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
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
  • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
  • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B13/00—Brushes with driven brush bodies or carriers
  • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
  • A46B13/023—Brushes with driven brush bodies or carriers power-driven carriers with means for inducing vibration to the bristles
• • 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
  • A45D2200/15—Temperature
  • A45D2200/155—Heating or cooling means, i.e. for storing or applying cosmetic products at a predetermined temperature
• • 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
  • A45D2200/15—Temperature
  • A45D2200/155—Heating or cooling means, i.e. for storing or applying cosmetic products at a predetermined temperature
  • A45D2200/157—Heating means for mascara applicators
• • 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
  • A45D2200/20—Additional enhancing means
  • A45D2200/207—Vibration, e.g. ultrasound

Definitions

• the present invention relates to the makeup of eyelashes.
• Curling eyelashes is a feature most often sought after by mascara users.
• compositions having a hot running character having a hot running character, the application being effected with a device comprising a hot surface heated to a temperature sufficient to melt the composition.
• EP 1 543 741 A2 discloses a device comprising a heating member and projecting elements arranged to selectively allow the use of the projecting elements to separate the eyelashes without contact of the latter with the heating element, or of curl the eyelashes by subjecting them to the heat released by the heating element.
• No. 2,630,516 discloses an eyelash curling iron provided externally with a sheath of a fibrous material, preferably a chamois leather, for retaining an excess of mascara.
• heat is used to freeze mascara.
• EP 1 468 627 A1 discloses a heating applicator for applying a viscous composition having a particular thermal profile.
• the composition is deposited on the applicator by immersing it in a bottle containing the composition, provided with a wringing member.
• the invention aims to satisfy this need in a simple and easy to implement by the largest number of users.
• the subject of the invention is a process for making eyelashes, comprising the steps of:
• the application of the composition can be carried out in step 1) on the eyelashes using a brush or a comb in a conventional manner.
• the application of the composition in this step 1) can be done easily, because it is sufficient for the user to coat the eyelashes with the composition, without seeking to give them a maximum curvature, the bending step to the desired curvature s then performing. Vibrations can prevent eyelashes from sticking to the hot surface too much
• the heat and vibrations of the finishing device accelerate the evaporation of the solvent (s) contained in the composition and thus the drying of the composition deposited on the eyelashes can be obtained relatively quickly, while using finishing device for bending the eyelashes, for example by lifting them.
• finishing device being different from the applicator used to deposit the composition on the eyelashes, it is possible to avoid adding fresh product during the finishing step, which would have the effect of slowing the evaporation of the product. or solvents.
• the hot surface used above is advantageously a smooth surface and / or non-porous, which facilitates cleaning.
• the hot surface may also include ridges, teeth and / or grooves.
• the finishing device may also include ridges, teeth and / or grooves elsewhere than at the level of the hot surface, for example the opposite of it.
• the hot surface may be tapered, which may facilitate its engagement between the lashes, if necessary, to separate them.
• the hot surface may have a form of revolution, including a symmetrical form of revolution.
• the hot surface may have a temperature of less than or equal to 90 ° C., better still between 35 and 85 ° C., more preferably 45 ° and 80 ° C., and for example a homogeneous temperature.
• the hot surface may be defined by at least a portion of a finger-shaped heating medium.
• the end of this finger can be rounded, to avoid a risk of injury to the user.
• the heating support may be devoid of teeth or bristles oriented transversely.
• the hot surface may be subjected to vibrations oriented parallel or transverse to its longitudinal axis.
• the amplitude of the vibrations of the heating support is preferably less than or equal to 5 mm, more preferably 3 mm, microvibrations being preferable.
• the frequency of the vibrations is preferably between 1 and 500 Hz.
• the vibration of the hot surface can be effected by means of a vibrating source integrated into the finishing device.
• the vibration of the hot surface can be effected by means of a vibrating source removably attached to the finishing device or by means of a vibrating source carried by a finger of the user and brought to the contact of the finishing device.
• the hot surface may be devoid of composition before its first contact with the keratinous fibers. This can improve heat transfer and avoid depositing on the eyelashes residues of composition that have dried.
• the method may include, where appropriate, cleaning the hot surface during its use, for example by means of a piece of a nonwoven or a textile, a sponge or a paper.
• the cleaning can be carried out while the hot surface is at a temperature of use or in the absence of heating.
• the subject of the invention is also an assembly comprising, in the same package: a finishing device comprising a heating surface and, a vibrating source making it possible to vibrate the heating surface, this source vibrator being integrated in the finishing device or removably attachable thereon or being brought into contact with it, the composition to be applied to the eyelashes.
• the packaging is for example a blister, a box or a bag.
• the invention further relates to the finishing device as such, regardless of the composition.
• This finishing device may or may not integrate the vibrating source.
• the finishing device may include a finger-shaped heating medium, at least partially defining the heating surface.
• the heating support may comprise at its free end an unheated portion. This can make it possible to use the heating support to separate the eyelashes without heating them, using the tip.
• the hot surface may be defined at least partially, if not entirely, by a metal, a glass, a ceramic or an elastomer.
• the heating support may comprise an envelope having a housing in which is arranged at least one heating resistor, this housing opening for example at one end of the envelope, so as to allow the insertion of the heating resistor into the envelope, after the manufacture of the envelope.
• This housing may be central, so as to allow, if desired, obtaining a homogeneous temperature around the longitudinal axis of the heating support.
• the heating support comprises an envelope which is overmolded on the heating resistor.
• the envelope may be made of a good heat-conducting material, for example a metal or a thermoplastic or cross-linkable material loaded with metal particles or having a good thermal conductivity.
• the finishing device may comprise at least one switch to allow the user to trigger the heating of the heating support.
• This switch is for example a contactor, for example a push button, triggering the heating of the heating support when depressed by the user, heating the heating support stopping for example as soon as the contactor is released by the user. This can allow the user to create relatively short heating pulses well controlled over time, which can facilitate the finishing operation.
• the finishing device may also include a switch for controlling the vibrating source. This may allow the user to perform the finish by selectively using either vibration alone or heating alone, or both.
• the finishing device comprises a switch that can assume a position in which, even when released by the user, the heating support and / or the vibrating source remains energized, if necessary. for a predefined time so as to save the power source.
• the finishing device may also comprise a light indicator informing the user, for example, on the state of the heated support or not, and / or on the temperature thereof.
• the indicator light is, for example, a light that comes on when the heating support is electrically powered and changes color, flashes or stops flashing when the appropriate temperature for finishing is reached.
• the finishing device may also include a thermochromic indicator, for example changing color when a temperature suitable for use is reached.
• the finishing device may comprise a housing housing an electrical source, for example at least one battery or accumulator.
• the finishing device can still be powered by the mains, for example by means of a step-down transformer.
• the use of a 9V battery to power the heating media can increase the current in the resistor and allow a faster rise in temperature, which can facilitate makeup.
