EP3952693B1 - Applicateur pour appliquer un produit capillaire, et procédé d'application associé - Google Patents

Applicateur pour appliquer un produit capillaire, et procédé d'application associé Download PDF

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Publication number
EP3952693B1
EP3952693B1 EP20716480.7A EP20716480A EP3952693B1 EP 3952693 B1 EP3952693 B1 EP 3952693B1 EP 20716480 A EP20716480 A EP 20716480A EP 3952693 B1 EP3952693 B1 EP 3952693B1
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EP
European Patent Office
Prior art keywords
spikes
spike
applicator
hair
surface tension
Prior art date
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Application number
EP20716480.7A
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German (de)
English (en)
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EP3952693C0 (fr
EP3952693A1 (fr
Inventor
Henri Samain
Franck Giron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
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Publication of EP3952693A1 publication Critical patent/EP3952693A1/fr
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Publication of EP3952693C0 publication Critical patent/EP3952693C0/fr
Publication of EP3952693B1 publication Critical patent/EP3952693B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D19/00—Devices for washing the hair or the scalp; Similar devices for colouring the hair
    • A45D19/02—Hand-actuated implements, e.g. hand-actuated spray heads
    • A45D19/026—Hand-actuated implements, e.g. hand-actuated spray heads having brush or comb applicators

