EP1312279A1 - Ensemble de conditionnement et d'application d'un produit - Google Patents

Ensemble de conditionnement et d'application d'un produit Download PDF

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Publication number
EP1312279A1
EP1312279A1 EP02292650A EP02292650A EP1312279A1 EP 1312279 A1 EP1312279 A1 EP 1312279A1 EP 02292650 A EP02292650 A EP 02292650A EP 02292650 A EP02292650 A EP 02292650A EP 1312279 A1 EP1312279 A1 EP 1312279A1
Authority
EP
European Patent Office
Prior art keywords
assembly according
application
product
chimney
cavity
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.)
Withdrawn
Application number
EP02292650A
Other languages
German (de)
English (en)
French (fr)
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 EP1312279A1 publication Critical patent/EP1312279A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/04—Means for mixing or for promoting flow of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/42—Closures with filling and discharging, or with discharging, devices with pads or like contents-applying means
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/10—Details of applicators
    • A45D2200/1009—Applicators comprising a pad, tissue, sponge, or the like
    • A45D2200/1018—Applicators comprising a pad, tissue, sponge, or the like comprising a pad, i.e. a cushion-like mass of soft material, with or without gripping means

Definitions

  • the present invention relates to a packaging assembly and application of a fluid product, in particular with a liquid consistency or under powder form.
  • the invention is particularly intended for packaging and application of cosmetic or care products such as liquid foundations, nail polishes, lipsticks, creams, oils, hair treatments, etc.
  • Applications in other fields can also be envisaged, for example in the field of glues, correctors of writing, household stain removers, shoe polish, etc ...
  • detaching buffers consisting of a tank of product surmounted by a neck at the top of which is placed an applicator in the form of a foam pad which is applied to a surface to be treated, for example on the skin or on a fabric.
  • the applicator pad being confined in the upper part of the neck. Loading product with it requires turn it over and press its application surface several times on the support to treat in order to "pump” and load it with product before proceeding to its application, the pressure exerted on the applicator, causing the opening of a valve which, in the closed position, isolates the applicator from the product.
  • these applicators usually containing volatile formulas, dry out often quickly during the storage period causing formation a crust on the applicator.
  • the applicator pad is isolated from the produced by means of a valve, which further accelerates the drying out of the applicator, sometimes rendering it unusable after a long period of time which it has not been used or requiring cleaning operations prior to any new use.
  • Patent application EP-A-0 872 193 in the name of the applicant, describes a set for applying a liquid product comprising a reservoir for product. It has a neck with a free edge defining an opening, means removable for sealingly sealing said opening being provided.
  • the application surface is axially movable between a first position in which the application surface emerges outside the neck through said opening, for the application of the product, and a second position in which said application surface is contained at inside the tank. Moving from the first position to the second position of the application surface is effected by an elastic push to against a sealing means, a displacement of the surface from the second position to the first being carried out by removal of said plugging means.
  • the applicator is configured in such a way that the product is distributed throughout the applicator, before reaching the application surface.
  • the applicator can thus be saturated with product before the product reaches the application surface. So when the user applies the applicator to the area to be treated, a relatively small amount significant amount of product tends to flow over the area to be treated.
  • the product is pushed towards the applicator by pressing the flexible walls of the tank. The user can permanently press the tank walls, the product can flow with a very high flow rate.
  • Patent application EP-A-1 125 517 also describes a device application in which the applicator is configured in such a way that the product is distributed throughout the applicator, before reaching the surface application. The applicator can thus be saturated with product before the product does not reach the application surface.
  • Patent application EP-A-0 155 350 describes a device for applying a perfume or deodorant that includes a container topped with an applicator made of rigid porous material.
  • the product from the container is transported by gravity to the upper portion of the applicator, turning the device over, through a cylindrical wall on which the applicator is in axial abutment.
  • the product then reaches the application surface by flowing through applicator pores, by capillary action.
  • the product cannot be kept close to the application surface and it is necessary to invert the device, before each use, so that the product flows through gravity through the cylindrical wall.
  • Patent application EP-A-0 875 465 describes a device for applying a shoe polish to apply a predetermined dose of shoe polish.
  • These measures includes a product reservoir on which an applicator is mounted, via a intermediate piece which has a movable part between two positions.
  • the intermediate piece delimits a chamber which, in one of the two positions communicates only with the interior of the tank and, in the other of the two positions, communicates only with the applicator.
