EP1029799A1 - Liquid containing and dispensing package with applicator - Google Patents

Liquid containing and dispensing package with applicator Download PDF

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Publication number
EP1029799A1
EP1029799A1 EP00400032A EP00400032A EP1029799A1 EP 1029799 A1 EP1029799 A1 EP 1029799A1 EP 00400032 A EP00400032 A EP 00400032A EP 00400032 A EP00400032 A EP 00400032A EP 1029799 A1 EP1029799 A1 EP 1029799A1
Authority
EP
European Patent Office
Prior art keywords
volume
assembly according
piston
cover
product
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
EP00400032A
Other languages
German (de)
French (fr)
Other versions
EP1029799B1 (en
Inventor
Jean-Louis H. 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 EP1029799A1 publication Critical patent/EP1029799A1/en
Application granted granted Critical
Publication of EP1029799B1 publication Critical patent/EP1029799B1/en
Anticipated expiration legal-status Critical
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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
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • A45D34/045—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like connected to the cap of the container
    • 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
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/055—Piston or plunger for supplying the liquid to the applicator
    • 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
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/10—Details of applicators
    • A45D2200/1009—Applicators comprising a pad, tissue, sponge, or the like
    • A45D2200/1018—Applicators comprising a pad, tissue, sponge, or the like comprising a pad, i.e. a cushion-like mass of soft material, with or without gripping means

Definitions

  • the present invention relates to an assembly for packaging and the application of a product, in particular cosmetic.
  • the invention is everything particularly suitable for products in the form of a liquid, gel or of a cream.
  • certain products especially under in the form of a milk, a cream or a gel are dispensed under pressure by means of of a pump. Due to their instability in the presence of air, they can be conditioned in pump systems of the type without air intake, i.e. vacuum packed in tanks whose volume decreases over time uses.
  • a pocket with retractable walls is used, a tube with deformable walls, or a bottle in which is placed a follower piston.
  • the pump can be of the piston, diaphragm or valve type.
  • the user takes the pumped product from one or more several of his fingers, and applies it by massaging the surface to be treated.
  • the product is applied by means of an applicator, in particular as an open cell foam.
  • a set of packaging and application of a product comprising a reservoir for said product and delimiting a first volume, decreasing in response to a vacuum inside the tank, said tank having at least one outlet orifice closed by a first opening valve unidirectional, opening selectively towards a second volume, intended to receive removably, an application member, formed at least in part, of a porous element, capable of absorbing said product, said second volume being tightly closed by a cover, reversibly mounted on said assembly, a piston being provided for, in particular at the opening of the cover, cause a depression inside the second volume and cause the opening of said first valve, and pumping a dose of said product by said organ application, via said outlet.
  • the applicator member in the mounted position of the cover, is arranged so predetermined with respect to the product outlet orifice, preferably in support elastic on the outlet, which allows its precise loading, as well as for the quantity of product removed, as for the location of the product on the applicator.
  • the applicator, between two applications, is kept away from air, which allows it to retain its good mechanical properties, in particular flexibility, and which prevents the product remaining on the applicator from being altered in the presence of air or contaminates the environment of the applicator.
  • the volume absorbable by the applicator is preferably greater than or equal the volume pumped in response to displacement of the piston. However, it is possible to provide that the volume absorbable by the applicator member is less than volume of product pumped. In the latter case, we can plan, as we will see in detail thereafter, making the piston disengageable, so as to be able go to collect the excess product, not pumped by the applicator, without pump the said product again.
  • said applicator member is integral with the cover, said piston generating the depression inside the second volume, passing from a first position to one second, when opening the cover.
  • the hood thus forms a gripping member for the application member.
  • means are provided for, in response to an overpressure at inside the second volume, in particular when the cover is closed, put the second volume at atmospheric pressure.
  • the presence of the opening valve unidirectional (i.e. opening only under the effect of a depression in the second volume relative to the tank pressure) between the first volume and the second volume prevents the air introduced into the second volume from entering in the tank containing the product to be applied.
  • Such means can be formed by a second opening valve unidirectional, in particular a valve or a ball, or any other means appropriate.
  • said second volume forms on at least part of its height, a cylinder in which the piston slides.
  • the height of this cylindrical portion depends to a large extent on the desired stroke for the piston and the dose of product to be dispensed.
  • the substance of the second volume intended to receive the applicator, and in which the orifice of the output of the product, it can be in the shape of a more or less hemispherical cap, of so that the applicator can, in particular in the hood mounted position, come into intimate, even elastic, contact with this surface portion, and load product perfectly.
  • the shape of such an assembly can be arbitrary.
  • the tank containing the product is of oval section, while the volume containing the applicator member is of circular section.
  • the volume containing the applicator member may also be of oval section.
  • the closing of the cover on the tank is ensured by a system of closure with one or more ramps, known as "twist" closure.
  • Other shapes and combinations of shapes can be envisaged.
  • the piston can be formed by a non-porous portion of said applicator member.
  • the applicator member can be formed from several different materials: a porous material, in particular open cell foam, for its part intended to come into contact with the outlet port of the product reservoir, and intended to apply the product via an application surface; and a material waterproof, in particular in closed-cell foam for its part remote from the tank outlet, and not used directly for the application of the product on the surface to be treated.
  • the piston is formed from a separate element from the organ application, said piston being integral with the application member, and disposed of side of the applicator member opposite the outlet orifice.
  • This may include of an element made of elastomeric material.
  • the piston is crossed by at least one passage capable of allowing the placing said second volume at atmospheric pressure. This allows, in combination with the second valve, to put the volume containing the organ application at atmospheric pressure, thus avoiding any overpressure, especially when the applicator member is replaced inside the second volume.
  • annular space is formed between the second volume and the cover, said annular space being in communication with the second volume, said piston being disposed in said annular space.
  • the piston can be secured to an element delimiting, at least in part, said second volume, and forms a lip, capable, when the cover is opened, of slide tightly against an internal surface of a side skirt formed by said cover.
  • the piston can in particular be obtained by bi-injection or overmolding with the element forming the second volume.
  • said lip is oriented so that, in the presence of a depression inside the second volume, being in leaktight support against said interior surface, and, in the event of overpressure inside the second volume, not be in leaktight abutment against said interior surface, thus allowing the setting at atmospheric pressure of said second volume.
  • the overpressure generated in the second volume moves the lip of the piston away from the interior surface of the cover, thus interrupting the seal, and allowing the restoration of pressure atmospheric inside the second volume.
  • the pressurized air escapes between the piston and the internal surface of the cover, then evacuates under the free edge formed by the side skirt of the hood.
  • the piston can be disengaged, so that, in the "disengaged” position, does not generate depression inside the second volume in response to said audit displacement between said first and second positions, means accessible from the outside, allowing to selectively pass the piston from the "disengaged” position to the “engaged” position and vice versa. So in case of incomplete pumping by the applicator, of the product sucked in the second volume, it is possible to reintroduce the applicator in the second volume, without have to screw the cover back on, and refill it with product without pumping anything else product from the tank.
  • a disengageable piston may consist of a elastically deformable member, in particular in compression.
  • the piston In position no compressed, the piston is of section smaller than the section of the cylinder in which it slides, which corresponds to the "disengaged" position of the piston. In position compressed, the piston is of section greater than the section of the cylinder, and slides tightly in said cylinder, which corresponds to the position "engaged" of the piston.
  • the assembly according to the invention can be formed of a rigid or semi-rigid body, in particular in polyethylene or polypropylene, and comprising a wall transverse pierced with said outlet orifice (s), said second volume being formed of a first skirt portion of said body, and of which a free edge defines a first opening.
  • the free edge of the first skirt portion may include a thread capable of cooperate with a corresponding thread of the removable cover. This type of closure ensures a particularly tight closure of the second volume. Sealing can be further improved by the presence of auxiliary means, in the form in particular a sealing skirt or a seal.
  • the piston can be arranged outside said first skirt portion and be integral with said first skirt portion.
  • the reservoir delimiting the first volume it is preferably disposed of side of the transverse wall opposite to said first skirt portion.
  • the reservoir is formed of a second portion of skirt formed by said body, and having a free edge located opposite the free edge of the first portion of skirt.
  • a follower piston is slidably mounted inside said second skirt portion. So the volume of the tank decreases as the product is pumped inside the tank.
  • the follower piston is replaced by a deformable membrane, especially elastically.
  • a membrane type device elastically deformable it is possible to cite a structure of the type of that described in your patent application EP-A-0 743 263 in the name of the applicant, and that an elastic membrane forms the bottom of a rigid container on which are fitted with a pump and a push button.
  • the membrane is fixed by its periphery to the wall of the rigid container, and is initially flat in shape, or slightly concave or convex towards the product. Over use, the membrane is able to deform elastically over an axial height of 15 to 20 mm for example, so as to follow the shape of the interior of the container.
  • Such a design by its shape, allows to be able to give more surface to the applicator, thus allowing the realization of an applicator for surfaces of the body, especially for the bust or thighs.
  • the reservoir is formed of a flexible pocket with retractable walls mounted on said rigid part.
  • a pocket can be made up of a complex of several materials, notably metallic and / or thermoplastics.
  • the open edge of the pocket is welded to the part rigid.
  • the bottom of the pocket is closed along a weld or glue line.
  • such a pocket is disposed inside a rigid enclosure or semi rigid, means, in particular an orifice or a valve, allowing a air intake inside the space delimited between the rigid or semi-rigid enclosure and the flexible pocket.
  • the applicator member may consist of at least one block of a foam open or semi-open cells of a felt or frit.
  • the applicator member is made of polyether foam, polyester, polyurethane, NBR (Natural Butadiene Rubber), SBR (Synthetic Butadiene Rubber) of PVC (polyvinyl chloride) latex, silicone, or a sintered plastic, in particular polyethylene or nylon, a sintered with metal, in particular bronze, or with a sintered glass.
  • NBR Natural Butadiene Rubber
  • SBR Synthetic Butadiene Rubber
  • PVC polyvinyl chloride latex
  • silicone silicone
  • a sintered plastic in particular polyethylene or nylon, a sintered with metal, in particular bronze, or with a sintered glass.
  • the applicator member in the mounted position of the cover, is in elastic support on said outlet (s). So in the case of a applicator member of compressible material, this is dimensioned so that, when the cover is mounted, the applicator member is at least partially compressed. This extends the period during which the applicator is in contact with the product pumped into the second volume. In addition, this arrangement favors the pumping of the product by the application member when the latter decompresses. Finally, this makes it possible to replenish the application member with product without having to screw the applicator cap back onto the reservoir.
  • a compressible element elastically is disposed between the applicator member and the piston.
  • Such an element may consist of a block of elastomeric material, or a block of foam, with open or closed cells.
  • the packaging and application unit according to the invention is used for packaging and applying a product cosmetic, in particular in the form of a liquid, a gel or a cream.
  • the device 1 comprises a cylindrical body 2 of polypropylene (the cross section of which can be of any which shape, in particular, circular, oval, or elliptical) and delimiting on the one hand and on the other side of a transverse wall 3 two volumes 4, 5.
  • the transverse wall 3 is crossed by an orifice 6 allowing the communication of the first volume 4 with the second 5, via a one-way opening valve 7.
  • the valve 7 consists of an elastic lip, a peripheral portion of which is integral with the transverse wall 3, the rest of the lip being free so as to, in response to a depression inside the second volume 5 relative to the first volume 4, move away from the seat formed by the transverse wall 3.
  • the open position of the valve 7 is shown in dotted lines in FIG. 1A.
  • the valve can be made in elastomeric material, especially natural or synthetic rubber.
  • the first volume 4 is delimited by a lateral skirt 8, one end of which 9, opposite the transverse wall 3 is open. Inside the skirt is mounted sliding tightly, a piston 10, suitable, in response to a vacuum at inside the volume 4, to go up inside the skirt 8, so as to follow the product P, arranged between the piston 10 and the transverse wall 3.
  • the open bottom of the skirt 8 can be closed off by an attached bottom (not shown) pierced with an orifice air intake.
  • the product P can in particular be a cream, a powder or a body milk.
  • the second volume 5 is formed of a side skirt 11 oriented opposite the first skirt 8, and a free edge 12 of which defines an opening 13.
  • the wall internal of the skirt 11 forms a cylinder over a substantial part of its height.
  • the outer surface of the skirt 11 has in the vicinity of its free edge 12 a thread 14 able to cooperate with a corresponding thread 15 formed on the surface internal side skirt 16 of a removable cover 17.
  • the cover 17 includes a sealing skirt 18 able to bear so watertight against the internal surface of the skirt 11 so as to perfect the seal when the cover 17 is closed by the thread 15.
  • the cover also forms an axial chimney 19 in which is force-fitted (or glued) a applicator 20.
  • the applicator 20 comprises a part 21 with closed cells, intended to come into engagement inside the axial chimney 19, and the peripheral edge of which is capable of sliding so tight against the inner surface of the skirt 11, so as to form a piston.
  • the applicator 20 also comprises a portion 22 made of a material made of open or semi-open cell foam, to pump product P contained in volume 4.
  • the portion 22 can be glued to the portion 21 or be obtained by molding with the portion 21.
  • the applicator member 20 is dimensioned so that, in the mounted position of the cover 17, illustrated in the FIG. 1A, the portion 22 of the applicator member 20 is at least in part, compressed.
  • the portion 22 of the applicator member 20 has a surface 23, located opposite the piston 21, and which, in the mounted position of the cover 17, is in intimate contact, or even in elastic support on the valve 7.
  • the portion 21 with closed cells is pierced in its center with a channel 24 opening on the one hand on the open cell portion 22 of the organ application 20, and on the other hand, opposite a vent orifice 25 provided in the upper wall 26 of the cover 17.
  • the vent orifice 25 is closed by a check valve unidirectional opening 27, of the same type as the valve 7, and capable of opening on outside (see dotted position), in response to overpressure inside the second volume 5.
  • the piston at the opening of the cover 17, moves, in support sealed against the internal wall of the skirt 11 between a first illustrated position in FIG. 1A (closed position of the cover) and a second position (close to the position of FIG. 1B) in which the seal is broken between the piston and the cylindrical skirt 11.
  • the user unscrews the cover 17, and pulls it axially so as to extract the applicator member 20 from the volume 5.
  • the portion 21 of the applicator member 20 slides from sealingly against the internal surface of the skirt 11, thereby generating a depression inside the volume 5.
  • the valve 7 comes off from its seat (FIG. 1B), and lets the product P, which is sucked inside the volume 5.
  • the product P is then placed in the contact of the application surface 23, and is pumped by the porous material constituting the portion 22 of the applicator member 20.
  • the product can then be applied, bringing the application surface 23 of the application member 20 into engagement with the surface to be treated.
  • the user screws the cover 17.
  • the air trapped in the volume 5 under the applicator member 20, is expelled from the device via the pores of the open cell foam 21, via channel 24, and via orifice 25, when the valve 27 comes off the seat formed by the wall 26 of the cover.
  • the device is then ready for a new application.
  • the product P is contained inside a pocket with flexible walls 30, defining the first volume 4 and one of which open end 35 is mounted, in particular by welding, on the surface exterior 31 of a mounting part 32 forming the body of the device.
  • the pocket with flexible walls 30 is disposed inside a rigid enclosure 33 whose bottom has an air intake orifice 34.
  • the rigid enclosure 33 can be mounted by snap on the mounting part 32, by means of a bead of breakdown (not shown).
  • the mounting piece 32 forms, opposite the pocket 30, a skirt 11, the inner surface delimits the second volume 5, which is cylindrical on a substantial part of its height.
  • One end of the skirt 11 is closed by a transverse wall 3, crossed by an orifice 6, closed by a valve 7 of the same type that the valve 7 of the embodiment of Figures 1A-1C.
  • a portion lower 36 of the skirt 11 is in alignment with the outer enclosure 33.
  • a intermediate portion 37, of external section, less than the section of the part lower 36, carries the thread 14, able to cooperate with the corresponding thread 15 of the cover 17.
  • An upper portion 38 has a free edge, delimiting the opening 13 for the second volume 5.
  • the upper portion 38 is of section less than the maximum section of the intermediate portion 37 so as to define with the cover 17 an annular space 80.
  • the applicator member 20 is formed from a single block of cell foam. open, a portion of which is mounted inside the axial skirt 19 carried by the cover 17.
  • the applicator is preferably of such size that, in the screwed position cover 17, the applicator member 20 is at least partially compressed at inside the volume 5, so that the application surface 23 is in abutment elastic at the bottom of volume 5.
  • the upper portion 38 of the skirt 11 carries on its outer surface a lip forming piston 39, moving in annular space 80.
  • the lip is oriented so that, in the absence of overpressure inside the volume 5, its free edge 40 either in sealed support against a corresponding surface 41 of the side skirt 16 of the cover 17.
  • the free edge 40 of the lip 39 moves away from the surface 41 of the cover, so as to no longer be in sealed contact on said surface 41, and to allow air to escape under the free edge of the skirt 16 of the cover 17.
  • the lip 39 is inclined towards the free edge of the side skirt 16 of the cover 17, and ends with a cylindrical surface 40 capable of coming to bear waterproof on the cylindrical surface 41.
  • the cover 17 is unscrewed and pulled axially so as to extract the applicator member 20 from the volume 5.
  • the free edge 40 of the lip 39 is in leaktight support on the surface 41 of the cover 17, thus causing a depression inside the volume 5.
  • the depression causes the opening of the valve 7 and the suction of the product P inside the volume 5 via the orifice 6.
  • the applicator member 20 pumps the product P.
  • the product is then applied in the manner indicated with reference to the embodiment of the FIGS. 1A-1C by placing the application surface 23 of the application member 20 in engagement with the surface to be treated.
  • the cover is closed, the air trapped in the volume 5 is expelled to the outside, thanks to the piston 39 whose free edge 40 comes off the surface 41 of the cover.
  • the operation of the embodiment of FIG. 4 is identical to the operation of the embodiment of FIG. 3.
  • the application surface 23 of the application member 20 is in abutment elastic on the bottom of volume 5 thanks to the presence of the compressible element 60 which, in this position, is at least partly compressed.
  • the compressible element gradually decompresses, thereby prolonging the period of bringing the application surface 23 into communication with the product P coming out through hole 6.
  • the axial chimney 19 ends by a transverse flange 70 whose axial position is fixed. Adjacent to the flange 70, there is an element 71 of elastomeric material deformable by compression, and selectively acting as a piston. Element 71 can be in the form of a hollow toric element. Element 71 is arranged between the collar 70 and a second collar 72, which is connected in its center by a rod 73, axially movable, and connected to a handle 75 via a cam surface 74 whose position relative to the surface 26 of the cover 17 determines the axial position of the flange 72, and, therefore, the degree of axial compression of the element 71 forming the piston.
  • the compressible element 71 In the position of FIG. 5A, the compressible element 71 is not compressed from sensitive way. Its external section is less than the internal section of the volume 5, so that, by axially moving the cover 17, in particular at opening or closing, the piston 71 cannot come into watertight support on the internal surface of volume 5. This position corresponds to a position "disengaged" from piston 71.
  • the compressible element 71 In the position of FIG. 5B, the compressible element 71 is compressed by sensitive way. Its outer section is slightly larger than the section internal of the volume 5, so that, by axially moving the cover 17, in particular on opening or closing, the piston 71 moves in abutment waterproof on the internal surface of volume 5. This position corresponds to a piston 71 position "engaged".
  • the difference in cross section of piston 71 between the disengaged position and the engaged position can be of the order of 1 to several millimeters.
  • An applicator member 20 is fixed on the surface of the collar 72, opposite to the piston 71.
  • the applicator member 20 may consist of an element compressible, in particular of an open-cell foam, or of an element rigid, especially a sintered. In the latter case, the elastic bearing of the application surface 23 on the orifice 6 formed in the wall 3 is made essentially by the presence of the compressible piston 71.
  • a valve device (not shown) can act as a vent when the cover 17 is closed by engaged position of the piston 71. Alternatively, it is possible to provide that the closing can only be carried out in the disengaged position of the piston 71, allowing thus to dispense with such a valve.
  • the user positions the piston 71 in the position of Figure 5B.
  • the element 71 acts as a piston, thus generating a vacuum inside the volume 5, and the pumping a dose of product P through the application surface 23 of the organ 20.
  • the application to the surface to be treated is the same as for the other embodiments. If in use, it is necessary to reload the application surface, and if it remains in the bottom of volume 5 enough excess product, then the user disengages the piston 71 by positioning in the position of FIG. 5A. It replenishes the application organ in volume 5, so as to bring the application surface 23 back into contact with the product at the bottom of volume 5. Conversely, if there are no more of product in the bottom of volume 5, it leaves the piston in the position of Figure 5B, and proceeds to pump a new dose as shown previously.