Definitions

  • the present invention relates to an applicator for applying a hair product, in particular a hairstyling composition comprising a fixing agent for shaping the hair.
  • the hair is styled, for example with instruments that deliver heat, such as a hot-air hair dryer, and a mechanical stress is applied to the hair, in particular to the roots.
  • this technique referred to as blow drying
  • hairstyling compositions comprising a fixing agent such as aerosol lacquers, capable of helping the hair shaping created to withstand the movements of the day, and gravity.
  • This use of a hairstyling composition comprising a fixing agent is in particular necessary for people with fine and/or straight hair for the shape retention of the hair shaping given during the blow drying.
  • the use of aerosol lacquers, in particular on such fine and/or straight hair leads to inconveniences, in particular aesthetic inconveniences.
  • the product is delivered in the form of droplets which are deposited on the surface of the hair. When the droplets dry, each one forms a small join, of around 200 ⁇ m.
  • coalescent droplets on the hair produce sizeable local accumulations of product that are more extensive, over several millimetres.
  • Another solution is to use lacquers that employ more concentrated formulations.
  • lacquers that employ more concentrated formulations.
  • this solution requires the use of resins in dispersion form in order to be able to be diffused in the form of a spray.
  • the problem with this solution is that it then becomes very difficult to comb and wash the hair because the joins based on resins in dispersion form are much more difficult to remove.
  • Tests have been carried out to reduce the ability of the droplets to spread along or between the hairs, such as for example by reducing the surface tension of the liquid, but the results have not been deemed to be sufficient.
  • the Applicant Company has developed an applicator comprising a plurality of protruding spikes that delimit, at their free ends, cavities for retaining the composition to be applied.
  • an applicator comprising a plurality of protruding spikes that delimit, at their free ends, cavities for retaining the composition to be applied.
  • the composition is retained inside said cavities by capillary action before being deposited on the hair in the form of droplets.
  • the Applicant company has observed that the droplets are deposited mainly on a first upper layer of the hair.
  • the hairs are therefore mainly held in this first layer of the hair.
  • This method is suitable for achieving a lifting of the roots of the hair, in particular at the border between the face and the hair, but is trickier to carry out for the other regions of the hair in so far as it is necessary to move some hairs to reach other hairs.
  • the method requires the deposition of quite large amounts of hairstyling composition since it is distributed in the volume of the head of hair. Hence, the drying of the composition is relatively long and requires patience since it is necessary to wait for it dry completely before being able to move.
  • WO 2015/034105 A2 discloses a method for uniformly applying a hair preparation to a hair strand using a hair preparation applying implement.
  • the present invention relates to an applicator for applying a hair product, as defined in claim 1, and to a corresponding method for applying a hairstyling composition, as defined in claim 15. Preferred features are set out in the dependent claims.
  • One subject of the invention is an applicator for applying a hair product comprising a base and spikes protruding from the base and having an elongate shape.
  • At least a plurality of spikes each have a surface tension that varies along its length.
  • a distal application portion of each spike of said plurality of spikes has a surface tension greater than that of a proximal portion of said spike.
  • spikes is understood to mean separable protruding elements on the applicator.
  • the spikes can have a cylindrical, conical, parallelepipedal, triangular, irregular, etc. shape.
  • proximal portion of a spike is understood to mean the portion of the spike that is closest to the base, and the “distal portion” the end portion of the spike that is furthest from the base while being located on the same side of the proximal portion with respect to the base.
  • the distal application portion of each spike of said plurality of spikes may be adjacent to the proximal portion of said spike.
  • a drop of liquid is deposited on the solid surface to be characterized. At equilibrium, the angle ⁇ that the liquid forms with the solid surface is measured.
  • the distal portions of the spikes may have one or more surface tension values.
  • the proximal portions of the spikes may have one or more surface tension values which remain lower than that (those) of the distal portions.
  • the surface tension values of the distal application portions and of the proximal portions of the spikes are advantageously chosen as a function of the hair product to be applied.
  • the surface tension of the distal application portions of the spikes may advantageously be greater than that of the hair product to be applied.
  • the surface tension of the proximal portions of the spikes may advantageously be lower than that of the hair product to be applied.
  • the hair product has a tendency to move towards the ends of the spikes given the surface tension of the distal application portions and of the proximal portions of said spikes relative to the surface tension of the hair product.
  • the hair product is deposited mainly on the layer of hair that is located under the first layer of the hair without necessarily treating the the entire volume of the hair, i.e. without treating either the first layer of hair or the inner layer of hair that is in the immediate vicinity of the scalp.
  • the deposited product may dry relatively quickly in so far as it is located close to the outer surface of the first layer of the hair.