  • the chamber can be filled with product by gravity, turning the upside down device, the moving part being held in this position by a spring.
  • the user must hold the device upside down and apply the applicator to the area to be waxed, so as to push the part mobile in the second position so that the product reaches the applicator.
  • the spring resiliently returns the moving part to its first position when the application stops.
  • Such a device can only be used upside down which is not always practical, especially when you want to apply a product on the body, for example on an area of the face.
  • the term "closed end of the member" of application constituting the application surface" an application surface such only when we return the set and no axial stress is exerted on the application surface, the product does not flow outside the assembly through said application surface. This avoids that product does not flow without being desired so that the risks of untimely soiling is limited.
  • the assembly can be configured so that it is stored upside down without any product leakage.
  • the product from the tank flows in the cavity, for example by shaking the packaging assembly and of application, then it flows into the application member, permeable to the product, to the application surface.
  • the thickness between the cavity and the surface measured along the X axis being less than the wall thickness side of the applicator member measured perpendicular to the X axis, the product reaches the application surface before reaching the rest of the surface end of the nozzle.
  • the product when the area of the applicator member located between the cavity and the application surface is saturated, the product can flow into the side wall so as to regulate the flow of product arriving at the application surface.
  • the presence of chimney also makes it possible to use a relatively thick applicator member, in other words having a relatively large axial height, while the portion of said applicator member, located above the cavity either thickness along the X axis, less than the thickness of said side wall measured perpendicular to the X axis.
  • the cavity being of variable volume, in particular in response to a pressure exerted axially on the application surface, the volume of this when pressure is applied to the application surface, especially when applying the application surface to the area to be treated.
  • the volume of the cavity increases so that product from the tank is drawn into the cavity. We can thus filling the cavity each time the application surface is applied on the area to be treated. In addition, it is thus possible to measure the quantity of product that it is applied, coming from the cavity, by playing on the pressure exerted on the application surface.
  • the cavity is configured so as to maintain by capillarity of the product from the reservoir.
  • the area of the largest cross section of the cavity can be less than that of the application surface.
  • the product being brought to the surface from the cavity the product reaches the surface in a portion of the surface of application substantially equal to the cross section of the cavity and therefore in a relatively limited area.
  • the area of the application surface comprising of the product being relatively limited the product can be applied relatively accurately.
  • the chimney is configured so as to maintain by capillarity of the product from the reservoir.
  • the side wall of the chimney can also be crossed by one or several slots extending axially over all or part of the chimney, the slits also allowing the product to be held by capillary action in the fireplace. Another reserve of product is thus formed which makes it possible to supply the cavity.
  • the chimney can have any shape that allows it to drain the product from the reservoir to the cavity, and this, after a simple agitation of the application set.
  • the shape of the chimney should also allow it to maintain a quantity of product by capillarity.
  • Her internal cross section can have any shape, for example circular, said section being able to be constant over its entire axial height or else may vary, in particular by increasing or decreasing, gradually or not, to the cavity.
  • the external cross section of the chimney is independent of its internal cross section. She can have any shape, in particular a shape complementary to the internal shape of the organ application.
  • the side wall of the applicator member can be in contact with the chimney.
  • the side wall of the applicator member is located at a distance from the fireplace. Such a configuration makes it possible to increase the capacity of the cavity located above the chimney, said cavity being extended around the fireplace.
  • the applicator member can be mounted on the reservoir via an element intermediate comprising said chimney.
  • the intermediate element can be made in one or more pieces.
  • the intermediate element may have a transverse wall above which the free end of the chimney projects, said transverse wall being flat, concave or convex.
  • a wall will be used concave transverse towards the inside of the tank, for example which forms a cone towards the chimney, so as to facilitate the transport of the product from the reservoir to the cavity.
  • the intermediate element can define a housing adapted to receive the organ application, said intermediate element having a cross section circular, oval, rectangular or polygonal.
  • the intermediate element advantageously comprises a side wall whose axial height is such, relative to the axial height of the applicator member, that it participates in the maintenance of said applicator member in the element intermediate when said applicator member is applied to an area to treat.
  • the intermediate element is mounted on the reservoir so as to be movable between two positions, a first position in which the product from the tank flows into the cavity with a first flow and a second position in which the product from the tank flows into the cavity with a second flow which can be zero.
  • the reservoir can in particular be surmounted by a hollow tip comprising a lateral orifice, the chimney then being configured so as to close said orifice when the application head is in the second position.