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  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)

Abstract

The container is divided by a partition with an outlet and one-way valve into two compartments, one containing the product and the other a porous applicator and a piston attached to a screw cap. When the cap is removed the piston creates a depression in the upper compartment which opens the valve and draws a dose of the product through the outlet and onto the applicator.

Description

La présente invention a trait à un ensemble pour le conditionnement et l'application d'un produit, notamment cosmétique. L'invention est tout particulièrement adaptée pour les produits sous forme d'un liquide, d'un gel ou d'une crème. A titre d'exemple, on citera le conditionnement et l'application de produits de soin, notamment de la peau ou du cheveu, des démaquillants ou des produits de coloration capillaire.The present invention relates to an assembly for packaging and the application of a product, in particular cosmetic. The invention is everything particularly suitable for products in the form of a liquid, gel or of a cream. By way of example, mention may be made of the packaging and application of care products, in particular for the skin or the hair, make-up removers or hair coloring products.

Dans le domaine de la cosmétique notamment, certains produits, notamment sous forme d'un lait, d'une crème ou d'un gel sont distribués sous pression au moyen d'une pompe. En raison de leur instabilité en présence d'air, ils peuvent être conditionnés dans des systèmes à pompe du type sans reprise d'air, c'est à dire conditionnés sous vide dans des réservoirs dont le volume diminue au fil des utilisations. Typiquement, on utilise une poche à parois rétractables, un tube à parois déformables, ou un flacon dans lequel est disposé un piston suiveur. La pompe peut être du type à piston, à membrane ou à clapet.In the field of cosmetics in particular, certain products, especially under in the form of a milk, a cream or a gel are dispensed under pressure by means of of a pump. Due to their instability in the presence of air, they can be conditioned in pump systems of the type without air intake, i.e. vacuum packed in tanks whose volume decreases over time uses. Typically, a pocket with retractable walls is used, a tube with deformable walls, or a bottle in which is placed a follower piston. The pump can be of the piston, diaphragm or valve type.

Pour appliquer le produit, l'utilisatrice prélève le produit pompé sur l'un ou plusieurs de ses doigts, et l'applique en massant la surface à traiter. Alternativement, le produit est appliqué au moyen d'un applicateur, notamment sous forme d'une mousse à cellules ouvertes.To apply the product, the user takes the pumped product from one or more several of his fingers, and applies it by massaging the surface to be treated. Alternatively, the product is applied by means of an applicator, in particular as an open cell foam.

