WO2023001983A1 - Brosse et procédé de traitement des cheveux - Google Patents

Brosse et procédé de traitement des cheveux Download PDF

Info

Publication number
WO2023001983A1
WO2023001983A1 PCT/EP2022/070542 EP2022070542W WO2023001983A1 WO 2023001983 A1 WO2023001983 A1 WO 2023001983A1 EP 2022070542 W EP2022070542 W EP 2022070542W WO 2023001983 A1 WO2023001983 A1 WO 2023001983A1
Authority
WO
WIPO (PCT)
Prior art keywords
teeth
combing
hair
zone
heated
Prior art date
Application number
PCT/EP2022/070542
Other languages
English (en)
Inventor
Marine BOUAZIZ
Laurent CLARISSOU
Mélissa CHAMPEAUX
Ngoc-Ian LUSSAN
Gabin Vic
Fabrice OSOLIN
Chloe THIEULET
Original Assignee
L’Oreal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR2107945A external-priority patent/FR3125400A1/fr
Application filed by L’Oreal filed Critical L’Oreal
Priority to CN202280064121.5A priority Critical patent/CN117979859A/zh
Priority to KR1020247005804A priority patent/KR20240038031A/ko
Priority to EP22753709.9A priority patent/EP4373347A1/fr
Publication of WO2023001983A1 publication Critical patent/WO2023001983A1/fr

Links

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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances
    • A45D2/002—Hair straightening appliances with combs
    • 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
    • A45D24/00—Hair combs for care of the hair; Accessories therefor
    • A45D24/22—Combs with dispensing devices for liquids, pastes or powders
    • 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
    • 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
    • A45D24/00—Hair combs for care of the hair; Accessories therefor
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/02—Processes of waving, straightening or curling hair thermal
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/04—Processes of waving, straightening or curling hair chemical
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/06—Processes of waving, straightening or curling hair combined chemical and thermal