• the electrical source and the heating support are, for example, chosen so that the heating support can reach a surface temperature of between 45 ° C. and 95 ° C., more preferably 45 ° C. and 90 ° C., more preferably at least 60 ° C. 0 C, in less than 120 s, better 30 s, starting from an initial temperature of 25 0 C in a closed environment at 25 0 C.
• the heating support may be made of a material having a state and / or a surface tension such that the composition is non-adherent at 25 ° C. to the heating support.
• the heating support can be made of PTFE (Tefion ® ) or have a coating of PTFE or similar material.
• the heating support is fixed relative to a gripping portion of the finishing device.
• the heating support is movable relative to a gripping portion of the finishing device.
• the heating support is for example mobile in translation. This can reduce the size of the finishing device in the absence of use.
• the heating support may also be mobile in rotation, for example around an axis of rotation perpendicular to its longitudinal axis, on itself or around any axis not coincident with its longitudinal axis.
• the heating support may have any form suitable for the desired makeup.
• the heating support may have a longitudinal axis which is rectilinear or not.
• a curvilinear longitudinal axis can for example further improve the ergonomics.
• the longitudinal axis of the heating support may be coincident or parallel to the longitudinal axis of a gripping portion of the finishing device, this gripping portion being for example merged with a housing of the finishing device.
• the longitudinal axis of the support can still be rectilinear and make an angle with the longitudinal axis of the gripping portion of the finishing device.
• the support may comprise a heating resistor disposed inside an envelope which may have a substantially constant thickness, for example to more easily obtain a relatively homogeneous temperature over the entire length of the heating support.
• the casing may have a longitudinally varying wall thickness depending on a desired temperature profile.
• the application device can be arranged in such a way that the temperature of the heating support is comprised during operation of the heating support between 45 ° C. and 90 ° C., better still between 50 ° and 70 ° C., over at least a portion of its heating medium. length and on this portion all around the longitudinal axis.
• the device may comprise means for regulating the temperature of the heating support, for example a thermostat or an electronic circuit comprising a temperature probe.
• the invention is particularly suitable for the compositions disclosed in EP 1 752 136 A1, EP 1 832 277 A1, EP 0 832 637 A1, US 6,274,131, the contents of which are incorporated by reference.
• the invention is particularly suitable for compositions containing a relatively large proportion of water, for example at least 30% water.
• the composition may comprise a latex of a polymer and / or a film-forming polymer.
• composition may also contain ingredients commonly used in cosmetics, such as vitamins, trace elements, softeners, sequestering agents, perfumes, oils, silicones, cohesion agents and alkalinizing or acidifying agents usually used.
• ingredients commonly used in cosmetics such as vitamins, trace elements, softeners, sequestering agents, perfumes, oils, silicones, cohesion agents and alkalinizing or acidifying agents usually used.
• fillers, pigments, emollients usually used in amounts of between 1 and 10%; conservatives.
• the composition comprises a mixture of at least one hard wax and at least one film-forming polymer.
• the composition may for example comprise: i. a wax-in-water emulsion of at least one wax I, or a mixture of waxes I, having a needle penetration ranging from 1 to 7.5 and a melting point ranging from 70 ° C. to 110 ° C. said wax I being at least one wax (Ia, Ib) having a melting point of from 77 ° C. to 110 ° C., said wax I, or mixtures thereof, being present in a content of at least 10% by weight relative to the total weight of the composition, the wax, or their mixture, being in the form of particles having a size at least greater than or equal to 1 ⁇ m, ii.
• a polymer system containing a film-forming polymer said polymeric system being capable of forming a film producing at a concentration of 7% in water, a retraction of the stratum corneum isolated by more than 1% at 30 ° C. under a relative humidity of 40%.
• the composition may comprise: i. a wax-in-water emulsion of at least one mixture of waxes I, called hard waxes, having a needle penetration ranging from 1 to 7.5 and a melting point ranging from 70 ° C. to 110 ° C., said mixture of waxes I containing at least a first wax (Ia) having a melting point greater than or equal to 77 ° C. and less than 83 ° C., a second wax (Ib) having a melting point ranging from 83 ° C. to 110 ° C., and a third wax (Ic) having a melting point greater than or equal to 70 ° C.
• a wax-in-water emulsion of at least one mixture of waxes I, called hard waxes, having a needle penetration ranging from 1 to 7.5 and a melting point ranging from 70 ° C. to 110 ° C.
• said mixture of waxes I containing at least a first wax (Ia) having a melting point greater
• said mixture of waxes I being present in a content of at least 10% by weight relative to the total weight of the composition, said mixture of waxes I being in the form of particles having a size at least greater than or equal to 1 ⁇ m, ii. 0.1% by weight, based on the total weight of the composition, of a polymeric system containing a film-forming polymer, said polymeric system being capable of forming a film producing at a concentration of 7% in water, a shrinkage of stratum corneum isolated by more than 1% at 30 ° C. under a relative humidity of 40%.
• the waxes may be in the form of particles preferably having a size greater than or equal to 1.5 ⁇ m, in particular ranging from 1.5 to 10 ⁇ m, and better still ranging from 1.5 ⁇ m to 3.5 ⁇ m.
• hard wax or wax (I)
• wax (I) a wax having a melting point ranging from 70 ° C. to 110 ° C. and a needle penetration ranging from 1 to 7.5. Needle penetration waxes is determined according to the French standard NF T 60-123 or the American standard ASTM D 1321, at the temperature of 25 ° C. According to these standards, needle penetration is the measure of the depth, expressed in tenths of millimeter, to which a standard needle, weighing 2.5 g placed in a moving element weighing 97.5 g and placed on the wax to be tested, for 5 seconds, enters the wax.
• the waxes I above may be chosen from waxes of animal origin, waxes of vegetable origin, waxes of mineral origin, synthetic waxes and various fractions of waxes of natural origin, all these waxes having the following characteristics: two characteristics (needle penetration, melting point) indicated above.
• the waxes (I) may be chosen in particular from rice bran wax, carnauba wax, Ouricuri wax, candelilla wax, Montan waxes, sugar cane wax, certain polyethylene waxes which meet the criteria of waxes I.
• the composition may comprise a quantity of the wax mixture I ranging from 10% to 30% by weight, relative to the total weight of the composition, preferably from 13% to 25%, and better still at least 15% and especially 15%. at 20%.
• the wax I or the mixture of waxes I may comprise at least one first wax (Ia) having a melting point greater than or equal to 77 ° C. and less than 83 ° C.
• a wax may be, for example, the wax of rice.
• the wax I or the mixture of waxes I may also comprise at least one second wax (Ib) having a melting point ranging from 83 ° C. to 110 ° C.
• This second wax (Ib) may be used alone in the wax mixture I or be associated with wax (Ia).
• Such a wax (Ib) may be for example Carnauba wax, Ouricuri wax, Montan wax. Carnauba wax is preferably used.
