WO2023222301A1 - Chambre de vaporisation pour appareil de coiffure diffusant de la vapeur - Google Patents

Chambre de vaporisation pour appareil de coiffure diffusant de la vapeur Download PDF

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Publication number
WO2023222301A1
WO2023222301A1 PCT/EP2023/058946 EP2023058946W WO2023222301A1 WO 2023222301 A1 WO2023222301 A1 WO 2023222301A1 EP 2023058946 W EP2023058946 W EP 2023058946W WO 2023222301 A1 WO2023222301 A1 WO 2023222301A1
Authority
WO
WIPO (PCT)
Prior art keywords
vaporization chamber
orifices
household electrical
electrical appliance
steam
Prior art date
Application number
PCT/EP2023/058946
Other languages
English (en)
Inventor
Laurent CLARISSOU
Constance Magne
Marine BOUAZIZ
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
Application filed by L'oreal filed Critical L'oreal
Publication of WO2023222301A1 publication Critical patent/WO2023222301A1/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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
    • 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
    • A45D19/16—Surface treatment of hair by steam, oil, or the like
    • 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
    • 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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D2001/008—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with vapor generation, e.g. steam

Definitions

  • the present invention relates to a vaporization chamber, in particular for a hairstyling appliance that diffuses steam and is intended to shape or style a head of hair.
  • the appliance is more particularly a hair brush that is able to diffuse steam over the hair.
  • some appliances have, for some time, dispensed steam towards the surface to be treated, in particular a lock of hair or the whole head of hair in the case of hairstyling appliances.
  • the document US2880299A describes a curling iron that is able to dispense steam onto a lock of hair gripped between two articulated arms and wound around said arms.
  • the steam is generated directly from the reservoir containing the liquid water, this therefore also serving as a vaporization chamber.
  • the document EP3097815 implements a similar system, which differs in that the reservoir has been shifted away from the portable treatment unit in order for it to be possible to increase the capacity thereof.
  • a problem shared by the appliances implementing a steam treatment is the scaling up of their steam generator. This scaling up can result in the inlet orifice for liquid water and/or the steam outlet orifices being obstructed.
  • the steam flow rate of these appliances is much lower (between 0.5 and 5 g.min -1 and in particular less than 1 g.min -1 for recent appliances that are particularly compact and incorporate all the elements in a single portable unit) and insufficient to drive out the scale that reaches the diffusion orifices.
  • the particles of scale therefore have to be retained in the vaporization chamber.
  • This is achieved conventionally by equipping the vaporization chamber with one or more chicanes that are disposed, preferably, at a distance from the inlet for liquid water, as described in the document EP2449909A1.
  • the chicanes make it possible both to prevent the circulation of liquid water that has not yet been vaporized to the steam outlet orifices and to retain the particles of scale that form at the inlet for liquid water.
  • a first solution is to use distilled or demineralized water. However, this is not very practical and users generally prefer to be able to directly use tap water.
  • a second solution is to install a limescale filtration system between the reservoir and the steam generator.
  • a limescale filtration system between the reservoir and the steam generator.
  • such a solution is difficult to envisage in “all in one” portable appliances that have only extremely limited space for accommodating all the components.
  • the presence of such a filter brings about pressure drops that may have a negative impact on the pumping members intended to convey the liquid water from the reservoir to the vaporization chamber.
  • vaporization chamber removable in order for it to be possible for it to be cleaned. As before, this is difficult to implement in an “all in one” appliance for household use. Furthermore, the vaporization chamber is a sensitive component and it would be appropriate for it to be able to be removed and refitted by the user completely safely.
  • the document WO2017089582 provides a solution to the problem of scaling up by providing an inclined vaporization element, allowing the particles of scale and other particles to fall off the vaporization element in order to be collected.