Definitions

  • the present invention relates to a brush for treating the hair and to a corresponding method for treating the hair.
  • the patent application DEI 9822718 mentions a comb of which the teeth may be perforated in order to output steam which comes into contact with the hair.
  • the brush does not have steam outlet nozzles, and the teeth are heated by a heating resistor without steam being applied.
  • Such a brush with steam-heated perforated teeth is difficult to manufacture and limits the temperature imparted to the hair. It may also result in uneven treatment due to steam being over-concentrated locally in certain parts of the hair.
  • the patent application KR20030085159A describes a brush having a plurality of spikes that are heated by a heating resistor in the base and having steam outlets between the spikes.
  • the steam outlets and the spikes are distributed over the entire surface of the brush.
  • Such a brush therefore does not allow steam to be applied to a limited part of the head of hair and the action of the steam to be separated from the action of the dry heat.
  • the present invention meets this need with the aid of a brush for treating the hair, in particular for straightening, having: at least one heated hair combing zone, without a steam outlet, in which the brush has: o a plurality of teeth and o heating means for heating at least two teeth of the plurality of teeth, at least one steam outlet zone in which the brush has at least one steam outlet, the steam outlet zone or zones being separate from the heated hair combing zone or zones.
  • a “brush” is understood to be a device for treating the hair that is constituted of a single arm bearing a plurality of teeth, between which the hair is received when the brush passes through the head of hair.
  • the brush may have a single row of teeth or have preferably a plurality of rows of teeth.
  • Teeth are understood to be elements protruding from the brush and extending from the treatment surface of the brush, between which the hair is received when the brush passes through the head of hair.
  • the teeth may have any shape.
  • a “ heated combing zone” is understood to be a zone with at least two teeth that does not have a steam outlet, as is specified above. It is not excluded for the brush to have other elements except for a steam outlet in the heated combing zone, in particular an applicator member for applying cosmetic product.
  • the heated combing zone is delimited on the brush by the external edges of the teeth heated by the heating means, which are at the periphery of the heated combing zone.
  • a “ steam outlet zone” is understood to be a zone with at least one steam outlet. It is not excluded for the brush to have other elements in the steam outlet zone, in particular heated teeth and/or an applicator member for applying cosmetic product, as will be shown below. Such a brush makes it possible to treat the hair effectively by performing on the hair at least one simultaneous heating/combing step and at least one step of applying steam to one and the same lock of hair, the two steps being temporally offset.
  • the brush has an elongate shape along a main axis.
  • the brush is not elongate.
  • the brush has a handle and a head, the head bearing the treatment surface.
  • the handle makes it easier to hold the brush and allows additional elements to be added to the brush, in particular a user interface, a water or cosmetic product reservoir and/or one or more sensors.
  • the head of the brush may have any shape in cross section.
  • the head of the brush has a substantially polygonal, in particular substantially rectangular or substantially square, substantially oval, or substantially circular cross section
  • the brush has a treatment surface, the teeth extending from the treatment surface.
  • this treatment surface is flat or domed towards the outside.
  • this treatment surface has a substantially polygonal, in particular rectangular or square, circular or oval outline.
  • the treatment surface is made of a heat conducting material, in particular of iron, aluminium, titanium, stainless steel, graphite, or ceramic.
  • the treatment surface may be heated by the heating means for heating the treatment surface.
  • the heat-conductive material has a thermal conductivity greater than 10 Wrn ⁇ K 1 , better than 50 Wm ⁇ K 1 , better than 100 Wm 'K 1 .
  • the thermally conductive material is selected from metals, in particular copper, aluminium, iron and steel.
  • the heat-conducting material may be ceramic.
  • Heated combing zone(s) The brush may comprise a plurality of discontinuous heated combing zones, in particular separated from one another by a steam outlet zone.
  • the or each heated combing zone is elongate along a longitudinal axis, in particular an axis parallel to the main axis of the brush.
  • the brush may comprise a plurality of heated combing zones that are discontinuous and separated from one another, in particular by a steam outlet zone or an additional treatment zone, in particular for application of a cosmetic product, as will be shown below.
  • the heated hair combing zone or the set of heated hair combing zones extend(s) over more than 50%, better still more than 70%, of the treatment surface of the brush.
  • the brush has at least two heated combing zones, the heated combing zones having a width, measured transversely to the main axis of the brush, that is substantially identical, in particular less than or equal to 20 cm, better still less than or equal to 10 cm, even better still less than or equal to 5 cm.
  • the teeth of the heated combing zone or zones may extend along at least one row of teeth, better still several rows of teeth, preferably each extending along the main axis of the brush.
  • the brush has a substantially rectangular shape and the teeth extend in several rows of teeth, each extending along the main axis of the brush in the case of a brush having a treatment surface with a substantially rectangular outline.
  • the means for heating the teeth of the heated combing area may comprise at least one active element heating the tooth extending at least partially under the treatment surface of the heated combing area, in particular being in direct contact with the teeth and/or the treatment surface in the heated combing area.
  • the row or rows of teeth in the heated combing zone each have at least 3 teeth, better still between 10 and 40 teeth, even better still between 15 and 40 teeth.
  • the teeth in the heated combing zone have a height of between 2 mm and 50 mm, better still between 5 mm and 20 mm.
  • the largest dimension of the teeth extending into the heated combing area which are heated by the heating means, in cross section of the tooth, is between 0.5 mm and 25 mm, preferably between 1 mm and 10 mm.
  • the ratio between the height of a tooth and its largest cross-sectional dimension is greater than 1, preferably greater than 10.
  • the at least two teeth heated by the heating means do not have surface protuberances.
  • each tooth of the at least two teeth heated by the heating means is in one piece.
  • the teeth may extend perpendicularly to the treatment surface or be inclined with respect to said treatment surface.
  • the teeth of one and the same row are spaced apart from one another by a distance of between 1 mm and 30 mm, better still between 2 mm and 15 mm. The spacing is measured between the longitudinal axes of the teeth.
  • the teeth heated by the heating means are made of a heat conducting material, in particular of iron, aluminium, titanium, stainless steel, graphite, or ceramic.
  • the teeth may be provided with a coating chosen from ceramic, tourmaline, elastomer, metal alloy and anodized coating materials. This makes it possible for the teeth to be heated easily by the heating means, and for the hair to be in contact with hot surfaces in the heated combing zone.
  • Said teeth may have, at their ends, a protective element made of insulating material in order to limit the heat in contact with the scalp.
  • the temperature at the ends of the teeth may be less than or equal to 100°C, preferably less than or equal to 60°C, better still less than 45°C.
  • said teeth are made entirely of a heat conducting material.
  • the teeth made of a heat conducting material in the heated combing zone, in particular of the entire brush, are all substantially identical.
  • the brush is configured such that, during operation, the temperature of the teeth half-way up is from 110°C to 230°C, better still from 110°C to 210°C, even better still from 180°C to 210°C.
  • the teeth heated by the heating means are formed integrally with the treatment surface of the brush.
  • the teeth heated by the heating means are attached to the treatment surface of the brush, in particular fixed in holes in the treatment surface.