Dans le cas d'un applicateur réutilisable de nombreuses fois, en particulier tout au long de la durée de vie du produit, il peut être souhaitable que celui-ci, entre deux utilisations, soit stocké à l'abri de l'air de manière à ce que ses propriétés mécaniques, notamment de souplesse, ou d'absorption ne soient pas altérées. En outre, dans le cas d'un applicateur qui n'est pas nettoyé après chaque utilisation, le contact du produit restant sur l'applicateur avec l'air ambiant, ou avec tout autre élément de l'environnement dans lequel il est conservé, risque de souiller l'applicateur et d'altérer le produit qu'il porte. En tout état de cause, le transport d'un tel applicateur, notamment dans le sac à mains de l'utilisatrice, n'est pas sans poser de problèmes.In the case of an applicator which can be reused many times, especially during over the life of the product, it may be desirable for it to be between two uses, be stored away from air so that its properties mechanical, including flexibility, or absorption are not altered. In moreover, in the case of an applicator which is not cleaned after each use, the contact of the product remaining on the applicator with the ambient air, or with any other element of the environment in which it is stored, may contaminate the applicator and alter the product it carries. In any event, the transport of such an applicator, especially in the user's handbag, is not without cause problems.

Enfin, pour certains applicateurs, dont la forme est appropriée au profil de la surface à traiter, notamment au profil des lèvres ou du coin de l'oeil, il peut être souhaitable que le produit soit déposé toujours de la même manière sur l'applicateur, et dans les mêmes quantités, de manière à réaliser une application qui soit reproductible d'une fois à la fois suivante.Finally, for certain applicators, the shape of which is appropriate to the profile of the surface to be treated, in particular on the profile of the lips or the corner of the eye, it can be desirable that the product is always deposited in the same way on the applicator, and in the same quantities, so as to carry out an application which can be reproduced from one time to the next.

Du brevet Européen EP 0 612 488 au nom de la demanderesse, il est connu de réaliser un ensemble d'application sous forme d'un réservoir contenant un produit à appliquer, un capot destiné à fermer le réservoir, et un porte applicateur supportant un élément d'application, déformable, notamment en mousse ou en élastomère basse dureté. Le réservoir est limité par un embout capillaire en forme de doigt de gant, ayant un fond muni d'un siège percé d'au moins un orifice capillaire contre lequel l'élément déformable est appliqué et déformé dans la position de fermeture du réservoir par le capot. Un tel dispositif convient parfaitement pour des fluides très liquides ou des poudres. Dans le cas d'une crème, il est très difficile d'amener la crème en contact avec les orifices capillaires. En outre, la présence d'un volume d'air au dessus de la surface libre du produit peut être préjudiciable à la qualité du produit, et notamment à ses propriétés cosmétiques.From European patent EP 0 612 488 in the name of the applicant, it is known to create an application set in the form of a reservoir containing a product to be applied, a cover intended to close the reservoir, and an applicator holder supporting an application element, deformable, in particular of foam or low hardness elastomer. The reservoir is limited by a shaped capillary tip thermowell, having a bottom provided with a seat pierced with at least one orifice capillary against which the deformable element is applied and deformed in the tank closed position by the cover. Such a device is suitable ideal for very liquid fluids or powders. In the case of a cream, it is very difficult to bring the cream into contact with the capillary orifices. In addition, the presence of a volume of air above the free surface of the product can be detrimental to the quality of the product, and in particular its properties cosmetics.

Aussi, est-ce un des objets de l'invention que de fournir un ensemble de conditionnement et d'application, 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 provide a set of conditioning and application, solving all or part of the problems discussed above with reference to conventional devices.

C'est en particulier un objet de l'invention que de fournir un dispositif qui soit adapté en particulier aux produits à forte viscosité, notamment sous forme de crèmes. It is in particular an object of the invention to provide a device which is particularly suitable for products with high viscosity, in particular in the form of creams.

C'est encore un objet de l'invention que de permettre un chargement précis et reproductible en produit d'un organe d'application.It is also an object of the invention to allow precise loading and reproducible as a product of an application organ.

D'autres objets encore apparaítront dans la description détaillée qui suit.Still other objects will appear in the detailed description which follows.

Selon l'invention, ces objets sont atteints en réalisant un ensemble de conditionnement et d'application d'un produit, notamment cosmétique, comprenant un réservoir pour ledit produit et délimitant un premier volume, diminuant en réponse à une dépression à l'intérieur du réservoir, ledit réservoir présentant au moins un orifice de sortie obturé par une première valve à ouverture unidirectionnelle, s'ouvrant sélectivement en direction d'un second volume, destiné à recevoir de manière amovible, un organe d'application, formé au moins en partie, d'un élément poreux, apte à absorber ledit produit, ledit second volume étant fermé de manière étanche par un capot, monté de manière réversible sur ledit ensemble, un piston étant prévu pour, notamment à l'ouverture du capot, provoquer une dépression à l'intérieur du second volume et provoquer l'ouverture de ladite première valve, et le pompage d'une dose dudit produit par ledit organe d'application, via ledit orifice de sortie.According to the invention, these objects are achieved by producing a set of packaging and application of a product, in particular cosmetic, comprising a reservoir for said product and delimiting a first volume, decreasing in response to a vacuum inside the tank, said tank having at least one outlet orifice closed by a first opening valve unidirectional, opening selectively towards a second volume, intended to receive removably, an application member, formed at least in part, of a porous element, capable of absorbing said product, said second volume being tightly closed by a cover, reversibly mounted on said assembly, a piston being provided for, in particular at the opening of the cover, cause a depression inside the second volume and cause the opening of said first valve, and pumping a dose of said product by said organ application, via said outlet.

Ainsi, l'organe d'application, en position montée du capot, est disposé de manière prédéterminée par rapport à l'orifice de sortie du produit, de préférence en appui élastique sur l'orifice de sortie, ce qui permet son chargement précis, aussi bien quant à la quantité de produit prélevée, que quant à la localisation du produit sur l'applicateur. L'applicateur, entre deux applications, est conservé à l'abri de l'air, ce qui lui permet de conserver ses bonnes propriétés mécaniques, notamment de souplesse, et ce qui permet d'éviter que le produit restant sur l'applicateur soit altéré en présence d'air ou vienne souiller l'environnement de l'applicateur.Thus, the applicator member, in the mounted position of the cover, is arranged so predetermined with respect to the product outlet orifice, preferably in support elastic on the outlet, which allows its precise loading, as well as for the quantity of product removed, as for the location of the product on the applicator. The applicator, between two applications, is kept away from air, which allows it to retain its good mechanical properties, in particular flexibility, and which prevents the product remaining on the applicator from being altered in the presence of air or contaminates the environment of the applicator.

Quelle que soit la viscosité du produit, celui-ci peut être pompé par l'organe d'application en réponse à la dépression générée par le mouvement relatif du piston. Le volume absorbable par l'applicateur est de préférence supérieur ou égal au volume pompé en réponse au déplacement du piston. Il est toutefois possible de prévoir que le volume absorbable par l'organe d'application soit inférieur au volume de produit pompé. Dans ce dernier cas, on peut prévoir, comme on le verra en détail par la suite, de rendre le piston débrayable, de manière à pouvoir aller prélever le produit en excès, non pompé par l'organe d'application, sans pomper à nouveau dudit produit.Whatever the viscosity of the product, it can be pumped by the organ of application in response to the depression generated by the relative movement of the piston. The volume absorbable by the applicator is preferably greater than or equal the volume pumped in response to displacement of the piston. However, it is possible to provide that the volume absorbable by the applicator member is less than volume of product pumped. In the latter case, we can plan, as we will see in detail thereafter, making the piston disengageable, so as to be able go to collect the excess product, not pumped by the applicator, without pump the said product again.

Avantageusement, ledit organe d'application est solidaire du capot, ledit piston générant la dépression à l'intérieur du second volume, en passant d'une première position à une seconde, lors de l'ouverture du capot. Le capot forme ainsi un organe de préhension pour l'organe d'application. D'un seul et même geste, on assure à la fois l'ouverture de l'ensemble et le chargement en produit de l'organe d'application, et ceci d'une manière parfaitement reproductible. L'organe d'application peut être, en l'absence de contrainte, de section transversale supérieure à la section transversale du piston.Advantageously, said applicator member is integral with the cover, said piston generating the depression inside the second volume, passing from a first position to one second, when opening the cover. The hood thus forms a gripping member for the application member. With a single gesture, we ensures both the opening of the assembly and the product loading of the organ of application, and this in a perfectly reproducible manner. The organ application can be, in the absence of constraint, of cross section greater than the cross section of the piston.

De préférence, des moyens sont prévus pour, en réponse à une surpression à l'intérieur du second volume, notamment à la fermeture du capot, mettre le second volume à la pression atmosphérique. La présence de la valve à ouverture unidirectionnelle (c'est à dire ne s'ouvrant que sous l'effet d'une dépression dans le second volume par rapport à la pression du réservoir) entre le premier volume et le second volume empêche l'air introduit dans le second volume, de pénétrer dans le réservoir contenant le produit à appliquer.Preferably, means are provided for, in response to an overpressure at inside the second volume, in particular when the cover is closed, put the second volume at atmospheric pressure. The presence of the opening valve unidirectional (i.e. opening only under the effect of a depression in the second volume relative to the tank pressure) between the first volume and the second volume prevents the air introduced into the second volume from entering in the tank containing the product to be applied.

De tels moyens peuvent être formés d'une seconde valve à ouverture unidirectionnelle, notamment d'un clapet ou d'une bille, ou de tout autre moyen approprié.Such means can be formed by a second opening valve unidirectional, in particular a valve or a ball, or any other means appropriate.

Selon un mode de réalisation particulier, ledit second volume forme sur au moins une partie de sa hauteur, un cylindre dans lequel coulisse le piston. La hauteur de cette portion cylindrique dépend dans une large mesure de la course souhaitée pour le piston et de la dose de produit à distribuer. Quant au fond du second volume, destiné à recevoir l'applicateur, et dans lequel est ménagé l'orifice de sortie du produit, il peut être en forme de calotte plus ou moins hémisphérique, de manière à ce que l'applicateur puisse, notamment en position montée du capot, venir en contact intime, voire élastique, avec cette portion de surface, et se charger parfaitement en produit.According to a particular embodiment, said second volume forms on at least part of its height, a cylinder in which the piston slides. The height of this cylindrical portion depends to a large extent on the desired stroke for the piston and the dose of product to be dispensed. As for the substance of the second volume, intended to receive the applicator, and in which the orifice of the output of the product, it can be in the shape of a more or less hemispherical cap, of so that the applicator can, in particular in the hood mounted position, come into intimate, even elastic, contact with this surface portion, and load product perfectly.

La forme d'un tel ensemble peut être quelconque. On peut en effet prévoir que le réservoir contenant le produit soit de section ovale, alors que le volume contenant l'organe d'application est de section circulaire. Alternativement, le volume contenant l'organe d'application peut également être de section ovale. Dans ce cas, la fermeture du capot sur le réservoir est assurée par un système de fermeture à une ou plusieurs rampes, connu sous le nom de fermeture "twist". D'autres formes et combinaisons de formes peuvent être envisagées.The shape of such an assembly can be arbitrary. We can indeed foresee that the tank containing the product is of oval section, while the volume containing the applicator member is of circular section. Alternatively, the volume containing the applicator member may also be of oval section. In this case, the closing of the cover on the tank is ensured by a system of closure with one or more ramps, known as "twist" closure. Other shapes and combinations of shapes can be envisaged.

Le piston peut être formé par une portion non poreuse dudit organe d'application. Ainsi, l'organe d'application peut être formé de plusieurs matériaux différents : un matériau poreux, notamment en mousse à cellules ouvertes, pour sa partie destinée à venir en contact avec l'orifice de sortie du réservoir de produit, et destinée à appliquer le produit via une surface d'application; et un matériau étanche, notamment en mousse à cellules fermées pour sa partie distante de l'orifice de sortie du réservoir, et ne servant pas directement à l'application du produit sur la surface à traiter.The piston can be formed by a non-porous portion of said applicator member. Thus, the applicator member can be formed from several different materials: a porous material, in particular open cell foam, for its part intended to come into contact with the outlet port of the product reservoir, and intended to apply the product via an application surface; and a material waterproof, in particular in closed-cell foam for its part remote from the tank outlet, and not used directly for the application of the product on the surface to be treated.