  • a hair treatment appliance such as an iron or a brush, is handled in such a way as to make it likely to be located in any direction.
  • the idea of an inclined wall and the falling off of the particles loses its appeal.
  • the document WO2020127851 provides covering an internal surface of the vaporization chamber, at least partially, with a hydrophobic layer, said layer being at least positioned beneath the injection point of liquid water.
  • a hydrophobic layer beneath the injection point will avoid any vaporization of this liquid at this specific location, since it is repelled further on.
  • the steam chamber is characterized in that the inlet or inlets for feeding liquid product have, together, a plurality of orifices that open into the interior of the vaporization chamber and are spaced apart from one another.
  • the orifices are spaced apart from one another by at least 5 mm, preferably at least 8 mm, or even at least 10 mm.
  • the number of orifices that are provided could advantageously be greater than three, and in particular be between three and ten orifices.
  • the orifices could each have a section that is substantially circular but also preferably oval.
  • the inlet for feeding liquid product is in the form of a pipe having a terminal part which extends inside said vaporization chamber and along which a plurality of orifices are provided in a spaced-apart manner.
  • the feed inlet is made up of a single pipe.
  • the orifices are spaced apart regularly.
  • the orifices could be provided every 5 mm along the pipe.
  • the terminal part of the pipe extending inside the vaporization chamber could conventionally be between 20 and 60 mm, typically around 39 – 40 mm.
  • the orifices are provided along at least two longitudinal axes of the pipe that form, between one another, a non-zero angular sector with a longitudinal central axis of the pipe.
  • the orifices are provided in an offset manner along the pipe.
  • the angular sector is substantially equal to 180°, meaning that the orifices are disposed along longitudinal axes situated on either side of a central longitudinal axis of the pipe and in a diametrically opposed manner with respect to this central longitudinal axis.
  • the vaporization chamber comprises a plurality of inlets for feeding liquid product to be vaporized, each feed inlet having at least one orifice opening into the interior of the vaporization chamber.
  • At least one inlet for feeding liquid product to be vaporized has a single orifice opening into the interior of said vaporization chamber.
  • the orifice is in the form of an open distal end of the inlet for feeding liquid product to be vaporized. This open distal end may be bevelled or be cut lengthwise as described in the document WO2020127852 cited above.
  • all the feed inlets each have a single opening orifice.
  • at least one inlet may be a pipe according to the first embodiment.
  • At least some of the orifices that open into the interior of the vaporization chamber preferably all of the orifices, open at a non-zero distance from internal surfaces of the body forming said vaporization chamber, these internal surfaces comprising the surfaces of peripheral walls and, as the case may be, the surfaces of interior chicanes.
  • the present application also relates to a household domestic appliance that diffuses steam, comprising at least one reservoir that is able to contain a quantity of a liquid product to be vaporized and is fluidically connected to at least one inlet for feeding liquid product to a vaporization chamber that is separate from the reservoir, said vaporization chamber having at least one outlet for at least partially vaporized product, which is fluidically connected to steam diffusion orifices of a treatment surface of the appliance.
  • the appliance is characterized in that the vaporization chamber is a chamber according to the invention as mentioned above.
  • household electrical is understood to mean appliances and tools that use electricity and are intended to be used for domestic purposes.
  • the product to be vaporized is water, in particular water that is not demineralized, not distilled and not filtered.
  • the water used has a hardness (degree of hardness) greater than 8°f, preferably greater than 15°f.
  • the water used has a hardness less than or equal to 30°f. If necessary, the water used could optionally be softened so as to reduce its hardness between 15 and 30°f, preferably between 15 and 20°f.
  • the vaporization chamber is able to be fed with liquid product contained in the reservoir via at least one active pumping member.