  • At least some of the teeth may be made of a material that is a poor heat conductor, for example of elastomer or plastic.
  • the material that is a poor heat conductor has a thermal conductivity comprised between 0,2 and 0,5 Wm _1 K _1 .
  • the teeth made of a material that is a poor heat conductor in the heated combing zone are all identical.
  • the teeth made of a material that is a poor heat conductor in the heated combing zone are attached to the treatment surface of the brush, in particular fixed in holes in the treatment surface.
  • the brush has a mixture of teeth made of a heat conducting material and teeth made of a material that is a poor heat conductor in the heated combing zone or zones, in particular an alternation of rows of teeth made of a heat conducting material and rows of teeth made of a material that is a poor heat conductor, the alternation preferably occurring along an axis transverse to the rows of teeth.
  • the percentage of the number of teeth made of a material that is a poor heat conductor in the heated combing zone or zones is preferably between 20 and 75%, better still between 30 and 60%, even better still between 45 and 55%.
  • the heated combing zone or zones has/have exclusively teeth made of a heat conducting material.
  • the brush may have, along an axis perpendicular to the main axis of the brush, an alternation of rows of teeth that are all made of a heat conducting material and rows of teeth that are all made of a material that is a poor heat conductor.
  • the teeth made from a material that is a poor heat conductor in the heated combing zone or zones may have a different height, in particular be taller, than the teeth made of a heat conducting material. The fact that there are teeth that are poor heat conductors and are taller than the heat conducting teeth in the heated combing zone or zones makes it possible to limit contact between the scalp and the heat conducting teeth, the teeth that are poor heat conductors coming into contact with the scalp.
  • the teeth made of a material that is a poor heat conductor in the heated combing zone are at least 10%, better still at least 15%, even better still at least 20%, even better still at least 25%, even better still at least 30% taller than the teeth made of a heat conducting material in the heated combing zone.
  • the teeth made of a heat conducting material have an elongate cross section. Preferably, they are elongate along an axis transverse to the main axis of the brush.
  • the cross section of the teeth made of a heat conducting material may be polygonal or preferably oval. Such a cross section makes it possible in particular to have a good hot surface in contact with the hair while the brush is being used.
  • the teeth made of a material that is a poor heat conductor may have a circular cross section.
  • the heating means have at least one heating element in the body of the brush in order to heat the teeth by heat conduction, or the brush has a heating element in each of the heated teeth, in particular constituting the core of the corresponding tooth.
  • the heating means may be heating resistors or any other heating means.
  • the brush may have one or a plurality of discontinuous steam outlet zones that are separated from one another by the or a part of the heated combing zone.
  • the or each steam outlet zone extends over more than 70% of the greatest dimension of the treatment surface of the brush.
  • the or each steam outlet zone extends along a length substantially equal to that of the adjacent heated combing zone or zones.
  • the or each steam outlet zone may have a steam outlet, in particular a single steam outlet, extending along more or less the entire length of the steam outlet zone.
  • the steam outlet may have an opening greater than or equal to 5 mm 2 .
  • the or each steam outlet zone has a plurality of steam outlets distributed over the steam outlet zone, in particular along at least one row of steam outlets.
  • the steam outlets open into the brush onto a common steam dispensing chamber.
  • the or at least one steam outlet zone extends along the main axis of the brush and is bordered laterally by two heated combing zones.
  • the heated combing zone or zones may surround the steam outlet zone or zones.
  • the steam outlet zone or zones are situated at the periphery of a single heated combing zone.
  • the two heated combing zones on either side of the steam outlet zone mirror one another with respect to the steam outlet zone.
  • the brush is symmetric with respect to a main plane that is transverse to the treatment surface and extends along the main axis of the brush.
  • the steam outlet or at least one steam outlet is at a distance of less than or equal to 5 cm, better still less than or equal to 2 cm, better still less than or equal to 5 mm, better still less than or equal to 2 mm, from at least one heated spike of the heated combing zone.
  • the or each steam outlet extends at least partially along at least one heated combing zone.
  • the brush has a steam spraying system configured to supply the steam outlet zone, in particular the steam outlet or outlets, at a steam flow rate of less than or equal to 5 mLmin 1 , better still between 0.2 and 4 mLmin 1 , even better still between 0.4 et 2 mLmin 1 , preferably between 0.5 et 0.95 mLmin 1 .
  • the brush has a steam spraying system configured such that the speed of the steam output by the steam outlet or outlets is between 0.007 m/s and 15 m/s, better still between 0.01 m/s and 3 m/s and even better still between 0.1 m/s and 1 m/s.
  • a lower speed of steam output does not allow the steam to penetrate sufficiently into the hair for effective treatment and a higher speed of steam output can entail a risk of scalp discomfort, the steam not having time to cool before reaching the scalp.
  • the steam outlet zone or zones may not have teeth.
  • the steam outlet zone or one of the steam outlet zones has a plurality of teeth.
  • Said teeth may extend along a row of teeth, in particular in a manner aligned with one another.
  • Said teeth of the row of teeth may alternate longitudinally with the steam outlets of a row of steam outlets, which are in particular aligned, of said steam outlet zone, in particular in a manner aligned with the steam outlets.
  • said teeth of the steam outlet zone are substantially identical to one another.
  • the row of teeth closest to the steam outlet zone may be made up of teeth made of a material that is a poor heat conductor.
  • the teeth of the steam outlet zone may each be made of a heat conducting material, in particular of iron, aluminium, titanium, stainless steel, graphite, or ceramic.
  • Said teeth may be provided with a coating chosen from ceramic, tourmaline, elastomer, metal alloy and anodized coating materials. They may in particular be identical to the teeth made of a heat conducting material in the heated combing zones.
  • Said row of teeth extends preferably between rows of teeth made of a material that is a poor heat conductor in two adjacent heated combing zones.
  • the teeth of the steam outlet zone may each be made of a material that is a poor heat conductor, for example of elastomer or plastic. They may in particular be identical to the teeth made of a material that is a poor heat conductor in the heated combing zones.
  • said longitudinal row of teeth extends preferably longitudinally between rows of teeth made of a heat conducting material in two adjacent heated combing zones.
  • some of the teeth of the steam outlet zone are made of a heat conducting material, in particular as mentioned above, and some of the teeth of the steam outlet zone are made of a material that is a poor heat conductor, in particular as mentioned above.
  • the brush may have a steam containment groove in which the steam outlet or outlets communicate. This makes it possible to contain the steam in a closed space, making it easier to apply.
  • the brush preferably has at least one vaporization chamber supplying the steam outlet or outlets with steam.
  • the vaporization chamber may be in the head of the brush or in the handle.
  • the steam outlet or outlets pass(es) through the treatment surface of the brush and open(s) into a steam dispensing chamber of the steam outlet or outlets.
  • the steam dispensing chamber may be the vaporization chamber or an additional chamber fluidically connected to the vaporization chamber.
  • the steam outlet or outlets may have any shape, in particular substantially square, substantially rectangular, substantially round or ovoid.
  • the or each steam outlet has an opening smaller than or equal to 20 mm 2 , better still smaller than or equal to 10 mm 2 , even better still smaller than 5 mm 2 , very preferably smaller than 2 mm 2 .
  • the brush may have a reservoir of product to be vaporized, in particular water, in particular having a volume ranging from 1 mL to 50 mL.
  • the reservoir may be in the handle or in the head.