  • the applicator member is crossed by a passage, in particular in the form of one or more end channel (s) or one or more slot (s), opening onto the application surface, said passage being closed at rest.
  • This passage makes it possible to increase the dosing capacity and the flow rate of the product.
  • these can be arranged in cross-shaped or star-shaped.
  • the applicator member may be formed from a substantially rigid material, in particular a sinter, chosen in particular from sintered chloride polyvinyl, ethylene vinyl acetate, polyethylene, polyethylene terephthalate or polyamide.
  • the application body is advantageously mounted in the intermediate element on means elastically compressible which will be described later.
  • the applicator member may be formed, at least in part, of a elastically compressible material, especially cell foam closed, open or semi-open, chosen in particular from polyurethane, polyethylene, polyvinyl chloride, polyether, polyester, NBR (acrylonitrile butadiene rubber), SBR (styrene butadiene) rubber), or in a superposition of layers of one or more of these materials. These different layers can be welded or glued to each other. the other.
  • a elastically compressible material especially cell foam closed, open or semi-open, chosen in particular from polyurethane, polyethylene, polyvinyl chloride, polyether, polyester, NBR (acrylonitrile butadiene rubber), SBR (styrene butadiene) rubber), or in a superposition of layers of one or more of these materials. These different layers can be welded or glued to each other. the other.
  • Foams can be hydrophilic. They can be cross-linked or not crosslinked.
  • the product can move in the applicator member by compression / decompression of the compressible part of the organ application.
  • the compression of the portion of the applicator member located above the cavity can also cause the volume to vary of the cavity. We can thus dose the amount of product to be applied according compression of the applicator member by varying the pressure exerted on the application surface.
  • the packaging and application unit further comprises a member removable closure, in particular a screwed or slammed stopper or a hinged cover, for sealing the application surface of the applicator member, the closure member being for this purpose provided with a seal or a sealing lip.
  • a member removable closure in particular a screwed or slammed stopper or a hinged cover, for sealing the application surface of the applicator member, the closure member being for this purpose provided with a seal or a sealing lip.
  • the internal surface of the applicator member is supported on the free end of the chimney so as to close the passage so substantially sealed when the closure member is in the closed position.
  • the cavity is then removed.
  • the product can no longer leave the chimney so that the risk of leakage is almost nonexistent in the closed position of the closing member.
  • the compressible part of the applicator member is advantageously at least partially compressed when the closure member is in the closed position. So after shaking the application set to bring product into the cavity, the user opens the entire application which allows the applicator to relax and the product present in the cavity to be drawn into said product permeable application member, especially up to the application surface. We thus start the whole application automatically.
  • the application surface is axially movable between a first position in which said surface application emerges from the reservoir through an opening defined by an edge tank free, and a second position in which the application surface is contained inside the tank. So, in the closed position of the assembly, the applicator member is completely housed inside the reservoir so that the overall size of the assembly is limited. Furthermore, in this position the sealing the assembly is relatively simple to obtain.
  • the packaging and application assembly comprises elastically compressible means allowing the application surface to move from its first to its second position, said means elastically compressible with compressibility greater than compressibility of the application body.
  • the elastically compressible means may consist of an element separate from the applicator, especially when the latter is formed rigid material. They consist for example of at least one block of material elastically deformable, in particular a block of foam, preferably open or semi-open cells or a spring element, especially metal or plastic.
  • the elastically compressible means consist of at least at least a portion of said applicator member, configured so as to have greater compressibility than that of the rest of the organ application.
  • the difference in compressibility between the applicator member and the elastically compressible means may result from the presence of a recess formed by said applicator member on at least part of its periphery.
  • the difference in compressibility between the organ of application and the elastically compressible means may result from the presence of an area of smaller cross section, relative to the cross section of the rest of the applicator member.
  • the applicator member can be removably fixed in the reservoir, in particular by reversible bonding, by magnetic attraction or by mechanical snap-in.
  • the application member is for example fixed from removably on the tank by means of an adhesive which adheres to one of said applicator member and said reservoir more than the other.
  • the applicator member can be fixed in the reservoir by magnetic attraction, for example thanks to the presence of a magnetic plate which cooperates with a tin plate placed in the tank.
  • the application organ can have any form, in particular a section transverse which can be circular, oval, rectangular or polygonal.
  • the application surface of the application member can be of concave profile, convex, in particular in the form of a dome.