Selon une alternative, le piston est formé d'un élément distinct de l'organe d'application, ledit piston étant solidaire de l'organe d'application, et disposé du côté de l'organe d'application opposé à l'orifice de sortie. Il peut s'agir notamment d'un élément en matériau élastomérique.According to an alternative, the piston is formed from a separate element from the organ application, said piston being integral with the application member, and disposed of side of the applicator member opposite the outlet orifice. This may include of an element made of elastomeric material.

De préférence, le piston est traversé par au moins un passage apte à permettre la mise à la pression atmosphérique dudit second volume. On permet ainsi, en combinaison avec la deuxième valve, de mettre le volume contenant l'organe d'application à la pression atmosphérique, évitant ainsi toute surpression, notamment lorsque l'organe d'application est remis en place à l'intérieur du second volume.Preferably, the piston is crossed by at least one passage capable of allowing the placing said second volume at atmospheric pressure. This allows, in combination with the second valve, to put the volume containing the organ application at atmospheric pressure, thus avoiding any overpressure, especially when the applicator member is replaced inside the second volume.

Selon une alternative, un espace annulaire est formé entre le second volume et le capot, ledit espace annulaire étant en communication avec le second volume, ledit piston étant disposé dans ledit espace annulaire.According to an alternative, an annular space is formed between the second volume and the cover, said annular space being in communication with the second volume, said piston being disposed in said annular space.

Ainsi, le piston peut être solidaire d'un élément délimitant, au moins pour partie, ledit second volume, et forme une lèvre, apte, lors de l'ouverture du capot, à coulisser de manière étanche contre une surface interne d'une jupe latérale formée par ledit capot. Le piston peut être notamment obtenu par bi-injection ou surmoulage avec l'élément formant le second volume.Thus, the piston can be secured to an element delimiting, at least in part, said second volume, and forms a lip, capable, when the cover is opened, of slide tightly against an internal surface of a side skirt formed by said cover. The piston can in particular be obtained by bi-injection or overmolding with the element forming the second volume.

Avantageusement, ladite lèvre est orientée de manière à, en présence d'une dépression à l'intérieur du second volume, être en appui étanche contre ladite surface intérieure, et, en cas de surpression à l'intérieur du second volume, ne pas être en appui étanche contre ladite surface intérieure, permettant ainsi la mise à la pression atmosphérique dudit second volume. Ainsi, lorsque le capot applicateur est repositionné sur le réservoir, la surpression générée dans le second volume éloigne la lèvre du piston de la surface intérieure du capot, interrompant ainsi l'étanchéité, et permettant le rétablissement de la pression atmosphérique à l'intérieur du second volume. L'air sous pression s'échappe entre le piston et la surface interne du capot, puis s'évacue sous le bord libre formé par la jupe latérale du capot.Advantageously, said lip is oriented so that, in the presence of a depression inside the second volume, being in leaktight support against said interior surface, and, in the event of overpressure inside the second volume, not be in leaktight abutment against said interior surface, thus allowing the setting at atmospheric pressure of said second volume. So when the hood applicator is repositioned on the reservoir, the overpressure generated in the second volume moves the lip of the piston away from the interior surface of the cover, thus interrupting the seal, and allowing the restoration of pressure atmospheric inside the second volume. The pressurized air escapes between the piston and the internal surface of the cover, then evacuates under the free edge formed by the side skirt of the hood.

Le piston peut être débrayable, de manière à, en position "débrayée", ne pas générer de dépression à l'intérieur du second volume en réponse audit déplacement entre lesdites première et seconde positions, des moyens accessibles depuis l'extérieur, permettant de, sélectivement, faire passer le piston de la position "débrayée" à la position "embrayée" et réciproquement. Ainsi, en cas de pompage incomplet par l'applicateur, du produit aspiré dans le second volume, il est possible de réintroduire l'applicateur dans le second volume, sans avoir à revisser le capot, et de le réalimenter en produit sans pomper d'autre produit depuis le réservoir. Un tel piston débrayable peut être constitué d'un organe élastiquement déformable, en particulier en compression. En position non comprimée, le piston est de section inférieure à la section du cylindre dans lequel il coulisse, ce qui correspond à la position "débrayée" du piston. En position comprimée, le piston est de section supérieure à la section du cylindre, et coulisse de manière étanche dans ledit cylindre, ce qui correspond à la position "embrayée" du piston.The piston can be disengaged, so that, in the "disengaged" position, does not generate depression inside the second volume in response to said audit displacement between said first and second positions, means accessible from the outside, allowing to selectively pass the piston from the "disengaged" position to the "engaged" position and vice versa. So in case of incomplete pumping by the applicator, of the product sucked in the second volume, it is possible to reintroduce the applicator in the second volume, without have to screw the cover back on, and refill it with product without pumping anything else product from the tank. Such a disengageable piston may consist of a elastically deformable member, in particular in compression. In position no compressed, the piston is of section smaller than the section of the cylinder in which it slides, which corresponds to the "disengaged" position of the piston. In position compressed, the piston is of section greater than the section of the cylinder, and slides tightly in said cylinder, which corresponds to the position "engaged" of the piston.

L'ensemble selon l'invention peut être formé d'un corps rigide ou semi rigide, notamment en polyéthyléne ou polypropylène, et comportant une paroi transversale percée dudit (ou desdits) orifice(s) de sortie, ledit second volume étant formé d'une première portion de jupe dudit corps, et dont un bord libre délimite une première ouverture.The assembly according to the invention can be formed of a rigid or semi-rigid body, in particular in polyethylene or polypropylene, and comprising a wall transverse pierced with said outlet orifice (s), said second volume being formed of a first skirt portion of said body, and of which a free edge defines a first opening.

Le bord libre de la première portion de jupe peut comporter un filetage apte à coopérer avec un filetage correspondant du capot amovible. Ce type de fermeture assure une fermeture particulièrement étanche du second volume. L'étanchéité peut encore être améliorée par le présence de moyens auxiliaires, sous forme notamment d'une jupe d'étanchéité ou d'un joint.The free edge of the first skirt portion may include a thread capable of cooperate with a corresponding thread of the removable cover. This type of closure ensures a particularly tight closure of the second volume. Sealing can be further improved by the presence of auxiliary means, in the form in particular a sealing skirt or a seal.

Le piston peut être disposé à l'extérieur de ladite première portion de jupe et être solidaire de ladite première portion de jupe. La réalisation de l'organe d'application, et, en particulier de la structure qui le porte, s'en trouve facilitée dans la mesure où il n'est pas nécessaire d'y adjoindre un piston auxiliaire.The piston can be arranged outside said first skirt portion and be integral with said first skirt portion. The realization of the organ of application, and in particular of the structure which supports it, is thereby facilitated since it is not necessary to add an auxiliary piston to it.

Quant au réservoir délimitant le premier volume, il est de préférence, disposé du côté de la paroi transversale opposé à ladite première portion de jupe.As for the reservoir delimiting the first volume, it is preferably disposed of side of the transverse wall opposite to said first skirt portion.

Avantageusement, le réservoir est formé d'une seconde portion de jupe formée par ledit corps, et présentant un bord libre situé à l'opposé du bord libre de la première portion de jupe. Selon une version préférentielle, un piston suiveur est monté coulissant à l'intérieur de ladite seconde portion de jupe. Ainsi, le volume du réservoir diminue au fur et à mesure que le produit est pompé à l'intérieur du réservoir.Advantageously, the reservoir is formed of a second portion of skirt formed by said body, and having a free edge located opposite the free edge of the first portion of skirt. According to a preferred version, a follower piston is slidably mounted inside said second skirt portion. So the volume of the tank decreases as the product is pumped inside the tank.

Alternativement, le piston suiveur est remplacé par une membrane déformable, notamment élastiquement. A titre d'exemple de dispositif du type à membrane déformable élastiquement, il est possible de citer une structure du type de celle décrite dans ta demande de brevet EP-A-0 743 263 au nom de la demanderesse, et selon laquelle une membrane élastique forme le fond d'un récipient rigide sur lequel sont montés une pompe et un bouton poussoir. La membrane est fixée par sa périphérie à la paroi du récipient rigide, et est de forme initialement plate, ou légèrement concave ou convexe vers le produit. Au fil des utilisations, la membrane est apte à se déformer élastiquement sur une hauteur axiale de 15 à 20 mm par exemple, de manière à épouser la forme de l'intérieur du récipient. Une telle conception, de par sa forme, permet de pouvoir donner plus de surface à l'applicateur, permettant ainsi la réalisation d'un applicateur pour des surfaces plus importantes du corps, notamment pour le buste ou les cuisses.Alternatively, the follower piston is replaced by a deformable membrane, especially elastically. As an example of a membrane type device elastically deformable, it is possible to cite a structure of the type of that described in your patent application EP-A-0 743 263 in the name of the applicant, and that an elastic membrane forms the bottom of a rigid container on which are fitted with a pump and a push button. The membrane is fixed by its periphery to the wall of the rigid container, and is initially flat in shape, or slightly concave or convex towards the product. Over use, the membrane is able to deform elastically over an axial height of 15 to 20 mm for example, so as to follow the shape of the interior of the container. Such a design, by its shape, allows to be able to give more surface to the applicator, thus allowing the realization of an applicator for surfaces of the body, especially for the bust or thighs.

Selon une variante de l'invention, le réservoir est formé d'une poche souple à parois rétractables montée sur ladite pièce rigide. Une telle poche peut être constituée d'un complexe de plusieurs matériaux, notamment métalliques et/ou thermoplastiques. Typiquement, le bord ouvert de la poche est soudé sur la pièce rigide. Le fond de la poche est fermé selon une ligne de soudure ou de collage.According to a variant of the invention, the reservoir is formed of a flexible pocket with retractable walls mounted on said rigid part. Such a pocket can be made up of a complex of several materials, notably metallic and / or thermoplastics. Typically, the open edge of the pocket is welded to the part rigid. The bottom of the pocket is closed along a weld or glue line.

De préférence, une telle poche est disposée à l'intérieur d'une enceinte rigide ou semi rigide, des moyens, notamment un orifice ou un clapet, permettant une reprise d'air à l'intérieur de l'espace délimité entre l'enceinte rigide ou semi rigide et la poche souple.Preferably, such a pocket is disposed inside a rigid enclosure or semi rigid, means, in particular an orifice or a valve, allowing a air intake inside the space delimited between the rigid or semi-rigid enclosure and the flexible pocket.

L'organe d'application peut être constitué d'au moins un bloc d'une mousse à cellules ouvertes ou semi-ouvertes d'un feutre ou d'un fritté. The applicator member may consist of at least one block of a foam open or semi-open cells of a felt or frit.

A titre d'exemples, l'organe d'application est constitué d'une mousse de polyéther, de polyester, de polyuréthanne, de NBR (Natural Butadiene Rubber), de SBR (Synthetic Butadiene Rubber) de PVC (Chlorure de polyvinyle) de latex, de silicone, ou d'un fritté de plastique, notamment de polyéthylène ou de Nylon, d'un fritté de métal, notamment de bronze, ou d'un fritté de verre.As examples, the applicator member is made of polyether foam, polyester, polyurethane, NBR (Natural Butadiene Rubber), SBR (Synthetic Butadiene Rubber) of PVC (polyvinyl chloride) latex, silicone, or a sintered plastic, in particular polyethylene or nylon, a sintered with metal, in particular bronze, or with a sintered glass.

