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EP1094976B1 - Assembly for spontaneously contacting at least two elements and use thereof - Google Patents

Assembly for spontaneously contacting at least two elements and use thereof Download PDF

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Publication number
EP1094976B1
EP1094976B1 EP00925384A EP00925384A EP1094976B1 EP 1094976 B1 EP1094976 B1 EP 1094976B1 EP 00925384 A EP00925384 A EP 00925384A EP 00925384 A EP00925384 A EP 00925384A EP 1094976 B1 EP1094976 B1 EP 1094976B1
Authority
EP
European Patent Office
Prior art keywords
container
sachet
unit according
absorbent structure
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00925384A
Other languages
German (de)
French (fr)
Other versions
EP1094976A1 (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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP1094976A1 publication Critical patent/EP1094976A1/en
Application granted granted Critical
Publication of EP1094976B1 publication Critical patent/EP1094976B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3261—Flexible containers having several compartments
    • B65D81/3272—Flexible containers having several compartments formed by arranging one flexible container within another

Definitions

  • the invention relates to an assembly according to the preamble of claim 1, in particular for cosmetic treatment, comprising at least two elements to be brought into contact with each other, before application on a support, as well as the use of such a set for applying the product obtained from said elements, on said support, by example on the skin, or on the hair.
  • the assembly covered by the present invention is of the type comprising a container flexible exterior, in particular in the form of an exterior bag with flexible walls forming a receptacle for said elements. More specifically, at least one of said elements is an inner bag with a frangible wall, in which is packaged a liquid product to be stored away from ambient air and / or on the other (other) element (s). At least one of the other elements arranged in the tank consists of an absorbent structure. If applicable, the tank may contain, in addition, a powder or a paste, or another liquid.
  • the assembly according to the invention is designed for the application of a product resulting from contacting " in situ " from several starting elements packaged separately.
  • the resulting product can be a mask or a wipe impregnated with at least one product, in particular a liquid. More specifically, it may be an absorbent structure, for example of the wipe, woven, nonwoven gauze, foam type, impregnated or not with a cosmetically or dermo-pharmaceutically active agent.
  • the assembly covered by the invention can be used, in particular, in the context of a treatment to prevent or treat the signs of aging skin, such as wrinkles and fine lines, signs of fatigue, especially those of the face, neck or cleavage, or to perform a slimming treatment of certain body areas.
  • a treatment to prevent or treat the signs of aging skin, such as wrinkles and fine lines, signs of fatigue, especially those of the face, neck or cleavage, or to perform a slimming treatment of certain body areas.
  • a set can be used for weight loss treatment hips, thighs, stomach, breast firming treatment, treatment of cellulite and adiposity, or simply to cleanse the skin.
  • the areas of the face targeted by the invention may be the wrinkles around the edges of the eyes, such as crow's feet from the outer corner of the eyes, dark circles and bags under the eyes, wrinkles or fine lines on the corners of the lips, etc.
  • Such a set can also be used for hair dyeing by oxidation or to the treatment of permanent waving of the hair.
  • This kind of products is usually made up of at least two liquid components, to keep separately and mix just before use, and fix on a support absorbent during use.
  • WO 94/03 369 discloses a packaging assembly having a flexible outer container in which two elements: a foam dental applicator and an internal sachet filled with liquid.
  • the outer container consists of two sheets superimposed thermoplastics, the edges of a first sheet being welded, of tightly, on the corresponding edges of the second sheet.
  • the bag internal is made of a material provided with a pre-weakened area, bursting under the action of pressure exerted via the walls of the outer container.
  • One of the edges of the inner bag is sandwiched and sealed between two edges of the container outside, so as to immobilize the sachet in the container.
  • this assembly has the disadvantage that the pre-weakened area of the pouch constitutes a risk of permeability for certain substances, which may cause early contact or deactivation of another component, present in the container. This is the case, especially when the substance in the pouch has a strong oxidizing or reducing power, likely to degrade the other component.
  • this pre-weakened area is difficult to control, so as to ensure its rupture at a determined pressure on the cover.
  • the strength of compression required for opening may vary from pocket to pocket.
  • Document US-A-3 638 786 describes a packaging allowing, by reaction exothermic of several suitable liquid components, to produce a hot foam.
  • This packaging includes a first outer sachet, of flexible structure and containing a first liquid.
  • the second sachet is frangible so as to bring the two into contact liquids, in order to obtain a foaming mixture, to be applied on a support after opening of the first sachet.
  • document WO-A-96/28262 which is the closest prior art, describes a cleaning assembly comprising an external receptacle separately containing a multitude of cleaning towels and a liquid to soak the towels.
  • the liquid is packaged in a pocket formed by a sheet and an internal face of the wall from the outer receptacle. Said sheet is arranged fixed opposite the towels. It includes opening means to cause the liquid to flow over towels. This set is for use limited to viscosity liquids low.
  • the impregnation of the towels, at least initially, is inhomogeneous.
  • One of the objects of the present invention therefore consists in providing a set of processing, allowing the reliable storage of at least one absorbent element and at least one element, preferably liquid, and allow their contacting away from the ambient air.
  • the invention relates, in particular, to a homogeneous impregnation of the absorbent element with the liquid, regardless of or the consistency of the latter.
  • Another problem which the present invention seeks to solve is that of being able place one or more sachets inside the container, regardless of the nature of the material constituting them.
  • the sachets covered by the invention must present, in particular, a perfect seal vis-à-vis the product they contain, during transport and during the storage period.
  • the subject of the present invention is an assembly for packaging at least at least one absorbent structure, according to claim 1, in particular of a wipe, a patch or a mask, and intended to be impregnated with a liquid composition of which at least a component, preferably liquid, is packaged separately from said absorbent structure, said absorbent structure being intended after impregnation with said liquid composition, to be applied to a support, in particular the skin or the hair, said assembly comprising a container for flexible walls containing said absorbent structure, and at least one sachet containing said component, said sachet being able to open in response to a pressure exerted on said sachet via the flexible walls of the container, so to cause the impregnation of said absorbent structure by said composition liquid containing said component, said sachet and said absorbent structure being free inside the container, said container being designed so as to be able to be opened to extract the absorbent structure so impregnated in view of its application on said support.
  • an absorbent structure means a structure able to soak up according to an absorption mechanism such as pumping especially capillary in pores or micro-pores that form the structure absorbent.
  • the volume of liquid composition is sufficient to completely saturate said absorbent structure.
  • Such an absorbent structure can be pre-impregnated with one or more active ingredients, then optionally dehydrated.
  • the absorbent structure before being brought into contact with the components contained separately in the sachet, the absorbent structure can be in direct contact with one or more components, liquid or not, and forming part of the liquid composition to be applied to the support.
  • the external container with flexible walls must be strong enough not to open under the effect of the pressure to be exerted on its walls to cause the opening of the bag (s) it contains.
  • said container and the bag are closed according to at least a sealed edge, the pressure resistance of the sealed edge of the container being significantly higher than the pressure resistance of the sealed edge of the bag (s).
  • the contacting of said elements inside the container takes place by rupture of at least one edge of the bag, in response to the pressure exerted on the bag via the flexible walls of the container.
  • the or the sachets consist of at least one sheet, the edges are welded or glued.
  • a bag is formed of a single sheet, the latter is folded back on itself, and the edges, facing one of the other, are sealed.
  • a sheet may consist of a layer of suitable material, for example thermoplastic, or formed by a sheet multi-layered complex. The nature of the material forming such a bag can be variable, depending on the nature of the product it contains.
  • the or the bags are formed by two superimposed sheets, by rectangular examples, sealed together around their entire periphery.
  • the bag (s) is (are) produced from a film thermoplastic, at least one of the sealing edges being able to open, in response to said pressure exerted via the flexible walls of the container.
  • the width of one of the sealing edges may be less than the width of the sealing of the other edges.
  • the container has a detachable portion allowing it to be opened and allowing said absorbent structure to be removed, impregnated with one or more liquid components.
  • the container has an opening, reversibly closed, with a self-adhesive label that the user remove to open the container, and reposition after use, to close the recipient.
  • the external container can be produced from at least one sheet made up of at least one thermoplastic layer.
  • the sheet is produced in a multilayer complex, for example of the thermoplastic / metal / thermoplastic or polyethylene terephthalate / polyethylene / ceramic / polyethylene (PET / PE / SiO x / PE) type.
  • PET / PE / SiO x / PE thermoplastic / metal / thermoplastic or polyethylene terephthalate / polyethylene / ceramic / polyethylene
  • the production of this container can be carried out in a similar manner to the production of the sachet, by heat-sealing the edges.
  • the sheet can be transparent or translucent, allowing the elements packaged in the container to be viewed.
  • the external container comprises a body the dimension of which is clearly greater than the dimension of the bag (s) it contains. It has, advantageously, a flexibility such that, after opening of the bag (s), manual mixing of the product from the sachet with absorbent structure, can be made by the user. this is important, when the product (s) initially contained in the sachet (s) has a high viscosity.
  • such an absorbent structure consists of at least one layer formed from natural or synthetic fibers, woven or non-woven, or from cell foam open or semi-open or felt.
  • this layer has a relatively small thickness, for example a thickness ranging from about 0.1 mm to about 3 mm.
  • this layer of woven or non-woven material is formed by natural or synthetic fibers, such as cotton fibers, rayon fibers, viscose, cotton or their mixture with polypropylene fibers or polyester. In this way, one can adjust their liquid absorption power and / or their mechanical strength.
  • the absorbent structure is cut in shape, in depending on the configuration of the medium to be treated.
  • the bag can be folded so as to define at least two flaps between which is disposed said absorbent structure.
  • This arrangement promotes the ease of opening the sachet in response to compression, as well as impregnation of the structure absorbent.
  • the flaps of the bag can delimit two separate compartments, able to open in response to said pressure. In this case, each compartment may contain the same active ingredient with the same or different concentration, or two different assets.