  • the shape of the surface of application is chosen, in particular, according to the nature of the product to apply and the area to be treated. Also, to apply a moisturizer for the face, for example, a dome shape will be chosen.
  • the application surface can be covered with a permeable coating of textile type, perforated plastic, felt, and / or covered with a flocking which can be, for example, made up of bristles of different diameters, and / or nature, and / or height or a mixture of such hairs.
  • the second end of the member application has a planar, concave or convex profile, the profile of the second end having a shape complementary to the shape of the transverse wall of the housing in which the applicator member is mounted.
  • the applicator member contains an agent capable of absorbing and / or retain a fluid, in particular the product to be applied. We thus further limit plus unfortunate product leaks.
  • the applicator member is able to increase by volume when loaded with product. This improves its retention in the intermediate element.
  • the reservoir is consisting of a body with rigid or semi-rigid walls, in particular made of metal, glass, of thermoplastic material chosen in particular from polyethylenes, polypropylenes, polyvinyl chlorides, polyethylene terephthalates or of thermosetting material, and contains the product substantially at the atmospheric pressure.
  • the product is then for example brought into the cavity by a simple shake the entire application.
  • the product is not pushed into the cavity with very high pressure so as to avoid a flow of too important product.
  • it allows the use of a set in which the applicator member is not necessarily fixed irreversibly on The reservoir.
  • Movable means of the ball or counterweight type can be arranged at inside the tank so as to promote the homogenization of the product and thus promoting the flow of the product in the cavity, via the delimited passage by the fireplace.
  • a means is then provided to prevent the means movable to block the passage, for example a bead or fins arranged around the passage delimited by the chimney.
  • the product can be a cosmetic product, such as a nail polish, a red to liquid lips, a cream, a lotion, an oil, a powder, a makeup remover, a solvent, a liquid foundation, a coloring composition, discoloration, a perm or a glue, a corrector of writing, a stain remover or shoe polish.
  • a cosmetic product such as a nail polish, a red to liquid lips, a cream, a lotion, an oil, a powder, a makeup remover, a solvent, a liquid foundation, a coloring composition, discoloration, a perm or a glue, a corrector of writing, a stain remover or shoe polish.
  • the invention also relates to a method for applying a product, in particular cosmetic, by means of an assembly as just described, consisting in agitating said assembly in order to bring product into said cavity; and to bring the application surface into contact with an area to be treated, the flow of product transferred to the area to be treated varying according to the pressure exerted on the application surface.
  • FIGS 1 to 3 illustrate a first embodiment of the packaging and application assembly according to the invention.
  • This set comes in the form of a bottle applicator for a product P, of the liquid cream or liquid foundation type, and mainly comprises a reservoir 10 consisting of a body 11, one of which end is closed by a bottom 12.
  • the other end of the tank 10 is surmounted by an application head which comprises an intermediate element 13 intended for mounting the head on the reservoir and an applicator member 20 housed in the intermediate element.
  • the intermediate element 13 has on its external surface of the means 130 (type of screw or snap-off cord) to allow the removable mounting of a plug 40 capable of closing so watertight an opening 131 delimited by a free edge 132 of the element intermediate 13.
  • a ball 60 is arranged inside the tank for homogenize the product to facilitate its flow.
  • the internal wall of the intermediate element 13 defines a cylindrical housing internal 133, of revolution around an axis X.
  • This housing 133 comprises a side wall 134 and a flat transverse wall 135 constituting the bottom of the housing.
  • a mounting skirt 136 extends the side wall, beyond the transverse wall, opposite the opening 131 of the intermediate element.
  • the mounting skirt 136 is fixed, by snap, on the tank body, at the top which is provided with a radial projection 14, opposite the bottom 12.
  • This system of breakdown can of course be replaced by any other fixing system, in particular a screw fixing system.
  • a sealing skirt 137 is advantageously provided on the transverse wall 135 of the housing, to come in tight contact with the inside of the tank.
  • the body 11 of the tank, the intermediate element 13 and the plug 40 are made of material rigid, for example made of polyethylene. It is obvious that these three elements independent can each be made of a different material.
  • the housing 133 communicates with the interior of the tank via a passage 139 crossing a chimney 15 extending in the axis of the housing.
  • the fireplace is formed in one piece with the transverse wall 135 from which it extends to a free end 150, located inside the housing 133.
  • the chimney has a circular internal cross section, constant all along its axial height, while its external cross-section decreases up to free end 150.