• the wax I or the mixture of waxes I may further comprise a third wax (Ic) having a melting point greater than or equal to 70 ° C. and less than 77 ° C.
• a wax may be, for example, Candelilla wax.
• the composition may comprise a mixture of waxes I containing at least a first wax (Ia) and at least one second wax (Ib) as defined above.
• Said mixture of waxes I may comprise from 35% to 65% by weight of wax (Ia), relative to the total weight of said mixture of waxes I, and from 65% to 35% by weight of wax (Ib).
• said mixture of waxes I may comprise in addition to first and second waxes (Ia, Ib), a third wax (Ic) as defined above.
• This third wax may be present in the composition in a content ranging from 5% to 20% by weight, relative to the total weight of the mixture of waxes I.
• first, second and third waxes (Ia, Ib, Ic) may be present in the composition in a weight ratio (total weight / weight of waxes I) of respectively:
• the composition may comprise, in addition to the wax mixture I, at least one polymeric system capable of forming a film producing at a concentration of 7% in water, a shrinkage of the stratum corneum isolated by more than 1% at 30 ° C. a relative humidity of 40%, preferably more than 1.2% and more preferably more than 1.5%. This shrinkage is measured with the dermometer, according to the method described below. Such polymers impart a very good curl to the eyelashes.
• polymeric system is meant either a polymer alone or a polymer associated with at least one other polymer is a polymer associated with at least one plasticizer so as to obtain the desired mechanical characteristics.
• capable of forming a film is meant a polymeric system for forming a film: when spread on glass, the polymeric system must dry without cracking.
• the film-forming polymer of the polymeric system may be a naturally occurring polymer or a synthetic polymer.
• the film-forming polymer may in particular be a water-soluble or water-dispersible polymer.
• polymer of natural origin we mean the polymers of plant origin, of animal origin.
• Plant-based polymers that may especially be mentioned include proteins and protein hydrolysates, and more particularly extracts of cereals, legumes and oleaginous plants, such as extracts of wheat, maize, rye, wheat, buckwheat, sesame, spelled, pea, bean, lentil, soybean and lupine.
• polymers derived from the shells of insects or crustaceans it is possible to use polymers derived from the shells of insects or crustaceans. Mention may be made, for example, of chitin and its derivatives, in particular chitosan, which is a deacetylated derivative of chitin, as well as derivatives of chitosan such as hydroxypropylchitosan, the succinyl derivative of chitosan, chitosan lactate and chitosan glutamate. carboxymethylchitosan succinamide.
• the polymers of natural origin may be chosen for example from shellac resin, sandarac gum, dammars, elemis, copals or cellulose derivatives.
• water-soluble natural polymers As suitable water-soluble natural polymers, mention may be made of the hydroxypropyl chitosan sold under the name "HPCH powder” by the company Ichimarulf PHARCOS, the hydrolyzate of wheat protein sold under the name “Tritisol” by the company Croda (having a molecular weight of about 250,000 daltons).
• the synthetic polymers may be of the polycondensate type or of the radical type.
• polycondensates mention may be made of anionic, cationic, nonionic or amphoteric polyurethanes, polyurethane-acrylics, polyurethane-polyvinylpyrrolidones, polyester-polyurethanes, polyether polyurethanes, polyurea-urethanes, polyureas, sulfopolyesters (which are described especially in US-A-3734874, US-A-4233196, US-A-4304901) and mixtures thereof.
• Radical polymers that may be mentioned include acrylic polymers, acrylic / styrene copolymers, and vinyl copolymers such as copolymers of vinyl esters.
• polyester-polyurethane dispersions sold under the names "Sancure 2060" (polyester-polyurethane), “Sancure 815" (polyester-polyurethane) or else isophthalate-based sulfopolyesters.
• sulfoisophthalate and more particularly the sulpopolyesters obtained by condensation of diethylene glycol, cyclohexane di-methanol, isophthalic acid, sulfoisophthalic acid, especially those sold under the names AQ55S by Eastman.
• said polymeric system may comprise at least one auxiliary film-forming agent making it possible to obtain a film having the characteristics as described above.
• the auxiliary filming agent makes it possible in particular to obtain a film making it possible to obtain a good bending of the eyelashes.
• the polymeric system comprises a mixture of one or more film-forming polymers and at least one auxiliary film-forming agent.
• auxiliary film-forming agent may be chosen from any compound known to those skilled in the art as being capable of fulfilling the desired function, and in particular be chosen from plasticizers.
• the auxiliary film-forming agent may also be chosen from coalescing agents.
• This auxiliary agent may be water-soluble or insoluble in water and may optionally be in the form of an aqueous dispersion.
• glycols and their derivatives such as diethylene glycol ethyl ether, diethylene glycol methyl ether, diethylene glycol butyl ether or else diethylene glycol hexyl ether, ethylene glycol ethyl ether, ethylene glycol butyl ether and ethylene glycol hexyl ether;
• propylene glycol derivatives and in particular propylene glycol phenyl ether, propylene glycol diacetate, dipropylene glycol butyl ether, tripropylene glycol butyl ether, propylene glycol methyl ether, dipropylene glycol ethyl ether, tripropylene glycol methyl ether and diethylene glycol methyl ether, propylene glycol butyl ether,
• esters of carboxylic acids such as citrates, phthalates, adipates, carbonates, tartrates, phosphates, sebacates,
• oxyethylenated derivatives such as oxyethylenated oils, especially vegetable oils such as castor oil; silicone oils,
• water-soluble polymers having a low glass transition temperature, less than 25 ° C., preferably less than 15 ° C.
• auxiliary imaging agent may be chosen by those skilled in the art on the basis of his general knowledge, so as to obtain a polymeric system leading to a film having the desired mechanical properties, while maintaining the composition cosmetically properties. acceptable.
• the composition may comprise from 0.1% to 10% by weight, preferably from 0.3% to 7%, of dry matter of film-forming polymers, relative to the total weight of the composition.
• the polymeric system used can in particular be present in an amount of active ingredient (MA) ranging from 0.1 to 15%, and better still from 0.3 to 10% of the total weight of the composition.
• the composition may comprise at least one wax II, called soft wax, having a melting point greater than or equal to 50 ° C. and less than 70 ° C., and a needle penetration greater than 7.5, and preferably less than or equal to 217, measured according to conditions previously defined for waxes I.
• soft wax having a melting point greater than or equal to 50 ° C. and less than 70 ° C., and a needle penetration greater than 7.5, and preferably less than or equal to 217, measured according to conditions previously defined for waxes I.
• This wax II allows in particular to soften the makeup deposited on the eyelashes.
• waxes II may be chosen in particular from beeswax, lanolin waxes, paraffin waxes, cerasin waxes, microcrystalline waxes, ozokerites, spermaceti, certain polyethylene waxes of molecular weight such that they meet the criteria of waxes II, hydrogenated vegetable oils.
