EP1154710B1 - Applicateur pour substances pateuses - Google Patents

Applicateur pour substances pateuses Download PDF

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Publication number
EP1154710B1
EP1154710B1 EP99970004A EP99970004A EP1154710B1 EP 1154710 B1 EP1154710 B1 EP 1154710B1 EP 99970004 A EP99970004 A EP 99970004A EP 99970004 A EP99970004 A EP 99970004A EP 1154710 B1 EP1154710 B1 EP 1154710B1
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EP
European Patent Office
Prior art keywords
fabric
applicator
microns
woven
apertures
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
EP99970004A
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German (de)
English (en)
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EP1154710A1 (fr
Inventor
Donald P. Losier
Van Canady
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.)
Colgate Palmolive Co
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Colgate Palmolive Co
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Publication date
Application filed by Colgate Palmolive Co filed Critical Colgate Palmolive Co
Priority claimed from PCT/US1999/023287 external-priority patent/WO2000019860A1/fr
Publication of EP1154710A1 publication Critical patent/EP1154710A1/fr
Application granted granted Critical
Publication of EP1154710B1 publication Critical patent/EP1154710B1/fr
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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
    • 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
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/02—Casings wherein movement of the lipstick or like solid is a sliding movement
    • A45D40/04—Casings wherein movement of the lipstick or like solid is a sliding movement effected by a screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/76—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston
    • B65D83/761—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston the piston being actuated by a screw-shaft

Definitions

  • This invention relates to an applicator for semisolid substances such as gels, solutions and emulsions onto a body surface. More particularly this invention relates to an applicator of semisolid substances without the need for any pressure compensating mechanisms.
  • the substance can be a deodorant, antiperspirant, suntan lotion, poison ivy preparation or some other substance which is to be delivered to the skin. Since the substance is only a semisolid, it cannot function as the applicator surface. Solid stick deodorants and antiperspirants function as the applicator surface. No separate applicator surface is needed. However, with semisolid substances a separate applicator surface is needed.
  • U.S. Patent 4,801,052 and U.S. Patent 5,372,285 there is disclosed a rigid applicator section that has a plurality of apertures.
  • the semisolid material flows directly through the holes in the rigid surface and is applied to a body surface.
  • These apertures can be of varying shapes and sizes, and in varying numbers. This is exemplified in the commercial Mennen Speed Stick gel products and the Right Guard gel products.
  • Porex is a sintered plastic material that has random, nonlinear, branched pores of varying cross-sectional diameters. Also, the pores are much smaller in cross-section than the apertures of U.S. Patent 4,801,052 or U.S. Patent 5,372,285. In these porous applicators the individual pores will be in a varying diameter of about 150 to 400 microns. This is much smaller than the apertures of the above two U.S. Patents.
  • these porous materials pose a post-extrusion problem. Post-extrusion is the continued flow of the semisolid substance after the cessation of the force to push the semisolid substance through the applicator surface. This is a problem since it flows after the application of the product, is wasted product, and is considered as being messy.
  • U.S. Patent 5,547,302 also discloses the use of a mesh as the applicator surface.
  • This mesh is comparatively thin and flexible with a plurality of discrete openings extending through the mesh. This can be from the structure of a screen to a rigid structure. In the Example the mesh thickness is .022 inches.
  • the dispenser with this mesh applicator surface requires the use of a pressure relief mechanism in conjunction with the elevator of the dispenser. As with the Porex microporous applicator surfaces, there is needed a mechanism to prevent any substantial post-extrusion. However, all of these pressure relief mechanisms add to the complexity and cost of the dispenser.
  • PCT WO 94/13352 discloses a liquid applicator to apply surgical scrubs or paints to a person's skin.
  • the applicator surface is a foam sponge that is attached to an applicator which has a flexible porous layer that regulates the flow of liquid to foam sponge.
  • PCT WO 98/12122 discloses an applicator for a shear thinning product.