  • the pumping member is an electric member, and in particular a positive displacement pump, for example a peristaltic pump or a membrane pump.
  • the feed from the reservoir could take place via dedicated pipes.
  • a pipe comprising one or more forks so as to keep a reservoir having a single outlet and a single pumping member delivering the water towards several branches that are each connected to a liquid water inlet of the vaporization chamber.
  • a fork is liable to create bursts or irregularities in the feed of liquid water, and a solution employing pipes and dedicated pumping members will be preferred.
  • the feed pipes or their branches downstream of a fork could be equipped with non-return valves.
  • the appliance is a hairstyling appliance such as a straightening iron or a hair brush
  • the term “brush” means a device for treating the hair comprising a single arm bearing a plurality of teeth between which the hair is received as the brush passes through the head of hair.
  • the brush may have a single row of teeth, in which case it is also called a comb, or has a plurality of rows of teeth.
  • the brush may comprise a heating treatment surface.
  • the teeth may or may not also actively heat up.
  • the vapour chamber and preferably the reservoir, are incorporated in a portable treatment unit of the appliance.
  • the reservoir could be incorporated in a handle thereof, and the vaporization chamber could preferably be situated in the immediate vicinity of a treatment surface of the appliance so as to minimize the vapour path from the vaporization chamber to the diffusion nozzles.
  • the pumping member may of course also be incorporated in the handle.
  • the vaporization chamber is configured to be able to reach a temperature greater than or equal to 180°C.
  • FIG. 1 is a schematic depiction in longitudinal section of a hair brush that is able to apply steam to the hair.
  • FIG. 1 is a schematic depiction in longitudinal section of the treatment part of the hair brush in , showing the vaporization chamber.
  • FIG. 1 is a schematic depiction of a vaporization chamber in accordance with the present application and according to a first embodiment.
  • FIG. 1 is a schematic depiction of the distribution of the scaling up of the vaporization chamber in over time.
  • FIG. 1 is a schematic depiction of a vaporization chamber in accordance with the present application and according to a second embodiment.
  • FIG. 1 is a schematic depiction in longitudinal section of a hair brush 100 that is able to dispense steam onto the hair.
  • the present application may also relate to other household electrical appliances that dispense water vapour, and in particular other household electrical hair treatment appliances that are able to dispense water vapour onto the hair.
  • An example of another appliance is a straightening iron as described in particular in the document FR2967018A1.
  • the support plate 122 is substantially flat and has a substantially rectangular shape extending in the continuation of the gripping handle 122. It is of course conceivable to have a curved support plate, the teeth 121 then being preferably situated on a concave surface of the support plate, or even a substantially cylindrical support plate.
  • the support plate 122 and/or the teeth 121 may heat up. Preferably, only the teeth 121, or only some of the teeth 121, heat up.
  • the head 120 also has a plurality of steam outlets 130 that open onto the support plate 122.
  • the steam outlets or nozzles 130 may be situated between teeth 121 in one or more rows or be separate and in particular arranged along an edge of the support plate 122.
  • the steam outlets 130 may be made in the teeth 121, and in particular open onto a side of the latter.
  • the steam nozzles 130 open out between the teeth 121 of one and the same row, in this case between the teeth of a middle row, thus forming a row of steam outlets 130 extending substantially in the continuation of the handle 110.
  • the steam is conveyed to the steam outlets from a vaporization chamber 350 incorporated in the appliance 100, through one or more diffusion channels passing through the support plate 122, and the teeth 121 where applicable.
  • the vaporization chamber 350 is incorporated in the head 120 behind the support plate 122.
  • Such elements are well known to those skilled in the art.
  • the vaporization chamber 350 comprises a hollow body forming an enclosure and defining a free interior volume, that is to say one that is not occupied with any filling material and in particular does not have an absorbent element, which is able to allow fluid circulation between at least one inlet for feeding liquid water to be vaporized and at least one outlet for the water in the form of steam.