• hydrogenated vegetable oils mention may be made of hydrogenated jojoba waxes and hydrogenated oils which are obtained by catalytic hydrogenation of fatty substances composed of linear fatty chain or not C8-C32 and which have the qualities corresponding to the definition of waxes. Mention may in particular be made of hydrogenated sunflower oil, hydrogenated castor oil, hydrogenated coconut oil and hydrogenated lanolin.
• the waxes I and the waxes II are present in the composition in a weight ratio of wax I / wax II which can range from 2 to 5, and preferably from 2.5 to 3.5.
• the composition may contain emulsifying surfactants present in a proportion ranging from 2 to 30% by weight relative to the total weight of the composition, and better still from 5% to 20%.
• These surfactants may be chosen from anionic or nonionic surfactants.
• the surfactants preferentially used in the compositions according to this example are: among the nonionic surfactants: fatty acids, fatty alcohols, polyethoxylated or polyglycerolated fatty alcohols such as polyethoxylated stearyl or cetylstearyl alcohols, fatty acid esters and sucrose, alkyl glucose esters, in particular polyoxyethylenated C1-C6 alkyl glucose esters.
• the anionic surfactants C16-C30 fatty acids neutralized with amines, ammonia or alkaline salts. Surfactants are preferably used to obtain an oil-in-water emulsion.
• the water may advantageously represent from 30 to 80% by weight of the total weight of the composition.
• composition may comprise at least one thickening agent, preferably of hydrophilic nature.
• This may for example be chosen from carboxyvinyl polymers (carbomer), acrylic copolymers such as copolymers of acrylates / alkylacrylates, polyacrylamides, polysaccharides, natural gums and clays.
• the composition may advantageously comprise a silicone surfactant having an HLB ranging from 8 to 16.
• a silicone surfactant having an HLB ranging from 8 to 16.
• such a surfactant is a dimethicone copolyol.
• the dimethicone copolyols may be chosen from the compounds of general formula (I):
• R1 which may be identical or different, represent a hydrogen atom, a linear or branched C1-C30 alkyl radical or a phenyl radical,
• R2 which may be identical or different, represent - (CxH2x) - (OC2H4) a- (OC3H6) b-OR3,
• R3 which may be identical or different, are chosen from a hydrogen atom, a linear or branched alkyl radical having from 1 to 12 carbon atoms, a linear or branched acyl radical containing from 2 to 12 carbon atoms, n varies from 0 to 1000, p varies from 1 to 30, a varies from 0 to 50, b ranges from 0 to 50, a + b is greater than or equal to 1, x varies from 1 to 5, the number-average molecular weight being greater than or equal to 15,000 and preferably of between 25,000 and 75,000.
• the oxyalkylenated silicones of general formula (I) which correspond to at least one of, and preferably all, of the following conditions are used:
• R1 denotes the methyl radical.
• R3 represents a hydrogen atom, a methyl radical or an acetyl radical, and preferably hydrogen.
• p varies from 8 to 20.
• a is between 5 and 40 and preferably between 15 and 30.
• b is between 5 and 40 and preferably between 15 and 30.
• x is equal to 2 or 3.
• n varies from 20 to 600, preferably from 50 to 500 and even more particularly from 100 to 300.
• dimethicone copolyols were presented by the company Dow Corning at the 17th International Congress of the I.F.S.C.C. of October 1992 and reported in the article "Water-soluble dimethicone copolyol waxes for personal care industry" by Linda Madore et al., pp. 1-3.
• dimethicone copolyols are polydimethylsiloxanes (PDMS) comprising one or more ether functional groups, which are soluble in water (oxyalkylene, especially oxyethylene and / or oxypropylene).
• PDMS polydimethylsiloxanes
• ether functional groups which are soluble in water (oxyalkylene, especially oxyethylene and / or oxypropylene).
• dimethicone copolyols are especially sold by GOLDSCHMIDT under the name ABIL B8851 or ABIL B88183. Mention may also be made of the compounds KF 351 to 354 and KF 615 A sold by the company Shin Etsu or the DMC 6038 from the company Wacker.
• dimethicone copolyol derivatives which may be used may in particular be dimethicone copolyols containing a phosphate, sulphate, myristamide propyldimethylammonium chloride, stearate, amine or glycomodified group, and the like.
• dimethicone copolyols in particular the compounds sold by Siltex under the name Silphos AlOO, Siltech Amine 65, Silwax WDIS, myristamido silicone quat, or by the company Phoenix under the name Pecosil PS 100.
• silicones are for example those sold by the company Dow Corning under the trade name Q2-5220 and by the company Rhone Poulenc under the name MIRASIL DMCO.
• a mascara having the following composition was prepared:
• the waxes, the surfactant and the preservatives were melted and mixed together at 90 ° C.
• the pigments were dispersed in the molten mixture at 90 ° C.
• Tritisol and hydroxyethylcellulose were dissolved in cold water.
• the aqueous phase was then heated to 90 0 C and poured into the molten mixture with stirring, while maintaining the temperature around 90 0 C until homogeneous. Then the composition was cooled to room temperature. There was thus obtained a mascara in the form of a wax-in-water dispersion whose wax particles have a size greater than 1.5 microns.
• a mascara is prepared having the following composition:
• a mascara is prepared having the following composition:
• a mascara having the following composition was prepared:
• compositions B - Other examples of compositions
• composition may also comprise at least one self-emulsifying wax and a polymeric latex, in particular be as described in application EP 1 832 277.
• the composition may thus comprise a polymeric latex, a self-emulsifying wax in an amount of at least 15% by weight relative to the weight of the composition, and water. Such a composition may not comprise additional emulsifier.
• self-emulsifying waxes for example chosen from waxes of animal or vegetable, mineral or synthetic origin, for example beeswaxes, lanolin waxes and Chinese insect waxes, for example rice waxes , carnauba, candelilla or uricuri, cork fibers, cane sugar fibers, Japanese waxes, sumach and cotton waxes, paraffins, micro-crystalline waxes, monatan waxes and ozokerites, polyolefin waxes, for example polyethylene waxes, waxes obtained by Fischer-Tropsch synthesis, waxy copolymers and their esters, silicone waxes and fluorinated waxes.
• Hydrogenated oils of animal or vegetable origin may be present in self-emulsifying waxes.
• Self-emulsifying waxes can be obtained from many manufacturers and suppliers, eg PEG-20 sorbitan beeswax (Atlas G-1726, Uniqema, Nikkol GBW-125, Nikko), PEG-6 beeswax (ESTOL 375, Uniqema), PEG-8 beeswax (Apifil, Pit Gatte), PEG-12 beeswax and carnauba PEG-12 wax.
• the latices used are aqueous dispersions of at least one polymer, for example a film-forming polymer chosen from the copolymers of methacrylic acid and its esters, the methacrylate copolymers, the acrylates which here refer to a copolymer of at least two or more monomers selected from the group consisting of acrylic acid, methacrylic acid and their single esters, for example low carbon number esters such as methyl, ethyl esters and esters; 'ethylhexyl.