  • the preferred open celled applicator surface is a hard porous material formed by heating and sintering micromolecular granules of synthetic resin powders. Also open celled material or synthetic foams can be used as can fibers fused together to create liquid flow channels.
  • neither of these references provide a solution to the problem of a useful applicator surface for applying products such as liquid, gel or lotion products to a person's skin.
  • Semisolid substances can be delivered through an application surface having pore-like openings without the problem of post-extrusion. This is accomplished by the use of one or more plies of a mesh fabric.
  • the fabric has substantially linear openings through the fabric. Whether there will be one ply or a plurality of plies will depend on many factors including the structure of the fabric. This will depend to a large degree on the fiber denier and the weave of the fabric if it is a woven fabric, the size of the apertures for an extruded nonwoven film fabric, and the porosity of the fabric if it is a nonwoven with random arrayed fibers.
  • One objective is to have fabric of a material that is heat bondable to a peripheral frame edge and through which a product of a rheology of about 10,000 centipoises to about 1,000,000 centipoises can flow without any substantial post extrusion. It is preferred in the present dispenser to use a single ply fabric of a denier and weave that maintains its structural integrity in use to apply a substance to the skin, with or without the use of an underlying support structure. That is, there is no folding or undue distortion of the fabric surface during the application of the semi-solid substance. Some flexing is desired in order to follow the contours of the skin. However, this flexing should not result in any permanent distortion of the fabric surface.
  • a plurality of fabric plies can be used. In such an instance there will be from about 2 to 10 plies, and preferably 2 to 5 plies.
  • the openings are partially juxtaposed from ply layer to ply layer. This provides for a modified circuitous path of the substance through the mesh fabric.
  • An additional force is needed to flow the semisolid substance through the multi-ply fabric structure versus a single ply structure, but not a force that would result in any significant post-extrusion or leakage of the semisolid substance.
  • the applicator fabric will be matched to the viscosity of the formulation.
  • the flow through the fabric plies is substantially simultaneous with the application of pressure to the semisolid product with there being no pressure to be dissipated after the use of the dispenser.
  • a mesh fabric provides for an improved product shearing of the semi-solid substance and more uniform application to the contours of the body surface. Improved shearing allows for the application of a thinner continuous layer of the semisolid substances onto the skin.
  • the present invention is directed to a dispenser with an applicator surface that does not require a pressure relief mechanism to prevent the post-extrusion of the substance being dispensed.
  • the applicator surface is comprised of one or more layers of a mesh fabric.
  • the structure of the fabric will depend on whether the fabric is woven or nonwoven.
  • a nonwoven fabric includes extruded films having apertures and fabrics of a layer of random arrayed fibers.
  • the plies can be in a designed array or in a random array. The result in the use of a plurality of plies is a plurality of offset passageways.
  • This arrangement of offset passageways provides for some back pressure in the dispensing of the semisolid substance, but not a pressure that would result in any significant post-extrusion flow.
  • the flow ceases fairly quickly upon the cessation of the application pressure since the application pressure is quickly relieved by the direct flow of the semisolid substance.
  • the fabric can be used with or without an underlying support. Whether in the form of a single or multiple ply, there is provided a surface that will conform to the small undulations in the body surface to which the semisolid is being applied.
  • the fabric can be a woven or a nonwoven fabric. If woven it can have a plain twill or satin weave. The weave also can be a tight or a loose weave. Further, the fibers that comprise the fabric can be in a range of deniers. If nonwoven, the fabric can be an extruded film with microporous apertures or can be produced by one or more random layers of fibers that are bonded together. The only requirements are that the fabrics be thermoplastic and be heat bondable to a thermoplastic frame, and that in use as an applicator surface for a viscous semisolid substance that there be no significant post-extrusion of the viscous semisolid after application to a skin surface. If woven, the mesh apertures will be more uniform in structure.