  • At least one of the faces of the sachet can be in contact with a element, preferably rigid, capable of promoting the opening of the bag (s), in response to said pressure.
  • the sachet (s) can (be) placed between two portions of a rigid or semi-rigid element, in particular in the form of a clamp.
  • the portions of said element are deformable, in particular elastically, by so as to be able to be brought together, and to be able to provoke the opening of the bag they enclose.
  • the absorbent structure can be impregnated with at least a cosmetically or dermo-pharmaceutically active agent, chosen from thickeners, gelling agents, surfactants, physiologically solvents compatible, water, mono- or polyalcohols; oils, pH regulators, emulsifiers; dry extracts of biological origin; collagens and their derivatives, optionally lyophilized; agents stimulating the micro-circulation of the blood in the dermis or angiogenesis, wrinkle tightening agents or vegetable proteins.
  • a cosmetically or dermo-pharmaceutically active agent chosen from thickeners, gelling agents, surfactants, physiologically solvents compatible, water, mono- or polyalcohols; oils, pH regulators, emulsifiers; dry extracts of biological origin; collagens and their derivatives, optionally lyophilized; agents stimulating the micro-circulation of the blood in the dermis or angiogenesis, wrinkle tightening agents or vegetable proteins.
  • This active agent can be prepreg on the absorbent structure or be arranged around
  • the component contained in the sachet is a liquid containing at least one cosmetically or dermo-pharmaceutically active agent, chosen among the vitamins, slimming or catabolic agents of fats, enzymes, moisturizers, anti-aging agents, anti-wrinkle agents, UV filters, etc., and more particularly chosen from vitamin C, vitamin A, vitamin E or their derivatives, alpha- and beta-hydroxy acids or their derivatives, citric acid or its derivatives, essential oils, caffeine, kojic acid, hydroquinone, esters of nicotinic acid, beta-carotene, urea, glycerin, propylene glycol, etc.
  • active agent chosen among the vitamins, slimming or catabolic agents of fats, enzymes, moisturizers, anti-aging agents, anti-wrinkle agents, UV filters, etc., and more particularly chosen from vitamin C, vitamin A, vitamin E or their derivatives, alpha- and beta-hydroxy acids or their derivatives, citric acid or its derivatives, essential oils, caffeine
  • the container may contain, in addition to the absorbent structure, color precursors, the sachet may contain a liquid oxidant.
  • the sachet may contain a liquid reducing agent, such as as thioglycolic acid or its derivatives, the container containing a plurality of wipes to be impregnated with the reducer.
  • a liquid reducing agent such as as thioglycolic acid or its derivatives
  • the container containing a plurality of wipes to be impregnated with the reducer.
  • Such impregnated wipes are intended to be placed around a curler, before winding a lock of hair on this one.
  • the flexible container can contain several sachets each containing a liquid component of the same nature or nature different.
  • the user can choose, itself, the concentration of active by causing the opening of a number suitable of sachets. This can be done from the start, during the first use, or gradually during use, for example for increase the concentration of active during a treatment cycle. In this last case, a plurality of wipes is disposed in the container.
  • sachets When several sachets contain components of a different nature and incompatible with each other, the mixture of these components, obtained by kneading of the external container by the user, can be brought into contact with the structure absorbent.
  • a mask can be impregnated, at the same time, with a vitamin and a moisturizing active ingredient, which would neutralize in the long term, if they were packaged together in the same volume.
  • the processing unit which has just been described can be used for the application of a product resulting from the contacting of several elements of the kind of those mentioned above, in particular for the treatment of human skin and her appendages.
  • this treatment set can be used for the treatment of signs of aging skin, cellulite, adiposity, ailments skin, scalp, mucous membranes or nails,
  • the assembly 1 comprises an external container 2, in the form of a flexible sachet.
  • the outer container 2 is formed by two flexible sheets 3a, 3b superimposed, substantially rectangular in shape. These sheets are sealed on along their respective edges 2a - 2d, for example by heat sealing, of so as to form a sealed bag.
  • the sheets 3a and 3b are flexible, and each consisting of a layer thermoplastic, or a complex with several thermoplastic layers, comprising, where appropriate, a metallic layer, such as an aluminum film.
  • a layer thermoplastic or a complex with several thermoplastic layers, comprising, where appropriate, a metallic layer, such as an aluminum film.
  • the choice of these sheets depends on the chemical nature of the elements placed in said container.
  • the element A consists of a wipe absorbent in a woven or non-woven material.
  • Wipe A is suitable for impregnated with a more or less viscous liquid.
  • Wipe A can be pre-impregnated, in addition, a cosmetic or dermatological active ingredient or an excipient cosmetically or dermo-pharmaceutically acceptable.
  • Element B is liquid and packaged in a bag 4, which bag is placed freely in the container 2.
  • the sachet 4, of dimension considerably smaller than the dimension of the outer container 2, is formed of two flexible sheets, deformable, the sealing of which is ensured by sealing the edges 4a-4d. These sheets are made of a mono- or multi-layer material, chosen according to of the nature of liquid B, to ensure the best storage conditions.
  • At least one of the edge seals 4a-4d has resistance to internal pressure of the sachet, lower than the internal pressure resistance of the container for sealing the edges 2a-2d of the outer container 2.
  • this (or these) edge (s) 4a-4d is (are) produced by a weld line of least width, or by an embossed or ribbed weld strip.
  • the manufacturing of the assembly 1 can be carried out as follows: two sheets 3a, 3b superimposed by thermal welding of the edges 2a, 2c and 2d. Through the open bottom (2b), after having turned the assembly over, the elements are introduced A and B, which can be done, if necessary, under partial vacuum or in the presence of a inert protective gas. It is understood that other modes of manufacture suitable can be used.
  • the manufacture of the bag 4 can be carried out continuously, for example using a sheath, filled with liquid B to be conditioned.
  • a sheath filled with liquid B to be conditioned.
  • thermal welding through the product stream, we conditions a succession of compartments aligned with each other (see also fig. 7). It is then enough to section these compartments in the zone median 5 of each sealing line to obtain separate 4 ready bags to be packaged in container 2.
  • the outer container 2 can be made of a material transparent or translucent, allowing the user to identify the position of the (or bag (s) 4.
  • the user When the user wishes to apply the product, he compresses the sachet 4 between the thumb and forefinger, through the flexible wall of the outer container 2, so to separate a sealing zone from the bag 4.
  • the opening of the bag 4 is accompanied by an audible click noise, which constitutes a acoustic indicator of the release of component B.
  • the user can, if necessary, perfect the impregnation homogeneous of element A by liquid B.
  • impregnated element A After opening the external container, for example using scissors or by tearing a pre-weakened line 10, impregnated element A can be taken out of the external container and applied to the desired location.
  • the pre-weakened line leads to a notch 11 facilitating the opening of the outer container.
  • FIG. 2 illustrates a form of mask, suitable for the treatment of the face, this mask being obtained by cutting from a layer of woven, nonwoven or any other absorbent material. Appropriately shaped openings are provided for the eyes, nose and mouth.
  • This mask can be pre-impregnated with gelling agents and / or other active ingredients, then dehydrated. It is possible to treat said mask so that it can become adhesive, after contacting with the component B. By successive folding, the mask takes on a dimension allowing insert it into container 2.
  • the mask When brought into contact with component B, the mask re-hydrates and permeates the active ingredients contained in sachet 4. It is understood that several 4 sachets can be placed in the container, which sachets contain identical components or different components.
  • Figure 3 shows, similarly to the embodiment of Figure 1, a container outside 2, in which is placed a wipe A, sandwiched between the two 4th flaps, 4f of a bag 4 folded in half. The plaintiff has found that a bag folded in this way is easier to open by compression than a sachet placed flat.
  • Figure 4 illustrates, similarly to the embodiment of Figure 1, the presence a wipe A as well as two sachets 4 in an outer container 2, of which one contains a component B and the second of which contains a component additional C.
  • the container 2 is transparent or translucent, so that the sachet can be selected wants to evict content.
  • the outer container has a "bellows" structure, allowing to increase its interior volume and its malleability.
  • Having a variable number of sachets in the container is interesting from an industrial point of view, because this allows, starting from the same type sachet (and containing the same product), to obtain final products, concentration and therefore variable activity, adapted to the specific needs of the user. This allows, according to a particular mode of use, to perform a treatment cycle with progressive concentration. Indeed, periodically, by example every day, we can increase the concentration of active ingredient, by opening an additional sachet.
  • Figure 5 illustrates another embodiment of the outer container 2.
  • the outer container is obtained from a flexible sheath 17.
  • the sheath 17 is formed of a sheet, for example of material thermoplastic, and welded along a longitudinal weld line 2a.
  • the sheath 17 has two opposite ends 18 and 19, obtained by welding transverse 2c, 2d, to form the bottom and the top of the outer container 2.
  • the outer container 2 contains a sachet 4 containing a first liquid B and an absorbent wipe A 2
  • the outer container 2 also contains a second liquid A 1 , in which the sachet 4 and the wipe "bathe” A 2 .
  • This assembly makes it possible to obtain, after opening the bag 4, the impregnation of the wipe A 2 by a mixture formed "in situ" by the components A 1 and B.
  • FIG. 6 represents an assembly 1 comprising in an external container 2, a plurality of absorbent wipes A 2 , and a bag 4 filled with a liquid B.
  • the bag 4 is taken between the two flaps 30a , 30b of a clamp 30, made of a rigid or semi-rigid material.
  • the container 2 is provided with an opening 34, hermetically closed by a self-adhesive label 32, in a removable manner.
  • the reclosure of the opening 34 can be ensured.
  • the user can remove the label and extract from the container 2 a wipe ready for employment. To preserve the remaining wipes, he then closes the opening 34 by gluing the label on the edges thereof.
  • Figure 7 shows a perspective view of a plurality of sachets in solidarity with each other.
  • the liquid in each sachet can be variable as to its nature and as to its concentration.
  • the invention allows great freedom with regard to the contacting of several elements of nature, consistency, structure, solubility or respective respective compatibility, depending on application modes variables, adapted to the individual needs of the user.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cosmetics (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A unit for packaging at least one absorbent structure intended to be impregnated with a liquid composition includes at least one component, packaged separately from the absorbent structure. The unit includes a flexible-walled container containing the absorbent structure, and at least one sachet containing the component. The sachet is capable of opening in response to pressure exerted on the sachet via at least one flexible wall of the container so as to cause the absorbent structure to become impregnated with the liquid composition containing the component, the sachet and the absorbent structure being free inside the container. The unit may be used for treatment, particularly cosmetic treatment, of the human skin and its superficial body growths.