  • the volume of the vaporization chamber is preferably from 20 to 100 cm 3 , better still from 30 to 70 cm 3 , for example around 45 cm 3 .
  • the reservoir may have a volume of between 1 mL and 50 mL.
  • the vaporization chamber 350 and in particular a part with which the liquid water is intended to come into contact in order to be vaporized, is able to be heated to a sufficient temperature, in particular by a heating resistive element in contact with a wall of said chamber. More particularly, the heating temperature is greater than 180°C.
  • the heating resistive element may be shared between the vaporization chamber and a heating treatment surface of the household electrical appliance if necessary.
  • the heating elements may also be separate, in particular so as to be able to be controlled independently.
  • the vaporization chamber 350 also comprises one or more interior walls that together form chicanes 351 between the inlet for liquid water and the outlet for water in the form of steam.
  • the chicanes are situated in the vicinity of the outlet for water in the form of steam.
  • the vaporization chamber has less than 50%, preferably around 25%, of its interior space provided with chicanes, and more than 50%, preferably around 75%, of its interior space without chicanes, liquid water being fed in the zone without chicanes.
  • the steam outlet is generally in the form of one or more orifices, in particular in the form of a groove or slot made in an upper wall of the vaporization chamber, said upper wall forming a cover for closing and sealing the vaporization chamber.
  • the device is configured to feed the vaporization chamber with liquid water so as to achieve a steam diffusion flow rate greater than or equal to 0.5 g.min -1 and less than or equal to 5 g.min -1 .
  • the steam diffusion flow rate is less than or equal to 1 g.min -1 , preferably around 0.8 g.min -1 .
  • the inlet or inlets for feeding liquid product have, together, a plurality of orifices that open into the interior of the vaporization chamber and are spaced apart from one another.
  • the vaporization chamber 400 comprises an inlet for feeding liquid water, in the form of a single pipe or tube 401 passing through a wall 402, in this case over the width, of the vaporization chamber 400 and having a terminal part 403 which extends inside said vaporization chamber 400, and more particularly inside the zone without chicanes.
  • this tube 401 extends over at least half, better still over around 80% of the distance separating the wall 402 through which it passes and an opposite wall 404 of the vaporization chamber 400. More particularly, the vaporization chamber 400 is configured such that this separating distance corresponds substantially to its length.
  • the terminal part 403 of the tube 401 for feeding liquid water has a plurality of orifices 405 that are spaced apart from one another and provided along said terminal portion 403, in particular along substantially the entire length of the terminal part 403 extending in the vaporization chamber 400.
  • the orifices 405 are spaced apart regularly. There are eight orifices.
  • the orifices may be provided in an alternating manner on either side of a longitudinal axis of said terminal portion 403. In this way, the distribution of the flow of liquid water, and consequently of the scale that forms during evaporation, is optimal.
  • the vaporization chamber 500 comprises a plurality of inlets for feeding liquid water that are distributed, preferably regularly, along a wall 503 of the chamber, this wall extending preferably in the direction of the length of said chamber 500.
  • the feed inlets are, as previously, disposed so as to open into a zone without chicanes of the vaporization chamber.
  • one or more of the tubes forming feed inlets according to the second embodiment may be made in the form of a tube according to the first embodiment comprising a plurality of lateral orifices and having preferably a closed distal end.
  • the orifices for dispensing liquid water inside the vaporization chamber open at a distance from internal surfaces of the body forming said vaporization chamber, these internal surfaces comprising the surfaces of peripheral walls and, as the case may be, the surfaces of interior chicanes.
  • each orifice opens at least 1 mm from a wall of the vaporization chamber, in particular with respect to a bottom wall and an opposite upper wall. With respect to lateral walls and the interior chicanes of the chamber, the distance for each orifice could instead reach at least 10 mm.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Cleaning And Drying Hair (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