  • each spike of said plurality of spikes is provided with the free end of said spike.
  • the distal application portion and proximal portion of each spike of said plurality of spikes are fixed relative to one another.
  • each spike may be made in one piece.
  • each spike of said plurality of spikes is provided with a sleeve delimiting the proximal portion of said spike.
  • each spike of said plurality of spikes can slide relative to one another, and are partly mounted one inside the other.
  • the applicator may further comprise an actuating member for the displacement of the distal application and proximal portions of each spike of said plurality of spikes relative to one another.
  • the actuating member comprises a plate that is movable relative to the base and that supports the proximal portion, or the distal application portion, of each spike of said plurality of spikes.
  • the applicator may further comprise at least one elastically deformable return element which is interposed between the plate and the base.
  • the distal application portions of the spikes have a flat shape or a section that decreases in the direction of their free end.
  • they may be produced for example in the form of points or portions of spheres, in particular hemispheres.
  • the spikes having other shapes, for example a concave shape so as to form product-retaining cavities, a corrugated shape, etc.
  • the base of the applicator delimits a frontal face from which the spikes protrude, the density of spikes on said frontal face being between 1 and 20 per cm 2 , and preferably between 3 and 12 per cm 2 .
  • Said frontal face of the base of the applicator may be between 10 and 1000 cm 2 , and preferably between 50 and 400 cm 2 .
  • the total number of spikes may vary from 20 to 20 000, better still from 50 to 10 000, and preferably from 100 to 2000.
  • the spikes extend in the same direction and are also preferably the same height.
  • the spikes may be identical to one another.
  • the spikes may for example have a constant section over their entire height or, on the contrary, a variable section.
  • the spikes have, for example, a section that is circular or polygonal, such as rectangular, square, etc., or else irregular in shape.
  • the transverse dimension of the spikes may be between 0.5 mm and 10 mm and preferably between 1 mm and 5 mm.
  • the height of the spikes may for example be between 10 mm and 40 mm, and preferably between 12 mm and 30 mm.
  • all of the spikes of the applicator each have a surface tension that varies in the direction of the length thereof.
  • only some of the spikes of the applicator may each have a surface tension that varies in the direction of the length thereof.
  • Another subject of the invention is a system for packaging and applying a product, notably a cosmetic product, comprising a receptacle for storing said product, and an applicator as defined above mounted in a removable manner between a closure position of the receptacle and an application position in which the applicator is separated from said receptacle.
  • Another subject of the invention is a method of applying a hairstyling composition comprising at least one fixing agent to hair with the aid of an applicator as defined above, comprising:
  • the method according to the invention may be implemented on dry hair or wet hair.
  • the hair is dry.
  • the applicator can be withdrawn and the composition deposited on the hair can be dried, for example with the aid of a hair dryer or heating hood, or else left to dry naturally.
  • the method comprises a prior step that consists in loading the spikes of the applicator with the hairstyling composition to be applied.
  • the applicator may be loaded with composition before each use.
  • the composition may be withdrawn directly by the spikes of the applicator from a receptacle containing the composition.
  • the spikes of the applicator may for example be pressed onto a sponge impregnated with composition, in order to be loaded with composition.
  • the applicator is submerged in the composition.
  • the applicator may also be brought into contact with a roller loaded with composition.
  • the applicator can be cleaned after use and the composition remaining on the applicator after use can be removed easily, the applicator being cleaned for example with water or with the aid of any suitable solvent, by using an absorbent cloth, by aspiration or by gas jet, etc.
  • the applicator is reloaded for example with a composition identical to the composition used previously, or it can be loaded with a different composition.
  • the loading of composition onto the applicator may involve the removal of excess composition from the applicator so that the composition is not present anywhere other than on the spikes.
  • compositions that can be used are in the form of liquids or gels, creams, pastes, which may or may not comprise a pulverulent phase, or powder.
  • the composition When the composition is liquid, it may be in the form of a lotion or emulsion.
  • the composition may be in the form of a liquid, a lotion or a fluid emulsion or a gel that is not very thick.
  • the viscosity of the composition varies preferably from 1 to 200 cps at 25°C and at a shear rate of 1 s -1 .
  • the viscosity measurements to which reference is made are taken using a rheometer with cone-plate geometry.
  • compositions known to a person skilled in the art for styling and fixing the hair may be chosen, in particular those that are introduced into aerosol devices in the presence of a propellant gas so as to be used in lacquer form. It is also possible to use a composition inspired by these compositions but superconcentrated in fixing agent.
  • the composition comprises at least one fixing agent, if necessary in a cosmetically acceptable medium, the latter preferably being water-, alcohol- or aqueous alcohol-based.
  • the cosmetic composition may in particular comprise one or more organic solvents, preferably in an amount by mass of between 0.05 and 95%, very preferably between 1 and 70% by weight, relative to the total weight of the composition.