Avantageusement, en position montée du capot, l'organe d'application est en appui élastique sur ledit (ou lesdits) orifice(s) de sortie. Ainsi, dans le cas d'un organe d'application en matériau compressible, celui-ci est dimensionné de sorte que, lorsque le capot est monté, l'organe d'application soit au moins partiellement comprimé. On prolonge ainsi la période pendant laquelle l'organe d'application est en contact avec le produit pompé dans le second volume. En outre, cette disposition favorise le pompage du produit par l'organe d'application lorsque celui-ci se décomprime. Enfin, cela permet de réalimenter l'organe d'application en produit sans avoir à revisser le capot applicateur sur le réservoir.Advantageously, in the mounted position of the cover, the applicator member is in elastic support on said outlet (s). So in the case of a applicator member of compressible material, this is dimensioned so that, when the cover is mounted, the applicator member is at least partially compressed. This extends the period during which the applicator is in contact with the product pumped into the second volume. In addition, this arrangement favors the pumping of the product by the application member when the latter decompresses. Finally, this makes it possible to replenish the application member with product without having to screw the applicator cap back onto the reservoir.

Dans l'hypothèse où l'organe d'application est en matériau non compressible de manière sensible, notamment en feutre ou en fritté, un élément compressible élastiquement est disposé entre l'organe d'application et le piston. Un tel élément peut être constitué d'un bloc d'un matériau élastomérique, ou d'un bloc de mousse, à cellules ouvertes ou fermées.In the event that the applicator member is made of non-compressible material of in a sensitive manner, in particular in felt or sintered material, a compressible element elastically is disposed between the applicator member and the piston. Such an element may consist of a block of elastomeric material, or a block of foam, with open or closed cells.

Avantageusement, l'ensemble de conditionnement et d'application selon l'invention est utilisé pour le conditionnement et l'application d'un produit cosmétique, notamment sous forme d'un liquide d'un gel ou d'une crème.Advantageously, the packaging and application unit according to the invention is used for packaging and applying a product cosmetic, in particular in the form of a liquid, a gel or a cream.

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:

  • les figures 1A-1C illustrent un premier mode de réalisation d'un ensemble selon la présente invention;
  • la figure 2 représente un second mode de réalisation d'un ensemble selon la présente invention;
  • la figure 3 représente un troisième mode de réalisation d'un ensemble selon la présente invention;
  • la figure 4 représente un quatrième mode de réalisation d'un ensemble selon la présente invention; et
  • les figures 5A-5B représentent un cinquième mode de réalisation d'un ensemble selon la présente invention
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:
  • Figures 1A-1C illustrate a first embodiment of an assembly according to the present invention;
  • FIG. 2 represents a second embodiment of an assembly according to the present invention;
  • FIG. 3 represents a third embodiment of an assembly according to the present invention;
  • FIG. 4 represents a fourth embodiment of an assembly according to the present invention; and
  • Figures 5A-5B show a fifth embodiment of an assembly according to the present invention

A titre de remarque préliminaire, les éléments communs aux différents modes de réalisation qui vont être maintenant décrits en détail, sont référencés par les mêmes références numériques.As a preliminary remark, the elements common to the different modes of which will now be described in detail, are referenced by same reference numbers.

Tel que représenté aux figures 1A-1C, le dispositif 1 selon l'invention comprend un corps cylindrique 2 en polypropylène (dont la section peut être de n'importe quelle forme, en particulier, circulaire, ovale, ou elliptique) et délimitant de part et d'autre d'une paroi transversale 3 deux volumes 4, 5. La paroi transversale 3 est traversée par un orifice 6 permettant la mise en communication du premier volume 4 avec le second 5, via un clapet à ouverture unidirectionnelle 7. Le clapet 7 est constitué d'une lèvre élastique dont une portion périphérique est solidaire de la paroi transversale 3, le reste de la lèvre étant libre de manière à, en réponse à une dépression à l'intérieur du second volume 5 par rapport au premier volume 4, s'écarter du siège formé par la paroi transversale 3. La position ouverte du clapet 7 est représentée en pointillés à la figure 1A. Le clapet peut être réalisé en matériau élastomérique, notamment en caoutchouc naturel ou synthétique.As shown in Figures 1A-1C, the device 1 according to the invention comprises a cylindrical body 2 of polypropylene (the cross section of which can be of any which shape, in particular, circular, oval, or elliptical) and delimiting on the one hand and on the other side of a transverse wall 3 two volumes 4, 5. The transverse wall 3 is crossed by an orifice 6 allowing the communication of the first volume 4 with the second 5, via a one-way opening valve 7. The valve 7 consists of an elastic lip, a peripheral portion of which is integral with the transverse wall 3, the rest of the lip being free so as to, in response to a depression inside the second volume 5 relative to the first volume 4, move away from the seat formed by the transverse wall 3. The open position of the valve 7 is shown in dotted lines in FIG. 1A. The valve can be made in elastomeric material, especially natural or synthetic rubber.

Le premier volume 4 est délimité par une jupe latérale 8 dont une extrémité 9, opposée à la paroi transversale 3 est ouverte. A l'intérieur de la jupe est monté coulissant de manière étanche, un piston 10, apte, en réponse à une dépression à l'intérieur du volume 4, à remonter à l'intérieur de la jupe 8, de manière à suivre le produit P, disposé entre le piston 10 et la paroi transversale 3. Le fond ouvert de la jupe 8 peut être obturé par un fond rapporté (non représenté) percé d'un orifice de reprise d'air. Le produit P peut être notamment une crème, une poudre ou un lait corporel.The first volume 4 is delimited by a lateral skirt 8, one end of which 9, opposite the transverse wall 3 is open. Inside the skirt is mounted sliding tightly, a piston 10, suitable, in response to a vacuum at inside the volume 4, to go up inside the skirt 8, so as to follow the product P, arranged between the piston 10 and the transverse wall 3. The open bottom of the skirt 8 can be closed off by an attached bottom (not shown) pierced with an orifice air intake. The product P can in particular be a cream, a powder or a body milk.

Le second volume 5 est formé d'une jupe latérale 11 orientée à l'opposé de la première jupe 8, et dont un bord libre 12 délimite une ouverture 13. La paroi interne de la jupe 11 forme un cylindre sur une partie substantielle de sa hauteur. La surface extérieure de la jupe 11 présente au voisinage de son bord libre 12 un filetage 14 apte à coopérer avec un filetage correspondant 15 formé sur la surface interne de la jupe latérale 16 d'un capot amovible 17.The second volume 5 is formed of a side skirt 11 oriented opposite the first skirt 8, and a free edge 12 of which defines an opening 13. The wall internal of the skirt 11 forms a cylinder over a substantial part of its height. The outer surface of the skirt 11 has in the vicinity of its free edge 12 a thread 14 able to cooperate with a corresponding thread 15 formed on the surface internal side skirt 16 of a removable cover 17.

Le capot 17 comporte une jupe d'étanchéité 18 apte à s'appuyer de manière étanche contre la surface interne de la jupe 11 de manière à parfaire l'étanchéité réalisée à la fermeture du capot 17 par le filetage 15. Le capot forme également une cheminée axiale 19 dans laquelle est emmanché à force (ou collé) un applicateur 20. Dans ce mode de réalisation, l'applicateur 20 comprend une partie 21 à cellules fermées, destinée à venir en engagement à l'intérieur de la cheminée axiale 19, et dont le bord périphérique est apte à coulisser de manière étanche contre la surface intérieure de la jupe 11, de manière à former piston. L'applicateur 20 comprend également une portion 22 réalisée en un matériau en mousse à cellules ouvertes ou semi ouvertes, de manière à pomper le produit P contenu dans le volume 4. La portion 22 peut être collée sur la portion 21 ou être obtenue de moulage avec la portion 21. L'organe d'application 20 est dimensionné de telle sorte que, en position montée du capot 17, illustrée à la figure 1A, la portion 22 de l'organe d'application 20 soit au moins en partie, comprimée. La portion 22 de l'organe d'application 20 présente une surface d'application 23, située à l'opposé du piston 21, et qui, en position montée du capot 17, est en contact intime, voire en appui élastique sur le clapet 7.The cover 17 includes a sealing skirt 18 able to bear so watertight against the internal surface of the skirt 11 so as to perfect the seal when the cover 17 is closed by the thread 15. The cover also forms an axial chimney 19 in which is force-fitted (or glued) a applicator 20. In this embodiment, the applicator 20 comprises a part 21 with closed cells, intended to come into engagement inside the axial chimney 19, and the peripheral edge of which is capable of sliding so tight against the inner surface of the skirt 11, so as to form a piston. The applicator 20 also comprises a portion 22 made of a material made of open or semi-open cell foam, to pump product P contained in volume 4. The portion 22 can be glued to the portion 21 or be obtained by molding with the portion 21. The applicator member 20 is dimensioned so that, in the mounted position of the cover 17, illustrated in the FIG. 1A, the portion 22 of the applicator member 20 is at least in part, compressed. The portion 22 of the applicator member 20 has a surface 23, located opposite the piston 21, and which, in the mounted position of the cover 17, is in intimate contact, or even in elastic support on the valve 7.

La portion 21 à cellules fermées, est percée en son centre d'un canal 24 débouchant d'une part sur la portion 22 à cellules ouvertes de l'organe d'application 20, et d'autre part, en regard d'un orifice d'évent 25 prévu dans la paroi supérieure 26 du capot 17. L'orifice d'évent 25 est obturé par un clapet à ouverture unidirectionnelle 27, du même type que le clapet 7, et apte à s'ouvrir sur l'extérieur (voir position en pointillés), en réponse à une surpression à l'intérieur du second volume 5. Ainsi, le piston, à l'ouverture du capot 17, se déplace, en appui étanche contre la paroi interne de la jupe 11 entre une première position illustrée à la figure 1A (position fermée du capot) et une seconde position (voisine de la position de la figure 1B) dans laquelle l'étanchéité est rompue entre le piston et la jupe cylindrique 11.The portion 21 with closed cells, is pierced in its center with a channel 24 opening on the one hand on the open cell portion 22 of the organ application 20, and on the other hand, opposite a vent orifice 25 provided in the upper wall 26 of the cover 17. The vent orifice 25 is closed by a check valve unidirectional opening 27, of the same type as the valve 7, and capable of opening on outside (see dotted position), in response to overpressure inside the second volume 5. Thus, the piston, at the opening of the cover 17, moves, in support sealed against the internal wall of the skirt 11 between a first illustrated position in FIG. 1A (closed position of the cover) and a second position (close to the position of FIG. 1B) in which the seal is broken between the piston and the cylindrical skirt 11.

Pour utiliser le dispositif selon ce mode de réalisation, l'utilisatrice dévisse le capot 17, et le tire axialement de manière à extraire l'organe d'application 20 hors du volume 5. Ce faisant, la portion 21 de l'organe d'application 20 coulisse de manière étanche contre la surface interne de la jupe 11, générant ainsi une dépression à l'intérieur du volume 5. Sous l'effet de dépression à l'intérieur du volume 5, le clapet 7 se décolle de son siège (figure 1B), et laisse passer le produit P, lequel est aspiré à l'intérieur du volume 5. Le produit P est alors mis au contact de la surface d'application 23, et est pompé par le matériau poreux constituant la portion 22 de l'organe d'application 20. Le produit peut alors être appliqué, en amenant la surface d'application 23 de l'organe d'application 20 en engagement avec la surface à traiter. Lors de l'application, s'il est nécessaire de recharger l'organe d'application 20 en produit, il est possible de réintroduire l'organe d'application 20 dans le volume 5, sans avoir à revisser le capot 17 (en raison du surdimensionnement axial de l'organe d'application 20 par rapport à la hauteur axiale du volume 5) et de remettre la surface d'application 23 en contact avec l'excès de produit qui a pu rester au fond du volume 5.To use the device according to this embodiment, the user unscrews the cover 17, and pulls it axially so as to extract the applicator member 20 from the volume 5. In doing so, the portion 21 of the applicator member 20 slides from sealingly against the internal surface of the skirt 11, thereby generating a depression inside the volume 5. Under the effect of depression inside the volume 5, the valve 7 comes off from its seat (FIG. 1B), and lets the product P, which is sucked inside the volume 5. The product P is then placed in the contact of the application surface 23, and is pumped by the porous material constituting the portion 22 of the applicator member 20. The product can then be applied, bringing the application surface 23 of the application member 20 into engagement with the surface to be treated. During application, if it is necessary to reload the applicator member 20 with product, it is possible to reintroduce the applicator member 20 in the volume 5, without having to screw the cover 17 back (in reason for the axial oversizing of the applicator member 20 relative to the axial height of the volume 5) and to bring the application surface 23 back into contact with the excess product that may have remained at the bottom of volume 5.