  • the brush may have a pump between the water reservoir and the steam outlet zone, in particular between the reservoir and the vaporization chamber.
  • the steam outlet zone is at least two times smaller than the or each heated combing zone.
  • the steam outlets can alternate with teeth along the longitudinal axis of the steam outlet area.
  • the brush may comprise a single steam outlet area, the brush comprising in the steam outlet area a single row of steam outlets aligned with each other along the longitudinal axis of the steam outlet area.
  • the brush may have at least one zone for application of a cosmetic product, which is preferably separate from the heated combing zones and from the steam outlet zones, the product application zone having an applicator member for applying a cosmetic product.
  • the applicator member for applying cosmetic product is disposed so as to come into contact with the hair.
  • the applicator member for applying cosmetic product is preferably porous, elastically compressible, and may advantageously be made from an open-cell cellular material such as a PE (polyethylene) foam for example.
  • PE polyethylene
  • the applicator member may be made from any material that is able to release or diffuse the cosmetic product.
  • the applicator member may be removable.
  • the brush may have a cosmetic product reservoir.
  • the cosmetic product delivered is in the fluid state.
  • the expression “in the fluid state” should be understood as meaning liquid at ambient temperature (25°C) or at a higher temperature, between 25 and 50°C for example, and at atmospheric pressure.
  • the product may initially be in the solid or pasty state at ambient temperature in the reservoir and be heated up within the reservoir in order to make it sufficiently fluid to be dispensed by the dispensing mechanism provided to supply the applicator member. The product is thus fluid in the reservoir at the time of application.
  • the reservoir may be equipped with an electrical resistor, for example a fine screen-printed resistor, making it possible to bring the temperature of its contents to above 50°C for example.
  • an electrical resistor for example a fine screen-printed resistor
  • the cosmetic product may be a composition for cleaning, dyeing, bleaching, conditioning or shaping the hair.
  • the cosmetic product is a hair shaping composition, in particular a composition for curling, setting or preferably relaxing or straightening the hair.
  • the cosmetic product may contain one or more active agents chosen from reducing agents and in particular thiols, oxidizing agents and in particular hydrogen peroxide or persalts such as persulfates, coloring agents and in particular pigments, direct dyes or oxidation dyes, temporary shaping agents and in particular styling polymers that are preferably anionic, amphoteric or nonionic, conditioning agents and in particular silicones, mineral or plant oils, plant waxes, cationic surfactants or cationic polymers, alkaline agents or acids.
  • active agents chosen from reducing agents and in particular thiols, oxidizing agents and in particular hydrogen peroxide or persalts such as persulfates, coloring agents and in particular pigments, direct dyes or oxidation dyes, temporary shaping agents and in particular styling polymers that are preferably anionic, amphoteric or nonionic, conditioning agents and in particular silicones, mineral or plant oils, plant waxes, cationic surfactants or cationic polymers, alkaline agents or acids.
  • the cosmetic product contains one or more agents chosen from oxidizing agents, reducing agents or alkaline agents of the hydroxide type.
  • the brush may have a combing zone which is separate from the heated combing and steam outlet zones, in particular a peripheral combing zone.
  • This combing zone may not have teeth made of a heat conducting material.
  • the combing zone has a single row of teeth, in particular spikes.
  • the combing zone is configured to be at least partially upstream of the steam outlet zone and of the heated combing zone while the hair is being brushed. This makes brushing easier, thereby improving the treatment of the hair.
  • the combing zone has teeth made of a material that is a poor heat conductor, for example of elastomer or plastic.
  • the combing zone in particular the single row of teeth of which it is made, may surround the zone of the brush formed of the heated combing zone or zones and of the steam outlet zone or zones. These teeth may be attached to the treatment plate, at the periphery of the latter.
  • the teeth in the combing zone may have a smaller height than the teeth made of a material that is a poor heat conductor in the heated combing zone or zones and/or a greater height than the teeth made of a heat conducting material in the heated combing zone or zones.
  • the invention also meets this need by way of a method for treating the hair with a treatment device, in particular a brush and preferably with the brush as described above, having: a step of simultaneously heating and combing a lock of hair by passing it between teeth of at least one heated combing zone without a steam outlet of the treatment device, the application of steam to the lock of hair in at least one steam outlet zone, the step of simultaneous heating and combing and the application of steam being carried out on a lock of hair by passing the treatment device through the hair once.
  • the treatment method may have two steps of simultaneously heating and combing a lock of hair, one step of simultaneous heating and combing taking place before the application of steam to the lock of hair and one step of simultaneous heating and combing taking place after the application of steam to the lock of hair, the two steps of simultaneous heating and combing and the step of applying steam being carried out on a lock of hair by passing the treatment device through the hair once.
  • the treatment device may have two heated combing zones without a steam outlet that are separated from one another by a steam outlet zone and optionally a peripheral combing zone surrounding all of the abovementioned zones.
  • the two heated combing zones on either side of the steam outlet zone mirror one another with respect to the steam outlet zone.
  • the treatment device is symmetric with respect to a main plane transverse to the treatment plane, in particular transverse to the direction of passage over the hair such that the treatment device is usable interchangeably in both directions.
  • the method may have only the two steps of simultaneously heating and combing the hair and the step of applying steam to the hair while the device passes through the hair.
  • the two steps of simultaneous heating and combing exhibit passage times over the hair that are substantially identical at a substantially constant speed of passage of the treatment device over the hair.
  • the passage time of each step of simultaneous heating and combing may be between 0.5 s and 10 s, better still between 0.7 s and 7 s, for a speed of movement of between 0.2 cm/s and 80 cm/s, better still between 0.5 cm/s and 50 cm/s.
  • the passage time for the application of steam is less than or equal to half the passage time of each step of simultaneous heating and combing at a substantially constant speed of passage of the treatment device over the hair.
  • the device preferably has a treatment surface and teeth extending from the treatment surface in the heated combing zone, the heating of the hair in the step of simultaneous heating and combing taking place by thermal transmission from a treatment surface heated by heating means of the treatment device and/or by thermal transmission from at least some of the teeth extending over the treatment surface in the heated combing zone that are heated by heating means of the treatment device, the combing during this step being carried out by the teeth in said heated combing zone.
  • the teeth heated by the heating means of the treatment device emitting thermal radiation are made of a heat conducting material, in particular as described above.
  • the teeth made of a heat conducting material are formed integrally with the treatment surface.
  • the teeth made of a heat conducting material are attached to the treatment surface.
  • the treatment device has, in the heated combing zone or zones, teeth made of a heat conducting material and teeth made of a material that is a poor heat conductor, in particular a mixture thereof.
  • the heated combing zone may have an alternation of rows of teeth all made of a heat conducting material and rows of teeth all made of a material that is a poor heat conductor.
  • the percentage of the number of teeth made of a material that is a poor heat conductor in the heated combing zone or zones with respect to the total number of teeth is preferably between 20 and 75%, better still between 30 and 60%, even better still between 45 and 55%.