• a polymer for example a film-forming polymer chosen from the copolymers of methacrylic acid and its esters, the methacrylate copolymers, the acrylates which here refer to a copolymer of at least two or more monomers selected from the group consisting of acrylic acid, methacrylic acid and their single esters, for example low carbon number esters such as methyl, ethyl esters and esters; 'ethylhexyl
• Such copolymers which may be in the form of an aqueous dispersion, are commercially available from numerous suppliers and manufacturers, including Covacryl Al 5 and Covacryl E from Wackherr, Luviflex Soft from BASF, Luvimer 36D from BASF company, Yodosol GH800 from National Strach and Carboset XL-40 from BF Goodrich.
• the acrylate copolymers form an aqueous dispersion of acrylic acid ethyl ester and methyl methacrylic acid ester, commercially available from the company Daito Kasei under the name Daitosol 5000AD (CAS # 2135- 39-1 which is an aqueous emulsion having a solids content of about 50%).
• methacrylate copolymers include copolymers of acrylate (acrylate / ethylhexyl acrylate copolymer, sold by Daito Kasei under the trade name Daitosol 5000SJ), butyl acrylate / hydroxypropyl dimethicone acrylate copolymers (Granacrysil BAS by Grant Industries, Inc.).
• the content of latex polymers (including the aqueous dispersion in which it may be sold) in the composition may range from 0.1 to 40% relative to the total weight of the composition, for example between 0.5 and 30%, or even 5 to 20%.
• the composition may also comprise a film-forming polymer, for example silicone oils which may be used in the invention, including non-volatile linear polydimethylsiloxanes (PDMSs), liquid at room temperature, polydimethylsiloxanes which may be substituted by fluorinated groups, groups such as hydroxyls, thiols or amines, aliphatic groups (eg, alkyl), or aromatic groups (eg, phenyl), which are attached and / or at the end of the silicone chain these groups each containing from two to four carbon atoms; phenylsilicones, for example phenyl trimethicones, phenyl dimethicones, trimethyl pentaphenyl trisiloxane, tetramethyltetraphenyl trisiloxane, phenyl trimethylsiloxydiphenylsiloxanes (e.g., DC555 from Dow Corning), diphenyl dimethicones, diphenyl methyl
• composition is, for example, in accordance with one of Examples 1 to 4 of Application EP 1 832 177 A1.
• the self-emulsifying wax may be present in an amount of between 20 and 30% of the total weight of the composition, more preferably between 20 and 25%.
• composition may further be made in accordance with European Patent Application EP 1 752 136 A2.
• Such a composition comprises an aqueous phase, a fatty phase, a structuring agent and a grafted polyurethane / poly (meth) acrylate copolymer.
• This graft polymer is defined in paragraphs [0009] and [0010] of application EP 1 752 136 A2.
• compositions without the graft copolymer above are also examples of suitable compositions.
• Example 1 of Application EP 1 752 136 A2 is an example of a composition in which the copolymer is present in the form of a latex, the average particle size being for example between 90 and 110 nm and the size average in number of about 80 nm with a glass transition temperature T G ranging from -60 0 C to 100 0 C, the polymer being for example a poly (meth) acrylate comprising a polymethyl methacrylate.
• the copolymer may be present in an amount ranging from 0.1% to 20% by weight relative to the total weight of the composition.
• the structuring agent may comprise at least one wax, for example tetradecyl octadecanyl-behenate or hexadecyl cosanyl hexacosanate.
• This wax may be present in an amount ranging from 0.1% to 40% by weight relative to the total weight of the composition.
• the structuring agent may also comprise a non-waxy polymer, for example an ester-terminated polyamide given by the formula represented in claim 10 of the application EP 1 752 136 A2.
• composition may still be as disclosed in EP 0 832 637 A1
• composition can thus comprise:
• compositions are preferably in the form of an emulsion of the fatty phase in the aqueous phase or of a dispersion of the aqueous phase in the fatty phase.
• composition may therefore comprise a silicone agent which may be an oxyalkylenated silicone.
• the oxyalkylenated silicones do not contain an alkyl or alkoxy group having from 8 to 22 carbon atoms and directly bonded to a silicon atom.
• the oxyalkylenated silicones are chosen from the compounds of general formula (I) also called dimethicone copolyols: formula in which:
• R1 which may be identical or different, represent a hydrogen atom, a linear or branched C1-C30 alkyl radical or a phenyl radical,
• R2 which may be identical or different, represent - (CxH2x) - (OC2H4) a- (OC3H6) b-OR3,
• R 3 which may be identical or different, are chosen from a hydrogen atom, a linear or branched alkyl radical having from 1 to 12 carbon atoms, and a linear or branched acyl radical having from 2 to 12 carbon atoms,
• n 0 to 1000
• the number-average molecular weight being greater than or equal to 15,000 and preferably of between 25,000 and 75,000.
• the oxyalkylenated silicones of general formula (I) which correspond to at least one of, and preferably all, of the following conditions are used:
• R3 represents a hydrogen atom, a methyl radical or an acetyl radical, and preferably hydrogen.
• p varies from 8 to 20.
• - a is between 5 and 40 and preferably between 15 and 30.
• b is between 5 and 40 and preferably between 15 and 30.
• n varies from 20 to 600, preferably from 50 to 500 and even more particularly from 100 to 300.
• Such silicones are described, for example, in US Pat. No. 4,311,695, which is incorporated by reference.
• dimethicone copolyols were presented by the company Dow Corning at the 17th International Congress of the I.F.S.C.C. of October 1992 and reported in Linda Madore's "Water-soluble dimethicone copolyol waxes for personal care industry" and pages 1-3.
• dimethicone copolyols are polydimethylsiloxanes (PDMS) comprising one or more ether functional groups, which are soluble in water (oxyalkylene, especially oxyethylene and / or oxypropylene).
• PDMS polydimethylsiloxanes
• ether functional groups which are soluble in water (oxyalkylene, especially oxyethylene and / or oxypropylene).
• dimethicone copolyols are especially sold by GOLDSCHMIDT under the name ABIL B8851 or ABIL B88183. Mention may also be made of the compounds KF 351 to 354 and KF 615 A sold by the company Shin Etsu or the DMC 6038 from the company Wacker.
• dimethicone copolyol derivatives which can be used are, in particular, dimethicone copolyols containing a phosphate, sulphate, myristamide propyldimethylammonium chloride, stearate, amine or glycomodified group, and the like. Dimethicone copolyols derivatives may be used, especially the compounds sold by Siltex under the name Silphos AlOO, Siltech amine 65, Silwax WDIS, myristamido silicone quat, or by the company Phoenix under the name Pecosil PS 100.
• silicones are for example those sold by the company Dow Corning under the trade name Q2-5220 and by the company Rhone Poulenc under the name MIRASIL DMCO.