Description

L'invention concerne un ensemble selon le préambule de la revendication 1, notamment de traitement cosmétique, comportant au moins deux éléments à mettre en contact l'un avec l'autre, avant application sur un support, ainsi que l'utilisation d'un tel ensemble pour l'application du produit obtenu à partir desdits éléments, sur ledit support, par exemple sur la peau, ou sur les cheveux.The invention relates to an assembly according to the preamble of claim 1, in particular for cosmetic treatment, comprising at least two elements to be brought into contact with each other, before application on a support, as well as the use of such a set for applying the product obtained from said elements, on said support, by example on the skin, or on the hair.

L'ensemble visé par la présente invention est du type comprenant un récipient extérieur souple, notamment sous la forme d'un sachet extérieur à parois souples formant réceptacle pour lesdits éléments. Plus particulièrement, l'un au moins desdits éléments est un sachet intérieur à paroi frangible, dans lequel est conditionné un produit liquide devant être conservé à l'abri de l'air ambiant et/ou de l'autre (des autres) élément(s). L'un au moins des autres éléments disposés dans le réservoir est constitué d'une structure absorbante. Le cas échéant, le réservoir peut contenir, en outre, une poudre ou une pâte, ou encore un autre liquide.The assembly covered by the present invention is of the type comprising a container flexible exterior, in particular in the form of an exterior bag with flexible walls forming a receptacle for said elements. More specifically, at least one of said elements is an inner bag with a frangible wall, in which is packaged a liquid product to be stored away from ambient air and / or on the other (other) element (s). At least one of the other elements arranged in the tank consists of an absorbent structure. If applicable, the tank may contain, in addition, a powder or a paste, or another liquid.

L'ensemble selon l'invention est conçu pour l'application d'un produit résultant de la mise en contact "in situ" à partir de plusieurs éléments de départ conditionnés séparément. En particulier, le produit résultant peut être un masque ou une lingette imprégné d'au moins un produit, notamment liquide. De manière plus spécifique, il peut s'agir d'une structure absorbante, par exemple du type lingette, gaze tissée, non tissé, mousse, imprégné ou non d'un agent cosmétiquement ou dermo-pharmaceutiquement actif.The assembly according to the invention is designed for the application of a product resulting from contacting " in situ " from several starting elements packaged separately. In particular, the resulting product can be a mask or a wipe impregnated with at least one product, in particular a liquid. More specifically, it may be an absorbent structure, for example of the wipe, woven, nonwoven gauze, foam type, impregnated or not with a cosmetically or dermo-pharmaceutically active agent.

L'ensemble visé par l'invention peut être utilisé, notamment, dans le cadre d'un traitement pour prévenir ou traiter les signes du vieillissement de la peau, comme les rides et ridules, les marques de fatigue, notamment celles du visage, du cou ou du décolleté, ou encore pour effectuer un traitement amaigrissant de certaines zones du corps. Aussi, un tel ensemble peut servir au traitement amaigrissant des hanches, des cuisses, du ventre, au traitement raffermissant des seins, au traitement de la cellulite et de l'adiposité, ou tout simplement au nettoyage de la peau.The assembly covered by the invention can be used, in particular, in the context of a treatment to prevent or treat the signs of aging skin, such as wrinkles and fine lines, signs of fatigue, especially those of the face, neck or cleavage, or to perform a slimming treatment of certain body areas. Also, such a set can be used for weight loss treatment hips, thighs, stomach, breast firming treatment, treatment of cellulite and adiposity, or simply to cleanse the skin.

Les zones du visage, visées par l'invention, peuvent être les rides du contour des yeux, telles que les "pattes d'oie" du coin externe des yeux, les cernes et poches sous les yeux, les rides ou ridules des commissures des lèvres, etc.The areas of the face targeted by the invention may be the wrinkles around the edges of the eyes, such as crow's feet from the outer corner of the eyes, dark circles and bags under the eyes, wrinkles or fine lines on the corners of the lips, etc.

Un tel ensemble peut servir, également, à la teinture capillaire par oxydation ou au traitement d'ondulation permanente des cheveux. Ce genre de produits est composé, habituellement, d'au moins deux composantes liquides, à conserver séparément et à mélanger juste avant l'emploi, et à fixer sur un support absorbant, lors de l'emploi.Such a set can also be used for hair dyeing by oxidation or to the treatment of permanent waving of the hair. This kind of products is usually made up of at least two liquid components, to keep separately and mix just before use, and fix on a support absorbent during use.

On connaít par le document WO 94/03 369 un ensemble de conditionnement comportant un récipient extérieur flexible dans lequel sont disposés deux éléments : un organe d'application dentaire en mousse et un sachet interne rempli d'un liquide. Le récipient extérieur est formé de deux feuilles thermoplastiques superposées, les bords d'une première feuille étant soudés, de façon étanche, sur les bords correspondants de la seconde feuille. Le sachet interne est réalisé en un matériau pourvu d'une zone pré-affaiblie, éclatant sous l'action d'une pression exercée via les parois du récipient extérieur. Un des bords du sachet intérieur est pris en sandwich et soudé entre deux bords du récipient extérieur, de manière à immobiliser le sachet dans le récipient.WO 94/03 369 discloses a packaging assembly having a flexible outer container in which two elements: a foam dental applicator and an internal sachet filled with liquid. The outer container consists of two sheets superimposed thermoplastics, the edges of a first sheet being welded, of tightly, on the corresponding edges of the second sheet. The bag internal is made of a material provided with a pre-weakened area, bursting under the action of pressure exerted via the walls of the outer container. One of the edges of the inner bag is sandwiched and sealed between two edges of the container outside, so as to immobilize the sachet in the container.

Un des inconvénients d'une telle disposition tient au fait que la soudure du bord de la pochette entre les bords du récipient extérieur constitue un affaiblissement de l'étanchéité, voire un risque de fuite, ce qui peut se produire, notamment, avant l'ouverture de la pochette intérieure lors de l'application de ladite pression. En outre, selon WO 94/03 369, le choix du matériau pouvant constituer la pochette est limité, car ce matériau doit être compatible avec le matériau constituant la paroi du récipient extérieur, alors qu'il est souhaitable, notamment, que ce matériau puisse être choisi en fonction de la nature de la substance renfermée dans la pochette.One of the drawbacks of such an arrangement is that the welding of the edge of the pouch between the edges of the outer container weakens tightness, or even a risk of leakage, which can occur, in particular, before the opening of the interior pocket during the application of said pressure. In addition, according to WO 94/03369, the choice of material which can constitute the pocket is limited because this material must be compatible with the material constituting the wall of the outer container, whereas it is desirable, in particular, that this material can be chosen according to the nature of the substance enclosed in the pouch.

Par ailleurs, cet ensemble présente l'inconvénient que la zone pré-affaiblie de la pochette constitue un risque de perméabilité pour certaines substances, pouvant provoquer la mise en contact précoce ou la désactivation d'une autre composante, présente dans le récipient. Ceci est le cas, notamment lorsque la substance dans la pochette présente un fort pouvoir oxydant ou réducteur, susceptible de dégrader l'autre composante.Furthermore, this assembly has the disadvantage that the pre-weakened area of the pouch constitutes a risk of permeability for certain substances, which may cause early contact or deactivation of another component, present in the container. This is the case, especially when the substance in the pouch has a strong oxidizing or reducing power, likely to degrade the other component.

Enfin, cette zone pré-affaiblie est difficile à maítriser, de manière à assurer sa rupture à une pression déterminée sur la pochette. Il en résulte que la force de compression nécessaire pour l'ouverture peut varier d'une pochette à l'autre.Finally, this pre-weakened area is difficult to control, so as to ensure its rupture at a determined pressure on the cover. As a result, the strength of compression required for opening may vary from pocket to pocket.

Par le document US-A-2 907 173, on connaít un récipient souple contenant un premier liquide et un sachet rempli d'un second liquide. Le sachet est frangible de manière à permettre la mise en contact des deux liquides en vue d'obtenir un mélange réfrigérant. Sur les parois internes du récipient est fixée une couche favorisant la diffusion du mélange.By document US-A-2 907 173, there is known a flexible container containing a first liquid and a sachet filled with a second liquid. The bag is frangible so as to allow the two liquids to come into contact in order to obtain a refrigerant mixture. On the inner walls of the container is fixed a layer promoting the diffusion of the mixture.

Le document US-A-3 638 786 décrit un conditionnement permettant, par réaction exothermique de plusieurs composantes liquides appropriées, de produire une mousse à chaud. Ce conditionnement comprend un premier sachet extérieur, de structure souple et contenant un premier liquide. De plus, un second sachet rempli d'un second liquide étant disposé à l'intérieur du premier sachet. Le second sachet est frangible de manière à provoquer la mise en contact des deux liquides, en vue d'obtenir un mélange moussant, à appliquer sur un support après ouverture du premier sachet. Document US-A-3 638 786 describes a packaging allowing, by reaction exothermic of several suitable liquid components, to produce a hot foam. This packaging includes a first outer sachet, of flexible structure and containing a first liquid. In addition, a second sachet filled with a second liquid being placed inside the first sachet. The second sachet is frangible so as to bring the two into contact liquids, in order to obtain a foaming mixture, to be applied on a support after opening of the first sachet.

