor mechanism.

Le réservoir 1 est un tube, dont l'intérieur, destiné à contenir un produit P constitué d'une pâte ou d'une poudre compactée, est un cylindre droit de section droite circulaire. Une de ses extrémités est un orifice de distribution 4. Vers son autre extrémité est enfilé le piston 5, qui vient en contact avec le produit P et qui coopère avec le bout d'une vis 6. Le filetage de cette vis 6 coopère avec le filetage d'un écrou 7 du mécanisme-moteur 2, afin d'entraîner le piston 5 en translation selon l'axe du réservoir 1. L'ouverture de distribution 4 du réservoir 1 est en biais par rapport à l'axe de celui-ci, avec une inclinaison de 60̸° par rapport à un plan orthogonal à l'axe du réservoir. Le face extérieure de la paroi du réservoir 1 est légèrement tronconique. Cette paroi extérieure épouse la paroi intérieure de l'embout tubulaire ou surcapot 3, dans laquelle elle est emboîtée : une partie du réservoir 1, vers l'ouverture de distribution 4, dépasse du sur­capot 3. L'extrémite 9 du surcapot 3, la plus proche de l'ouverture 4, est aussi en biais par rapport à l'axe du réservoir 1 et est parallèle au plan, dans lequel se trouve l'ouverture 4. L paroi du surcapot 3 s'élargit à partir de l'extrémité 9 environ jusqu'au milieu du réservoir 1.The reservoir 1 is a tube, the interior of which, intended to contain a product P consisting of a compacted paste or powder, is a straight cylinder of circular cross section. One of its ends is a dispensing orifice 4. Towards its other end is threaded the piston 5, which comes into contact with the product P and which cooperates with the end of a screw 6. The thread of this screw 6 cooperates with the threading of a nut 7 of the motor mechanism 2, in order to drive the piston 5 in translation along the axis of the reservoir 1. The dispensing opening 4 of the reservoir 1 is at an angle relative to the axis of the latter ci, with an inclination of 60̸ ° with respect to a plane orthogonal to the axis of the tank. The outer face of the wall of the tank 1 is slightly frustoconical. This outer wall matches the inner wall of the tubular end cap or overcap 3, in which it is fitted: part of the reservoir 1, towards the dispensing opening 4, protrudes from the overcap 3. The end 9 of the overcap 3, closer to the opening 4, is also oblique to the axis of the tank 1 and is parallel to the plane, in which the opening 4 is located. The wall of the overcap 3 widens from the end 9 approximately to the middle of tank 1.

Les bords de l'ouverture de distribution 4 sont revêtus d'une couche de floc 8. Cette couche de floc 8 est positionnée à cheval sur les bords de l'ouverture 4, la surface de floc 8 à l'intérieur du réservoir 1 étant moins importante que la surface de floc à l'extérieur du réservoir 1. L'épaisseur de cette couche de floc 8 est inférieure à 30 % de l'épaisseur du bord de l'ouverture de distribution 4. L'extrémité du floc 8 la plus éloignée de l'ouverture 4, sur la surface du réservoir 1, est positionnée sur un cercle dans un plan orthogonal à l'axe du réservoir 1. Le flocage est obtenu avant remplissage, de façon à éviter de polluer le produit, par dépôt électrosta­tique de poils, ou par collage de ces poils, sur les parois du réservoir. On peut, pour obtenir un flocage précis à l'intérieur du réservoir 1, utiliser un mand­rin (non représenté) enfilé en son intérieur, et épousant sensiblement sa paroi intérieure. L'extrémité de ce mandrin la plus proche de l'ouverture 4 est légèrement décalée, dans le réservoir 1, par rapport aux bords de l'ouverture 4, de façon que le floc 8 puisse être déposé sur la paroi intérieure du réservoir 1, sa surface de dépôt étant parfaitement délimitée par le niveau du mandrin. Dans une variante, le floc peut être remplacé par une mousse synthétique, moussée, par exemple, "in situ".The edges of the dispensing opening 4 are coated with a flock layer 8. This flock layer 8 is positioned astride the edges of the opening 4, the flock surface 8 inside the tank 1 being less important than the flock surface outside the tank 1. The thickness of this flock layer 8 is less than 30% of the thickness of the edge of the dispensing opening 4. The end of the flock 8 furthest from the opening 4, on the surface of the reservoir 1, is positioned on a circle in a plane orthogonal to the axis of the reservoir 1. The flocking is obtained before filling, so as to avoid pollute the product, by electrostatic deposition of bristles, or by bonding of these bristles, on the walls of the tank. One can, to obtain a precise flocking inside the tank 1, use a mandrel (not shown) threaded inside, and substantially matching its inner wall. The end of this mandrel closest to the opening 4 is slightly offset, in the tank 1, relative to the edges of the opening 4, so that the flock 8 can be deposited on the inside wall of the tank 1, its deposition surface being perfectly delimited by the level of the mandrel. In a variant, the flock can be replaced by a synthetic foam, foamed, for example, "in situ".