  • This organic solvent may be a C 2 to C 4 lower alcohol, in particular ethanol and isopropanol, polyols and polyol ethers such as propylene glycol, polyethylene glycol or glycerol.
  • the organic solvent is preferably ethanol or isopropanol, and even more preferably is ethanol.
  • the composition may comprise one or more fixing polymers as fixing agent.
  • fixing polymer is understood to mean any polymer that makes it possible to give a shape to the hair or to hold the hair in a given shape.
  • All the anionic, cationic, amphoteric and nonionic fixing polymers and mixtures thereof that are used may be used as fixing polymers in the compositions to be applied to the hair according to the method of the invention.
  • fixing polymers that can be used, reference may be made for example to the abovementioned Patent Application WO-A2-2012/107887 .
  • the surface tension of the distal application portions of the spikes is greater than that of the hair composition to be applied, and preferably at least 10% greater than that of the composition.
  • the surface tension of the proximal portions of the spikes is lower than that of the hair composition to be applied, and preferably at least 10% lower than that of the composition.
  • the distal portions of the spikes may be made from a plastic material having a surface tension greater than or equal to 25 mN.m -1 , notably a PE having a surface tension between 31 and 36 mN.m -1 , or a PVC having a surface tension equal to 39 mN.m -1 , or a POM having a surface tension equal to 43 mN.m -1 , or a Nylon having a surface tension equal to 46 mN.m -1 .
  • the distal portions of the spikes may be made from other types of materials, for example of ceramic or of metal oxide, in particular of silica having a surface tension greater than or equal to 100 mN.m -1 , or else of metal, for example of aluminium having a surface tension equal to 1100 mN.m -1 , or of iron having a surface tension equal to 2000 mN.m -1 .
  • the proximal portions of the spikes may be made from a fluorinated material such as Teflon or PTFE having a surface tension between 10 and 20 mN.m -1 .
  • the distal portions of the spikes may be made from a plastic material having a surface tension greater than or equal to 43 mN.m -1 , notably a POM having a surface tension equal to 43 mN.m -1 or a Nylon having a surface tension equal to 46 mN.m -1 or else made of ceramic or of metal oxide, in particular of silica having a surface tension greater than or equal to 100 mN.m -1 , or else of metal, for example of aluminium having a surface tension equal to 1100 mN.m -1 , or of iron having a surface tension equal to 2000 mN.m -1 .
  • the proximal portions of the spikes may be made from a material having a surface tension less than or equal to 35 mN.m -1 , in particular a PE having a surface tension between 31 and 35 mN.m -1 or else from a fluorinated material such as Teflon or PTFE having a surface tension between 10 and 20 mN.m -1 .
  • the distal portions of the spikes may be made from a plastic material having a surface tension greater than or equal to 51 mN.m -1 , notably a polyacrylonitrile having a surface tension equal to 51 mN.m -1 , or else made of ceramic or of metal oxide, in particular of silica having a surface tension greater than or equal to 100 mN.m -1 , or else of metal, for example of aluminium having a surface tension equal to 1100 mN.m -1 , or of iron having a surface tension equal to 2000 mN.m -1
  • the proximal portions of the spikes may be made from a material having a surface tension less than or equal to 41 mN.m -1 , in particular a PE having a surface tension between 31 and 36 mN.m -1 or else from a fluorin
  • the distal portions of the spikes may be made of ceramic or of metal oxide, in particular of silica having a surface tension greater than or equal to 100 mN.m -1 , or else of metal, for example of aluminium having a surface tension equal to 1100 mN.m -1 , or of iron having a surface tension equal to 2000 mN.m -1 .
  • the proximal portions of the spikes may be made from a polymer material or from a fluorinated material such as Teflon or PTFE having a surface tension between 10 and 20 mN.m -1 .
  • the surface tension of the composition must be considered with the adjuvants that it contains. Thus, if the composition is aqueous and contains a surfactant, this reduces the surface tension and leads to considering not the surface tension of the water but the surface tension of the fluid.
  • a surface treatment may modify the surface tension of the material of the spikes. For example, if a silica zone is treated by a phosphate-type treatment, or a treatment that renders it hydrogenated or fluorinated, the surface tension of this zone may for example change from 150 mN.m -1 to 40, 30 or even be less than 20 mN.m -1 .
  • the applicator may be rigid, semi-rigid or flexible.
  • the base of the applicator may be rigid, semi-rigid or flexible.
  • the base is preferably made of a non-absorbent material.
  • non-absorbent is understood to mean intrinsically impermeable to the composition, that is to say not allowing the diffusion of the composition inside it.
  • the non-absorbent material may be for example a metallic or thermoplastic material, in particular chosen from polyolefins, and polyamides including nylons and polyester.
  • the spikes are also preferably made of a non-absorbent material.
  • the base of the applicator may have a transverse dimension of a few centimetres, or else be much larger to cover a large part of the head in a single action.
  • the method according to the invention can be implemented directly by the consumer in order to put in place or touch up his or her hairstyle, as is illustrated in Figure 1 .
  • the method can be implemented in a professional setting.
  • the method of the invention is implemented with the aid of an applicator 10 for applying a hairstyling composition comprising at least one fixing agent to the consumer's hair.