Après utilisation, l'utilisatrice revisse le capot 17. L'air emprisonné dans le volume 5 sous l'organe d'application 20, est chassé hors du dispositif via les pores de la mousse à cellules ouvertes 21, via le canal 24, et via l'orifice 25, lorsque le clapet 27 se décolle du siège formé par la paroi 26 du capot. Le dispositif est alors prêt pour une nouvelle application. After use, the user screws the cover 17. The air trapped in the volume 5 under the applicator member 20, is expelled from the device via the pores of the open cell foam 21, via channel 24, and via orifice 25, when the valve 27 comes off the seat formed by the wall 26 of the cover. The device is then ready for a new application.

Dans le mode de réalisation de la figure 2, le produit P est contenu à l'intérieur d'une poche à parois souples 30, définissant le premier volume 4 et dont une extrémité ouverte 35 est montée, notamment par soudage, sur la surface extérieure 31 d'une pièce de montage 32 formant le corps du dispositif. La poche à parois souples 30 est disposée à l'intérieur d'une enceinte rigide 33 dont le fond comporte un orifice de reprise d'air 34. L'enceinte rigide 33 peut être montée par claquage sur la pièce de montage 32, par l'intermédiaire d'un bourrelet de claquage (non représenté).In the embodiment of FIG. 2, the product P is contained inside a pocket with flexible walls 30, defining the first volume 4 and one of which open end 35 is mounted, in particular by welding, on the surface exterior 31 of a mounting part 32 forming the body of the device. The pocket with flexible walls 30 is disposed inside a rigid enclosure 33 whose bottom has an air intake orifice 34. The rigid enclosure 33 can be mounted by snap on the mounting part 32, by means of a bead of breakdown (not shown).

La pièce de montage 32 forme, à l'opposé de la poche 30, une jupe 11 dont la surface intérieure délimite le second volume 5, lequel est cylindrique sur une partie substantielle de sa hauteur. Une extrémité de la jupe 11 est fermée par une paroi transversale 3, traversée par un orifice 6, obturé par un clapet 7 du même type que le clapet 7 du mode de réalisation des figures 1A-1C. Une portion inférieure 36 de la jupe 11 est en alignement avec l'enceinte extérieure 33. Une portion intermédiaire 37, de section extérieure, inférieure à la section de la partie inférieure 36, porte le filetage 14, apte à coopérer avec le filetage correspondant 15 du capot 17. Une portion supérieure 38 présente un bord libre, délimitant l'ouverture 13 pour le second volume 5. La portion supérieure 38 est de section inférieure à la section maximale de la portion intermédiaire 37 de manière à définir avec le capot 17 un espace annulaire 80.The mounting piece 32 forms, opposite the pocket 30, a skirt 11, the inner surface delimits the second volume 5, which is cylindrical on a substantial part of its height. One end of the skirt 11 is closed by a transverse wall 3, crossed by an orifice 6, closed by a valve 7 of the same type that the valve 7 of the embodiment of Figures 1A-1C. A portion lower 36 of the skirt 11 is in alignment with the outer enclosure 33. A intermediate portion 37, of external section, less than the section of the part lower 36, carries the thread 14, able to cooperate with the corresponding thread 15 of the cover 17. An upper portion 38 has a free edge, delimiting the opening 13 for the second volume 5. The upper portion 38 is of section less than the maximum section of the intermediate portion 37 so as to define with the cover 17 an annular space 80.

L'organe d'application 20 est formé d'un seul bloc d'une mousse à cellules ouvertes dont une portion est montée à l'intérieur de la jupe axiale 19 portée par le capot 17. L'applicateur est de préférence de taille telle, que, en position vissée du capot 17, l'organe d'application 20 soit au moins en partie comprimé à l'intérieur du volume 5, de sorte que la surface d'application 23 soit en appui élastique dans le fond du volume 5.The applicator member 20 is formed from a single block of cell foam. open, a portion of which is mounted inside the axial skirt 19 carried by the cover 17. The applicator is preferably of such size that, in the screwed position cover 17, the applicator member 20 is at least partially compressed at inside the volume 5, so that the application surface 23 is in abutment elastic at the bottom of volume 5.

La portion supérieure 38 de la jupe 11 porte sur sa surface extérieure une lèvre formant piston 39, se déplaçant dans l'espace annulaire 80. La lèvre est orientée de sorte que, en l'absence de surpression à l'intérieur du volume 5, son bord libre 40 soit en appui étanche contre une surface correspondante 41 de la jupe latérale 16 du capot 17. En cas de surpression à l'intérieur du volume 5, notamment à la fermeture du capot 17, le bord libre 40 de la lèvre 39 s'écarte de la surface 41 du capot, de manière à ne plus être en contact étanche sur ladite surface 41, et à permettre un échappement d'air, sous le bord libre de la jupe 16 du capot 17. A cet effet, la lèvre 39 est inclinée en direction du bord libre de la jupe latérale 16 du capot 17, et se termine par une portée cylindrique 40 apte à venir en appui étanche sur la surface cylindrique 41.The upper portion 38 of the skirt 11 carries on its outer surface a lip forming piston 39, moving in annular space 80. The lip is oriented so that, in the absence of overpressure inside the volume 5, its free edge 40 either in sealed support against a corresponding surface 41 of the side skirt 16 of the cover 17. In the event of an overpressure inside the volume 5, in particular at the closing of the cover 17, the free edge 40 of the lip 39 moves away from the surface 41 of the cover, so as to no longer be in sealed contact on said surface 41, and to allow air to escape under the free edge of the skirt 16 of the cover 17. A this effect, the lip 39 is inclined towards the free edge of the side skirt 16 of the cover 17, and ends with a cylindrical surface 40 capable of coming to bear waterproof on the cylindrical surface 41.

Lors de l'utilisation, le capot 17 est dévissé et tiré axialement de manière à extraire l'organe d'application 20 hors du volume 5. Ce faisant, le bord libre 40 de la lèvre 39 est en appui étanche sur la surface 41 du capot 17, provoquant ainsi une dépression à l'intérieur du volume 5. La dépression provoque l'ouverture du clapet 7 et l'aspiration du produit P à l'intérieur du volume 5 via l'orifice 6. Lors de sa décompression, l'organe d'application 20 pompe le produit P. Le produit est ensuite appliqué de la manière indiquée en référence au mode de réalisation des figures 1A-1C en mettant la surface d'application 23 de l'organe d'application 20 en engagement avec la surface à traiter. Après utilisation, à la fermeture du capot, l'air emprisonné dans le volume 5 est chassé vers l'extérieur, grâce au piston 39 dont le bord libre 40 se décolle de la surface 41 du capot.In use, the cover 17 is unscrewed and pulled axially so as to extract the applicator member 20 from the volume 5. In doing so, the free edge 40 of the lip 39 is in leaktight support on the surface 41 of the cover 17, thus causing a depression inside the volume 5. The depression causes the opening of the valve 7 and the suction of the product P inside the volume 5 via the orifice 6. When its decompression, the applicator member 20 pumps the product P. The product is then applied in the manner indicated with reference to the embodiment of the FIGS. 1A-1C by placing the application surface 23 of the application member 20 in engagement with the surface to be treated. After use, when the cover is closed, the air trapped in the volume 5 is expelled to the outside, thanks to the piston 39 whose free edge 40 comes off the surface 41 of the cover.

De la même manière que pour le mode de réalisation précédent, en cours d'utilisation, il est possible de réalimenter l'organe d'application en produit P, sans revisser le capot, grâce notamment au surdimensionnement axial de l'organe d'application 20 par rapport à la hauteur axiale du volume 5.In the same way as for the previous embodiment, in progress of use, it is possible to replenish the application member with product P, without screw the cover back on, thanks in particular to the axial oversizing of the member 20 relative to the axial height of the volume 5.

Le mode de réalisation de la figure 3 diffère du mode de réalisation des figures 1A-1C en ce que:

  • l'organe d'application 20 est formé d'un seul bloc de matériau en mousse à cellules ouvertes, notamment en polyuréthanne;
  • Le piston est formé par une lèvre 50, formée sur la surface extérieure de la cheminée axiale 19 du capot 17, et dont un bord libre 51 est apte à venir en engagement étanche avec la surface interne de la jupe 11 du corps rigide 2. La cheminée axiale 19 est formée en matériau élastomérique, et peut être surmoulée ou formée par bi-injection avec le capot 17, lequel est réalisé en polypropylène ou polyéthylène. Alternativement, la cheminée axiale 19 peut être accrochée mécaniquement, par collage, soudage, ou claquage sur le bouchon 17.
  • l'orifice 6 ménagé dans la paroi transversale 3, est obturé par un clapet 7 se refermant sur un siège central 52 formé par la paroi transversale 3;
  • le clapet d'évent 27 est de type à bille 53, montée dans l'orifice 25 du capot 17. L'air est acheminé depuis le volume 5 au travers des pores de l'organe d'application 20.
The embodiment of FIG. 3 differs from the embodiment of FIGS. 1A-1C in that:
  • the applicator member 20 is formed from a single block of open cell foam material, in particular polyurethane;
  • The piston is formed by a lip 50, formed on the external surface of the axial chimney 19 of the cover 17, and of which a free edge 51 is capable of coming into sealing engagement with the internal surface of the skirt 11 of the rigid body 2. The axial chimney 19 is formed of elastomeric material, and can be overmolded or formed by bi-injection with the cover 17, which is made of polypropylene or polyethylene. Alternatively, the axial chimney 19 can be hung mechanically, by gluing, welding, or snapping on the plug 17.
  • the orifice 6 formed in the transverse wall 3, is closed by a valve 7 closing on a central seat 52 formed by the transverse wall 3;
  • the vent valve 27 is of the ball type 53, mounted in the orifice 25 of the cover 17. The air is supplied from the volume 5 through the pores of the application member 20.

Le fonctionnement de l'ensemble selon ce mode de réalisation est identique au fonctionnement du mode de réalisation des figures 1A-1C.The operation of the assembly according to this embodiment is identical to the operation of the embodiment of FIGS. 1A-1C.

Le mode de réalisation de la figure 4 diffère du mode de réalisation précédent en ce que:

  • l'organe d'application 20 est constitué d'un matériau poreux rigide, sous forme d'un fritté de céramique;
  • la surface d'application 23 de l'organe d'application 20 est mise en appui élastique sur le fond du volume 5 via un élément compressible 60 réalisé en caoutchouc synthétique, et disposé entre le piston 50 et l'organe d'application 20;
  • Le clapet 27 obturant sélectivement l'orifice d'évent 25 est du même type que la clapet 7 séparant le premier volume 4 du second volume 5.
The embodiment of FIG. 4 differs from the previous embodiment in that:
  • the applicator member 20 is made of a rigid porous material, in the form of a ceramic frit;
  • the application surface 23 of the application member 20 is placed in elastic abutment on the bottom of the volume 5 via a compressible element 60 made of synthetic rubber, and disposed between the piston 50 and the application member 20;
  • The valve 27 selectively closing the vent orifice 25 is of the same type as the valve 7 separating the first volume 4 from the second volume 5.