Le piston 5 est un élément de révolution. Une de ses faces est un plateau 10̸ en contact avec le produit P. Ce plateau 10̸ est traversé par un canal 11 centré axialement et prolongé dans le piston 5, au-­delà du plateau 10̸, par un évidement conique 12 par­tiqué dans le corps du piston 5. Cet évidement conique 12 est lui-même prolongé axialement par un alésage 14, qui débouche sur l'autre face du piston 5. Chacune des faces extrêmes du piston 5 est entourée à sa périphérie par une lèvre annulaire 13 destinée à être en contact avec un léger serrage avec la paroi intérieure du réservoir 1. La tête de la vis 6 porte un pointeau 16 dont une extrémité conique 15 est destinée à coopérer avec l'évidement conique 12 du piston 5. Le pointeau 16 est un corps cylindrique dont le diamètre est légèrement inférieur à celui de l'alésage 14 ; il s'emboîte par coulissement dans cet alésage 14. Le pointeau 16 comporte, à son extrémité opposée à la partie conique 15, un plateau 17, qui est un disque en appui sur la tige 6 ; ce disque est de diamètre plus important que les diamètres de la tige 6 et du corps cylindrique du pointeau 16.The piston 5 is an element of revolution. One of its faces is a plate 10̸ in contact with the product P. This plate 10̸ is crossed by a channel 11 axially centered and extended in the piston 5, beyond the plate 10̸, by a conical recess 12 formed in the body of the piston 5. This conical recess 12 is itself extended axially by a bore 14, which opens on the other face of the piston 5. Each of the end faces of the piston 5 is surrounded at its periphery by an annular lip 13 intended to be in contact with a slight tightening with the inner wall of the reservoir 1. The head of the screw 6 carries a needle 16 whose conical end 15 is intended to cooperate with the conical recess 12 of the piston 5. The needle 16 is a cylindrical body whose the diameter is slightly smaller than that of bore 14; it fits by sliding in this bore 14. The needle 16 comprises, at its end opposite the conical part 15, a plate 17, which is a disc bearing on the rod 6; this disc has a larger diameter than the diameters of the rod 6 and of the cylindrical body of the needle 16.

L'écrou 7 est un écrou fendu compartant trois secteurs 18 répartis symétriquement autour de l'axe de l'écrou 7. Ces trois secteurs 18 sont reliés à une de leur extrémité par une jupe cylindrique 20̸ prolongeant leurs parois périphériques. Leurs extrémités opposées à cette jupe 20̸ formant la tête tronconique de l'écrou, qui est traversée axialement par un alésage 19 ayant sensiblement le même diamètre que la vis 6 qui est disposée en son intérieur. L'alésage 19 est fileté à son extrémité opposée à la jupe 20̸. Son filetage 21 est destiné à coopérer avec celui de la vis 6. La paroi intérieure du réservoir 1 est munie, à son extrémité opposée à l'ouverture de distribution 4, d'une portée 24 conformée tronconique­ment de façon à s'adapter sur la tête de l'écrou 7.The nut 7 is a split nut housing three sectors 18 distributed symmetrically around the axis of the nut 7. These three sectors 18 are connected at one of their ends by a cylindrical skirt 20̸ extending their peripheral walls. Their ends opposite to this skirt 20̸ forming the frustoconical head of the nut, which is crossed axially by a bore 19 having substantially the same diameter as the screw 6 which is arranged inside. The bore 19 is threaded at its end opposite to the skirt 20̸. Its thread 21 is intended to cooperate with that of the screw 6. The inner wall of the reservoir 1 is provided, at its end opposite to the dispensing opening 4, with a bearing 24 shaped frusto-conically so as to adapt to the nut head 7.