  • an applicator 10 for applying a hairstyling composition comprising at least one fixing agent to the consumer's hair.
  • the transfer of the composition from the applicator 10 to the hair is carried out by introducing said applicator into the hair.
  • the applicator 10 is pre-loaded with composition to be applied before the step of transferring to the hair.
  • the applicator 10 comprises a base 12 and a plurality of spikes 14 extending therefrom. As will be described in more detail subsequently, each spike 14 of the applicator 10 has a surface tension which is variable along the length thereof.
  • the applicator 10 also comprises a tab 15 to facilitate the gripping thereof and the handling thereof.
  • the tab 15 extends from the base 12 on the opposite side from the spikes 14. Alternatively, it is possible for the applicator 10 not to have such a tab.
  • the base 12 has a cylindrical overall shape. In a variant, it is possible to provide other shapes, for example polygonal, oval, etc. for the base.
  • the spikes 14 make it possible to apply the composition to the consumer's hair.
  • the spikes 14 extend transversely with respect to the base 12.
  • the longitudinal axes of the spikes 14 are mutually parallel.
  • the spikes 14 are preferably identical to one another.
  • the spikes 14 extend from a frontal face 16 of the base 12.
  • the base 12 is delimited axially by the first frontal face 16 and by a second frontal face 18 opposite the first frontal face 16.
  • the frontal faces 16, 18 form end faces of the base 12.
  • the frontal faces 16, 18 are in this case flat. As a variant, these faces might be slightly convex or concave.
  • the spikes 14 are spaced apart regularly from one another. Depending on the spacing of the spikes 14, the fixing effect of one and the same composition will be different. By way of indication, the spacing or distance between the spikes 14 may be between 2 mm and 8 mm. Alternatively, it might be possible to provide an inter-spike 14 spacing that is not regular, for example when the composition is intended to be deposited in a particular pattern.
  • the spikes 14 have an elongate shape. In the exemplary embodiment illustrated, the spikes 14 have a cylindrical overall shape. Alternatively, the spikes 14 can have other shapes.
  • the spikes 14 have in this case a height of 12 mm. In other embodiments, it is possible to provide a height of between 10 mm and 40 mm, and preferably between 12 mm and 30 mm.
  • the applicator comprises in this case more than 100 spikes. In a variant, it is possible to provide a different number of spikes. By way of indication, the diameter of each spike 14 is in this case 1.5 mm. In other embodiments, it is possible to provide a spike diameter of between 0.5 mm and 10 mm, and preferably between 1 mm and 5 mm.
  • each spike 14 comprises a free end 14a of flat shape.
  • ends of the spikes may be provided with cavities, for example of spherical shape.
  • the applicator 10 can be made by moulding a rigid plastic material, for example PP, PE, HDPE, etc., or else a flexible plastic material. In the exemplary embodiment illustrated, the applicator 10 is made by moulding in one piece.
  • the spikes 14 are made as one piece with the base 12.
  • each spike 14 of the applicator 10 varies in the direction of its length.
  • the surface tension of a distal portion 20 ( Figure 5 ) of each spike 14 provided with the free end 14a is greater than the surface tension of a proximal portion 22 of said spike 14.
  • the proximal portion 22 of said spike is connected to the base 12. More precisely, the proximal portion 22 of the spike is connected to the frontal face 16 of the base.
  • the distal portion 20 prolongs the proximal portion 22.
  • the length of the distal portion 20 is less than 50% of the total length of said spike 14.
  • a shoulder is made between the distal portion 20 and the proximal portion 22.
  • the distal portion 20 in this case has a reduced diameter compared to the proximal portion 22.
  • the distal portion 20 and proximal portion 22 of each spike may be of the same diameter.
  • the distal portion 20 and proximal portion 22 of said spike 14 are delimited solely by the variation in the surface tension of said spike 14, and not also by a difference in diameter.
  • the spikes 14 of the applicator are made by moulding in one piece.
  • the proximal portion 22 has a reduced surface tension compared to that of the distal portion 20, a surface treatment is provided on said spike in the region intended to form this proximal portion. It is for example possible to make provision for a deposition by plasma technology or else by Corona treatment.
  • the surface tension values of the distal portions 20 and of the proximal portions 22 of the spikes 14 of the applicator are chosen depending on the hairstyling composition to be applied to the hair.
  • the surface tension of the distal portions 20 of the spikes 14 is greater than that of the hairstyling composition to be applied, and preferably at least 10% greater.
  • the surface tension of the proximal portions 22 of the spikes is lower than that of the hairstyling composition to be applied, and preferably at least 10% lower.
  • composition to be applied may be in the form of liquids or gels, creams, pastes, which may or may not comprise a pulverulent phase, or powder.
  • composition When the composition is liquid, it may be in the form of a lotion or emulsion.
  • the composition is thick, either by the addition of a third thickening compound, or because the concentration of resin gives a thickened appearance.
  • the viscosity of the composition may vary preferably from 10 to 100 cps at 25°C and at a shear rate of 1 s -1 .
  • the user can act as follows.
  • the user loads the composition onto the spikes 14 of the applicator, for example by dipping them into a receptacle containing the composition.
  • a layer of composition covers each of the spikes 14.
  • the user introduces the applicator into the hair so that the spikes 14 penetrate under the first layer of the hair, for example from 5 mm to 10 mm.