• linear polysiloxane-polyoxyalkylene block copolymers preferably have the following general formula (II):
• R and R ' which are identical or different, represent a monovalent hydrocarbon radical which does not contain aliphatic unsaturation
• Y represents a divalent organic group which is bonded to the adjacent silicon atom by a carbon-silicon bond and to a polyoxyalkylene block by an oxygen atom,
• each siloxane block is between about 400 and about 10,000, that of each polyoxyalkylene block being between about 300 and about 10,000,
• siloxane blocks represent from about 10% to about 90% by weight of the block copolymer
• the average molecular weight of the block copolymer being at least 3,000.
• the radicals R and R ' are more preferably chosen from the group comprising alkyl radicals, for example methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl, decyl or dodecyl radicals; aryl radicals, for example phenyl or naphthyl; aralkyl radicals such as, for example, benzyl or phenylethyl; tolyl, xylyl and cyclohexyl radicals.
• the divalent radical Y is preferably -R "-, -R" -CO-, -R "-NHCO-,
• Y represents a divalent alkylene radical, more particularly the -CH 2 -CH 2 -CH 2 - radical.
• the block copolymer is chosen from the following copolymers:
• the silicone agents used in the compositions may be water-soluble or fat-soluble. Depending on their hydro- or lipo-solubility, they are introduced respectively into the aqueous phase or the fatty phase.
• the waxes that may be used in the composition according to these examples generally have a melting point of between 40 and 110 ° C. and have a needle penetration at 25 ° C. of between 3 and 40, such as measured according to the American standard ASTM D 5 or according to the French standard NFT 004.
• the principle of the measurement of penetration of a needle according to the standards ASTM D 5 and NFT 004 consists in measuring the depth expressed in tenths of millimeters, at which penetrates a standard needle weighing 2.5 g placed in a needle holder weighing 47.5 g, a total of 50 g, the needle being placed on the wax for 5 seconds.
• the waxes which can be used according to this composition example can be chosen from animal waxes, vegetable waxes, mineral waxes, synthetic waxes and various fractions of natural waxes, all the waxes having the two physical characteristics mentioned above.
• animal waxes there may be mentioned beeswaxes, lanolin waxes and insect waxes from China.
• vegetable waxes mention may be made of rice waxes, Carnauba, Candelilla, Ouricurry waxes, cork fiber waxes, sugar cane waxes, Japanese waxes, Sumac wax, cotton wax.
• mineral waxes mention may be made of paraffins, microcrystalline waxes, montan waxes and ozokerites.
• synthetic waxes that may be used include polyethylene waxes, waxes obtained by Fischer and Tropsch synthesis, waxy copolymers and their esters, and silicone waxes.
• hydrogenated jojoba waxes and hydrogenated oils which are obtained by catalytic hydrogenation of fatty substances composed of C8-C32 linear or non-linear fatty chains, hydrogenated sunflower oil and hydrogenated castor oil. , hydrogenated coconut oil, hydrogenated lanolin and hydrogenated palm oils.
• the waxes that can be used are preferably solid and rigid at a temperature below 50 ° C.
• waxes can be in the form of stable dispersions of colloidal wax particles such that they can be prepared by known methods, such as "Microemulsions Theory and Practice", LM Prince Ed., Pross Academy (1977), pages 21-21. 32.
• the composition may comprise from 6 to 40% of wax, by weight relative to the total weight of the composition, and preferably from 10 to 25%.
• composition may further comprise at least one film-forming polymer, in solution or in dispersion in the aqueous phase.
• the composition may comprise an amount of film-forming polymer ranging from 0.1 to 25% by weight relative to the total weight of the composition.
• the compositions according to this example comprise an amount ranging from 1 to 10%, by weight relative to the total weight of the composition, of film-forming polymer.
• the film-forming polymer may be chosen from: keratin derivatives, such as keratin hydrolysates and keratin sulfones;
• anionic, cationic, amphoteric or nonionic chitin or chitosan derivatives cellulose derivatives such as hydroxyethyl cellulose, hydroxypropyl cellulose, methyl cellulose, ethyl hydroxyethyl cellulose, carboxymethyl cellulose, and quaternized cellulose derivatives;
• acrylic polymers or copolymers such as polyacrylates or polymethacrylates
• polyvinylpyrrolidones and vinyl copolymers such as copolymers of methylvinyl ether and malic anhydride, or the copolymer of vinyl acetate and cro tonic acid;
• the water dispersible anionic polyester and / or polyesteramide polymers comprising monomers bearing a function: -SO3M, with M representing a hydrogen atom, an ammonium ion NH4 + or a metal ion, such as for example an Na + ion, Li +, K +, Mg2 +, Ca2 +, Cu2 +, Fe2 +, Fe3 +.
• M representing a hydrogen atom
• an ammonium ion NH4 + or a metal ion such as for example an Na + ion, Li +, K +, Mg2 +, Ca2 +, Cu2 +, Fe2 +, Fe3 +.
• Mention may in particular be made of the polymers described in documents US-3,734,874; U.S. 4,233,196; US-4304901.
• one chooses film-forming polyester polymers based on at least one dicarboxylic acid, at least one diol and at least one bifunctional aromatic monomer further bearing a -SO3M group as described above
• polyurethane polymers especially anionic, cationic, nonionic or amphoteric polyurethanes, polyurethane-acrylics, polyurethane-polyvinylpyrrolidones, polyester-polyurethanes, polyether polyurethanes, polyureas, polyurea / polyurethanes, and mixtures thereof.
• polymers of natural origin possibly modified, such as:
• glycosaminoglycans hyaluronic acid and its derivatives
• composition according to these examples D may comprise from 0.01 to 5% silicone agent and even more preferably from 0.4 to 1.5%, by weight relative to the total weight of the composition, in particular from 10 to 30% silicone agent, by weight relative to the total weight of film-forming polymer.
• the components of the oily and aqueous phases can be independently dissolved or melted at a temperature of 85 ° C. and then mixed.
• composition may be in the form of an oil-in-water emulsion or a water-in-wax dispersion.
• the composition may contain emulsifying surfactants present in a proportion of between 2 and 30% by weight relative to the total weight of the composition.
• surfactants may be chosen from anionic or nonionic surfactants.
• the surfactants preferentially used in the compositions according to the invention are:
• nonionic surfactants fatty acids, fatty alcohols, polyethoxylated or polyglycerolated fatty alcohols such as polyethoxylated stearyl or cetylstearyl alcohols, fatty acid esters of sucrose and alkyl glucose esters, in particular fatty esters of C1-C6 alkyl glucose polyoxyethylenated.
• anionic surfactants amine stearates.
• the water advantageously represents from 30 to 80% by weight of the total weight of the composition.
• the composition When the composition is in the form of a water-in-wax dispersion, it preferably further comprises at least one thickening agent and at least one volatile organic solvent or oil which will evaporate on contact with the skin or eyelashes. , but whose presence in the cosmetic composition is useful because they facilitate the spreading of the composition during application to the skin or the eyelashes.