Le surcapot 3 du distributeur et le réservoir 1 sont chacun munis, vers l'extrémité du réservoir 1 opposée à l'ouverture de distribution 4, d'une rampe hélicoïdale (22, 23), la rampe 22 étant disposée sur la paroi extérieure du réservoir 1, la rampe 23 étant disposée sur la paroi intérieure du surcapot 3. Ces deux rampes 22 et 23 sont chacune constituée par un décrochement de la paroi sur laquelle elles sont disposées. De ce fait, la paroi du réservoir 1 est, au niveau de la rampe 22, moins épaisse du côté proche de l'ouverture de distribution 4 que de l'autre côté par rapport à la rampe 22. La paroi du surcapot 3 est au niveau de la rampe 23, plus épaisse dans sa partie la plus proche de l'extrémité ouverte 9 que de l'autre côté par rapport à la rampe 23. Ces deux rampes 22 et 23 sont destinées à coopérer et permettent de positionner angulairement le réservoir 1 et le surcapot 3 de façon que leurs ouver­tures 4 et 9 soient parallèles. En position assemblée, le réservoir 1 est en appui par sa portée tronconique 24 sur les secteurs 18 constituant la tête de l'écrou 7 et sa rampe 22 s'appuie sur la rampe 23 du surcapot. La fixation du surcapot 3 sur l'embase 26 permet ainsi le maintien en positin du réservoir 1 et son action sur l'écrou 7 pour refermer les secteurs 18 autour de la vis 6.The overcap 3 of the dispenser and the reservoir 1 are each provided, towards the end of the reservoir 1 opposite the dispensing opening 4, with a helical ramp (22, 23), the ramp 22 being arranged on the outer wall of the tank 1, the ramp 23 being disposed on the inner wall of the overcap 3. These two ramps 22 and 23 are each formed by a recess of the wall on which they are arranged. As a result, the wall of the reservoir 1 is, at the level of the ramp 22, thinner on the side close to the dispensing opening 4 than on the other side with respect to the ramp 22. The wall of the overcap 3 is at level of the ramp 23, thicker in its part closest to the open end 9 than on the other side with respect to the ramp 23. These two ramps 22 and 23 are intended to cooperate and allow the angular positioning of the tank 1 and the overcap 3 so that their openings 4 and 9 are parallel. In the assembled position, the reservoir 1 is supported by its frustoconical bearing 24 on the sectors 18 constituting the head of the nut 7 and its ramp 22 is supported on the ramp 23 of the overcap. The fixing of the overcap 3 on the base 26 thus allows the tank 1 to be positively maintained and its action on the nut 7 to close the sectors 18 around the screw 6.

Le réservoir 1, le surcapot 3, le piston 5 et l'écrou 7 sont des pièces moulées en matière plas­tique. Après avoir obtenu ces différentes pièces, on procède, dans un premier temps, au remplissage du réservoir 1 et, séparément, à l'assemblage des pièces de la partie 2 du distributeur comportant le mécanisme-moteur. Un tel mécanisme-moteur peut être du type de celui qui est décrit dans le demande de brevet déposée en France par la demanderesse sous le numéro 88.0̸50̸26 ; il comprend, notamment, un ressort R et un bouton-poussoir 25 monté à l'extrémité de l'embase 26, qui est la plus éloignée du réservoir 1 ; l'enfoncement du bouton-poussoir 25 permet de com­mander la translation du piston 5 et le ressort R assure le rappel dudit bouton-poussoir. Dans un deuxième temps, on monte le réservoir 1 sur la partie 2 comportant le mécanisme-moteur en emboîtant l'ensemble dans le surcapot 3. L'extrémité du disposi­tif moteur opposée à l'écrou 7 est solidaire de l'embase 26 sur laquelle se fixe l'extrémité du sur­capot 3. Cette embase 26 est vissée sur un filetage intérieur 27, dont est munie l'extrémité correspon­dante du surcapot 3. Dans une variante possible, la fixation s'effectue par encliquetage.The tank 1, the overcap 3, the piston 5 and the nut 7 are molded plastic parts. After obtaining these different parts, we proceed, firstly, to fill the tank 1 and, separately, to assemble the parts of part 2 of the distributor comprising the motor mechanism. Such a motor mechanism can be of the type described in the patent application filed in France by the applicant under the number 88.0̸50̸26; it comprises, in particular, a spring R and a push button 25 mounted at the end of the base 26, which is the farthest from the tank 1; the depression of the push button 25 makes it possible to control the translation of the piston 5 and the spring R ensures the return of said push button. In a second step, the reservoir 1 is mounted on the part 2 comprising the motor mechanism by fitting the assembly into the overcap 3. The end of the motor device opposite the nut 7 is integral with the base 26 on which attaches the end of the overcap 3. This base 26 is screwed onto an internal thread 27, which is provided with the corresponding end of the overcap 3. In a possible variant, the fixing is effected by snap-fastening.