Le fonctionnement du mode de réalisation de la figure 4 est identique au fonctionnement du mode de réalisation de la figure 3. En position montée du capot 17, la surface d'application 23 de l'organe d'application 20 est en appui élastique sur le fond du volume 5 grâce à la présence de l'élément compressible 60 qui, dans cette position, est au moins en partie, comprimé. A l'ouverture, l'élément compressible se décomprime progressivement, prolongeant ainsi la période de mise en communication de la surface d'application 23 avec le produit P sortant au travers de l'orifice 6. The operation of the embodiment of FIG. 4 is identical to the operation of the embodiment of FIG. 3. In the mounted position of the cover 17, the application surface 23 of the application member 20 is in abutment elastic on the bottom of volume 5 thanks to the presence of the compressible element 60 which, in this position, is at least partly compressed. At the opening, the compressible element gradually decompresses, thereby prolonging the period of bringing the application surface 23 into communication with the product P coming out through hole 6.

Dans le mode de réalisation des figures 5A-5B, la cheminée axiale 19 se termine par une collerette transversale 70 dont la position axiale est fixe. Adjacent à la collerette 70, se trouve une élément 71 en matériau élastomérique déformable par compression, et faisant sélectivement office de piston. L'élément 71 peut être sous forme d'un élément torique creux. L'élément 71 est disposé entre la collerette 70 et une seconde collerette 72, laquelle est reliée en son centre par une tige 73, mobile axialement, et reliée à une poignée 75 par l'intermédiaire d'une surface de came 74 dont la position par rapport à la surface 26 du capot 17 détermine la position axiale de la collerette 72, et, de ce fait, le degré de compression axiale de l'élément 71 formant piston.In the embodiment of FIGS. 5A-5B, the axial chimney 19 ends by a transverse flange 70 whose axial position is fixed. Adjacent to the flange 70, there is an element 71 of elastomeric material deformable by compression, and selectively acting as a piston. Element 71 can be in the form of a hollow toric element. Element 71 is arranged between the collar 70 and a second collar 72, which is connected in its center by a rod 73, axially movable, and connected to a handle 75 via a cam surface 74 whose position relative to the surface 26 of the cover 17 determines the axial position of the flange 72, and, therefore, the degree of axial compression of the element 71 forming the piston.

Dans la position de la figure 5A, l'élément compressible 71 n'est pas comprimé de manière sensible. Sa section extérieure est inférieure à la section interne du volume 5, de sorte que, en déplaçant axialement le capot 17, notamment à l'ouverture ou à la fermeture, le piston 71 ne puisse pas venir en appui étanche sur la surface interne du volume 5. Cette position correspond à une position "débrayée" du piston 71.In the position of FIG. 5A, the compressible element 71 is not compressed from sensitive way. Its external section is less than the internal section of the volume 5, so that, by axially moving the cover 17, in particular at opening or closing, the piston 71 cannot come into watertight support on the internal surface of volume 5. This position corresponds to a position "disengaged" from piston 71.

Dans la position de la figure 5B, l'élément compressible 71 est comprimé de manière sensible. Sa section extérieure est légèrement supérieure à la section interne du volume 5, de sorte que, en déplaçant axialement le capot 17, notamment à l'ouverture ou à la fermeture, le piston 71 se déplace en appui étanche sur la surface interne du volume 5. Cette position correspond à une position "embrayée" du piston 71. La différence de section du piston 71 entre la position débrayée et la position embrayée peut être de l'ordre de 1 à plusieurs millimètres.In the position of FIG. 5B, the compressible element 71 is compressed by sensitive way. Its outer section is slightly larger than the section internal of the volume 5, so that, by axially moving the cover 17, in particular on opening or closing, the piston 71 moves in abutment waterproof on the internal surface of volume 5. This position corresponds to a piston 71 position "engaged". The difference in cross section of piston 71 between the disengaged position and the engaged position can be of the order of 1 to several millimeters.

Un organe d'application 20 est fixé sur la surface de la collerette 72, opposée au piston 71. L'organe d'application 20 peut être constitué d'un élément compressible, notamment d'une mousse à cellules ouvertes, ou d'un élément rigide, notamment d'un fritté. Dans ce dernier cas, la mise en appui élastique de la surface d'application 23 sur l'orifice 6 ménagé dans la paroi 3 se fait essentiellement par la présence du piston compressible 71. Un dispositif à clapet (non représenté) peut faire office d'évent lors de la fermeture du capot 17 en position embrayée du piston 71. Alternativement, il est possible de prévoir que la fermeture ne puisse s'effectuer qu'en position débrayée du piston 71, permettant ainsi de se dispenser d'un tel clapet.An applicator member 20 is fixed on the surface of the collar 72, opposite to the piston 71. The applicator member 20 may consist of an element compressible, in particular of an open-cell foam, or of an element rigid, especially a sintered. In the latter case, the elastic bearing of the application surface 23 on the orifice 6 formed in the wall 3 is made essentially by the presence of the compressible piston 71. A valve device (not shown) can act as a vent when the cover 17 is closed by engaged position of the piston 71. Alternatively, it is possible to provide that the closing can only be carried out in the disengaged position of the piston 71, allowing thus to dispense with such a valve.

Ainsi, en vue d'une utilisation, l'utilisatrice positionne le piston 71 dans la position de la figure 5B. En dévissant le capot 17, et en le tirant axialement, l'élément 71 fait office de piston, générant ainsi une dépression à l'intérieur du volume 5, et le pompage d'une dose de produit P par la surface d'application 23 de l'organe d'application 20. L'application sur la surface à traiter se fait de la même que pour les autres modes de réalisation. Si en cours d'utilisation, il est nécessaire de recharger la surface d'application, et s'il reste dans le fond du volume 5 suffisamment de produit en excès, alors l'utilisatrice débraye le piston 71 en le positionnant dans la position de la figure 5A. Elle replonge l'organe d'application dans le volume 5, de manière à remettre la surface d'application 23 en contact avec le produit se trouvant dans le fond du volume 5. A l'inverse, s'il ne reste plus de produit dans le fond du volume 5, elle laisse le piston dans la position de la figure 5B, et procède au pompage d'une nouvelle dose de la manière indiquée précédemment.Thus, for use, the user positions the piston 71 in the position of Figure 5B. By unscrewing the cover 17, and pulling it axially, the element 71 acts as a piston, thus generating a vacuum inside the volume 5, and the pumping a dose of product P through the application surface 23 of the organ 20. The application to the surface to be treated is the same as for the other embodiments. If in use, it is necessary to reload the application surface, and if it remains in the bottom of volume 5 enough excess product, then the user disengages the piston 71 by positioning in the position of FIG. 5A. It replenishes the application organ in volume 5, so as to bring the application surface 23 back into contact with the product at the bottom of volume 5. Conversely, if there are no more of product in the bottom of volume 5, it leaves the piston in the position of Figure 5B, and proceeds to pump a new dose as shown previously.

A la fermeture du dispositif en vue de son stockage, l'utilisatrice débraye le piston, et revisse le capot 17 sur l'ensemble 1.When the device is closed for storage, the user disengages the piston, and screw the cover 17 back onto the assembly 1.

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.In the foregoing detailed description, reference has been made to modes of preferred embodiments of the invention. Obviously there may be variations made without departing from the spirit of the invention as claimed below.

Claims (28)