• Such spreading agents referred to herein as solvents or volatile oils, are generally organic compounds having, at 25 ° C., a saturating vapor pressure of at least 0.5 millibar (ie 0.5 ⁇ 10 2 Pa).
• the thickening agent may be chosen from organically modified clays, such as montmorillonites and hectorite derivatives, for example bentonite.
• the concentration of solvent or volatile organic oil is between 35 and 70% by weight relative to the total weight of the composition.
• the solvent or the volatile organic oil may be chosen from isoparaffin, turpentine, isopropyl alcohol, ethyl alcohol, white spirit, silicone oils such as hexamethyldisiloxane, cyclopentadimethylsiloxane, cyclotetramethylsiloxane, fluorinated oils such as those sold under the name Galden (Montefluos) or isoparaffinic oils such as those sold under the name Isopar (E, G, L or H) and isododecane.
• the aqueous phase preferably represents from 0.1 to 25% by weight relative to the total weight of the composition.
• composition may further comprise at least one filler such as:
• talc which is a hydrous magnesium silicate used in the form of particles generally less than 40 microns
• micas which are alumino silicates of various compositions in the form of flakes having dimensions of 2 to 200 microns, preferably of 5 to 70 microns and a thickness of between 0.1 to 5 microns, preferably of 0.2 to 3 microns, these micas can be of natural origin such as muscovite margarite, roscoelite, lipidolite, biotite or synthetic origin,
• starch in particular rice starch
• kaolin which is a hydrated aluminum silicate, which is in the form of particles of isotropic form with dimensions generally less than 30 microns,
• zinc and titanium oxides generally used in the form of particles having dimensions not exceeding a few microns
• microcrystalline cellulose
• FIG. 1 illustrates an example FIGS. 2 and 3 illustrate the use of the finishing device for curling the eyelashes
• FIG. 4 illustrates the use of the finishing device for separating the eyelashes
• FIGS. 8 to 8 illustrate different examples of mounting a heating resistor in the heating support
• FIGS. 9 to 11 show alternative heating support
• FIGS. 12 and 13 illustrate the possibility of mounting the heating support in an articulated manner on the housing
• FIGS. 14 to 19 are schematic cross-sections of variants of the heating support
• FIGS. 20 and 21 show other variants of the heating support
• FIG. 22 represents a variant of the finishing device
• Figure 22 after opening the housing Figure 24 shows an alternative finishing device
• Figure 25 shows the device of Figure 24, from the side
• Figure 26 shows another variant of the finishing device
• Figure 27 illustrates the use of a finishing device with a vibrating source carried by a finger of the user.
• FIG. 1 represents an assembly for the implementation of the invention, comprising on the one hand a finishing device 10 and on the other hand by a packaging and application device 100 containing a composition to be applied to the eyelashes which is for example any of those described previously under A) to D).
• Such a composition P is for example in liquid, pasty or gelled form, and contains at least one volatile solvent, which is for example water or an organic solvent. This solvent, while evaporating, allows the composition to harden, for example by crosslinking or coagulating.
• the applicator comprises, for example, a rod 101 which is provided at one end with the applicator member 102 and at the other end with a gripping member 103 which also serves as a cap for closing the container and which is for example arranged to screw on a threaded neck of the container.
• the applicator member 102 is for example a brush or a comb. In the case of a brush, it may be injected or have a twisted core with bristles caught between the turns of the soul.
• the container is for example provided, in conventional manner, with a wiper member for wiping the rod 101 of the applicator and the applicator member 102 during removal from the container.
• the finishing device 10 comprises a heating support 11 and a housing 12 housing an electrical source, which is for example constituted by a flat battery of 9 V.
• the electrical source is rechargeable and can be recharged for example by disposing the application device on a base.
• the 9V battery is replaced by at least one battery 1.5 V baton, or two 1.5 V batteries arranged side by side, or a button cell 3 V.
• the application device can still be powered by the sector.
• the finishing device 10 may comprise a member 14 for controlling the operation of the heating support 11, for example in the form of a contactor, for example a pushbutton, allowing, when pressed by the user, to supplying electrically a heating resistor 15, not shown in Figure 1 but shown in Figure 5 in particular.
• a member 14 for controlling the operation of the heating support 11 for example in the form of a contactor, for example a pushbutton, allowing, when pressed by the user, to supplying electrically a heating resistor 15, not shown in Figure 1 but shown in Figure 5 in particular.
• the finishing device 10 may optionally comprise, as illustrated, a light indicator 16 to signal to the user that the heating resistor 15 has been energized.
• the heating resistor 15 may be chosen such that, even when electrically powered continuously, the temperature at the surface of the heating support 11 remains lower, in a closed environment at 25 ° C., at a temperature likely to cause a risk of burns. the user in case of accidental contact, for example a temperature of 90 ° C.
• the finishing device 10 may comprise a temperature regulating member, for example in the form of a bimetallic thermostat or an electronic control circuit. , comprising, for example, a temperature probe integrated in the heating support 11.
• the surface temperature of the heating support 11 remains between 45 ° C. and 90 ° C., better still between 55 ° and 65 ° C., but it is not beyond the scope of the present invention when the temperature during operation is other, especially superior.
• the surface temperature may vary from less than 5 ° C as one moves about the circumference of the heating support at a point of its length.
• the heating support 11 can be made in various ways and comprises, for example, an envelope 30 defining a housing 31 intended to receive the heating resistor 15, open at one end 32, the distal end 33 of the envelope 30 having, for example, a shape rounded, as illustrated in Figure 5.
• the housing 31 is for example central.
• the outer surface of the envelope 30 may have a relief of the order of 3 to 5 ° for example.
• the thickness of the envelope 30 is for example between 0.3 and 1.5 mm, being for example constant in the circumferential direction around the heating resistor.
• the housing 31 is for example substantially cylindrical in shape, with a diameter of about 1.2 mm, for example.
• the heating resistor 15 has for example a diameter of 1 mm.
• the length of the heating support 11 is for example between 2 and 40 mm, being for example about 30 mm.
• the envelope 30 is for example made of metal, especially aluminum or any other metal or alloy good conductor of heat.
• the casing 30 may also be made of a filled synthetic material, for example a thermoplastic or crosslinked material comprising a charge of particles, in particular aluminum, copper or magnesia particles.
• the heating support 11 may be fixed relative to the housing 12. In a variant, as illustrated in FIGS. 12 and 13, the heating support 11 may be movable relative to the housing 12, for example between a position of use shown in FIG. retracted position shown in Figure 13.
• the displacement of the heating support 11 can take place independently of its power supply or not.
• the power supply may take place in the output position of the heating support 11, regardless of how the finishing device is made.
• locking means in the retracted position or output of the heating support 11 may be provided, these locking means being for example in the form of a relief generating a hard point in the running stroke of the heating support 11.
• the heating support is movable about a quarter of a turn between the retracted position and the retracted position.