Par ailleurs, le document WO-A-96/28262, qui est l'art antérieur le plus proche, décrit un ensemble de nettoyage comprenant un réceptacle extérieur contenant séparément une multitude de serviettes de nettoyage et un liquide pour imprégner les serviettes. Le liquide est conditionné dans une poche formée par une feuille et une face interne de la paroi du réceptacle extérieur. Ladite feuille est disposée fixe en regard des serviettes. Elle comporte des moyens d'ouverture pour provoquer l'écoulement du liquide sur les serviettes. Cet ensemble est d'utilisation limitée à des liquides de viscosité faible. L'imprégnation des serviettes, au moins dans un premier temps, est inhomogène.Furthermore, document WO-A-96/28262, which is the closest prior art, describes a cleaning assembly comprising an external receptacle separately containing a multitude of cleaning towels and a liquid to soak the towels. The liquid is packaged in a pocket formed by a sheet and an internal face of the wall from the outer receptacle. Said sheet is arranged fixed opposite the towels. It includes opening means to cause the liquid to flow over towels. This set is for use limited to viscosity liquids low. The impregnation of the towels, at least initially, is inhomogeneous.

Un des objets de la présente invention consiste donc à fournir un ensemble de traitement, permettant de stocker séparément, de manière fiable, au moins un élément absorbant et au moins un élément, de préférence liquide, et permettre leur mise en contact à l'abri de l'air ambiant. L'invention vise, en particulier, une imprégnation homogène de l'élément absorbant par le liquide, et ceci quelle que soit la consistance de ce dernier.One of the objects of the present invention therefore consists in providing a set of processing, allowing the reliable storage of at least one absorbent element and at least one element, preferably liquid, and allow their contacting away from the ambient air. The invention relates, in particular, to a homogeneous impregnation of the absorbent element with the liquid, regardless of or the consistency of the latter.

Un autre problème que cherche à résoudre la présente invention est de pouvoir disposer un ou plusieurs sachets à l'intérieur du récipient, et ceci quelle que soit la nature du matériau les constituant. Les sachets visés par l'invention doivent présenter, notamment, une étanchéité parfaite vis-à-vis du produit qu'ils contiennent, pendant le transport et pendant la période de stockage.Another problem which the present invention seeks to solve is that of being able place one or more sachets inside the container, regardless of the nature of the material constituting them. The sachets covered by the invention must present, in particular, a perfect seal vis-à-vis the product they contain, during transport and during the storage period.

C'est encore un des objets de la présente invention que de fournir un ensemble de traitement, adapté notamment au traitement de la peau ou des cheveux, à partir d'au moins deux éléments de base, à mettre en contact l'un avec l'autre, de manière extemporanée, et à appliquer par la suite sur la peau ou sur les cheveux.It is also one of the objects of the present invention to provide a set treatment, suitable in particular for treating the skin or the hair, starting from at least two basic elements, to be brought into contact with each other, extemporaneous way, and to apply thereafter on the skin or on the hair.

La présente invention a pour objet un ensemble pour le conditionnement d'au moins une structure absorbante, selon la revendication 1, notamment d'une lingette, d'un patch ou d'un masque, et destinée à être imprégnée d'une composition liquide dont au moins une composante, de préférence liquide, est conditionnée de manière séparée de ladite structure absorbante, ladite structure absorbante étant destinée après imprégnation avec ladite composition liquide, à être appliquée sur un support, notamment la peau ou les cheveux, ledit ensemble comportant un récipient à parois souples contenant ladite structure absorbante, et au moins un sachet contenant ladite composante, ledit sachet étant apte à s'ouvrir en réponse à une pression exercée sur ledit sachet via les parois souples du récipient, de manière à provoquer l'imprégnation de ladite structure absorbante par ladite composition liquide contenant ladite composante, ledit sachet et ladite structure absorbante étant libres à l'intérieur du récipient, ledit récipient étant conçu de manière à pouvoir être ouvert pour extraire la structure absorbante ainsi imprégnée en vue de son application sur ledit support.The subject of the present invention is an assembly for packaging at least at least one absorbent structure, according to claim 1, in particular of a wipe, a patch or a mask, and intended to be impregnated with a liquid composition of which at least a component, preferably liquid, is packaged separately from said absorbent structure, said absorbent structure being intended after impregnation with said liquid composition, to be applied to a support, in particular the skin or the hair, said assembly comprising a container for flexible walls containing said absorbent structure, and at least one sachet containing said component, said sachet being able to open in response to a pressure exerted on said sachet via the flexible walls of the container, so to cause the impregnation of said absorbent structure by said composition liquid containing said component, said sachet and said absorbent structure being free inside the container, said container being designed so as to be able to be opened to extract the absorbent structure so impregnated in view of its application on said support.

Au sens de la présente demande, une structure absorbante s'entend d'une structure apte à s'imprégner selon un mécanisme d'absorption tel que le pompage notamment capillaire dans des pores ou micro-pores que forme la structure absorbante. De préférence, le volume de composition liquide est suffisant pour saturer complètement ladite structure absorbante. Une telle structure absorbante peut être pré-imprégnée d'un ou plusieurs actifs, puis éventuellement déshydratée. Alternativement, avant d'être mise en contact avec la ou les composantes contenues séparément dans le sachet, la structure absorbante peut être directement en contact avec une ou plusieurs composantes, liquides ou non, et faisant partie de la composition liquide à appliquer sur le support.Within the meaning of the present application, an absorbent structure means a structure able to soak up according to an absorption mechanism such as pumping especially capillary in pores or micro-pores that form the structure absorbent. Preferably, the volume of liquid composition is sufficient to completely saturate said absorbent structure. Such an absorbent structure can be pre-impregnated with one or more active ingredients, then optionally dehydrated. Alternatively, before being brought into contact with the components contained separately in the sachet, the absorbent structure can be in direct contact with one or more components, liquid or not, and forming part of the liquid composition to be applied to the support.

Le récipient externe à parois souples doit être suffisamment résistant pour ne pas s'ouvrir sous l'effet de la pression à exercer sur ses parois pour provoquer l'ouverture du (ou des) sachet(s) qu'il contient.The external container with flexible walls must be strong enough not to open under the effect of the pressure to be exerted on its walls to cause the opening of the bag (s) it contains.

Aussi, avantageusement, ledit récipient et le sachet sont fermés selon au moins un bord scellé, la résistance à la pression du bord scellé du récipient étant sensiblement supérieure à la résistance à la pression du bord scellé du (ou des) sachet(s). Also, advantageously, said container and the bag are closed according to at least a sealed edge, the pressure resistance of the sealed edge of the container being significantly higher than the pressure resistance of the sealed edge of the bag (s).

De ce fait, la mise en contact desdits éléments à l'intérieur du récipient s'effectue par rupture d'au moins un bord du sachet, en réponse à la pression exercée sur le sachet via les parois souples du récipient.Therefore, the contacting of said elements inside the container takes place by rupture of at least one edge of the bag, in response to the pressure exerted on the bag via the flexible walls of the container.

Généralement, le, ou les sachets sont constitués d'au moins une feuille dont les bords sont soudés ou collés. Au cas, où un tel sachet est formé d'une seule feuille, cette dernière est repliée sur elle-même, et les bords, en regard l'un de l'autre, sont scellés. Une telle feuille peut être constituée d'une couche d'un matériau appropriée, par exemple thermoplastique, ou formée par une feuille complexe muliti-couches. La nature du matériau formant un tel sachet peut être variable, en fonction de la nature du produit qu'il contient.Generally, the or the sachets consist of at least one sheet, the edges are welded or glued. In case such a bag is formed of a single sheet, the latter is folded back on itself, and the edges, facing one of the other, are sealed. Such a sheet may consist of a layer of suitable material, for example thermoplastic, or formed by a sheet multi-layered complex. The nature of the material forming such a bag can be variable, depending on the nature of the product it contains.

De préférence, le, ou les sachets sont formés par deux feuilles superposées, par exemple rectangulaires, scellées ensemble sur toute leur périphérie.Preferably, the or the bags are formed by two superimposed sheets, by rectangular examples, sealed together around their entire periphery.

Avantageusement, le (ou les) sachet(s) est (sont) réalisé(s) à partir d'un film thermoplastique, au moins l'un des bords de scellage étant apte à s'ouvrir, en réponse à ladite pression exercée via les parois souples du récipient. A cet effet, la largeur de l'un des bords de scellage peut être plus faible que la largeur du scellage des autres bords. Alternativement, il est possible de réaliser ce scellage, de manière ajourée, par exemple en réalisant une structure gaufrée.Advantageously, the bag (s) is (are) produced from a film thermoplastic, at least one of the sealing edges being able to open, in response to said pressure exerted via the flexible walls of the container. To this end, the width of one of the sealing edges may be less than the width of the sealing of the other edges. Alternatively, it is possible to carry out this sealing, openwork, for example by producing an embossed structure.

Selon un mode de réalisation, le récipient comporte une portion détachable permettant son ouverture et permettant de sortir ladite structure absorbante, imprégnée d'une ou plusieurs composantes liquides.According to one embodiment, the container has a detachable portion allowing it to be opened and allowing said absorbent structure to be removed, impregnated with one or more liquid components.

Selon un autre mode de réalisation encore, le récipient comporte une ouverture, fermée de manière réversible, par une étiquette autocollante que l'utilisateur enlève pour ouvrir le récipient, et qu'il repositionne après utilisation, pour refermer le récipient. According to yet another embodiment, the container has an opening, reversibly closed, with a self-adhesive label that the user remove to open the container, and reposition after use, to close the recipient.