  • the applicator surface will be comprised of about 1 ply to about 10 plies of fabric, preferably about 1 ply to about 5 plies and most preferably about 1 to 3 plies.
  • the mesh openings nominal (average) size will be in the range of about 50 microns to about 1,000 microns, and preferably about 80 microns to about 400 microns.
  • the mesh openings in one layer usually will not align with the mesh openings of another layer.
  • the mesh openings can be arranged to be aligned from layer to layer. Further, the mesh openings can vary in size from layer to layer.
  • the mesh openings will have a nominal surface area of about 2.5 x 10 -3 mm 2 to about 1 mm 2 and preferably about 6.4 x10 -3 mm 2 to about .16mm 2 .
  • This variability in alignment and in mesh size can accommodate compositions of different rheologies.
  • the rheology of the composition to be delivered and the mesh opening size or sizes are coordinated in order to deliver a viscous product without the need for a pressure relief mechanism in the dispenser.
  • the mesh fabric will have a thickness of about 0.032 centimeters to about 0.30 centimeters and preferably 0.041 centimeters to about 0.15 centimeters.
  • the mesh fabric provides a variation of skin feel in the application of substances. By varying the fabric material and the size of the aperture openings, the skin feel can be changed from soft and smooth to a noticeable skin rubbing. There can be a low to high degree of skin friction. The skin feel also can be changed by calendering the sheet material to change surface characteristics such as the coefficient of friction.
  • the applicator support structure can be comprised of a plurality of support ribs across the major axis or minor axis of the dispenser. Such ribs preferably would have a radius of curvature of about 10 centimeters to about 20 centimeters along the major axis and about 2.54 to 7.62 centimeters about the minor axis. These ribs support the fabric in a compound curve structure. They allow some flex in the fabric but do not allow for any permanent distortion of the fabric.
  • the support structure can be a rigid apertured section. In this embodiment there will be no flex to the fabric surface.
  • a knob in a lower part of the dispenser will be rotated to move an elevator in the dispenser upward. This will provide for a flow of some of the viscous semisolid substance supported on the elevator through the fabric applicator surface. There is no discernible post-extrusion flow of the semisolid substance after the dispensing of the desired amount of the semisolid substance and the application of this substance to a body surface.
  • the internal pressure in the dispenser is rapidly equilibrated with the exterior pressure upon the movement of the elevator to dispense the semisolid substance. There is no resulting back pressure after the use of the dispenser to cause any significant post-extrusion of the semisolid substance.
  • the present dispenser will be described with respect to woven and nonwoven fabrics, the use of layers of the fabrics, and the use of both woven and nonwoven fabrics in different combinations.
  • One objective is to deliver a viscous semisolid liquid from a dispenser with no substantial post extrusion. Upon the cessation of pressure on the viscous, semisolid liquid, there is a cessation of extrusion through the fabric dispensing surface. The problem of post extrusion also is alleviated by the low degree of flex in the surface of the fabric.
  • Another objective is to provide an applicator where the surface will have sufficient flex to contact the contours of the body surface to which the viscous semisolid material is being applied, but will not be permanently distorted. Yet, another objective is by the range of fabrics available, the structure of these fabrics, and the structure of the fabrics in a single or multi-ply arrangement the skin feel of the applicator can be changed. Some persons want a smooth feel while others want a relatively rough feel. Also, some formulations will have a lubricating effect and consequently, a rougher feel may be desired. In any regards the skin feel of the applicator surface can be changed by changing the mesh fabric.
  • the applicator surface will be comprised of about 1 ply to about 10 plies of fabric, preferably about 1 ply to 5 plies, and most preferably about 1 to 3 plies.
  • the mesh openings nominal size will be in the range of about 50 microns to about 1,000 microns, and preferably about 80 microns to 400 microns. In multilayer structures the mesh openings in one layer usually will not align with the mesh openings of another layer. However, the mesh openings can be aligned from layer to layer. Further, the mesh openings can vary in size from layer to layer.