Pour remplir le réservoir 1, que ce soit pour y couler, y extruder ou u compacter un produit, on utilise le dispositif de la figure 2. Le réservoir 1 est maintenu verticalement dans un alésage pratiqué dans un support 28, alésage dans lequel son ouverture de distribution 4 est encastrée, la portée conique 24 s'ouvrant vers le haut. Le fond de l'alésage du sup­port 28 est un plan incliné sur lequel s'appuient les bondes de l'ouverture de distribution 4. Sa paroi latérale épouse et serre le floc 8 contre les bords de l'ouverture de distribution 4. Le réservoir 1 et le support 28 formant ainsi, ensemble, un récipient ayant un fond, pouvant retenir des substances liquides ou solides et dans lequel il est possible de couler un produit, par exemple, du rouge à lèvres. Si l'on veut y extruder ou compacter un produit, on introduit le produit P par l'extrémité du réservoir 1 opposée à l'ouverture de distribution 4 et, pour le compactage, on comprime le produit en enfilant à l'intérieur du réservoir un piston compresseur. Dans les deux cas, l'air refoulé vers le fond du récipient est évacué grâce au floc 8, qui est perméable à l'air, ainsi que le montrent les flèches de la figure 2. Le produit P peut ainsi être mis en place sans défaut au niveau de l'ouverture 4.To fill the tank 1, whether it is to pour there, extrude there or to compact a product, we use the device of figure 2. The tank 1 is held vertically in a bore formed in a support 28, a bore in which its dispensing opening 4 is embedded, the conical bearing 24 opening upwards. The bottom of the bore of the support 28 is an inclined plane on which the bungs of the distribution opening 4 rest. Its side wall follows and clamps the flock 8 against the edges of the distribution opening 4. The reservoir 1 and the support 28 thus forming, together, a container having a bottom, capable of retaining liquid or solid substances and into which it is possible to pour a product, for example, lipstick. If you want to extrude or compact a product, you introduce the product P through the end of the reservoir 1 opposite the dispensing opening 4 and, for compacting, you compress the product by threading inside the reservoir a compressor piston. In both cases, the air discharged towards the bottom of the container is evacuated by means of the flock 8, which is permeable to air, as shown by the arrows in FIG. 2. The product P can thus be put in place without opening fault 4.