  • all the teeth in the heated combing zone are made of a heat conducting material.
  • the heating of the hair by the treatment device in the step of simultaneous heating and combing is effected only by heating of the treatment surface of the treatment device, the teeth being made of a material that is a poor heat conductor as described above.
  • the teeth made of a material that is a poor heat conductor are attached to the treatment surface.
  • the step of steam application may involve, simultaneously with the application of steam, the combing of the hair.
  • the steam outlet zone may have teeth, in particular made of a heat conducting material.
  • the application of steam takes place through at least one row of steam outlets extending in the steam outlet zone.
  • the steam outlets may alternate with teeth.
  • the steam outlets and the teeth of the steam outlet zone are advantageously aligned with one another.
  • the step of steam application involves simultaneously the heating of the hair by the treatment surface and/or by the teeth made of a heat conducting material extending in the steam outlet zone, in particular as described above.
  • the treatment surface and/or the teeth made of a heat conducting material extending in the steam outlet zone may be heated by heating means of the device, in particular by the heating means of the heated combing zone or zones.
  • the application of steam is temporally separate from the application of heat by the simultaneous heating and combing zone or zones, the steam outlet and heated combing zones being separate from one another.
  • the method may be repeated several times for the complete treatment of part or all of the head of hair.
  • the treatment device in particular the brush, is moved over the hair at a speed of between 0.5 cm/s and 50 cm/s.
  • the method may involve applying a cosmetic product to the lock of hair before or after using the treatment device of the invention, and preferably before.
  • the application of product may be carried out by the treatment device, in particular the brush, while the device passes over the hair, the treatment device having a zone for application of a cosmetic product, which is preferably separate from the heated combing zone or zones and from the steam outlet zone or zones, in particular as described above in relation to the brush.
  • the cosmetic product may be a composition for cleaning, dyeing, bleaching, conditioning or shaping the hair.
  • the cosmetic product is a hair shaping composition, in particular a composition for curling, setting or preferably relaxing or straightening the hair.
  • the cosmetic product may contain one or more active agents chosen from reducing agents and in particular thiols, oxidizing agents and in particular hydrogen peroxide or persalts such as persulfates, coloring agents and in particular pigments, direct dyes or oxidation dyes, temporary shaping agents and in particular styling polymers that are preferably anionic, amphoteric or nonionic, conditioning agents and in particular silicones, mineral or plant oils, plant waxes, cationic surfactants or cationic polymers, alkaline agents or acids.
  • active agents chosen from reducing agents and in particular thiols, oxidizing agents and in particular hydrogen peroxide or persalts such as persulfates, coloring agents and in particular pigments, direct dyes or oxidation dyes, temporary shaping agents and in particular styling polymers that are preferably anionic, amphoteric or nonionic, conditioning agents and in particular silicones, mineral or plant oils, plant waxes, cationic surfactants or cationic polymers, alkaline agents or acids.
  • the cosmetic product contains one or more agents chosen from oxidizing agents, reducing agents or alkaline agents of the hydroxide type.
  • the method may involve one or more steps of rinsing the hair.
  • Figure 1 schematically shows an example of a brush
  • FIG 2 is a view along II of the brush in Figure 1
  • Figure 3 is a cross section on III-III of the example of a brush in Figures 1 and 2,
  • Figure 4 is a cross section on IV-IV of the example of a brush in Figures 1 and 2,
  • Figure 5 shows a cross section of a brush variant
  • FIG 6 shows a cross section of a brush variant
  • Figure 7 shows a top view of a brush variant
  • Figure 8 shows a top view of a brush variant
  • Figure 9 shows a top view of a brush variant
  • Figure 10 shows a top view of a brush variant
  • Figure 11 shows a top view of a brush variant
  • Figure 12 shows a top view of a brush variant
  • Figure 13 shows a top view of a brush variant
  • Figure 14 shows a top view of a brush variant
  • Figure 15 shows a top view of a brush variant
  • Figure 16 shows a top view of a brush variant
  • Figure 17 shows a cross section of a brush variant
  • FIG 18 Figure 18 schematically shows a brush variant
  • Figure 19 is a cross-sectional view on XIX-XIX of the brush in Figure 19.
  • FIGS 1 to 4 illustrate an example of a brush 10 according to the invention.
  • the brush 10 has a gripping handle 15 and a treatment head 20.
  • the head 20 has a substantially rectangular shape with rounded corners. However, this does not have to be the case.
  • the head could be polygonal, oval or round in particular.
  • the head 20 forms a treatment surface 21 intended to come into contact with the hair during brushing.
  • the head 20 has teeth 23 arranged along a plurality of rows that extend from the treatment surface 21.
  • the rows of teeth 23 extend along a main axis X of the brush.
  • the rows of teeth may have from 8 to 40 teeth, and in this case 8 teeth have been shown for illustrative purposes.
  • the teeth may be attached to the brush, being made in particular of a different material from the treatment surface.
  • the head 20 also has a plurality of steam outlets 30 which may be interposed between the teeth 25 of one of the rows of teeth, in this case the central row.
  • the zones of the treatment surface of the brush that do not have steam outlets constitute heated combing zones C.
  • the zone of the brush having the steam outlets, in this case also having teeth, constitutes a steam outlet zone V that extends along the heated combing zones C along the majority of the length of the latter.
  • the heated combing zones C cover more than 70% of the treatment surface 21 of the brush intended to come into contact with the hair.
  • the steam outlet zone delimited by the lateral edges of the peripheral steam outlets, is elongate along an axis of extension E, in particular parallel to the main axis X.
  • the steam outlet zone extends along a length e greater than or equal to 80% of the dimension s of the treatment surface along this axis.
  • all of the teeth are identical, but this does not have to be the case.
  • the teeth may exhibit different materials, heights, shapes or orientations.
  • the teeth 23 each extend along a longitudinal axis Y.
  • the longitudinal axis Y of each tooth 23 may form an angle a with the treatment surface 21 of between 60 and 120°, for example substantially equal to 90°.
  • the teeth 23 are spaced apart from one another by a distance d, measured between the longitudinal axes Y of the teeth, less than or equal to 30 mm, preferably between 2 mm and 15 mm.
  • the height h of the teeth 23 is less than or equal to 50 mm, better still between 2 and 50 mm, even better still between 5 and 35 mm.
  • the teeth 23 of the heated combing zones C are heated by heating means.
  • the brush 10 has in particular one or more heating resistors 35, in particular in the head, and the teeth 25 are heated by heat conduction from the head to the distal end of the teeth 25.
  • the teeth are made of a heat conducting material, in particular of iron, aluminium, titanium, stainless steel, graphite or ceramic, optionally provided with a coating.
  • the electrical heating resistor or resistors are situated in the head of the brush.
  • the brush 10 may have a system, not illustrated here, for regulating the temperature by virtue of one or more sensors disposed in the vicinity of the heating resistor or resistors or in contact with the brush and/or at the end of at least one of the teeth.
  • the heating resistor or resistors 35 extend into the teeth 35 in the form of a heating core 37.
  • the source of heat is not limited to the one which has just been described.
  • the steam outlets are supplied with steam, in the example illustrated, by an elongate rail 45 that extends in a direction parallel to the main axis X and is arranged in the head of the brush.
  • the steam outlets 30 are orifices that open onto the rail, for example between 6 and 10 orifices, which are preferably spaced apart evenly along the rail 45 and each have an axis oriented substantially perpendicularly to the median treatment plane such that the steam is output perpendicularly to the treatment surface along an axis W.