  • the mesh openings will have a nominal (average) surface area of about 2.5 ⁇ 10 -3 mm 2 to about 1 mm 2 and preferably about 6.4 ⁇ 10 -3 mm 2 to about .16mm 2 .
  • the fabric can be of any of the three basic weaves. These are the plain, twill or satin weaves. If a plain weave this can be a regular plain weave, oxford weave, lousine weave, 2 x 2 basket weave, 3 x 2 basket weave, 3 x 3 basket weave, 4 x 4 basket weave. 4 x 5 basket weave, 3 x 5 basket weave and an 8 x 8 basket weave.
  • the fabric can be of a rip stop parachute type. In this type of weave there is an intermittent weave to stop any rips in the fabric.
  • the twill fabrics can be a 2/1 right hand twill, a 1/2 right hand twill, a 2/2 right hand twill, a 3/1 right hand twill, a 3/1 45° right hand twilL
  • the satin fabrics can be a 4 harness satin (i.e. crowfoot), 5 harness satin, 6 harness satin, a 7 harness satin or an 8 harness satin. These are all forms in which the fibers are interlaced in the warp and fill directions.
  • the warp threads usually are called ends while the filling threads are called picks.
  • the edges of the fabric are the selvage.
  • the construction of a woven fabric is given as ends x picks per inch.
  • the weave can be balanced where there is the same number of threads in the warp direction and in the filling direction. In an unbalanced weave there will be more threads either in the warp direction or in the filling direction.
  • Denier is the weight in grams for 9000 meters of a thread.
  • a low denier indicates a fine, relatively narrow cross-section thread.
  • a higher specific gravity material at a given denier will have a smaller cross-section than a lower specific gravity material at that same denier.
  • the texture of the fabric can be changed.
  • the skin feel can range from smooth to tough
  • the surface of the fabric can be modified to produce a smoother texture and skin feel.
  • the skin feel and the application also can be adjusted by the tension on the fabric in its attachment to the applicator frame.
  • the flexibility of the fabric can be modified.
  • the fabric can be supported or unsupported. If supported, it can be supported along the major axis and/or along the minor axis, assuming the usual oval shape of an applicator surface. If the applicator is round, it can be supported by means of one or more diametric supports.
  • the fabric can be an extruded film that by its structure is porous, or is a solid film which is perforated to make it porous.
  • a nonwoven fabric can be comprised of a plurality of short length fibers that are layed down in a random array and then selectively bonded together adhesively or by heat bonding.
  • the former extruded apertured films can be produced by the processes disclosed in U.S. Patent 4,842,794 or U.S. Patent 5,207,962.
  • U.S. Patent 4,842,794 a sheet of thermoplastic film is extruded to a thickness of about 0.5 to 20 mils.
  • One side of the film is provided with about 4 to 60 grooves per centimeter and the other side a set of grooves at an acute angle of 15° and 75°.
  • the embossing rolls that have the patterns are at a pressure of about 18 N to 534 N (4 to 120 pounds) per linear centimeter.
  • the result is a film with oval apertures.
  • the film then can be uniaxially oriented in the machine or cross direction from about 50% to 500%, or sequentially biaxially oriented in the machine direction and cross direction up to about 600%.
  • the extruded and apertured film can be heat treated to increase the size of the apertures.
  • thermoplastic film is extruded with the extruded film passed between a patterned nip roll and a smooth roll.
  • the patterned nip roll has a plurality of raised projections with a sharp distal end. These sharp raised projections from the apertures in the film.
  • the apertured film then can be uniaxially oriented in the machine or cross direction or biaxially oriented in both the machine direction and cross direction.
  • the apertures will be of the shape and size of the distal end of the raised projections.
  • the apertures also will be in a consistent repeating pattern.
  • the extruded film also can be produced in the form of a sheet or in a plurality of strands. When extruded in the form of strands, these strands are in a sheet in a helical type of pattern. This also is known as a biplanar netting.