  • the diameter of the chimney is chosen according to of the product contained in the tank, so that the product from of the tank can flow into the chimney by a simple shake of all.
  • the diameter of the chimney is also chosen so that the product entering the chimney can be maintained by capillarity inside said chimney.
  • 138 fins are provided on the transverse wall 135 of the housing, around the entrance to the chimney 15, on the side of the reservoir 10, to avoid the ball 60 disposed in the tank to close off said chimney.
  • An applicator member 20 is mounted inside the housing 133 around the chimney 15.
  • the applicator is in the form of a block of porous material, at least part of which is elastically compressible.
  • the application member is produced by a block of open cell foam, including a block of open cell foam polyurethane.
  • the applicator member 20 can be formed of a axial succession of at least two portions of foam, of compressibility that can be glued together.
  • the organ Application 20 contains an agent capable of absorbing and / or retaining water.
  • the applicator member has a cylindrical shape and has a circular cross section. It is obvious that the organ of application may have any other form, for example frustoconical or prismatic and may have an oval, rectangular or polygonal.
  • the applicator member 20 has a side wall 21, one end of which 22 constitutes a dome-shaped application surface. If applicable, the application surface 22 can be covered with a permeable coating, textile type, perforated plastic, felt, and / or is covered with a flocking. In this case, the flocking can consist of bristles of different diameters, and / or different nature, and / or different height or a mixture of such hairs.
  • the application member ends with a second open end 24 which comes into contact with the wall 135 of the housing.
  • the end 24 can be fixed so permanent to the intermediate element 13.
  • this end is detachably attached to allow easy removal of the organ for example to clean it.
  • the end 24 of the applicator member is covered with a permanent adhesive, for example a acrylic adhesive, which adheres more to the application member than to the wall 135.
  • a portion 23 of the side wall located on the side of the open end 24, serves of support to the application member.
  • the portion 23 serving to support the organ application is separated from the rest of the application member by a groove annular 50 which defines an area of least cross section.
  • the throat annular 50 provided on the periphery of the applicator member allows the area smaller cross section to have greater compressibility than the rest of the enforcement body. So when pressure is exerted on the application surface, maximum compression of the area of smallest section transverse is obtained before obtaining the maximum compression of the organ application.
  • the applicator member When the applicator member is mounted in the housing 133, it occupies substantially the entire housing, the applicator member having a shape substantially complementary to the shape of the housing.
  • the enforcement body 20 in particular has an axial recess 25 whose shape is chosen to so that the applicator member comes to bear on the wall of the chimney, without being substantially compressed laterally by said chimney.
  • the side wall of the applicator member can be located at distance from the chimney.
  • the axial recess 25 In the relaxed position of the application member, the axial recess 25 has a substantially greater axial height than the axial height of the chimney 15 so as to define an internal cavity 30 to inside the applicator member, between an internal surface 26 located at look of the chimney and the free end 150 of the chimney.
  • Portion 27 of the applicator member located above the cavity 30 has an axial thickness less than the thickness of the side edge 21 of the applicator member measured perpendicular to the X axis.
  • the cavity 30 thus constitutes a reserve of product near the application surface, the product cannot come to the contact of the applicator member only in the cavity.
  • the surface of the cross section of the cavity 30 is less than the area of the section cross-section of the application surface. The product therefore arrives at the level of application surface 22 in a relatively limited area allowing a precise application.
  • an axial slot 28 advantageously passes through the member of application, in the X axis, from the cavity 30 to the application surface 22. The width of this slit may vary depending on the viscosity of the product and desired flow.
  • the applicator member has a diameter of between 2 mm and 80 mm, and preferably between 5 mm and 25 mm. Its height, in uncompressed position can vary between 1.5 mm and 50 mm.
  • the fireplace has a axial height between 1 mm and 48 mm and a diameter between 2 mm and 30 mm.
  • the cavity has a diameter substantially equal to that of the chimney and a height between 1 mm and 30 mm.
  • the applicator member 20 includes pores or cells open, of average size between 0.5 ⁇ m and 3 mm.
  • cells or pores communicate with each other, so omnidirectional.
  • the plug 40 in the illustrated storage position, the plug 40 is in closed position.
  • the applicator member 20 is partially compressed so that the cavity 30 is removed.
  • the internal wall 26 of the applicator member abuts against the free end 150 of the chimney.
  • the area of the applicator member of smallest cross section located at the throat height 50 is also compressed.