On enfile ensuite, à l'extrémité opposée à l'ouverture de distribution 4, le piston 5, son pla­teau 10̸ étant directement en vis à vis du produit P. Le piston 5 coulissae dans le cylindre interieur du réservoir 1 jusqu'à ce que son plateau 10̸ se trouve en contact avec le produit P, ce quelque soit le niveau de remplissage du produit P dans le réservoir ; l'air compris entre le plateau 10̸ et le produit P s'échappe par le canal 11. On positionne ensuite la vis 6 de façon que la partie conique 15 de son pointeau 16 s'encastre dans l'évidement conique 12 du piston 5 après avoir été guidé dans l'alésage cylindrique 14. On assujettit, enfin, l'ensemble formé par l'embase 26 et la partie 2 du distributeur, qui comporte le mécanisme-moteur, en enfilant la vis 6 dans l'alésage 19, jusqu'à ce que les secteurs 18 formant la tête conique de l'écrou 7 s'appuient sur la portée tron­conique 24 du réservoir 1, refermant ainsi le filetage 21 de l'alésage 19 sur le filetage de la vis 6. Une fois l'ensemble ainsi mis en place, il reste à emboîter le réservoir 1 et la partie 2 dans le sur­capot 3 et à assurer la fixation du surcapot 3 sur l'embase 26.Then, at the end opposite the dispensing opening 4, the piston 5 is threaded, its plate 10̸ being directly opposite the product P. The piston 5 slides in the interior cylinder of the reservoir 1 until its plate 10̸ is in contact with the product P, whatever the level of filling of the product P in the tank; the air between the plate 10̸ and the product P escapes through the channel 11. The screw 6 is then positioned so that the conical part 15 of its needle 16 is embedded in the conical recess 12 of the piston 5 after have been guided in the cylindrical bore 14. Finally, the assembly formed by the base 26 and the part 2 of the distributor, which includes the motor mechanism, by threading the screw 6 into the bore 19, until the sectors 18 forming the conical head of the nut 7 are supported on the frustoconical surface 24 of the tank 1, thus closing the thread 21 of the bore 19 on the thread of the screw 6. Once the assembly thus put in place, it remains to fit the reservoir 1 and the part 2 into the overcap 3 and to secure the overcap 3 on the base 26 .

L'ensemble est alors monté et prêt à servir. En actionnant le bouton-poussoir 25, l'utilisateur libère du réservoir 1 une fine couche de produit P qu'il applique à l'endroit désiré en l'étalant sur la couche de floc 8, qui sert ainsi de tampon applicateur et évite que le produit P ne macule les bords du réservoir 1. Si le produit P est, de plus, un produit cosmétique destiné à être appliqué sur de la peau, la couche de floc 8 présente, en outre, l'avantage d'adoucir le contact entre la peau et le distributeur. Une fois étalé, le produit P se retrouve sensiblement juste au-dessous de l'extrémité de la paroi du réservoir 1. On peut aussi associer à l'ouverture de distribution 4 un bouchon (non représenté) permettant d'éviter que le produit P ne sèche ou ne se détériore.The assembly is then assembled and ready to serve. By actuating the push button 25, the user releases from the reservoir 1 a thin layer of product P which he applies at the desired location by spreading it over the layer of flock 8, which thus serves as an applicator pad and prevents the product P does not smudge the edges of the reservoir 1. If the product P is, moreover, a cosmetic product intended to be applied to the skin, the layer of flock 8 has, in addition, the advantage of softening the contact between the skin and the dispenser. Once spread, the product P is found substantially just below the end of the wall of the tank 1. It is also possible to associate the dispensing opening 4 with a plug (not shown) making it possible to prevent the product P does not dry out or deteriorate.

Enfin, dans le cas où le surcapot 3 a été vissé sur l'embase 26, on pourra, lorsque le produit P dans le réservoir 1 sera totalement utilisé et que l'on désirera le remplacer, dévisser cette embase 26 et dégager la partie 2 comportant le mécanisme-moteur du surcapot 3. Les secteurs 18 de l'écrou 7 n'étant plus en contact avec la portée 24 du réservoir 1, le filetage 21 de l'alésage 19 ne coopère plus avec le filetage de la vis 6 et l'on peut faire glisser libre­ment cette dernière dans l'alésage 19, le plateau 17 de la tête de la vis 6 constituant néanmoins une limi­tation de course. Il est donc possible de remplacer un réservoir 1, plus ou moins usé, par un autre réservoir 1. Un tel dispositif permet donc d'utiliser, avec une même partie 2 servant de mécanisme-moteur, plusieurs réservoirs 1 faisant office de recharges.Finally, in the case where the overcap 3 has been screwed onto the base 26, it will be possible, when the product P in the tank 1 is fully used and we wish to replace it, unscrew this base 26 and release the part 2 comprising the motor mechanism of the overcap 3. The sectors 18 of the nut 7 no longer being in contact with the bearing surface 24 of the tank 1, the thread 21 of the bore 19 no longer cooperates with the thread of the screw 6 and the latter can be freely slid into the bore 19, the plate 17 of the head of the screw 6 nevertheless constituting a stroke limitation. It is therefore possible to replace a tank 1, more or less worn, by another tank 1. Such a device therefore makes it possible to use, with the same part 2 serving as a motor mechanism, several tanks 1 acting as refills.