Avantageusement, le récipient externe peut être réalisé à partir d'au moins une feuille constituée d'au moins une couche thermoplastique. De préférence, la feuille est réalisée en un complexe multicouches, par exemple du type thermoplastique/ métal/thermoplastique ou polyéthylène téréphthalate/polyéthylène/céramique/ polyéthylène (PET/PE/SiOx/PE). La réalisation de ce récipient peut être effectuée de manière similaire à la réalisation du sachet, par thermosoudage des bords. La feuille peut être transparente ou translucide, permettant de visualiser les éléments conditionnés dans le récipient.Advantageously, the external container can be produced from at least one sheet made up of at least one thermoplastic layer. Preferably, the sheet is produced in a multilayer complex, for example of the thermoplastic / metal / thermoplastic or polyethylene terephthalate / polyethylene / ceramic / polyethylene (PET / PE / SiO x / PE) type. The production of this container can be carried out in a similar manner to the production of the sachet, by heat-sealing the edges. The sheet can be transparent or translucent, allowing the elements packaged in the container to be viewed.

Selon un aspect intéressant de l'invention, le récipient externe comporte un corps dont la dimension est nettement supérieure à la dimension du (ou des) sachet(s) qu'il contient. Il présente, avantageusement, une souplesse telle que, après ouverture du (ou des) sachet(s), un malaxage manuel du produit provenant du sachet avec la structure absorbante, peut être effectué par l'utilisateur. Ceci est important, lorsque le(s) produit(s) contenu(s) initialement dans le(s) sachet(s) presente(nt) une viscosité élevée.According to an interesting aspect of the invention, the external container comprises a body the dimension of which is clearly greater than the dimension of the bag (s) it contains. It has, advantageously, a flexibility such that, after opening of the bag (s), manual mixing of the product from the sachet with absorbent structure, can be made by the user. this is important, when the product (s) initially contained in the sachet (s) has a high viscosity.

Avantageusement, une telle structure absorbante est constituée d'au moins une couche formée en fibres naturelles ou synthétiques, tissées ou non tissées, ou en mousse à cellules ouvertes ou semi-ouvertes ou en feutre. De préférence, cette couche présente une épaisseur relativement faible, par exemple une épaisseur allant d'environ 0,1 mm à environ 3 mm.Advantageously, such an absorbent structure consists of at least one layer formed from natural or synthetic fibers, woven or non-woven, or from cell foam open or semi-open or felt. Preferably, this layer has a relatively small thickness, for example a thickness ranging from about 0.1 mm to about 3 mm.

Avantageusement encore, cette couche en matériau tissé ou non tissé est formée par des fibres naturelles ou synthétiques, comme les fibres de coton, de rayonne, de viscose, de coton ou leur mélange avec des fibres de polypropylène ou de polyester. De cette manière, on peut ajuster leur pouvoir d'absorption en liquide et/ou leur résistance mécanique.Advantageously also, this layer of woven or non-woven material is formed by natural or synthetic fibers, such as cotton fibers, rayon fibers, viscose, cotton or their mixture with polypropylene fibers or polyester. In this way, one can adjust their liquid absorption power and / or their mechanical strength.

Avantageusement encore, la structure absorbante est découpée en forme, en fonction de la configuration du support à traiter. Advantageously also, the absorbent structure is cut in shape, in depending on the configuration of the medium to be treated.

Pour disposer la structure absorbante dans le récipient, le sachet peut être plié de manière à définir au moins deux volets entre lesquels est disposée ladite structure absorbante. Par cette disposition, on favorise la facilité d'ouverture du sachet en réponse à une compression, ainsi que l'imprégnation de la structure absorbante. Les volets du sachet peuvent délimiter deux compartiments distincts, aptes à s'ouvrir en réponse à ladite pression. Dans ce cas, chaque compartiment peut contenir un même actif à concentration identique ou différente, ou bien deux actifs différents.To place the absorbent structure in the container, the bag can be folded so as to define at least two flaps between which is disposed said absorbent structure. This arrangement promotes the ease of opening the sachet in response to compression, as well as impregnation of the structure absorbent. The flaps of the bag can delimit two separate compartments, able to open in response to said pressure. In this case, each compartment may contain the same active ingredient with the same or different concentration, or two different assets.

Lorsque plusieurs sachets sont disposés dans le récipient, ils peuvent être solidaires les uns des autres, par leurs bords de soudure respectifs.When several sachets are placed in the container, they can be integral with each other, by their respective weld edges.

Avantageusement, l'une au moins des faces du sachet peut être au contact d'un élément, de préférence rigide, apte à favoriser l'ouverture du (ou des) sachet(s), en réponse à ladite pression.Advantageously, at least one of the faces of the sachet can be in contact with a element, preferably rigid, capable of promoting the opening of the bag (s), in response to said pressure.

Ainsi, le (ou les) sachet(s) peu(ven)t être disposé(s) entre deux portions d'un élément rigide ou semi-rigide, notamment sous forme d'une pince. Dans ce cas, les portions dudit élément sont déformables, notamment élastiquement, de manière à pouvoir être rapprochées l'une de l'autre, et à pouvoir provoquer l'ouverture du sachet qu'elles enferment.Thus, the sachet (s) can (be) placed between two portions of a rigid or semi-rigid element, in particular in the form of a clamp. In that case, the portions of said element are deformable, in particular elastically, by so as to be able to be brought together, and to be able to provoke the opening of the bag they enclose.

Le cas échéant, préalablement à sa mise en contact avec la composante contenue dans le sachet, la structure absorbante peut être imprégnée d'au moins un agent cosmétiquement ou dermo-pharmaceutiquement actif, choisi parmi les épaississants, les gélifiants, les tensioactifs, les solvants physiologiquement compatibles, l'eau, les mono- ou polyalcools ; les huiles, les régulateurs de pH, les émulsifiants ; les extraits secs d'origine biologique ; les collagènes et leurs dérivés, éventuellement lyophilisés ; les agents stimulant la micro-circulation du sang dans le derme ou l'angiogénèse, les agents tenseurs des rides ou les protéines végétales. Cet agent actif peut être pré-imprégné sur la structure absorbante ou être disposé autour de celle-ci. If necessary, before contacting the component contained in the sachet, the absorbent structure can be impregnated with at least a cosmetically or dermo-pharmaceutically active agent, chosen from thickeners, gelling agents, surfactants, physiologically solvents compatible, water, mono- or polyalcohols; oils, pH regulators, emulsifiers; dry extracts of biological origin; collagens and their derivatives, optionally lyophilized; agents stimulating the micro-circulation of the blood in the dermis or angiogenesis, wrinkle tightening agents or vegetable proteins. This active agent can be prepreg on the absorbent structure or be arranged around it.

De préférence, la composante contenue dans le sachet est un liquide contenant au moins un agent cosmétiquement ou dermo-pharmaceutiquement actif, choisi parmi les vitamines, les agents amaigrissants ou catabolisants des graisses, les enzymes, les agents hydratants, les agents anti-vieillissement, les agents antirides, les filtres UV, etc., et plus particulièrement choisi parmi la vitamine C, la vitamine A, la vitamine E ou leurs dérivés, les alpha- et bêta- hydroxy acides ou leurs dérivés, l'acide citrique ou ses dérivés, les huiles essentielles, la caféine, l'acide kojique, l'hydroquinone, les esters de l'acide nicotinique, la bêta-carotène, l'urée, la glycérine, le propylène glycol, etc..Preferably, the component contained in the sachet is a liquid containing at least one cosmetically or dermo-pharmaceutically active agent, chosen among the vitamins, slimming or catabolic agents of fats, enzymes, moisturizers, anti-aging agents, anti-wrinkle agents, UV filters, etc., and more particularly chosen from vitamin C, vitamin A, vitamin E or their derivatives, alpha- and beta-hydroxy acids or their derivatives, citric acid or its derivatives, essential oils, caffeine, kojic acid, hydroquinone, esters of nicotinic acid, beta-carotene, urea, glycerin, propylene glycol, etc.

Dans un récipient à plusieurs sachets, on peut conditionner, en toute sécurité, plusieurs composantes cosmétiquement ou dermo-pharmaceutiquement actives, incompatibles entre elles ou incompatibles avec une composante liquide, pâteuse ou solide contenue, outre la structure absorbante, directement dans le récipient.In a container with several sachets, we can safely package several cosmetically or dermo-pharmaceutically active components, incompatible with each other or incompatible with a liquid, pasty component or solid contained, in addition to the absorbent structure, directly in the container.

Il est envisageable, également, d'utiliser l'ensemble selon l'invention pour le conditionnement d'une teinture capillaire ou d'une permanente. Dans le cas d'une teinture capillaire, le récipient peut contenir, outre la structure absorbante, des précurseurs de coloration, le sachet pouvant contenir un oxydant liquide.It is also conceivable to use the assembly according to the invention for the conditioning of a hair dye or a perm. In the case of a hair dye, the container may contain, in addition to the absorbent structure, color precursors, the sachet may contain a liquid oxidant.

Dans le cas d'une permanente, le sachet peut contenir un réducteur liquide, tel que l'acide thioglycolique ou ses dérivés, le récipient contenant une pluralité de lingettes à imprégner par le réducteur. De telles lingettes imprégnées sont destinées à être placées autour d'un bigoudi, avant enroulement d'une mèche de cheveux sur celui-ci.In the case of a perm, the sachet may contain a liquid reducing agent, such as as thioglycolic acid or its derivatives, the container containing a plurality of wipes to be impregnated with the reducer. Such impregnated wipes are intended to be placed around a curler, before winding a lock of hair on this one.

Il est bien entendu que le récipient souple peut contenir plusieurs sachets contenant chacun une composante liquide de même nature ou de nature différente. Lorsque les sachets contiennent la même composante, l'utilisateur peut choisir, lui-même, la concentration en actif en provoquant l'ouverture d'un nombre approprié de sachets. Ceci peut être effectué dès le départ, lors de la première utilisation, ou progressivement au cours de l'utilisation, par exemple pour augmenter la concentration en actif au cours d'un cycle de traitement. Dans ce dernier cas, une pluralité de lingettes est disposée dans le récipient.It is understood that the flexible container can contain several sachets each containing a liquid component of the same nature or nature different. When the sachets contain the same component, the user can choose, itself, the concentration of active by causing the opening of a number suitable of sachets. This can be done from the start, during the first use, or gradually during use, for example for increase the concentration of active during a treatment cycle. In this last case, a plurality of wipes is disposed in the container.