  • the application surface 22 is entirely inside the intermediate element 13.
  • the assembly has been freed from its plug 40.
  • the foam block relaxes, causing cavity 30 to form and the suction of the product into the cavity, the product having been previously supplied in the chimney 15.
  • product may also be pumped into the foam cells located near the cavity 30.
  • the foam block is no longer compressed. The surface 22 then emerges outside of the intermediate element 13, above of the free edge delimiting the opening 131, and occupies a position, called position of use.
  • the user shakes the packaging and application unit in order to bring product into the chimney 15.
  • Product is then maintained by capillary action inside the chimney 15. It then removes the plug 40, which causes the decompression of the foam block 20 forming the applicator member and the area of the applicator member located at the level of the groove 50, so that the application surface 22 emerges from the intermediate element 13.
  • the height of the applicator member 20 increases less than the height of the foam block area located at the throat.
  • the decompression of the applicator member 20 is accompanied by the formation of the cavity 30, a suction of the product P in said cavity 30, and if necessary, pumping the product into the foam cells located near the cavity 30.
  • the portion 27 of the applicator member located between the cavity 30 and the application surface 22 is then saturated with product while the wall side 21 of the applicator member is not, this wall then serving to buffer reserved for the product.
  • the portion 27 of the applicator member located between the cavity 30 and the surface 22 is not completely saturated, just slightly compress the application member 20 by applying the application surface 22, for example on the area to be treated, and to release the pressure so as to relax the organ application so that, during this expansion, the product present in the cavity 30 is pumped by the foam cells to the application surface 22.
  • the operation of applying a dose of product P to the support to be treated is the next.
  • the user applies the application surface 22 to the support, and exerts pressure on the application member depending on the dose of product desired pressure which causes partial compression of the organ of application and the output of a dose of product, the volume of the cavity being further reduced during this compression. Too much pressure, which could cause excess product to exit, possibly causing soiling, is further compensated by the presence of the groove 50. Indeed, the area of the applicator member of smallest cross section located at the height of the groove 50 then limits the pressure exerted, by compressing at its tower.
  • the applicator member can be configured so that in the closed position of the plug, the cavity 30 is not completely removed, the volume of said cavity then being only reduced compared to its volume in the relaxed position of the applicator member.
  • the applicator member 20a has an applicator surface 22a whose shape general is convex and which includes a small concave portion 22a '. This shape is particularly advantageous because it makes it possible to limit the thickness of foam 27 located between the application surface 22a 'and the cavity 30a.
  • This figure also shows a variant of the intermediate element 13a, in particular of the chimney 15a capable of replacing the chimney 15 of the Figures 1 to 3.
  • the chimney 15a has an internal cross section which is not constant over its entire height. Indeed, the fireplace has a first diameter on the side of the tank, then it has a step 15a ' beyond which it has a second constant diameter until its free end so that the internal cross section of the chimney is greater over a portion of its axial height located opposite the tank than on the rest of its height.
  • Such a configuration allows the more easily enter the chimney 15a due to its more large section, on the tank side.
  • FIG. 5 there is shown a variant of the applicator member 20b suitable replacing the applicator member 20 of FIGS. 1 to 3.
  • the applicator member 20b does not include compressible means elastically additional.
  • the member 20b In the closed position of the plug 40b, the member 20b is not compressed, the application surface 22b extends beyond the free edge 132b of the intermediate element 13b and a cavity 30b is formed between the end free 150b of the chimney and the internal surface 26b.
  • the organ application is kept in the housing simply by pressure side exerted by the side wall 134b of the housing on the side wall 21b of the application body.
  • the packaging unit when the packaging unit is agitated and application, whether the cap is closed or not, the product is brought into the cavity 30b, via the chimney 15b where it is maintained by capillarity.
  • the user then apply the application surface to the area to be treated by compressing in particular the portion of the applicator member 20b located between the surface application and cavity.
  • the product present in the cavity 30b is then pumped in the cells of the application organ and brought to the application surface.
  • FIG. 5 also shows a variant of the chimney 15b.
  • the chimney 15b this time has an internal cross section which decreases gradually from the side wall 135b to the free end 150b from the fireplace. This configuration of the chimney promotes the flow of product from the reservoir to the cavity 30b.
  • FIG. 6 there is shown a chimney 15c which this time has a section internal transverse which increases gradually from the wall transverse 135c to the end 150c of the chimney.