Claims (16)

1 - Distributeur de produit solide ou pâteux à étaler, ledit produit (P) étant contenu dans un réservoir (1) et délivré grâce à un mécanisme moteur commandé manuellement par l'utilisateur, ledit réservoir (1) étant un tube dont l'intérieur est cylindrique et de section quelconque, tube qui com­porte un orifice de distribution (4) et dans lequel ledit produit (P) est disposé entre ledit orifice de distribution (4) et un piston (5) déplaçable, à avance lente, la translation du piston (5) étant obtenue au moyen du mécanisme-moteur, ledit mécanisme-moteur com­portant une tige (6) en bout de laquelle est monté ledit piston (5), caractérisé par le fait que les bords de l'orifice de distribution (4) sont recouverts, au moins partiellement d'une couche (8), qui sert à l'application du produit (P), et est réalisée en un matériau perméable à l'air, ladite couche (8) étant positionnée à cheval sur lesdits bords.1 - Distributor of solid or pasty product to spread, said product (P) being contained in a reservoir (1) and delivered by means of a motor mechanism controlled manually by the user, said reservoir (1) being a tube whose interior is cylindrical and of any cross-section, tube which has a dispensing orifice (4) and in which said product (P) is disposed between said dispensing orifice (4) and a displaceable piston (5), with slow advance, the translation of piston (5) being obtained by means of the motor mechanism, said motor mechanism comprising a rod (6) at the end of which is mounted said piston (5), characterized in that the edges of the dispensing orifice (4 ) are covered, at least partially with a layer (8), which is used for applying the product (P), and is made of a breathable material, said layer (8) being positioned astride said edges. 2 - Distributeur selon la revendication 1, caractérisé par le fait que le matériau de la couche (8) servant à l'application du produit (P) est poreux et spongieux.2 - Dispenser according to claim 1, characterized in that the material of the layer (8) used for the application of the product (P) is porous and spongy. 3 - Distributeur selon l'une des revendica­tions 1 ou 2, caractérisé par le fait que le couche (8) est un floc ou une mousse synthétique à cellules ouvertes ou fermées.3 - Dispenser according to one of claims 1 or 2, characterized in that the layer (8) is a flock or a synthetic foam with open or closed cells. 4 - Distributeur selon la revendication 3, caractérisé par le fait que la couche (8) est un floc collé ou déposé par procédé électrostatique sur les bords de l'orifice de distribution (4).4 - Distributor according to claim 3, characterized in that the layer (8) is a flock bonded or deposited by electrostatic process on the edges of the dispensing orifice (4). 5 - Distributeur selon l'une des revendica­tions 1 à 4, caractérisé par le fait que le piston (5) est traversé, de sa face (10̸) la plus proche du pro­duit (P) à sa face en regard des éléments du mécanisme-moteur, par au moins un canal (11).5 - Distributor according to one of claims 1 to 4, characterized in that the piston (5) is crossed, from its face (10̸) closest to the product (P) on its face opposite the elements of the motor mechanism, by at least one channel (11). 6 - Distributeur selon la revendication 5, caractérisé par le fait qu'un canal (11) est situé dans le prolongement axial de la tige (6).6 - Distributor according to claim 5, characterized in that a channel (11) is located in the axial extension of the rod (6). 7 - Distributeur selon l'une des revendica­tions 5 ou 6, caractérisé par le fait que le piston (5) et la tige (6) sont deux pièces distinctes, la tête (15) de la tige (6) s'appuyant sur une surface (12) du piston (5) pour le pousser en translation.7 - Distributor according to one of claims 5 or 6, characterized in that the piston (5) and the rod (6) are two separate parts, the head (15) of the rod (6) resting on a surface (12) of the piston (5) to push it in translation. 8 - Distributeur selon la revendication 7, caractérisé par le fait que l'extrémité de la tête de la tige (6) porte un pointeau (16) dont l'extrémité libre est conformée sensiblement coniquement, et que la surface (12) du piston (5) avec laquelle elle coopère a une forme conique correspondant à celle de l'extrémité du pointeau (16).8 - A distributor according to claim 7, characterized in that the end of the head of the rod (6) carries a needle (16) whose free end is shaped substantially conically, and that the surface (12) of the piston (5) with which it cooperates has a conical shape corresponding to that of the end of the needle (16). 