  • the composition present on the proximal portions 22 of the spikes 14 has a tendency to move towards the distal portions 20 thereof, given the surface tension of these proximal portions relative to that of the composition.
  • the composition is then mainly concentrated on the distal portions 20 of the spikes.
  • the composition is deposited by the distal portions 20 of the spikes 14 by capillary action in a localized manner mainly in the layer of hair that is located under the first layer of the hair.
  • the deposited composition may dry relatively quickly in so far as it is located close to the outer surface of the first layer of the hair.
  • the spikes 14 of the applicator are made by moulding in one piece.
  • the distal portions 22 of the spikes could be produced in the form of attached elements that are fastened to the proximal portions 20 by any appropriate means, for example by adhesive bonding or else by overmoulding.
  • the distal portions 22 and the proximal portions 20 of the spikes are in this case made from different materials having different surface tension values.
  • each spike 14 is equipped with a sheath or sleeve 24 that partially covers it.
  • the sleeve 24 is mounted on the associated spike 14 to bear against the base 12 and to leave an end portion of said spike uncovered.
  • the sleeve 24 delimits the proximal portion 22 of the associated spike and the portion of the spike left free by the sleeve delimits the distal portion 20.
  • Each sleeve 24 is made from a material having a lower surface tension than that of the material of the spike 14.
  • the distal portions 22 and the proximal portions 20 of the spikes of the applicator are fastened relative to one another.
  • each spike 40 of the applicator comprises distal and proximal portions that slide relative to one another.
  • the base 12 comprises a plurality of teeth 30 extending therefrom and transversely to said base.
  • the longitudinal axes of the teeth 30 are mutually parallel.
  • the teeth 30 are preferably identical to one another.
  • the teeth 30 extend from a frontal face 16 of the base 12.
  • the teeth 30 are here spaced apart regularly from one another. Alternatively, it is possible to provide a non-regular inter-teeth 30 spacing.
  • the teeth 30 have an elongate shape, here a cylindrical shape. As a variant, it is possible to provide other shapes.
  • each tooth has a free end 30a of flat shape.
  • ends of the teeth may be provided with cavities, for example of spherical shape.
  • the applicator also comprises a plate 32 slidably mounted relative to the base 12 and positioned on the opposite side from the teeth 30.
  • the plate 32 comprises a plurality of teeth 34 extending therefrom and transversely to said plate. Each tooth 34 is slit along its entire length. The number of teeth 34 is equal to the number of teeth 30.
  • Each tooth 34 extends through two through-recesses 36 of oblong shape of the plate 32. Each tooth 34 partly covers one of the teeth 30 of the plate and is slidably mounted thereon.
  • the applicator 10 also comprises a plurality of springs 38 interposed between the plate 32 and the base 12. One end of each spring 38 is fastened to the plate 32 whilst the other end of the spring is fastened to the base 12.
  • the springs 38 are positioned around some of the teeth 34.
  • the springs 38 may for example be of helical type.
  • the plate 32 is slidably mounted relative to the base 12.
  • the plate 32 is movable between a far-away end position illustrated in Figure 7 and a close-up end position illustrated in Figure 8 .
  • the movement from the far-away end position to the close-up end position may be obtained by the user by exerting pressure on the plate 32.
  • the springs 38 return to their initial shape via elasticity, which also causes the plate to return to its starting far-away end position before stress loading.
  • each tooth 34 leaves the end portion of the tooth 30 over which it slides free.
  • the length of the end portion of the tooth 30 left free by the tooth 34 is preferably less than 50% of the length of the portion of said tooth 34 which covers said tooth 30.
  • each tooth 30 and the associated tooth 34 form a spike 40.
  • the tooth 34 forms the proximal portion of the spike relative to the base 12 and the tooth 30 forms the distal portion.
  • the user can act as follows.
  • the user loads the composition onto the spikes 40 of the applicator, for example by dipping them into a receptacle containing the composition.
  • the surface tension of the teeth 34 of the spikes is greater than that of the composition, and the surface tension of the teeth 30 is lower than that of the composition.
  • a layer of composition covers the teeth 30, 34 of each of the spikes 40.
  • the loading of the applicator 10 with composition is preferably carried out with the plate 32 in its far-away end position.
  • the loading of the applicator 10 may be carried out with the plate 32 positioned between its far-away end position and its close-up end position.
  • the user introduces the applicator into the hair so that the spikes 40 penetrate under the first layer of the hair, for example from 5 mm to 10 mm, and makes the teeth 34 slide over the teeth 30 by exerting a pressure on the plate 32.
  • the composition present on the teeth 34 of the spikes 40 has a tendency to move towards the teeth 30 thereof, given the surface tension of these portions of teeth 34 relative to that of the composition. Furthermore, during the sliding of the teeth 34 over the teeth 30, the composition also moves along the teeth 30 forming a droplet at the end of each spike 40, which is transferred to the hair. A very localized fixing is thus obtained on the layer located under the first layer of the hair.
  • the teeth 34 slide along the teeth 30.
  • the movement of the teeth 34 relative to the teeth 30 is controlled manually.
  • this movement could be controlled in an assisted manner, for example with an electromagnet or else a motor.