  • the wall side of the chimney 15c is crossed by at least one axial slot 151c provided over part of its height. This slot 151c makes it possible in particular to maintain the product by capillarity in the chimney.
  • the transverse wall 135c is concave towards the inside of the tank in order to facilitate the flow of product in the chimney.
  • the applicator member 20c shown is identical to the applicator member 20b of FIG. 5, except that its application surface 22c is slightly concave and that its end 24c, opposite the application surface is concave profile towards the inside of the tank in order to adapt to the profile of the wall transverse 135c.
  • FIG. 7 illustrates a variant of the intermediate element 13d and of the end upper part of the tank body 11d, the applicator member 20d shown on this figure being identical to that represented in figure 5 except that it is consisting of a stack of three blocks 120d, 220d and 320d of foam different nature, glued together.
  • the tank body 11d this time has on its outer surface a 16d thread to allow removable mounting of the plug 40.
  • the wall side 134d of the intermediate element 13d comprises a portion 134d 'which is housed inside the tank while being in tight contact with the wall inside the tank, and a second portion 134d "which rests on a free edge of the tank.
  • FIGs 8a and 8b there is shown an applicator member 20f in rigid and porous material, for example made of a polyethylene frit which is mounted in the intermediate element on a spring 51f.
  • the assembly is in the open position.
  • the spring 51f is in the relaxed position and the application surface 22f emerges outside of the intermediate element 13f, above of the free edge 132f delimiting the opening of the intermediate element.
  • a cavity 30f is formed between the free end 150f of the chimney 15f and the internal surface 26f of the applicator member.
  • the cap 40f is in the closed position.
  • the spring 51f is then compressed and the application surface 22f is entirely inside of the intermediate element 13f.
  • the internal wall 26f of the applicator member then comes to bear against the free end 150f of the chimney eliminating thus the cavity 30f.
  • the product is brought into the chimney and into the cavity by shaking the assembly, then it flows to the application surface at through pores of the applicator member.
  • the product arriving on the surface cannot to flow out of this surface only when it is brought into contact with a surface, in particular the surface to be treated.
  • FIG. 9 illustrates another variant of the applicator member 20e capable of replace the applicator member 20 of FIGS. 1 to 3.
  • the 21st side walls of the applicator member consist of a first foam block.
  • This block of foam can be open cell or closed cells.
  • the upper end 22e of the applicator member forming the application surface consists of a block of cell foam open in the form of a cap which is welded to the 21st portion.
  • the organ 20e has an axial recess 25e comprising a portion cylindrical in which the chimney is located and a frustoconical portion which flares from the cylindrical portion to the internal surface 26e of the cap so as to delimit the internal cavity 30e.
  • This variant can by example be used to apply a cosmetic product in the form of powder.
  • the variant of the applicator member 20i illustrated in FIG. 10 differs from that illustrated in Figure 9 in that the upper end 22i is this time consisting of a sheet of nonwoven or of a woven fabric which is fitted around the side wall 21 i.
  • FIG. 11 a variant of the application assembly is shown in which the intermediate element 13j is made in two pieces.
  • the chimney 15j is snap-fitted into the wall transverse 135d.
  • the chimney 15j is also integral with an axial skirt 134j around which the applicator member 20j is fitted.
  • the organ 20j application includes a side wall 21j formed by a foam block cylindrical hollow and by an upper end 22j, welded to the wall lateral 21j, in the form of a cap.
  • Figures 12 and 13 illustrate another variant of the applicator member 20k and 201 suitable for replacing the applicator member 20 of FIGS. 1 to 3.
  • the application surfaces 22k and 22l are covered with an envelope 122k and 1221 in rigid plastic, or in elastomer, which is perforated a plurality of orifices 222k and 222l allowing the product to flow.
  • the envelope 122k is fixed to the member application so that it can slide in the intermediate element when the application organ is compressed.
  • the casing 122l is fixed to the intermediate piece 13l and includes a bellows 111 allowing it to deform when the foam block constituting the application organ is compressed.
  • Figures 14a and 14b illustrate a second embodiment of the packaging and application unit according to the invention in which can be varied the rate with which the product flows in the cavity.
  • the set includes a 10g reservoir consisting of a body 11g of axis X, of which one end is closed by a 12g bottom and the other end is surmounted by an application head formed by an intermediate element 13g in which is housed an applicator member 20g.
  • the intermediate element 13g is this time slidably mounted on the tank body.