  • the steam outlets 30 may have any shape, in particular square, rectangular, round or ovoid.
  • the rail 45 is supplied with steam by a vaporization chamber 42, heated by a heating element, which is itself supplied with product to be vaporized by a reservoir 48.
  • the reservoir may be in the brush, in particular the handle or the head, as illustrated in Figure 4, or be remote therefrom in an external base 50 to which the brush is connected by a line supplying product to be vaporized 52, as is illustrated in Figure 6.
  • the reservoir of product to be vaporized in particular water, may have a volume of between 1 mL and 50 mL when it is in the handle or in the head of the brush.
  • the steam outlets have a steam flow rate of between 0.5 and 0.95 mLmin 1 , the steam being emitted at the mouth of the steam outlets at a speed of between 0.7 cm/s and 15 m/s.
  • the brush When the brush is being used, it is passed over the hair at a speed of between 0.5 cm/s and 50 cm/s.
  • the hair may or may not be combed before the brush is used.
  • the brush may have a single steam outlet 30 extending along more or less the entire length of the steam outlet zone parallel to the rows of teeth.
  • the steam outlet has an opening greater than or equal to 5 mm 2 .
  • the steam outlet zone V may be positioned elsewhere on the brush. It may be upstream of a single heated combing zone, as illustrated in Figure 8, or downstream of the latter, as illustrated in Figure 9.
  • the device may have a plurality of steam outlet zones V which are separated from one another by a heated combing zone C, in particular two steam outlet zones V which are separated from one another by a heated combing zone C, as is illustrated in Figures 10 and 13.
  • the two steam outlet zones may be positioned at the periphery of the treatment surface 21, on either side of a single heated combing zone, as is illustrated in Figure 13.
  • the steam outlet zone or at least one of the steam outlet zones V may have a steam containment groove 50 into which the steam outlet or outlets extend, as is illustrated in Figure 11.
  • the steam outlet zone or zones V may extend along only a part of the length of the heated combing zone, as is illustrated in Figure 12.
  • the teeth 23 are inclined by an angle a of between 45° and 90° with respect to the treatment surface 21.
  • the steam outlet or outlets 30 may output steam at an angle to the treatment surface 21 other than 90°, in particular between 45° and 90°, for example substantially equal to the angle of extension of the teeth 23.
  • the brush has at least one additional treatment zone A, preferably separate from the steam outlet zone or zones and/or from the heated combing zone or zones.
  • the additional treatment zone A may be an unheated combing zone having a comb 60 at a temperature less than or equal to 50°C when the brush is in operation.
  • the comb 60 is disposed upstream of the steam outlet or outlets 30.
  • the additional treatment zone may be a zone for application of a cosmetic product, having an applicator member 65 for applying a cosmetic product.
  • the applicator member 65 for applying a cosmetic product is disposed so as to come into contact with the hair.
  • the applicator member 65 for applying a cosmetic product is preferably porous, elastically compressible, and may advantageously be made of an open-cell cellular material, such as a PE (polyethylene) foam for example.
  • the applicator member may be made from any material that is able to release or diffuse the cosmetic product.
  • the applicator member may be removable.
  • the brush may have a cosmetic product reservoir, which is not shown.
  • the cosmetic product is in the fluid state at the time of use.
  • the cosmetic product reservoir may be equipped with an electrical resistor, for example a fine screen-printed resistor, making it possible to bring the temperature of its contents to 40-50°C, for example in order to liquefy it.
  • the cosmetic product is a hair shaping composition, in particular a composition for curling or setting and, preferably, relaxing or straightening the hair.
  • the cosmetic product may contain one or more active agents chosen from reducing agents and in particular thiols, oxidizing agents and in particular hydrogen peroxide or persalts such as persulfates, coloring agents such as pigments, direct dyes or oxidation dyes, temporary shaping agents such as styling polymers that are preferably anionic, amphoteric or nonionic, conditioning agents such as silicones, mineral or plant oils, plant waxes, cationic surfactants and cationic polymers, alkaline agents or acids.
  • active agents chosen from reducing agents and in particular thiols, oxidizing agents and in particular hydrogen peroxide or persalts such as persulfates, coloring agents such as pigments, direct dyes or oxidation dyes, temporary shaping agents such as styling polymers that are preferably anionic, amphoteric or nonionic, conditioning agents such as silicones, mineral or plant oils, plant waxes, cationic surfactants and cationic polymers, alkaline agents or acids.
  • the cosmetic product contains one or more agents chosen from oxidizing agents, reducing agents or alkaline agents of the hydroxide type.
  • the brush has teeth 23a made of a heat conducting material and longer teeth 23b made of a material that is a poor heat conductor.
  • the teeth 23a and 23b may alternate within one and the same row, as illustrated in Figure 17.
  • the brush has, perpendicularly to the main axis X, an alternation of rows of teeth 23a made of a heat conducting material and rows of teeth 23b made of a material that is a poor heat conductor.
  • the brush has a steam outlet zone V between two heated combing zones.
  • the brush has, in the steam zone V, an alternation along the main axis X of teeth 23v made of a heat conducting material and steam outlets 30.
  • the brush has, in the heated combing zones C, teeth 23a made of a heat conducting material and teeth 23b made of a material that is a poor heat conductor, which are arranged along a plurality of parallel rows of teeth 23a and 23b extending along the main axis X.
  • Each row of teeth has teeth 23 a that are all made of a heat conducting material or teeth 23b that are all made of a material that is a poor heat conductor.
  • the rows of teeth 23a made of a heat conducting material alternate with the rows of teeth 23b made of a material that is a poor heat conductor.
  • the percentage of the number of teeth made of a material 23b that is a poor heat conductor with respect to the teeth made of a heat conducting material is between 45 and 55% in the heated combing zones C.
  • the adjacent rows of teeth in the steam outlet zone V have teeth made of a material that is a poor heat conductor.
  • the brush may have, as illustrated, a row of peripheral teeth 23p, in particular made of a material that is a poor heat conductor extending all around the periphery of the brush.
  • the teeth 23a and 23v made of a heat conducting material of the brush are, preferably, formed integrally with the treatment surface 21, which is made from the same heat conducting material.
  • the heating means of the brush heat, by thermal conduction, the treatment surface 21 and the teeth 23a and 23v, which themselves transmit the heat received to the hair.
  • the teeth 23a and 23v made of a heat conducting material of the brush are preferably all substantially identical. They may have a cross section that is flattened, in particular oval as illustrated. Their plane of flattening may extend transversely to the main axis X.
  • the teeth 23b and 23p made of a material that is a poor heat conductor are, preferably, attached to the treatment surface 21. They preferably have a substantially circular cross section.
  • the teeth 23b made of a material that is a poor heat conductor of the heated combing zones C preferably have a height h b greater than the height h a of the teeth made of a heat conducting material.
  • the height h b of the teeth 23p made of a material that is a poor heat conductor in the peripheral row is between the height h a of the teeth made of a heat conducting material and the height h b of the teeth 23b made of a material that is a poor heat conductor in the heated combing zones C.
  • the brush it is possible for the brush not to have a handle, the back of the brush being used to grip the brush.
  • the brush may have several different additional treatment zones, which are or are not separate from one another.
  • the steam outlet zone may have heated teeth like the heated combing zone.
  • the steam outlets extend from the treatment surface, but they could extend from protuberances, in particular teeth, of the treatment surface.
  • the treatment device may be other than a brush, in particular a hair straightener.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Brushes (AREA)