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  • Cosmetics (AREA)
  • Closures For Containers (AREA)
  • Brushes (AREA)

Claims (15)

  1. Applicateur pour l'application de produit capillaire comprenant une embase (12) et des picots (14 ; 40) s'étendant en saillie par rapport à l'embase et présentant une forme allongée, caractérisé en ce qu'au moins une pluralité de picots (14 ; 40) présentent chacun une tension superficielle variable le long de sa longueur, une portion distale d'application (20 ; 30) de chaque picot de ladite pluralité de picots présentant une tension superficielle supérieure à celle d'une portion proximale (22 ; 34) dudit picot.
  2. Applicateur selon la revendication 1, dans lequel la portion distale d'application (20 ; 30) de chaque picot de ladite pluralité de picots est pourvue de l'extrémité libre (14a ; 30a) dudit picot.
  3. Applicateur selon la revendication 1 ou 2, dans lequel la partie distale d'application (20 ; 30) de chaque picot de ladite pluralité de picots est adjacente à la partie proximale (22 ; 34) dudit picot.
  4. Applicateur selon l'une quelconque des revendications précédentes, dans lequel les parties distale d'application (20) et proximale (22) de chaque picot de ladite pluralité de picots sont fixes l'une relativement à l'autre.
  5. Applicateur selon la revendication 4, dans lequel les parties distale d'application et proximale (20, 22) de chaque picot (14) sont réalisées en une seule pièce.
  6. Applicateur selon la revendication 4, dans lequel chaque picot de ladite pluralité de picots est pourvu d'un manchon (24) délimitant la portion proximale (22) dudit picot.
  7. Applicateur selon l'une quelconque des revendications 1 à 3, dans lequel les parties distale d'application et proximale (30, 34) de chaque picot (40) de ladite pluralité de picots sont coulissantes l'une relativement à l'autre, et montées en partie l'une à l'intérieur de l'autre.
  8. Applicateur selon la revendication 7, comprenant en outre un organe d'actionnement pour le déplacement des parties distale d'application et proximale (30, 34) de chaque picot (40) de ladite pluralité de picots l'une relativement à l'autre.
  9. Applicateur selon la revendication 8, dans lequel l'organe d'actionnement comprend une platine (32) mobile par rapport à l'embase et supportant la partie proximale, ou la partie distale d'application, de chaque picot de ladite pluralité de picots.
  10. Applicateur selon la revendication 9, comprenant en outre au moins un élément de rappel (42) déformable élastiquement qui est interposé entre la platine (32) et l'embase (12).
  11. Applicateur selon l'une quelconque des revendications précédentes, dans lequel l'embase délimite une face frontale (16) par rapport à laquelle s'étendent en saillie les picots (14 ; 40), la densité de picots sur ladite face frontale étant comprise entre 1 et 20 par cm2, et de préférence entre 3 et 12 par cm2.
  12. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la dimension transversale des picots (14 ; 40) est comprise entre 0,5 mm et 10 mm, et de préférence entre 1 mm et 5 mm.
  13. Applicateur selon l'une quelconque des revendications précédentes, dans lequel la hauteur des picots (14 ; 40) est comprise entre 10 mm et 40 mm, et de préférence entre 12 mm et 30 mm.
  14. Système de conditionnement et d'application d'un produit, notamment d'un produit cosmétique, comprenant un récipient de stockage dudit produit, et un applicateur selon l'une quelconque des revendications précédentes monté de manière amovible entre une position de fermeture du récipient et une position d'application dans laquelle l'applicateur est séparé dudit récipient.
  15. Procédé d'application sur des cheveux d'une composition de coiffage comprenant au moins un agent fixant à l'aide d'un applicateur selon l'une quelconque des revendications 1 à 13, comprenant :
    - une étape de chargement des picots de l'applicateur, avec la composition de coiffage présentant une tension superficielle qui est inférieure à celle de la partie distale de chaque picot de ladite pluralité de picots, et qui est supérieure à celle de la partie proximale de chaque picot de ladite pluralité de picots, et
    - une étape de transfert sur les cheveux de la composition de coiffage retenue sur les picots de l'applicateur par introduction desdits picots dans la chevelure.
EP20716480.7A 2019-04-08 2020-04-07 Applicateur pour appliquer un produit capillaire, et procédé d'application associé Active EP3952693B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1903723A FR3094613B1 (fr) 2019-04-08 2019-04-08 Applicateur pour l’application de produit capillaire, et procédé d’application associé
PCT/EP2020/059922 WO2020208034A1 (fr) 2019-04-08 2020-04-07 Applicateur pour appliquer un produit capillaire, et procédé d'application associé