Lorsque plusieurs sachets contiennent des composantes de nature différente et incompatibles entre elles, le mélange de ces composantes, obtenu par pétrissage du récipient externe par l'utilisateur, peut être mis en contact avec la structure absorbante. Ainsi, un masque peut être imprégné, en même temps, d'une vitamine et d'un actif hydratant, composantes qui se neutraliseraient à long terme, si elles étaient conditionnées ensemble dans un même volume.When several sachets contain components of a different nature and incompatible with each other, the mixture of these components, obtained by kneading of the external container by the user, can be brought into contact with the structure absorbent. Thus, a mask can be impregnated, at the same time, with a vitamin and a moisturizing active ingredient, which would neutralize in the long term, if they were packaged together in the same volume.

L'ensemble de traitement qui vient d'être décrit est utilisable, pour l'application d'un produit résultant de la mise en contact de plusieurs éléments du genre de ceux cités précédemment, notamment pour le traitement de la peau humaine et ses phanères.The processing unit which has just been described can be used for the application of a product resulting from the contacting of several elements of the kind of those mentioned above, in particular for the treatment of human skin and her appendages.

En particulier, cet ensemble de traitement est utilisable, pour le traitement des signes du vieillissement de la peau, de la cellulite, de l'adiposité, des affections de la peau, du cuir chevelu, des muqueuses ou des ongles,In particular, this treatment set can be used for the treatment of signs of aging skin, cellulite, adiposity, ailments skin, scalp, mucous membranes or nails,

D'autres objets de l'invention apparaítront de manière détaillée à la lecture de la description qui va suivre de plusieurs modes de réalisation de l'invention, donnés à titre d'exemples purement illustratifs et nullement limitatifs, représentés sur les dessins annexés.Other objects of the invention will appear in detail on reading the description which will follow of several embodiments of the invention, given by way of purely illustrative and in no way limitative examples, represented on the attached drawings.

Sur ce dessin :

  • la figure 1 représente une vue schématique, en coupe axiale, d'un ensemble suivant un premier mode de réalisation de l'invention, comportant deux éléments A, B, dont l'un est une structure absorbante et l'autre est un liquide ;
  • la figure 2 représente en détail, la forme d'un masque pour le visage, conforme à un mode de réalisation particulier ;
  • la figure 3 représente une vue schématique d'une disposition particulière des éléments A et B, selon un autre mode de réalisation ;
  • la figure 4 représente une vue en perspective, avec arrachement partiel, d'un autre mode de réalisation de l'invention ;
  • la figure 5 représente une vue en perspective, avec arrachement partiel, d'un autre mode de réalisation de l'invention ;
  • la figure 6 représente une vue en perspective, avec arrachement partiel, d'un autre mode de réalisation de l'invention ;
  • la figure 7 représente une vue en perspective, d'une pluralité de sachets, solidaires les uns des autres.
On this drawing :
  • FIG. 1 represents a schematic view, in axial section, of an assembly according to a first embodiment of the invention, comprising two elements A, B, one of which is an absorbent structure and the other is a liquid;
  • Figure 2 shows in detail, the shape of a mask for the face, according to a particular embodiment;
  • FIG. 3 represents a schematic view of a particular arrangement of the elements A and B, according to another embodiment;
  • Figure 4 shows a perspective view, partially broken away, of another embodiment of the invention;
  • FIG. 5 represents a perspective view, with partial cutaway, of another embodiment of the invention;
  • Figure 6 shows a perspective view, partially broken away, of another embodiment of the invention;
  • Figure 7 shows a perspective view of a plurality of bags, integral with each other.

Sur ces figures, les parties identiques ou jouant un rôle similaire, portent les mêmes numéros de référence.In these figures, the identical parts or playing a similar role, bear the same reference numbers.

En référence à la figure 1, on voit un ensemble de traitement 1, selon un premier mode de réalisation de l'invention, désigné dans son ensemble par la référence 1. Au cours de la description des différentes figures décrivant d'autres modes de réalisations, la description détaillée des pièces déjà décrites en référence aux figures précédentes, ne sera pas reprise.Referring to Figure 1, we see a processing unit 1, according to a first embodiment of the invention, designated as a whole by the reference 1. During the description of the various figures describing other modes of achievements, the detailed description of the parts already described with reference to previous figures, will not be repeated.

L'ensemble 1 comporte un récipient extérieur 2, sous forme d'un sachet souple. Le récipient extérieur 2 est formé par deux feuilles souples 3a, 3b superposées, de forme sensiblement rectangulaire. Ces feuilles sont scellées le long de leurs bords respectifs 2a - 2d, par exemple par thermosoudage, de manière à former un sachet étanche. The assembly 1 comprises an external container 2, in the form of a flexible sachet. The outer container 2 is formed by two flexible sheets 3a, 3b superimposed, substantially rectangular in shape. These sheets are sealed on along their respective edges 2a - 2d, for example by heat sealing, of so as to form a sealed bag.

Les feuilles 3a et 3b sont flexibles, et constituées chacune d'une couche thermoplastique, ou d'un complexe à plusieurs couches thermoplastiques, comportant, le cas échéant, une couche métallique, telle qu'un film d'aluminium. Le choix de ces feuilles dépend de la nature chimique des éléments disposés dans ledit récipient.The sheets 3a and 3b are flexible, and each consisting of a layer thermoplastic, or a complex with several thermoplastic layers, comprising, where appropriate, a metallic layer, such as an aluminum film. The choice of these sheets depends on the chemical nature of the elements placed in said container.

A l'intérieur du récipient extérieur 2, sont conditionnés deux éléments A et B. Selon le mode de réalisation considéré, l'élément A est constitué d'une lingette absorbante en un matériau tissé ou non tissé. La lingette A est apte à être imprégnée par un liquide plus ou moins visqueux. La lingette A peut être pré-imprégnée, en outre, d'un actif cosmétique ou dermatologique ou d'un excipient cosmétiquement ou dermo-pharmaceutiquement acceptable.Inside the outer container 2, two elements A and B are conditioned. According to the embodiment considered, the element A consists of a wipe absorbent in a woven or non-woven material. Wipe A is suitable for impregnated with a more or less viscous liquid. Wipe A can be pre-impregnated, in addition, a cosmetic or dermatological active ingredient or an excipient cosmetically or dermo-pharmaceutically acceptable.

L'élément B est liquide et conditionné dans un sachet 4, lequel sachet est disposé librement dans le récipient 2. Le sachet 4, de dimension nettement inférieure à la dimension du récipient extérieur 2, est formée de deux feuilles souples, déformables, dont l'étanchéité est assurée par scellage des bords 4a-4d. Ces feuilles sont constituées d'un matériau mono- ou multi-couches, choisi en fonction de la nature du liquide B, pour assurer les meilleures conditions de conservation. L'un au moins des scellages des bords 4a-4d présente une résistance à la pression interne du sachet, inférieure à la résistance à la pression interne du récipient du scellage des bords 2a-2d du récipient extérieur 2. A cet effet, ce (ou ces) bord(s) 4a-4d est (sont) réalisé(s) par une ligne de soudure de moindre largeur, ou par une bande de soudure gaufrée ou striée.Element B is liquid and packaged in a bag 4, which bag is placed freely in the container 2. The sachet 4, of dimension considerably smaller than the dimension of the outer container 2, is formed of two flexible sheets, deformable, the sealing of which is ensured by sealing the edges 4a-4d. These sheets are made of a mono- or multi-layer material, chosen according to of the nature of liquid B, to ensure the best storage conditions. At least one of the edge seals 4a-4d has resistance to internal pressure of the sachet, lower than the internal pressure resistance of the container for sealing the edges 2a-2d of the outer container 2. For this purpose, this (or these) edge (s) 4a-4d is (are) produced by a weld line of least width, or by an embossed or ribbed weld strip.

La fabrication de l'ensemble 1 peut être effectuée de la manière suivante : on fixe deux feuilles 3a, 3b superposées par soudage thermique des bords 2a, 2c et 2d. Par le fond ouvert (2b), on introduit, après avoir retourné l'ensemble, les éléments A et B, ce qui peut être fait, le cas échéant, sous vide partiel ou en présence d'un gaz protecteur inerte. Il est bien entendu que d'autres modes de fabrication appropriés peuvent être employés. The manufacturing of the assembly 1 can be carried out as follows: two sheets 3a, 3b superimposed by thermal welding of the edges 2a, 2c and 2d. Through the open bottom (2b), after having turned the assembly over, the elements are introduced A and B, which can be done, if necessary, under partial vacuum or in the presence of a inert protective gas. It is understood that other modes of manufacture suitable can be used.

La fabrication du sachet 4 peut être effectuée en continu, par exemple en utilisant une gaine, remplie du liquide B à conditionner. Par pincement transversal de la gaine, suivi de soudage thermique au travers de la veine de produit, on conditionne une succession de compartiments alignés les uns avec les autres (voir également fig. 7). Il suffit alors de sectionner ces compartiments dans la zone médiane 5 de chaque ligne de soudure pour obtenir des sachets 4 séparés, prêts à être conditionnés dans le récipient 2.The manufacture of the bag 4 can be carried out continuously, for example using a sheath, filled with liquid B to be conditioned. By transverse pinching of the sheath, followed by thermal welding through the product stream, we conditions a succession of compartments aligned with each other (see also fig. 7). It is then enough to section these compartments in the zone median 5 of each sealing line to obtain separate 4 ready bags to be packaged in container 2.

Avantageusement, le récipient extérieur 2 peut être réalisé en un matériau transparent ou translucide, permettant à l'utilisateur de repérer la position du (ou des) sachet(s) 4.Advantageously, the outer container 2 can be made of a material transparent or translucent, allowing the user to identify the position of the (or bag (s) 4.