Abstract

L'invention se rapporte à un procédé permettant de traiter les cheveux au moyen d'un dispositif de traitement, en particulier d'une brosse (10), comprenant : - une étape de chauffage et de peignage simultanés d'une mèche de cheveux en la faisant passer entre les dents (23) d'au moins une zone de peignage chauffée (C) sans sortie de vapeur du dispositif de traitement, et - l'application de vapeur sur la mèche de cheveux dans au moins une zone de sortie de vapeur (V), l'étape de chauffage et de peignage simultanés et l'application de vapeur étant effectuées sur une mèche de cheveux en faisant passer le dispositif de traitement dans les cheveux une fois.
PCT/EP2022/070542 2021-07-22 2022-07-21 Brosse et procédé de traitement des cheveux WO2023001983A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202280064121.5A CN117979859A (zh) 2021-07-22 2022-07-21 用于处理头发的刷子和方法
KR1020247005804A KR20240038031A (ko) 2021-07-22 2022-07-21 브러시 및 모발 처리 방법
EP22753709.9A EP4373347A1 (fr) 2021-07-22 2022-07-21 Brosse et procédé de traitement des cheveux

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FRFR2107945 2021-07-22
FR2107945A FR3125400A1 (fr) 2021-07-22 2021-07-22 Brosse de traitement des cheveux
FR2201508A FR3125398A1 (fr) 2021-07-22 2022-02-21 Brosse et procédé de traitement des cheveux
FRFR2201508 2022-02-21

Publications (1)

Publication Number Publication Date
WO2023001983A1 true WO2023001983A1 (fr) 2023-01-26

Family

ID=82850048

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/070542 WO2023001983A1 (fr) 2021-07-22 2022-07-21 Brosse et procédé de traitement des cheveux

Country Status (3)

Country Link
EP (1) EP4373347A1 (fr)
KR (1) KR20240038031A (fr)
WO (1) WO2023001983A1 (fr)