Ensemble (1) de conditionnement et d'application d'un produit (P), notamment cosmétique, comprenant un réservoir (30, 8) pour ledit produit et définissant un premier volume (4), diminuant en réponse à une dépression à l'intérieur du réservoir (30, 8), ledit réservoir présentant au moins un orifice de sortie (6) obturé par une première valve à ouverture unidirectionnelle (7), s'ouvrant sélectivement en direction d'un second volume (5), destiné à recevoir de manière amovible, un organe d'application (20), formé au moins en partie, d'un élément poreux (20, 22), apte à absorber ledit produit, ledit second volume (5) étant fermé de manière étanche par un capot (17), monté de manière réversible sur ledit ensemble, un piston (21, 39, 50, 71) étant prévu pour, notamment à l'ouverture du capot (17), provoquer une dépression à l'intérieur du second volume (5) et provoquer l'ouverture de ladite première valve (7), et le pompage d'une dose dudit produit par ledit organe d'application (20), via ledit orifice de sortie (6).Assembly (1) for packaging and applying a product (P), in particular cosmetic, comprising a reservoir (30, 8) for said product and defining a first volume (4), decreasing in response to a depression inside the reservoir (30, 8), said reservoir having at least one closed outlet orifice (6) by a first valve with unidirectional opening (7), opening selectively towards a second volume (5), intended to receive removably, a applicator member (20), formed at least in part, of a porous element (20, 22), able to absorb said product, said second volume (5) being closed so sealed by a cover (17), reversibly mounted on said assembly, a piston (21, 39, 50, 71) being provided for, in particular at the opening of the cover (17), cause a depression inside the second volume (5) and cause the opening of said first valve (7), and the pumping of a dose of said product by said applicator member (20), via said outlet orifice (6). Ensemble selon la revendication 1 caractérisé en ce que ledit organe d'application (20) est solidaire du capot, ledit piston (21, 39, 50, 71) générant ladite dépression en passant d'une première position à une seconde position, lors de l'ouverture du capot (17).An assembly according to claim 1 characterized in that said member application (20) is integral with the cover, said piston (21, 39, 50, 71) generating said depression passing from a first position to a second position, during of the hood opening (17). Ensemble selon la revendication 1 ou 2 caractérisé en ce que des moyens (27, 39, 53) sont prévus pour, en réponse à une surpression à l'intérieur du second volume (5), notamment à la fermeture du capot (17), mettre le second volume (5) à la pression atmosphérique.Assembly according to claim 1 or 2 characterized in that means (27, 39, 53) are provided for in response to overpressure inside the second volume (5), in particular when the cover (17) is closed, put the second volume (5) at atmospheric pressure. Ensemble selon la revendication 3 caractérisé en ce que lesdits moyens sont formés d'une seconde valve à ouverture unidirectionnelle, notamment d'un clapet (27) ou d'une bille (53). An assembly according to claim 3 characterized in that said means are formed of a second valve with unidirectional opening, in particular of a valve (27) or a ball (53). Ensemble selon l'une quelconque des revendications 1 à 4 caractérisé en ce que ledit second volume (5) forme sur au moins une partie de sa hauteur, un cylindre dans lequel coulisse le piston (21, 50, 71).Assembly according to any one of Claims 1 to 4, characterized in that that said second volume (5) forms over at least part of its height, a cylinder in which the piston slides (21, 50, 71). Ensemble selon la revendication 5 caractérisé en ce que ledit piston est formé par une portion non poreuse (21) dudit organe d'application (20).Assembly according to Claim 5, characterized in that the said piston is formed by a non-porous portion (21) of said applicator member (20). Ensemble selon la revendication 5 caractérisé en ce que le piston (39, 50, 71) est formé d'un élément distinct de l'organe d'application, ledit piston étant solidaire de l'organe d'application, et disposé du côté de l'organe d'application (20) opposé à l'orifice de sortie (6).Assembly according to Claim 5, characterized in that the piston (39, 50, 71) is formed from a separate element from the applicator member, said piston being integral of the applicator member, and disposed on the opposite side of the applicator member (20) at the outlet (6). Ensemble selon l'une quelconque des revendications 5 à 7 caractérisé en ce que le piston (21) est traversé par au moins un passage (24) apte à permettre la mise à la pression atmosphérique dudit second volume (5).Assembly according to any one of Claims 5 to 7, characterized in that that the piston (21) is crossed by at least one passage (24) capable of allowing the placing said second volume (5) at atmospheric pressure. Ensemble selon l'une quelconque des revendications 1 à 4 caractérisé en ce qu'un espace annulaire (80) est formé entre le second volume (5) et le capot, ledit espace annulaire (80) étant en communication avec le second volume (5), ledit piston (39) étant disposé dans ledit espace annulaire (80).Assembly according to any one of Claims 1 to 4, characterized in that an annular space (80) is formed between the second volume (5) and the cover, said annular space (80) being in communication with the second volume (5), said piston (39) being disposed in said annular space (80). Ensemble selon la revendication 9 caractérisé en ce que le piston (39) est solidaire d'un élément (38) délimitant au moins en partie ledit second volume, et forme une lèvre (40), apte, lors de l'ouverture du capot, à coulisser de manière étanche contre une surface interne (41) d'une jupe latérale (16) formée par ledit capot (17).Assembly according to claim 9, characterized in that the piston (39) is secured to an element (38) delimiting at least partially said second volume, and forms a lip (40), capable, when opening the cover, of sliding so sealed against an internal surface (41) of a side skirt (16) formed by said cover (17). Ensemble selon la revendication 10 caractérisé en ce que le piston (39) est orienté de manière à, en présence d'une dépression à l'intérieur du second volume (5), être en appui étanche contre ladite surface intérieure, et, en présence d'une surpression à l'intérieur du second volume (5), ne pas être en appui étanche contre ladite surface intérieure, permettant ainsi la mise à la pression atmosphérique dudit second volume (5).Assembly according to Claim 10, characterized in that the piston (39) is oriented so that, in the presence of a depression inside the second volume (5), be in leaktight support against said interior surface, and, in the presence overpressure inside the second volume (5), not being in leaktight support against said interior surface, thereby allowing pressure to be applied atmospheric of said second volume (5). Ensemble selon l'une quelconque des revendications précédentes caractérisé en ce que l'organe d'application a une capacité d'absorption supérieure ou égale au volume de la dose pompée dans le réservoir en réponse à la dépression générée par le piston.An assembly according to any one of the preceding claims characterized in that the applicator member has an absorption capacity greater than or equal to the volume of the dose pumped into the reservoir in response to the vacuum generated by the piston. Ensemble selon l'une quelconque des revendications 2 à 11 caractérisé en ce que le piston (71) est débrayable, de manière à, en position "débrayée", ne pas générer de dépression à l'intérieur du second volume (5) en réponse audit déplacement entre lesdites première et seconde positions, des moyens (74, 75) accessibles depuis l'extérieur, permettant de, sélectivement, faire passer le piston (71) de la position "débrayée" à la position "embrayée" et réciproquement.Assembly according to any one of Claims 2 to 11, characterized in that the piston (71) is disengageable, so that, in the "disengaged" position, does not generate depression inside the second volume (5) in response to said displacement between said first and second positions, means (74, 75) accessible from the outside, allowing to selectively pass the piston (71) from the "disengaged" position to the "engaged" position and vice versa. Ensemble selon l'une quelconque des revendications précédentes caractérisé en ce qu'il est formé d'un corps rigide (2, 32) comportant une paroi transversale (3) percée dudit (ou desdits) orifice(s) de sortie (6) , ledit second volume (5) étant formé d'une première portion de jupe (11) dudit corps (2, 32) dont un bord libre (12) délimite une première ouverture (13).An assembly according to any one of the preceding claims characterized in that it is formed of a rigid body (2, 32) having a wall transverse (3) pierced with said outlet (s) (6), said second volume (5) being formed of a first skirt portion (11) of said body (2, 32) including a free edge (12) defining a first opening (13). Ensemble selon la revendication 14 caractérisé en ce que le bord libre (12) comporte un filetage (14) apte à coopérer avec un filetage correspondant (15) du capot amovible (17).Assembly according to Claim 14, characterized in that the free edge (12) comprises a thread (14) capable of cooperating with a corresponding thread (15) of the removable cover (17). Ensemble selon l'une quelconque des revendications 9 à 13, et 14 ou 15 caractérisé en ce que ledit piston (39) est disposé à l'extérieur de ladite première portion de jupe (11) et est solidaire de ladite première portion de jupe.An assembly according to any one of claims 9 to 13, and 14 or 15 characterized in that said piston (39) is disposed outside of said first skirt portion (11) and is integral with said first skirt portion. Ensemble selon l'une quelconque des revendications 14 à 16 précédentes caractérisé en ce que le réservoir (30, 8) délimitant le premier volume (4), est disposé du côté de la paroi transversale (3) opposé à ladite première portion de jupe (11).Assembly according to any one of the preceding claims 14 to 16 characterized in that the reservoir (30, 8) delimiting the first volume (4), is disposed on the side of the transverse wall (3) opposite said first portion of skirt (11). Ensemble selon la revendication 17 caractérisé en ce que le réservoir est formé d'une seconde portion de jupe (8) formée par ledit corps (2), et présentant un bord libre (9) situé à l'opposé du bord libre (12) de la première portion de jupe (11).Assembly according to Claim 17, characterized in that the reservoir is formed of a second skirt portion (8) formed by said body (2), and having a free edge (9) located opposite the free edge (12) of the first skirt portion (11). Ensemble selon la revendication 18 caractérisé en ce qu'un piston suiveur (10) est monté coulissant à l'intérieur de ladite seconde portion de jupe (8).Assembly according to Claim 18, characterized in that a follower piston (10) is slidably mounted inside said second skirt portion (8). Ensemble selon la revendication 18 caractérisé en ce que ledit bord libre (9) délimite une ouverture obturée par une membrane déformable, notamment élastiquement.An assembly according to claim 18 characterized in that said free edge (9) delimits an opening closed by a deformable membrane, in particular elastically. Ensemble selon la revendication 17 caractérisé en ce que le réservoir est formé d'une poche souple (30) à parois rétractables montée sur ledit corps rigide (32).Assembly according to Claim 17, characterized in that the reservoir is formed of a flexible pocket (30) with retractable walls mounted on said rigid body (32). Ensemble selon la revendication 21 caractérisé en ce que ladite poche (30) est disposée à l'intérieur d'une enceinte rigide ou semi rigide (33), des moyens (34) permettant une reprise d'air à l'intérieur de l'espace délimité entre l'enceinte rigide ou semi rigide (33) et la poche souple (30).An assembly according to claim 21 characterized in that said pocket (30) is arranged inside a rigid or semi-rigid enclosure (33), means (34) allowing air to be taken up inside the space delimited between the enclosure rigid or semi-rigid (33) and the flexible pocket (30). Ensemble selon l'une quelconque des revendications précédentes caractérisé en ce que l'organe d'application (20) est constitué d'au moins un bloc (20, 22) d'une mousse à cellules ouvertes ou semi-ouvertes ou d'un fritté.An assembly according to any one of the preceding claims characterized in that the application member (20) consists of at least one block (20, 22) of an open or semi-open cell foam or a frit. Ensemble selon la revendication 23 caractérisé en ce que l'organe d'application (20) est constitué d'une mousse de polyéther, de polyester, de polyuréthanne, de NBR (Natural Butadiene Rubber), de SBR (Synthetic Butadiene Rubber) de PVC (Chlorure de polyvinyle) de latex, de silicone, ou d'un fritté de plastique, notamment de polyéthylène ou de Nylon, d'un fritté de métal, notamment de bronze, ou d'un fritté de verre.An assembly according to claim 23 characterized in that the member application (20) consists of a polyether foam, polyester, polyurethane, NBR (Natural Butadiene Rubber), SBR (Synthetic Butadiene Rubber) of PVC (polyvinyl chloride) of latex, silicone, or a sintered plastic, in particular polyethylene or nylon, of a sintered metal, especially bronze, or a glass frit. Ensemble selon l'une quelconque des revendications précédentes caractérisé en ce que, en position montée du capot (17), l'organe d'application (21) est en appui élastique sur ledit (ou lesdits) orifice(s) de sortie (6).An assembly according to any one of the preceding claims characterized in that, in the mounted position of the cover (17), the applicator member (21) is in elastic abutment on said outlet (s) (6). Ensemble selon la revendication 25 caractérisé en ce que l'organe d'application (20) est en matériau non compressible de manière sensible, un élément compressible élastiquement (60) étant disposé entre l'organe d'application (20) et le piston (50).Assembly according to claim 25 characterized in that the member application (20) is made of a material which is not significantly compressible, a elastically compressible element (60) being disposed between the member application (20) and the piston (50). Ensemble selon l'une quelconque des revendications 1 à 26 caractérisé en ce que ladite première valve (7) est constituée notamment d'un clapet (7) ou d'une bille.Assembly according to any one of Claims 1 to 26, characterized in that said first valve (7) consists in particular of a valve (7) or of a ball. Utilisation d'un ensemble de conditionnement et d'application (1) selon l'une quelconque des revendications 1 à 27 pour le conditionnement et l'application d'un produit cosmétique (P), notamment sous forme d'un liquide d'un gel ou d'une crème.Use of a packaging and application unit (1) according to one any of claims 1 to 27 for packaging and application a cosmetic product (P), in particular in the form of a liquid, a gel or a cream.
EP00400032A 1999-02-16 2000-01-07 Liquid containing and dispensing package with applicator Expired - Lifetime EP1029799B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9901868 1999-02-16
FR9901868A FR2789660B1 (en) 1999-02-16 1999-02-16 SELF-SUPPLIED PACKAGING AND APPLICATION ASSEMBLY

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EP1029799B1 EP1029799B1 (en) 2003-01-02

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EP (1) EP1029799B1 (en)
JP (1) JP3338685B2 (en)
CN (1) CN1106996C (en)
AR (1) AR020025A1 (en)
AT (1) ATE230373T1 (en)
BR (1) BR0000620B1 (en)
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EP0312488A2 (en) 1987-10-14 1989-04-19 FORMA-PLUS Bauelemente GmbH Method and device to restore a staircase
EP0743263A1 (en) 1995-05-17 1996-11-20 L'oreal Packaging and dispensing device for liquid or viscous products

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2816181A1 (en) * 2000-11-07 2002-05-10 Oreal CONTAINER HAVING A DIVER TUBE AND AN APPLICATION ELEMENT
EP1205400A1 (en) * 2000-11-07 2002-05-15 L'oreal Container provided with a dip tube and an applicator
US6942412B2 (en) 2000-11-07 2005-09-13 L'oréal Product application device including a dip tube
US7066674B2 (en) 2000-11-07 2006-06-27 L'oreal, S.A. Application device, system, and method
WO2006049283A1 (en) 2004-11-08 2006-05-11 Mitsubishi Pencil Co., Ltd. Liquid applicator
EP1810712A1 (en) * 2004-11-08 2007-07-25 Mitsubishi Pencil Co., Ltd. Liquid applicator
EP1810712A4 (en) * 2004-11-08 2009-11-04 Mitsubishi Pencil Co Liquid applicator
US7980778B2 (en) 2004-11-08 2011-07-19 Mitsubishi Pencil Co., Ltd. Liquid applicator
FR3004086A1 (en) * 2013-04-08 2014-10-10 Oreal HEAD FOR DISTRIBUTION AND CONTAINER FOR STORAGE AND DISTRIBUTION OF A COSMETIC PRODUCT, METHOD FOR ASSEMBLING THE SAME
WO2016076406A1 (en) * 2014-11-10 2016-05-19 L'oreal Cap with applicator and packaging equipped with same
US10405635B2 (en) 2014-11-10 2019-09-10 L'oreal Cap with applicator and packaging equipped with same

Also Published As

Publication number Publication date
JP3338685B2 (en) 2002-10-28
CN1270131A (en) 2000-10-18
BR0000620A (en) 2000-09-05
FR2789660A1 (en) 2000-08-18
US6305863B1 (en) 2001-10-23
JP2000245529A (en) 2000-09-12
ES2189727T3 (en) 2003-07-16
ATE230373T1 (en) 2003-01-15
DE60001079D1 (en) 2003-02-06
DE60001079T2 (en) 2009-10-01
CN1106996C (en) 2003-04-30
FR2789660B1 (en) 2001-05-04
CA2298175C (en) 2004-10-26
EP1029799B1 (en) 2003-01-02
CA2298175A1 (en) 2000-08-16
AR020025A1 (en) 2002-03-27
BR0000620B1 (en) 2008-11-18

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