Lorsque l'utilisateur souhaite appliquer le produit, il comprime le sachet 4 entre le pouce et l'index, au travers de la paroi souple du récipient extérieur 2, de manière à désolidariser une zone de soudure du sachet 4. Généralement, l'ouverture du sachet 4 est accompagnée d'un bruit de claquage audible, ce qui constitue un indicateur acoustique de la libération de la composante B. En pétrissant le récipient extérieur 2, l'utilisateur peut, le cas échéant, parfaire l'imprégnation homogène de l'élément A par le liquide B. Après ouverture du récipient extérieur, par exemple à l'aide de ciseaux ou par déchirement d'une ligne pré-affaiblie 10, l'élément imprégné A peut être sorti du récipient externe et être appliqué sur l'endroit souhaité. Avantageusement, la ligne pré-affaiblie débouche sur une encoche 11 facilitant l'ouverture du récipient extérieur.When the user wishes to apply the product, he compresses the sachet 4 between the thumb and forefinger, through the flexible wall of the outer container 2, so to separate a sealing zone from the bag 4. Generally, the opening of the bag 4 is accompanied by an audible click noise, which constitutes a acoustic indicator of the release of component B. By kneading the outer container 2, the user can, if necessary, perfect the impregnation homogeneous of element A by liquid B. After opening the external container, for example using scissors or by tearing a pre-weakened line 10, impregnated element A can be taken out of the external container and applied to the desired location. Advantageously, the pre-weakened line leads to a notch 11 facilitating the opening of the outer container.

La figure 2 illustre une forme de masque, adaptée au traitement du visage, ce masque étant obtenu par découpe dans une couche de tissé, de non tissé ou de tout autre matériau absorbant. Des ouvertures de forme appropriée sont prévues pour les yeux, le nez et la bouche. Ce masque peut être pré-imprégné de gélifiants et/ou d'autres actifs, puis déshydraté. Il est envisageable de traiter ledit masque de sorte qu'il puisse devenir adhésif, après la mise en contact avec la composante B. Par pliage successif, le masque prend une dimension permettant de l'insérer dans le récipient 2.FIG. 2 illustrates a form of mask, suitable for the treatment of the face, this mask being obtained by cutting from a layer of woven, nonwoven or any other absorbent material. Appropriately shaped openings are provided for the eyes, nose and mouth. This mask can be pre-impregnated with gelling agents and / or other active ingredients, then dehydrated. It is possible to treat said mask so that it can become adhesive, after contacting with the component B. By successive folding, the mask takes on a dimension allowing insert it into container 2.

Lors de la mise en contact avec la composante B, le masque se re-hydrate et s'imprègne d'actifs contenus dans le sachet 4. Il est bien entendu que plusieurs sachets 4 peuvent être disposés dans le récipient, lesquels sachets contiennent des composantes identiques ou des composantes différentes.When brought into contact with component B, the mask re-hydrates and permeates the active ingredients contained in sachet 4. It is understood that several 4 sachets can be placed in the container, which sachets contain identical components or different components.

La figure 3 montre, de manière similaire à la réalisation de la figure 1, un récipient extérieur 2, dans lequel est disposée une lingette A, prise en sandwich entre les deux volets 4e, 4f d'un sachet 4 plié en deux. En effet, la demanderesse a constaté qu'un sachet plié de cette façon, est plus facile à ouvrir par compression qu'un sachet disposé à plat.Figure 3 shows, similarly to the embodiment of Figure 1, a container outside 2, in which is placed a wipe A, sandwiched between the two 4th flaps, 4f of a bag 4 folded in half. The plaintiff has found that a bag folded in this way is easier to open by compression than a sachet placed flat.

La figure 4 illustre, de manière similaire à la réalisation de la figure 1, la présence d'une lingette A ainsi que de deux sachets 4 dans un récipient extérieur 2, dont l'un contient une composante B et dont le second contient une composante supplémentaire C. Avantageusement, une portion au moins du récipient 2 est transparente ou translucide, de manière à pouvoir sélectionner le sachet dont on souhaite expulser le contenu. Il est à noter que le récipient extérieur présente une structure en « soufflet », permettant d'augmenter son volume intérieur et sa malléabilité.Figure 4 illustrates, similarly to the embodiment of Figure 1, the presence a wipe A as well as two sachets 4 in an outer container 2, of which one contains a component B and the second of which contains a component additional C. Advantageously, at least a portion of the container 2 is transparent or translucent, so that the sachet can be selected wants to evict content. Note that the outer container has a "bellows" structure, allowing to increase its interior volume and its malleability.

Le fait de pouvoir disposer un nombre variable de sachets dans le récipient est intéressant du point de vue industriel, car ceci permet, en partant d'un même type de sachet (et contenant un même produit), d'obtenir des produits finaux, à concentration et donc à activité variable, adaptée aux besoins spécifiques de l'utilisateur. Ceci permet, selon un mode d'utilisation particulier, d'effectuer un cycle de traitement à concentration progressive. En effet, périodiquement, par exemple tous les jours, on peut augmenter la concentration en actif, par ouverture d'un sachet supplémentaire. Having a variable number of sachets in the container is interesting from an industrial point of view, because this allows, starting from the same type sachet (and containing the same product), to obtain final products, concentration and therefore variable activity, adapted to the specific needs of the user. This allows, according to a particular mode of use, to perform a treatment cycle with progressive concentration. Indeed, periodically, by example every day, we can increase the concentration of active ingredient, by opening an additional sachet.

La figure 5 illustre un autre mode de réalisation du récipient extérieur 2. Selon ce mode de réalisation, le récipient extérieur est obtenu à partir d'une gaine souple 17. La gaine 17 est formée d'une feuille, par exemple en matériau thermoplastique, et soudée le long d'une ligne longitudinale de soudure 2a. La gaine 17 comporte deux extrémités opposées 18 et 19, obtenues par une soudure transversale 2c, 2d, pour former le fond et le haut du récipient extérieur 2.Figure 5 illustrates another embodiment of the outer container 2. According to this embodiment, the outer container is obtained from a flexible sheath 17. The sheath 17 is formed of a sheet, for example of material thermoplastic, and welded along a longitudinal weld line 2a. The sheath 17 has two opposite ends 18 and 19, obtained by welding transverse 2c, 2d, to form the bottom and the top of the outer container 2.

A l'intérieur, le récipient extérieur 2 contient un sachet 4 renfermant un premier liquide B et une lingette absorbante A2 Le récipient extérieur 2 contient, en outre, un second liquide A1, dans lequel « baignent » le sachet 4 et la lingette A2. Cet ensemble permet d'obtenir, après ouverture du sachet 4, l'imprégnation de la lingette A2 par un mélange formé « in situ » par les composantes A1 et B.Inside, the outer container 2 contains a sachet 4 containing a first liquid B and an absorbent wipe A 2 The outer container 2 also contains a second liquid A 1 , in which the sachet 4 and the wipe "bathe" A 2 . This assembly makes it possible to obtain, after opening the bag 4, the impregnation of the wipe A 2 by a mixture formed "in situ" by the components A 1 and B.

La figure 6 représente un ensemble 1 comportant dans un récipient extérieur 2, une pluralité de lingettes absorbantes A2, et un sachet 4 rempli d'un liquide B. En comprimant le récipient extérieur 2, le sachet 4 est pris entre les deux volets 30a, 30b d'une pince 30, réalisée en un matériau rigide ou semi-rigide. En comprimant ces deux volets 30a, 30b de la pince, la pression exercée se repartit sur toute la surface du sachet, facilitant ainsi l'ouverture de ce dernier et favorisant l'écoulement du liquide B sur les lingettes. Le récipient 2 est pourvu d'une ouverture 34, fermée hermétiquement par une étiquette autocollante 32, de manière amovible. Du fait de ses propriétés autocollantes, la refermeture de l'ouverture 34 peut être assurée. Ainsi, après ouverture du sachet 4 et imprégnation des lingettes A2 par le liquide B, en saisissant une portion de préhension 36 de l'étiquette 32, l'utilisateur peut enlever l'étiquette et extraire du récipient 2 une lingette prête à l'emploi. Pour préserver les lingettes restantes, il referme alors l'ouverture 34 en recollant l'étiquette sur les bords de celle-ci.FIG. 6 represents an assembly 1 comprising in an external container 2, a plurality of absorbent wipes A 2 , and a bag 4 filled with a liquid B. By compressing the external container 2, the bag 4 is taken between the two flaps 30a , 30b of a clamp 30, made of a rigid or semi-rigid material. By compressing these two flaps 30a, 30b of the clamp, the pressure exerted is distributed over the entire surface of the sachet, thus facilitating the opening of the latter and promoting the flow of liquid B on the wipes. The container 2 is provided with an opening 34, hermetically closed by a self-adhesive label 32, in a removable manner. Due to its self-adhesive properties, the reclosure of the opening 34 can be ensured. Thus, after opening the bag 4 and impregnating the wipes A 2 with the liquid B, by gripping a gripping portion 36 of the label 32, the user can remove the label and extract from the container 2 a wipe ready for employment. To preserve the remaining wipes, he then closes the opening 34 by gluing the label on the edges thereof.

La figure 7 représente une vue en perspective, d'une pluralité de sachets solidaires les uns des autres. Le liquide contenu dans chaque sachet peut être de variable quant à sa nature et quant à sa concentration. Figure 7 shows a perspective view of a plurality of sachets in solidarity with each other. The liquid in each sachet can be variable as to its nature and as to its concentration.

L'invention permet une grande liberté en ce qui concerne la mise en contact de plusieurs éléments de nature, de consistance, de structure, de solubilité ou de compatibilité respective différentes, et ceci selon des modes d'application variables, adaptés aux besoins individuels de l'utilisateur.The invention allows great freedom with regard to the contacting of several elements of nature, consistency, structure, solubility or respective respective compatibility, depending on application modes variables, adapted to the individual needs of the user.