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH600821A5 (en) 1976-05-17 1978-06-30 Lardenois Etablissements Heated brush for hair treatment
JPS5568318A (en) 1978-11-15 1980-05-23 Matsushita Electric Works Ltd Steam hair brush
US4217915A (en) 1975-06-14 1980-08-19 Rainer Deuringer Heated hair brush
JPH01207001A (ja) 1988-02-16 1989-08-21 Bandai Co Ltd 整髪具
US4936027A (en) 1987-07-15 1990-06-26 Matsushita Electric Works, Ltd. Hair dryer and steamer combination
CN2061786U (zh) 1990-02-21 1990-09-12 朱为钢 电离子蒸汽梳熨刷
JPH0788011A (ja) * 1993-09-22 1995-04-04 Kyushu Hitachi Maxell Ltd スチームヘアーブラシ
JPH07163416A (ja) 1993-12-13 1995-06-27 Hoyu Co Ltd 毛髪処理方法
JPH07213325A (ja) 1994-01-31 1995-08-15 Kyushu Hitachi Maxell Ltd スチームヘアーブラシ
JPH1033253A (ja) 1996-07-25 1998-02-10 Matsushita Electric Works Ltd ヘアーブラシ
KR19990036306U (ko) 1998-02-18 1999-09-27 윤종용 모발가습용 빗
DE19822718A1 (de) 1998-05-20 1999-11-25 Heiss Josef Medizintech Vorrichtung zur Wärmebehandlung von Haaren
JP2000175723A (ja) 1998-12-17 2000-06-27 Matsushita Electric Works Ltd スチーム式ヘアーセッター
KR20030085159A (ko) 2002-04-29 2003-11-05 이만택 헤어 브러쉬
US20050061352A1 (en) * 2003-09-19 2005-03-24 Naomoto Industry Co., Ltd. Hair iron device
WO2009065747A1 (fr) * 2007-11-19 2009-05-28 Unilever Plc Dispositif pour peigner les cheveux
EP2074902A1 (fr) 2004-03-16 2009-07-01 WIK Far East Ltd. Brosse à cheveux chauffée et entraînée éléctriquement
US20180125223A1 (en) 2016-11-09 2018-05-10 Ontel Products Corporation Heated Hair Brush Apparatus

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217915A (en) 1975-06-14 1980-08-19 Rainer Deuringer Heated hair brush
CH600821A5 (en) 1976-05-17 1978-06-30 Lardenois Etablissements Heated brush for hair treatment
JPS5568318A (en) 1978-11-15 1980-05-23 Matsushita Electric Works Ltd Steam hair brush
US4936027A (en) 1987-07-15 1990-06-26 Matsushita Electric Works, Ltd. Hair dryer and steamer combination
JPH01207001A (ja) 1988-02-16 1989-08-21 Bandai Co Ltd 整髪具
CN2061786U (zh) 1990-02-21 1990-09-12 朱为钢 电离子蒸汽梳熨刷
JPH0788011A (ja) * 1993-09-22 1995-04-04 Kyushu Hitachi Maxell Ltd スチームヘアーブラシ
JPH07163416A (ja) 1993-12-13 1995-06-27 Hoyu Co Ltd 毛髪処理方法
JPH07213325A (ja) 1994-01-31 1995-08-15 Kyushu Hitachi Maxell Ltd スチームヘアーブラシ
JPH1033253A (ja) 1996-07-25 1998-02-10 Matsushita Electric Works Ltd ヘアーブラシ
KR19990036306U (ko) 1998-02-18 1999-09-27 윤종용 모발가습용 빗
DE19822718A1 (de) 1998-05-20 1999-11-25 Heiss Josef Medizintech Vorrichtung zur Wärmebehandlung von Haaren
JP2000175723A (ja) 1998-12-17 2000-06-27 Matsushita Electric Works Ltd スチーム式ヘアーセッター
KR20030085159A (ko) 2002-04-29 2003-11-05 이만택 헤어 브러쉬
US20050061352A1 (en) * 2003-09-19 2005-03-24 Naomoto Industry Co., Ltd. Hair iron device
EP2074902A1 (fr) 2004-03-16 2009-07-01 WIK Far East Ltd. Brosse à cheveux chauffée et entraînée éléctriquement
WO2009065747A1 (fr) * 2007-11-19 2009-05-28 Unilever Plc Dispositif pour peigner les cheveux
US20180125223A1 (en) 2016-11-09 2018-05-10 Ontel Products Corporation Heated Hair Brush Apparatus

Also Published As

Publication number Publication date
KR20240038031A (ko) 2024-03-22
EP4373347A1 (fr) 2024-05-29

Similar Documents

Publication Publication Date Title
CN207532058U (zh) 加热式板梳
JP5491401B2 (ja) 毛髪の蒸気処理のための携帯用装置
RU2687806C2 (ru) Парикмахерское устройство для создания локонов различного размера
EP1796504B1 (fr) Dispositif de traitement des cils
US20180153294A1 (en) Hair treatment and stylizing brush
BRPI0215796A2 (pt) dispositivo para a obtenção de cabelos macios e lisos
US20130074867A1 (en) Hair styling apparatus with novel bristle configuration
CN210227225U (zh) 用于处理头发的装置
JP3230694U (ja) ヘアーブラシ
EP4373347A1 (fr) Brosse et procédé de traitement des cheveux
EP4322797A1 (fr) Brosse destinée au traitement des cheveux
WO2023001588A1 (fr) Brosse de traitement des cheveux
CN117979859A (zh) 用于处理头发的刷子和方法
US20050039770A1 (en) Hair drying/styling device
KR20030085159A (ko) 헤어 브러쉬
CN118139561A (zh) 用于处理头发的刷子
KR20240053669A (ko) 모발 처리 장치
WO2024105164A1 (fr) Dispositif de traitement des cheveux par application de vapeur
CN220607639U (zh) 头发处理装置
CN218791018U (zh) 高低双层齿梳刷
JP2004516911A (ja) 個々の毛髪束にカラーを塗布するための器具
JP4198140B2 (ja) 毛髪加湿装置
KR102364919B1 (ko) 모발 섬유들을 처리하는 방법
WO2023203085A1 (fr) Dispositif de traitement capillaire
JPH1175927A (ja) 頭髪整形用アイロン

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22753709

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20247005804

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1020247005804

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 2022753709

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2022753709

Country of ref document: EP

Effective date: 20240222

WWE Wipo information: entry into national phase

Ref document number: 202280064121.5

Country of ref document: CN