9 - Distributeur selon la revendication 8, caractérisé par le fait que la surface (12) du piston (5) conformée sensiblement en cône est prolongée par un alésage (14) de guidage.9 - Distributor according to claim 8, characterized in that the surface (12) of the piston (5) substantially shaped as a cone is extended by a guide bore (14). 10̸- Distributeur selon l'une des revendica­tions 7 à 9, caractérisé par le fait que le pointeau (16) comporte au voisinage de son extrémité qui s'assemble sur la tige (6), un plateau (17) perpendi­culaire à l'axe de la tige (6).10̸- Dispenser according to one of claims 7 to 9, characterized in that the needle (16) comprises in the vicinity of its end which is assembled on the rod (6), a plate (17) perpendicular to the axis of the rod (6). 11 - Distributeur selon l'une des revendica­tions 5 à 10̸, caractérisé par le fait que la paroi périphérique du piston (5) est munie d'au moins une lèvre (13) annulaire, en contact, avec un léger ser­rage, avec la paroi intérieure dudit réservoir (1).11 - Distributor according to one of claims 5 to 10̸, characterized in that the peripheral wall of the piston (5) is provided with at least one annular lip (13), in contact, with a slight tightening, with the wall interior of said tank (1). 12 - Distributeur selon la revendication 11, caractérisé par le fait que le piston (5) comporte au moins une lèvre annulaire vers chacune de ses faces d'extrémité.12 - Distributor according to claim 11, characterized in that the piston (5) has at least one annular lip towards each of its end faces. 13 - Distributeur selon l'une des revendica­tions 1 à 12, caractérisé par le fait que le bord de l'orifice de distribution (4) est disposé en biais par rapport à l'axe du réservoir (1).13 - Dispenser according to one of claims 1 to 12, characterized in that the edge of the dispensing orifice (4) is arranged at an angle relative to the axis of the reservoir (1). 14 - Distributeur selon l'une des revendica­tions 1 à 13, caractérisé par le fait que le réservoir (1) est emboîté à l'intérieur d'un embout tubulaire (3) auquel il est associé, sa paroi extérieure et la paroi intérieure de l'embout étant chacune munie d'une rampe hélicoïdale (22, 23), lesdites rampes hélicoïdales (22, 23) coopérant pour maintenir ledit réservoir (1) en position angulaire déterminée par rapport audit embout (3).14 - Distributor according to one of claims 1 to 13, characterized in that the reservoir (1) is fitted inside a tubular nozzle (3) with which it is associated, its outer wall and the inner wall of the nozzle being each provided with a helical ramp (22, 23), said helical ramps (22, 23) cooperating to maintain said reservoir (1) in angular position determined relative to said nozzle (3). 15 - Distributeur selon l'une des revendica­tions 1 à 14, caractérisé par le fait que le réservoir (1) est amovible par rapport au mécanisme-moteur et que la tige (6) peut être débrayée du mécanisme-moteur au moment où l'on assemble le réservoir (1) sur ledit mécanisme-moteur.15 - Distributor according to one of claims 1 to 14, characterized in that the reservoir (1) is removable relative to the motor mechanism and that the rod (6) can be disengaged from the motor mechanism when the the reservoir (1) is assembled on said motor mechanism. 16 - Distributeur selon l'une des revendica­tions 1 à 14, caractérisé par le fait que la tige (6) est une vis entraînée en rotation par le mécanisme-­moteur et coopérant avec un écrou (7) fixe par rapport à l'embout (3), l'écrou (7) étant fendu selon une génératrice, l'extrémité (24) du réservoir (1), qui est opposée à l'orifice de distribution (4) dudit réservoir, s'emboîtant par emmanchement conique sur les parois extérieures de l'écrou (7).16 - Distributor according to one of claims 1 to 14, characterized in that the rod (6) is a screw driven in rotation by the motor mechanism and cooperating with a nut (7) fixed relative to the nozzle ( 3), the nut (7) being split along a generator, the end (24) of the tank (1), which is opposite to the dispensing orifice (4) of said tank, fitting by conical fitting on the outer walls of the nut (7).
EP90400143A 1989-02-07 1990-01-18 Dispenser for pasty or solid products with a coated dispensing opening Expired - Lifetime EP0382591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8901544 1989-02-07
FR8901544A FR2642675B1 (en) 1989-02-07 1989-02-07 DISPENSER FOR PASTE OR SOLID PRODUCT COMPRISING A COATING OF ITS DISPENSING PORT