Ainsi, l'invention, sous ses différentes formes de réalisation, permet notamment, et ce de manière économiquement avantageuse :

  • d'imprégner une ou plusieurs structures absorbantes avec au moins un actif liquide ;
  • de mettre en contact au moins une structure absorbante pré-imprégnée avec au moins un actif liquide ;
  • d'imprégner une structure absorbante avec deux liquides non solubles l'un dans l'autre ;
  • d'imprégner une structure absorbante avec un mélange de plusieurs actifs devant être stockés séparément et mélangés juste avant leur emploi ;
  • de conditionner dans plusieurs sachets un même type d'actif à concentration variable ;
  • lors de l'imprégnation de la structure absorbante, de solubiliser une poudre dans au moins une composante liquide, laquelle poudre est stable sous forme solide et se dégrade rapidement lorsqu'elle est en solution, la poudre et le liquide étant disposés séparément chacun dans un sachet. Alternativement, la poudre est disposée avec la structure absorbante directement dans le récipient et le liquide. est disposé dans un sachet. Inversement, il est possible de disposer la poudre dans un sachet et de conditionner le liquide avec la structure absorbante dans le récipient ;
  • de modifier, au cours d'un cycle de traitement, successivement la concentration d'une ou plusieurs composantes liquides, conditionnées chacune dans un sachet distinct, le récipient contenant une pluralité de structures absorbantes. Avant prélèvement de l'une des structures absorbantes, l'ensemble des structures absorbantes disposées dans le récipient pouvant être imprégné par une composante supplémentaire par ouverture d'au moins un sachet supplémentaire.
Thus, the invention, in its various embodiments, allows in particular, and this in an economically advantageous manner:
  • impregnating one or more absorbent structures with at least one liquid active ingredient;
  • bringing at least one prepreg absorbent structure into contact with at least one liquid active ingredient;
  • impregnating an absorbent structure with two liquids which are not soluble in each other;
  • impregnating an absorbent structure with a mixture of several active ingredients which must be stored separately and mixed just before their use;
  • to package in several sachets the same type of active ingredient with variable concentration;
  • during the impregnation of the absorbent structure, to dissolve a powder in at least one liquid component, which powder is stable in solid form and degrades quickly when it is in solution, the powder and the liquid being disposed separately in a bag. Alternatively, the powder is placed with the absorbent structure directly in the container and the liquid. is placed in a sachet. Conversely, it is possible to place the powder in a sachet and to condition the liquid with the absorbent structure in the container;
  • to modify, during a treatment cycle, successively the concentration of one or more liquid components, each packaged in a separate sachet, the container containing a plurality of absorbent structures. Before removal of one of the absorbent structures, all of the absorbent structures arranged in the container can be impregnated with an additional component by opening at least one additional sachet.

Dans la description détaillée qui précède, il a été fait référence à des modes de réalisation particuliers 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 particular realization of the invention. It is obvious that there are variations be made without departing from the spirit of the invention as claimed below.

Claims (20)

  1. Unit (1) for packaging at least one absorbent structure (A, A1, A2), particularly a wipe, a patch or a mask, and intended to be impregnated with a liquid composition, of which at least one component (B, C), preferably liquid, is packaged separately from the said absorbent structure, the said absorbent structure being intended after impregnation with the said liquid composition to be applied to a support, particularly the skin or the hair, the said unit (1) comprising a flexible-walled container (2) containing the said absorbent structure (A, A1, A2) and at least one sachet (4) containing the said component (B, C), the said sachet being capable of opening in response to pressure exerted on the said sachet via the flexible walls of the container (2), so as to cause the said absorbent structure (A, A1, A2) to become impregnated with the said liquid composition containing the said component (B, C), the said sachet (4) and the said absorbent structure (A, A1, A2) being free inside the container (2), the said container being designed so that it can be opened so that the absorbent structure thus impregnated can be extracted so that it can be applied to the said support, characterized in that the said container is capable of being kneaded in order to achieve homogenous impregnation of the absorbent structure.
  2. Unit according to Claim 1, characterized in that the container comprises a body, the dimensions of which are markedly greater than the dimensions of the sachet.
  3. Unit according to Claim 1, characterized in that the said container (2) and the said sachet (4) are closed along at least one sealed edge (2a-2d, 4a-4d), the resistance of the sealed edge (2a-2d) of the container (2) to pressure being higher than the resistance of the sealed edge (4a-4d) of the sachet (4) to pressure.
  4. Unit according to Claim 1 or 3, characterized in that the sachet consists of at least one sheet, the edges (4a-4d) of which are welded or bonded.
  5. Unit according to Claim 3 or 4, characterized in that the said sachet (4) is made of a thermoplastic film, at least one of the sealed edges (4a-4d) being capable of opening under the effect of the said pressure.
  6. Unit according to any one of Claims 1 to 5, characterized in that it contains an element (30), preferably a rigid element, capable of encouraging the sachet to open in response to the said pressure.
  7. Unit according to any one of Claims 1 to 6, characterized in that the container is intended to be opened via a detachable portion (10) of the said container.
  8. Unit according to any one of Claims 1 to 6, characterized in that the container (2) comprises repositionable means (32) of opening and of closure, particularly a self-adhesive sticker.
  9. Unit according to any one of Claims 1 to 8, characterized in that the container (2) is made of at least one sheet consisting of at least one thermoplastic layer.
  10. Unit according to any one of Claims 1 to 9, characterized in that the container (2) is made of a thermoplastic/metal/thermoplastic or polyethylene terephthalate/polyethylene/ceramic/polyethylene (PET/PE/SiOx/PE) multilayer complex.
  11. Unit according to any one of the preceding claims, characterized in that the container (2) is, at least in part, transparent or translucent.
  12. Unit according to one of Claims 1 to 11, characterized in that the said absorbent structure (A, A1, A2) consists of at least one layer made up of woven or nonwoven, natural or synthetic fibres, or of open-cell or semi-open-cell foam, or of felt.
  13. Unit according to one of Claims 1 to 12, characterized in that the absorbent structure (A2) is cut to shape according to the configuration of the support that is to be treated.
  14. Unit according to any one of Claims 1 to 13, characterized in that, inside the container, the sachet (4) is folded so as to define at least two flaps between which the said absorbent structure (A2) is arranged.
  15. Unit according to Claim 14, characterized in that the sachet (4) comprises two distinct compartments capable of opening in response to the said pressure.
  16. Unit according to any one of Claims 1 to 15, characterized in that prior to it being brought into contact with the component (B, C) contained in the sachet (4), the said absorbent structure is impregnated with at least one cosmetically or dermo-pharmaceutically active agent chosen from thickeners, gelling agents, physiologically compatible solvents, water, mono- or polyalcohols; oils, pH regulators, emulsifiers; dry extracts of biological origin; collagens and their derivatives, possibly freeze-dried, agents which stimulate the microcirculation of the blood in the dermis or angiogenesis, active ingredients for stretching out wrinkles or plant proteins.
  17. Unit according to any one of Claims 1 to 16, characterized in that the component (B, C) contained in the sachet (4) is a liquid containing a cosmetically or dermo-pharmaceutically active agent chosen from vitamins, slimming agents, enzymes, moisturizers or anti-ageing agents.
  18. Unit according to Claim 17, characterized in that the cosmetically or dermo-pharmaceutically active agent (B, C) is chosen from vitamin C, vitamin A, vitamin E or their derivatives, alpha- and beta-hydroxy acids, citric acid, essential oils, caffeine, kojic acid, hydroquinone, nicotinic acid esters, beta-carotene, urea or glycerol.
  19. Unit according to any one of Claims 1 to 18, characterized in that it comprises at least two sachets arranged freely inside the said container, each of the sachets comprising a component (B, C) to be incorporated into the said liquid composition.
  20. Use of a unit (1) according to any one of the preceding claims for the cosmetic treatment of the human skin and its superficial body growths.
EP00925384A 1999-05-04 2000-05-04 Assembly for spontaneously contacting at least two elements and use thereof Expired - Lifetime EP1094976B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9905648 1999-05-04
FR9905648A FR2793220B1 (en) 1999-05-04 1999-05-04 ASSEMBLY FOR THE EXTEMPORANEOUS CONTACT OF AT LEAST TWO ELEMENTS, USE OF SUCH AN ASSEMBLY AND METHOD OF TREATMENT
PCT/FR2000/001200 WO2000066455A1 (en) 1999-05-04 2000-05-04 Assembly for spontaneously contacting at least two elements and use thereof

Publications (2)

Publication Number Publication Date
EP1094976A1 EP1094976A1 (en) 2001-05-02
EP1094976B1 true EP1094976B1 (en) 2004-08-11

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EP00925384A Expired - Lifetime EP1094976B1 (en) 1999-05-04 2000-05-04 Assembly for spontaneously contacting at least two elements and use thereof

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US (1) US6945402B1 (en)
EP (1) EP1094976B1 (en)
JP (1) JP2002543009A (en)
AT (1) ATE273201T1 (en)
CA (1) CA2335905C (en)
DE (1) DE60012845T2 (en)
ES (1) ES2225127T3 (en)
FR (1) FR2793220B1 (en)
WO (1) WO2000066455A1 (en)

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Also Published As

Publication number Publication date
CA2335905A1 (en) 2000-11-09
FR2793220A1 (en) 2000-11-10
ATE273201T1 (en) 2004-08-15
WO2000066455A1 (en) 2000-11-09
EP1094976A1 (en) 2001-05-02
US6945402B1 (en) 2005-09-20
DE60012845D1 (en) 2004-09-16
DE60012845T2 (en) 2005-09-01
ES2225127T3 (en) 2005-03-16
CA2335905C (en) 2005-11-29
JP2002543009A (en) 2002-12-17
FR2793220B1 (en) 2001-06-01

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