  • the film that is produced in the form of helical strands can have 7 to 50 strands or more per 2.54 cm, be in a width of about 30 cm to 152 cm and a thickness of .033 cm to .30 cm, and preferably about .05 to about .15 cm.
  • the apertures can be in a size range of 100 to 500 micron and larger.
  • the open area of the extruded strand type film can range from about 4% to 25% or more. Larger openings will provide a greater open area.
  • Useful nonwoven netting products are the Naltex® products of Nalle Plastics, Inc.
  • Preferred extruded films have about 20 to about 50, and preferably about 30 to about 40, strands per 2.54 cm and have nominal openings of about 125 microns to about 225 microns.
  • a nominal opening is the average size of a square opening with the length and width being about these dimensions. This translates to a nominal mesh area opening of about .015 mm 2 to about .05 mm 2 .
  • the shape of the opening can vary from triangular to polygonal to circular or elliptical. However, the area of the mesh opening will be within the above range.
  • the mesh openings will be within a given range, however, there will be a range of shapes and sizes with the average mesh opening size being the given range.
  • FIG. 1 there is shown a dispenser for an antiperspirant or deodorant.
  • the container (10) has an upper portion (12), a barrel body portion (14) and a knob (16) for raising an elevator in the container.
  • the upper portion (12) is comprised of insert (20) which is comprised of support frame (18) and fabric applicator surface (26).
  • the support frame (18) is in a liquid tight contact with the barrel body portion (14).
  • the insert can be mechanically attached to the barrel or it can be thermally or adhesively bonded to the barrel.
  • any barrel portion, elevator and knob can be used with the dispensers of the present invention.
  • the key feature is the insert through which the viscous semisolid is dispensed.
  • the insert 20 is comprised of support frame 18 and fabric 26 with applicator surface 24.
  • the fabric 26 insert molded to the support frame during the molding of the support frame.
  • the fabric is insert injection molded to the fabric support frame during the formation of the support frame and the fabric is simultaneously surface modified during this process.
  • the surface of the fabric is modified by the substantially round fabric fibers being modified to flat upper and lowed surfaces.
  • the substantially circular fiber 32 is modified to have the shape of a chord of a circle 34 on its upper and 36 lower surfaces and forms an oval-like shape as shown in Figure 8. This flat upper surface tends to decrease the coefficient of friction of the fabric surface and results in a smooth skin feel in use. That is, the applicator surface moves over the skin with less friction.
  • the thickness of the fiber from upper surface to lower surface is decreased about 5% to about 25%, and preferably about 8% to 15% during the insert injection molding process.
  • the mesh size also is changed during insert injection molding.
  • the mesh aperture opening size will be reduced about 5% to about 25%. Consequently, the initial fabric mesh size will have to be sized to take into consideration the decrease in mesh size during insert molding.
  • the mesh fabric is placed in the mold cavity.
  • the cavity is shaped to accept the fabric with the edges of the fabric being in a border area.
  • the border area is where the support frame of the insert is to be formed.
  • a mating mold section is inserted into the cavity and a pressure applied to the mold in this process the pressure of the mold pieces against each other will change the shape of the fabric fibers from round to a chordal shape and impart a compound curve shape to the fabric portion.
  • the frame will have an upper rim (30) to which the fabric is attached.
  • the upper rim (30) will be at an angle of about 5° to about 50° to a horizontal plane through the insert support frame (18). This upward extending angle from the outer edge 22 of rim (30) to the inner edge (28) of rim (30) aids in providing a compound curve to the fabric as shown in Figure 5.
  • a woven fabric injection molded to an insert is shown in a top plan view in Figure 2 and in a side elevation view in Figure 3.
  • the woven fabric (26) is shown injection molded to the rim (30) of the insert support (18).