• the passage from the retracted position to the retracted position can take place, if necessary, against the return action of an elastic member, and the finishing device can comprise an unlocking member of the heating support 11, so as to that it automatically resumes the output position under the action of return of the elastic member.
• the heating support 11 can be made with different shapes and orientations. In the example of FIG. 10, the possibility has been illustrated for the heating support 11 to extend along a curvilinear longitudinal axis Y, the axis Y being for example substantially circular arc, curvature for example adapted to that of the eyelash fringe.
• the longitudinal axis Y of the heating support 11 is rectilinear and extends at an angle ⁇ with the longitudinal axis Z of the housing 12 of the finishing device.
• the application device 10 may comprise a not shown hood that can cover the heating support 11 before and after use. Such a hood can, if necessary, facilitate the rise in temperature of the heating support through the confinement of hot air.
• the heating support 11 can be made with various shapes and in particular various cross sections, in particular on the portion intended to contact the eyelashes.
• FIGS. 14 to 19 various cross-sectional possibilities are shown in FIGS. 14 to 19.
• the heating support 11 may have an envelope 30 having an outer surface of circular shape in section, as shown in FIG. 14, polygonal, for example triangular as illustrated in FIG. 18, hexagonal as illustrated in FIG. 19, square as illustrated in FIG. 15 or rectangular as shown in Figure 16, with the appropriate at least concave face as shown in Figure 17.
• the envelope 30 of the heating support 11 may have a variable thickness depending on the position along the longitudinal axis Y of the heating support.
• the variation of the thickness of the wall of the casing 30 can be chosen as a function of the temperature to be attained at the surface, as a function, for example, of the nature and position of the heating resistor disposed inside the casing. envelope 30.
• the casing may also have a substantially constant wall thickness over most of the length of the heating support 11.
• the heating resistor 15 may extend all along the portion of the heating support 11 covered by the applicator tip 20, as illustrated in FIG. 5. In a variant, the heating resistor 15 may extend only over a part of this length, as shown in Figure 6, being for example located at the end of the heating support 11. The heating resistor 15 is for example inserted into a housing of the casing 30, with a small clearance, so as to improve the heat transfer.
• the envelope 30 is overmolded on the heating resistor 15, as illustrated in FIG. 7.
• a synthetic material such as silicone, for example filled with particles, to produce the envelope 30.
• metallic or magnesia metallic or magnesia.
• the casing can be made of PTFE (Teflon ® ) or covered with PTFE.
• the envelope 30 may be rigid or flexible.
• the envelope 30 is made of glass.
• the heating support 11 comprises an end portion 19 which is made of a material that is bad conductor of heat and / or which is not heated.
• FIG. 20 shows a variant of a heating support 11 with a recess 25 at the end, for example separating two points 26. The latter can be used to separate the eyelashes, if necessary.
• the hot surface 35 extends only over a portion of the heating support 11.
• the hot surface 35 extends for example to an upper portion only of the heating support 11, as illustrated.
• the heating support is for example made of a poor heat-conducting material, for example a plastic material.
• the heating support 11 may optionally comprise, as shown in dashed lines in FIG. 21, at least one row of teeth outside the hot surface, for example opposite it.
• Figures 22 and 23 illustrate the possibility for the housing 12 to have an elongated shape of a pen.
• the finishing device 10 may comprise a vibrating source.
• the vibrating source is integrated in the finishing device 10.
• its operation can be controlled by means of a switch 18, for example located on the housing 12 on another face than that carrying the switch 14, so as to allow the user act on the switches 14 and 18 with the two fingers of one hand.
• the vibrating source is for example an electric motor rotating an eccentric flyweight, the rotational speed of the motor being a function of the frequency of the vibrations to be produced, this rotation speed being for example between 4,500 and 12,000 revolutions / minute.
• the vibration frequency is for example between 1 and 500 Hz, better 50 to 200 Hz.
• the engine 500 is for example a motor contained in a disk-shaped housing, as can be seen in FIG. 23, and the orientation of the axis of rotation of the engine conditions that of the vibrations transmitted to the heating support 11.
• the heating support 11 is for example subjected to vibrations that are oriented longitudinally, that is to say, parallel to its longitudinal axis or transversely, in particular perpendicular to its longitudinal axis.
• FIG. 24 shows a finishing device 10 arranged to allow attachment thereon of a removable vibrating source 400.
• the latter is for example engaged in a housing of the housing 12 in order to transmit the vibrations it generates to the heating support 11.
• the vibrations can be switched on for example by means of a switch, present for example on the vibrating source 400, which enables the user to choose the operating mode of the device, namely heating with vibrations, vibration alone or heating alone.
• the finishing device 10 may be in an elongate form, as illustrated in FIG. 25, with for example a power supply comprising two stick batteries disposed end-to-end.
• the removable vibrating source 400 may be disposed at the rear of the device.
• FIG. 27 illustrates the possibility of vibrating the finishing device 10 by means of a vibrating source 450 which is temporarily brought into contact with the device 10, for example by being pressed against the housing 12.
• the vibrating source 450 is then, for example, in the form of a ring which is provided with a mounting means 420 on the finger of the user.
• the vibrating source 450 may comprise a contactor 430 which is actuated when the ring is applied against the object to which it must transmit vibrations.
• the contactor 430 is present on the face of the ring which is opposed to the mounting means 420, and the user can transmit the vibrations to the heating support 11 by clamping between the two fingers the finishing device 10, the vibrating ring being mounted on one of these fingers.
• the vibrating source can be made otherwise than with a motor driving an eccentric flyweight, for example comprising a motor driving an eccentric, a piezoelectric or electromechanical vibrator.
• the vibrating source may comprise a motor driving a toothed wheel and a shoe constituted for example by an elastic blade applying to this toothed wheel.
• the user applies the composition P with the aid of the applicator member 102 on the eyelashes, in a conventional manner and then, before the composition has finished drying, brings the heating support 11 into contact with the eyelashes, possibly lifting them, as illustrated in FIGS. 2 and 3.
• the finishing device comprises at least one row of teeth opposite the heating support.
• the vibrating source when attached to the finishing device, for example removably attached thereto, may comprise teeth, which may be used to comb eyelashes, for example.

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• 2007
  • 2007-02-06 FR FR0753096A patent/FR2912041B1/fr active Active
• 2008
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  • 2008-02-06 ES ES08151102.4T patent/ES2673824T3/es active Active
  • 2008-02-06 US US12/526,026 patent/US20100086507A1/en not_active Abandoned
  • 2008-02-06 EP EP08762039A patent/EP2109382A2/de not_active Withdrawn
  • 2008-02-06 KR KR1020097016299A patent/KR101271636B1/ko not_active Expired - Fee Related
  • 2008-02-06 CN CN2008800043194A patent/CN101646367B/zh not_active Expired - Fee Related
  • 2008-02-06 WO PCT/FR2008/050181 patent/WO2008104678A2/fr not_active Ceased
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