Publications (3)

Publication Number Publication Date
EP3952693A1 EP3952693A1 (fr) 2022-02-16
EP3952693C0 EP3952693C0 (fr) 2024-03-13
EP3952693B1 true EP3952693B1 (fr) 2024-03-13

Family

ID=67742659

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Application Number Title Priority Date Filing Date
EP20716480.7A Active EP3952693B1 (fr) 2019-04-08 2020-04-07 Applicateur pour appliquer un produit capillaire, et procédé d'application associé

Country Status (3)

Country Link
EP (1) EP3952693B1 (fr)
FR (1) FR3094613B1 (fr)
WO (1) WO2020208034A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738084C1 (en) * 1987-08-07 1988-11-24 Extruform Kunststoffverarbeitu Hairbrush
US6530378B1 (en) * 2000-02-22 2003-03-11 Andrey Piatetsky Liquid-reservoir hairbrush system
FR2971157B1 (fr) 2011-02-08 2013-10-04 Oreal Procede d'application d'une composition capillaire sur les cheveux.
WO2015034105A2 (fr) * 2013-09-06 2015-03-12 Kao Corporation Produit cosmétique capillaire et procédé d'application d'une préparation capillaire
US9462873B2 (en) * 2014-07-15 2016-10-11 L'oreal Cosmetic formulation dispensing head for a personal care appliance
FR3029397B1 (fr) 2014-12-03 2017-01-13 Oreal Procede de mise en forme de la chevelure

Also Published As

Publication number Publication date
FR3094613B1 (fr) 2022-07-08
WO2020208034A1 (fr) 2020-10-15
EP3952693C0 (fr) 2024-03-13
EP3952693A1 (fr) 2022-02-16
FR3094613A1 (fr) 2020-10-09

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