  • the fabric (26) and the insert support will be constructed of the same plastic. However, this is not required. Usually these will be polyenes such as polyethylenes, polypropylenes, polybutadienes and copolymers and polymers. However, other thermoplastics such as polyesters can be used.
  • the insert (18) is shown in a form for mechanical attachment to upper portion of the barrel (12). Recess (28) locks into a complimentary rib on the upper portion.
  • the fabric (26) can be held in a compound curve shape by structural supports Located below the fabric. These structural supports are shown in more detail in Figure 6 and Figure 7.
  • Figure 4 shows an insert support frame with a nonwoven fabric heat bonded to the rim (30).
  • the structure of the insert support frame is the same as in Figure 2 and Figure 3. The difference is the use of a fabric that has random sized openings within a particular range.
  • the fabric can be in multiple layers. This usually would be in about 1 to about 5 layers, and most preferably about 1 to about 3 layers.
  • Figure 5 shows a fabric structure in a three-layer arrangement.
  • Figure 6 and Figure 7 show support structures for the fabric. These support structures will maintain the fabric in a compound curve structure. The fabric can be maintained in a single curved surface. However, in most uses the preference will be to maintain the fabric in a compound curve structure.
  • supports (40) and (42) which support the fabric in a compound curve.
  • a different arrangement of supports is shown in Figure 7. Here supports (44), (46), and (48) maintain the fabric in a compound curve structure.
  • the mesh fabric can be comprised of essentially any material in which these fabrics are constructed, however, thermoplastic fabrics are preferred since they can more easily be bonded to a support frame.
  • Preferred mesh fabrics are polyene fabrics, polyester fabrics, nylon fabrics, and polyester-elastomer fabrics.
  • the polyene fabrics comprise a class of polyethylene, polypropylene, polybutadiene polymer fabrics and fabrics that include copolymers of these polyenes.
  • the mesh fabrics have mesh openings of about 50 microns to about 1,000 microns, and preferably about 80 microns to about 400 microns.
  • the open area will be from about 4% to about 25%.
  • the thickness of the mesh fabric will be about .02 centimeters to about .35 centimeters.
  • the mesh fabric and the support frame are constructed of the same thermoplastic material in order to facilitate the bonding of the mesh fabric onto the support frame.
  • the other parts of the dispenser are constructed of the materials commonly used for such dispenser. These are moldable thermoplastics. Most, if not all, of the parts of the dispenser will be injection molded.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Claims (20)

  1. Un applicateur pour appliquer une substance semi-solide sur une surface de corps comprenant un fût (14) fermé à une extrémité par un élévateur adapté pour se déplacer dans le sens axial à l'intérieur dudit fût, et fermé à l'autre extrémité par une surface d'applicateur (26) caractérisée en ce que ladite surface d'applicateur (26) est constituée d'au moins un tissu tissé et un tissu non tissé, ledit tissu étant une injection moulée inséré dans une structure de support (18), ledit tissu ayant des ouvertures de mailles nominales d'environ 50 microns à 1000 microns en coupe, une épaisseur d'environ 0,032 cm à 0,3 cm et la surface de tissu étant modifiée par calandrage pour améliorer le toucher sur cette surface de corps.
  2. Un applicateur selon la revendication 1 dans lequel ladite surface d'applicateur (26) est constituée d'1 à 10 couches de tissu.
  3. Un applicateur selon la revendication 2 dans lequel ladite surface d'applicateur (26) est constituée d' 1 à 5 couches.
  4. Un applicateur selon la revendication 1 dans lequel ledit tissu est un tissu tissé.
  5. Un applicateur selon la revendication 1 dans lequel ladite surface d'applicateur (26) est un tissu tissé sélectionné dans un groupe composé d'armures unies, d'armures sergées et d'armures satin.
  6. Un applicateur selon la revendication 1 dans lequel ladite surface d'applicateur (26) est un tissu non tissé.
  7. Un applicateur selon la revendication 6 dans lequel ledit tissu non tissé est une feuille extrudée comportant plusieurs ouvertures.