  • the body of the tank has a 16g thread, just below the element 13g intermediate, to allow removable mounting of a plug (not shown) capable of sealingly closing an opening delimited by the free edge 132g of intermediate element 13g.
  • a 17g nozzle is irreversibly mounted in the tank body along the X axis.
  • the 17g nozzle is a hollow body, communicating with the interior of the reservoir, formed of a first portion 170g of substantially shaped cylindrical on which the intermediate element 13g slides.
  • the 17g tip includes a second frustoconical portion 171g decreasing, from the cylindrical portion 170g, to a closed 172g end.
  • a side opening 176g is formed in the frustoconical part, near the 172g end.
  • the 172g end is connected to the rest of the tapered portion 171g by a pin 173g formed in the X axis of the reservoir, the pin 173g being integral with the portion frustoconical 171g by means of fins (not shown) formed in a plane perpendicular to the X axis.
  • the cylindrical portion 170g and the portion tapered 171g are connected by an annular transverse wall 174g whose diameter is slightly greater than the diameter of the cylindrical portion 170g so as to form an annular radial projection.
  • the transverse wall 174g has, around the base of the frustoconical portion 171g, a groove 175g ring finger.
  • the internal wall of the intermediate element 13g defines a cylindrical housing internal, of revolution around the X axis in which a member is mounted 20g application with a 30g cavity, substantially identical to that shown in Figure 5.
  • This housing has a side wall 134g and a 135g flat transverse wall constituting the bottom of the housing.
  • a skirt of mounting 136g extends the side wall, beyond the transverse wall, to the opposite of the opening of the intermediate element.
  • the 136g mounting skirt is ends with a radial projection 136g 'extending towards the inside of the tank, said projection 136g 'being mounted on the body of the tank, so as to slide on the cylindrical portion 170g of the nozzle 17g.
  • a 137g sealing skirt is provided on the 135g transverse wall of the housing.
  • the 137g sealing skirt cooperates with the 175g annular groove provided in the transverse wall 174g of the nozzle 17g, in which it slides tightly.
  • a 15g chimney is made in one piece with the transverse wall 135g from which it extends, along the X axis, to a free end 150g, located inside the housing and opening into the cavity 30g of the application body.
  • the chimney has a frustoconical shape, complementary to the tapered portion 171g of the mouthpiece 17g.
  • the chimney 15g is in watertight support on the frustoconical portion 171g of the nozzle 17g so that port 176g is closed.
  • the intermediate element 13g is moved along the X axis and the chimney is released of the frustoconical portion 171g of the nozzle 17g so that the orifice 176g is open thus putting the 30g cavity in communication with the inside of the tank via a 139g passage. It is obvious that the intermediate element 13g can take intermediate positions so as to vary the section of the 139g passage allowing the user to vary the flow rate with which the product flows into the 30g cavity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP02292650A 2001-11-19 2002-10-24 Ensemble de conditionnement et d'application d'un produit Withdrawn EP1312279A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0114928A FR2832297B1 (fr) 2001-11-19 2001-11-19 Ensemble de conditionnement et d'application d'un produit
FR0114928 2001-11-19

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EP1312279A1 true EP1312279A1 (fr) 2003-05-21

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US (1) US7125189B2 (zh)
EP (2) EP1312279A1 (zh)
JP (1) JP4086633B2 (zh)
CN (1) CN1183864C (zh)
BR (1) BR0204974A (zh)
CA (1) CA2410915C (zh)
ES (1) ES2502480T3 (zh)
FR (1) FR2832297B1 (zh)

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CN102740727A (zh) * 2009-11-25 2012-10-17 丹尼.L.黑尔 有色产品的包装

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Also Published As

Publication number Publication date
US7125189B2 (en) 2006-10-24
EP1312280A1 (fr) 2003-05-21
JP2003205961A (ja) 2003-07-22
EP1312280B1 (fr) 2014-06-25
CA2410915A1 (fr) 2003-05-19
BR0204974A (pt) 2003-09-16
FR2832297B1 (fr) 2004-08-06
ES2502480T3 (es) 2014-10-03
JP4086633B2 (ja) 2008-05-14
CA2410915C (fr) 2008-01-22
CN1419870A (zh) 2003-05-28
US20030129016A1 (en) 2003-07-10
FR2832297A1 (fr) 2003-05-23
CN1183864C (zh) 2005-01-12

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