La présente invention concerne une chambre de vaporisation pour un appareil de coiffure qui diffuse de la vapeur, comprenant un corps creux délimitant un espace intérieur libre entre au moins une entrée permettant de fournir l'eau liquide à vaporiser et au moins une sortie pour fournir l'eau sous la forme de vapeur, ladite chambre de vapeur étant caractérisée en ce que la ou les entrées permettant de fournir l'eau liquide comportent, ensemble, une pluralité d'orifices qui s'ouvrent à l'intérieur de la chambre de vaporisation et qui sont espacés les uns des autres.
PCT/EP2023/058946 2022-05-19 2023-04-05 Chambre de vaporisation pour appareil de coiffure diffusant de la vapeur WO2023222301A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2204781A FR3135601A1 (fr) 2022-05-19 2022-05-19 Chambre de vaporisation pour appareil de coiffure à diffusion de vapeur.
FRFR2204781 2022-05-19

Publications (1)

Publication Number Publication Date
WO2023222301A1 true WO2023222301A1 (fr) 2023-11-23

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Family Applications (1)

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Country Status (2)

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FR (1) FR3135601A1 (fr)
WO (1) WO2023222301A1 (fr)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880299A (en) 1957-02-19 1959-03-31 Jones Susie Walton Steam curler and waving iron
US3921648A (en) 1975-01-02 1975-11-25 George Barradas Hair curling implement
US3934597A (en) 1974-07-17 1976-01-27 Dazey Products Co. Hair curling instrument
DE19822718A1 (de) 1998-05-20 1999-11-25 Heiss Josef Medizintech Vorrichtung zur Wärmebehandlung von Haaren
KR20030085159A (ko) 2002-04-29 2003-11-05 이만택 헤어 브러쉬
US20040000319A1 (en) 2002-06-26 2004-01-01 The Procter & Gamble Company Device for achieving smooth and straight hair
US20090188516A1 (en) 2006-06-07 2009-07-30 Mauro Catini Professional Hair Iron
EP2449909A1 (fr) 2010-11-05 2012-05-09 Seb S.A. Appareil de coiffure à vapeur
FR2967018A1 (fr) 2010-11-05 2012-05-11 Seb Sa Appareil de coiffure a pompe peristaltique
EP3097815A1 (fr) 2015-05-26 2016-11-30 Tenacta Group S.p.A. Dispositif à vapeur pour le coiffage
WO2017089582A1 (fr) 2015-11-26 2017-06-01 Koninklijke Philips N.V. Dispositif de production de vapeur et procédé de production de vapeur
WO2017174035A1 (fr) 2016-04-07 2017-10-12 深圳市洋沃电子有限公司 Générateur de vapeur et dispositif de coiffure doté du générateur de vapeur
WO2020127852A1 (fr) 2018-12-20 2020-06-25 Seb S.A. Appareil de coiffure a vapeur
WO2020127851A1 (fr) 2018-12-20 2020-06-25 Seb S.A. Appareil de coiffure a vapeur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2889305B2 (ja) * 1990-03-15 1999-05-10 松下電工株式会社 ヘアセット器

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880299A (en) 1957-02-19 1959-03-31 Jones Susie Walton Steam curler and waving iron
US3934597A (en) 1974-07-17 1976-01-27 Dazey Products Co. Hair curling instrument
US3921648A (en) 1975-01-02 1975-11-25 George Barradas Hair curling implement
DE19822718A1 (de) 1998-05-20 1999-11-25 Heiss Josef Medizintech Vorrichtung zur Wärmebehandlung von Haaren
KR20030085159A (ko) 2002-04-29 2003-11-05 이만택 헤어 브러쉬
US20040000319A1 (en) 2002-06-26 2004-01-01 The Procter & Gamble Company Device for achieving smooth and straight hair
US20090188516A1 (en) 2006-06-07 2009-07-30 Mauro Catini Professional Hair Iron
EP2449909A1 (fr) 2010-11-05 2012-05-09 Seb S.A. Appareil de coiffure à vapeur
FR2967018A1 (fr) 2010-11-05 2012-05-11 Seb Sa Appareil de coiffure a pompe peristaltique
EP3097815A1 (fr) 2015-05-26 2016-11-30 Tenacta Group S.p.A. Dispositif à vapeur pour le coiffage
WO2017089582A1 (fr) 2015-11-26 2017-06-01 Koninklijke Philips N.V. Dispositif de production de vapeur et procédé de production de vapeur
WO2017174035A1 (fr) 2016-04-07 2017-10-12 深圳市洋沃电子有限公司 Générateur de vapeur et dispositif de coiffure doté du générateur de vapeur
WO2020127852A1 (fr) 2018-12-20 2020-06-25 Seb S.A. Appareil de coiffure a vapeur
WO2020127851A1 (fr) 2018-12-20 2020-06-25 Seb S.A. Appareil de coiffure a vapeur

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