  8. Un applicateur selon la revendication 6 dans lequel ledit tissu non tissé est un ensemble de plusieurs fibres aléatoires en matrices aléatoires.
  9. Un applicateur selon la revendication 1 dans lequel il y a au moins un support (40), (42), (44), (46) et (48) en-dessous de ladite surface d'applicateur (26).
  10. Un applicateur selon la revendication 9 dans lequel ledit applicateur a un axe majeur et un axe mineur, ledit support (48) s'étendant à travers ledit axe majeur.
  11. Un applicateur selon la revendication 10 dans lequel ledit support (44), (48) forme ladite surface d'applicateur (26) en une courbe composée.
  12. Un applicateur selon la revendication 1 dans lequel la surface d'applicateur (26) est une surface en polyène et une en polyester.
  13. Un applicateur selon la revendication 1 dans lequel ledit tissu possède des ouvertures d'environ 75 microns à 350 microns.
  14. Un applicateur selon la revendication 13 dans lequel ledit tissu possède des ouvertures d'environ 100 microns à 250 microns.
  15. Un applicateur selon la revendication 1 dans lequel ladite surface d'applicateur (26) est un matériau extrudé.
  16. Procédé consistant à former une surface d'applicateur (26) pour l'application de substances liquides sur une surface de corps comprenant les étapes consistant à :
    fournir au moins un tissu tissé et un non tissé, ledit tissu ayant une épaisseur initiale d'environ 0,032 cm à 0,3 cm et des ouvertures de mailles d'environ 50 microns à 1000 microns ;
    calandrer ledit tissu pour modifier sa surface supérieure ;
    insérer ledit tissu dans une première section d'un moule d'injection, le tissu s'étendant sensiblement à travers la cavité de ladite première section dudit moule et fermant ledit moule avec une seconde section de moule ;
    injecter un thermoplastique chaud dans au moins l'une des deux sections de moule pour former simultanément une structure de support (18) pour ledit tissu et coller ledit tissu à la structure de support (18).
  17. Procédé selon la revendication 16 dans lequel ledit tissu est formé en courbe composée.
  18. Procédé selon la revendication 16 dans lequel ledit tissu est un tissu tissé.
  19. Procédé selon la revendication 16 dans lequel ledit tissu est un tissu non tissé.
  20. Procédé selon la revendication 16 dans lequel ledit tissu est un tissu extrudé.
EP99970004A 1998-10-07 1999-10-06 Applicateur pour substances pateuses Expired - Lifetime EP1154710B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16814498A 1998-10-07 1998-10-07
US168144 1998-10-07
PCT/US1999/023287 WO2000019860A1 (fr) 1998-10-07 1999-10-06 Applicateur pour substances pateuses

Publications (2)

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EP1154710A1 EP1154710A1 (fr) 2001-11-21
EP1154710B1 true EP1154710B1 (fr) 2003-09-24

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Application Number Title Priority Date Filing Date
EP99970004A Expired - Lifetime EP1154710B1 (fr) 1998-10-07 1999-10-06 Applicateur pour substances pateuses

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EP (1) EP1154710B1 (fr)
AT (1) ATE250361T1 (fr)
DE (1) DE69911657T2 (fr)
ES (1) ES2209556T3 (fr)
HK (1) HK1043518B (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3047154B1 (fr) 2016-01-29 2021-01-22 Chanel Parfums Beaute Article de cosmetique notamment pour les levres comprenant des grilles superposees

Also Published As

Publication number Publication date
EP1154710A1 (fr) 2001-11-21
DE69911657T2 (de) 2004-06-24
HK1043518A1 (en) 2002-09-20
HK1043518B (en) 2004-05-28
DE69911657D1 (de) 2003-10-30
ATE250361T1 (de) 2003-10-15
ES2209556T3 (es) 2004-06-16

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