Publications (2)

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EP0382591A1 true EP0382591A1 (en) 1990-08-16
EP0382591B1 EP0382591B1 (en) 1993-04-14

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US (1) US5131773A (en)
EP (1) EP0382591B1 (en)
JP (1) JP2909754B2 (en)
KR (1) KR970002538B1 (en)
CA (1) CA2009213C (en)
DE (1) DE69001304T2 (en)
ES (1) ES2040064T3 (en)
FR (1) FR2642675B1 (en)

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CN109419137A (en) * 2017-08-23 2019-03-05 株式会社常盘 Coating material screws out container

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JP3724769B2 (en) * 1997-12-09 2005-12-07 株式会社壽 Medium thread member for rotary bar feeder
DE29805800U1 (en) * 1998-03-31 1998-07-16 H & M Gutberlet Gmbh Cosmetic stick
FR2780622B1 (en) 1998-07-03 2001-07-20 Oreal APPLICATOR FOR DELITESCENT PRODUCT, ASSEMBLY COMPRISING SUCH AN APPLICATOR AND METHOD
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FR2810858B1 (en) * 2000-06-28 2003-01-10 Oreal DISTRIBUTION TIP COMPRISING TWO ASSEMBLED PARTS AND A FLOCKING COATING
FR2810859B1 (en) 2000-06-28 2002-09-06 Oreal PACKAGING AND APPLICATION DEVICE HAVING A PREFERRED SUPPLYED APPLICATION SURFACE IN PRODUCT
FR2820622B1 (en) 2001-02-13 2003-10-31 Oreal APPLICATOR ASSEMBLY, IN PARTICULAR OF A MAKEUP PRODUCT, AND APPLICATION KIT
FR2833245B1 (en) 2001-12-11 2004-03-19 Oreal APPLICATOR ASSEMBLY OF A PRODUCT, ESPECIALLY COSMETIC
DE10246379B4 (en) * 2002-10-04 2005-12-22 Jenner, Günter Process for the preparation of a flocked cosmetic applicator head
DE202004020158U1 (en) * 2004-12-03 2006-01-26 Schwan-Stabilo Cosmetics Gmbh & Co. Kg Applicator with return protection
FR2882506B1 (en) 2005-02-25 2007-05-18 Oreal MAKE-UP PROCESS USING A VIBRANT APPLICATOR
FR2897245B1 (en) 2006-02-15 2008-04-25 Oreal DEVICE FOR CONDITIONING AND APPLICATION.
US8215861B2 (en) * 2006-02-15 2012-07-10 L'oreal Packaging and applicator device
US7874464B2 (en) * 2006-09-07 2011-01-25 L'oreal Venting system for a product dispensing device
JP5592306B2 (en) * 2011-05-11 2014-09-17 株式会社トキワ Stick-shaped cosmetic supply container
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CN109419137A (en) * 2017-08-23 2019-03-05 株式会社常盘 Coating material screws out container
US11166537B2 (en) 2017-08-23 2021-11-09 Tokiwa Corporation Coating material feeding container
CN109419137B (en) * 2017-08-23 2021-11-26 株式会社常盘 Coating material screw-out container

Also Published As

Publication number Publication date
KR970002538B1 (en) 1997-03-06
US5131773A (en) 1992-07-21
CA2009213A1 (en) 1990-08-07
JPH02245233A (en) 1990-10-01
DE69001304D1 (en) 1993-05-19
EP0382591B1 (en) 1993-04-14
KR900012567A (en) 1990-09-01
CA2009213C (en) 1997-11-04
JP2909754B2 (en) 1999-06-23
DE69001304T2 (en) 1993-11-25
FR2642675B1 (en) 1991-05-03
ES2040064T3 (en) 1993-10-01
FR2642675A1 (en) 1990-08-10

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