EP3897278B1 - Appareil de coiffure a vapeur - Google Patents

Appareil de coiffure a vapeur Download PDF

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Publication number
EP3897278B1
EP3897278B1 EP19827734.5A EP19827734A EP3897278B1 EP 3897278 B1 EP3897278 B1 EP 3897278B1 EP 19827734 A EP19827734 A EP 19827734A EP 3897278 B1 EP3897278 B1 EP 3897278B1
Authority
EP
European Patent Office
Prior art keywords
steam
chamber
vaporisation
hairstyling apparatus
hydrophobic layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19827734.5A
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German (de)
English (en)
French (fr)
Other versions
EP3897278A1 (fr
Inventor
Stéphane Poncet
Régis FEREYRE
Mathias GANEM
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Publication of EP3897278A1 publication Critical patent/EP3897278A1/fr
Application granted granted Critical
Publication of EP3897278B1 publication Critical patent/EP3897278B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; 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
    • 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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F2200/00—Details not otherwise provided for in A45F
    • A45F2200/05—Holder or carrier for specific articles
    • A45F2200/0516—Portable handheld communication devices, e.g. mobile phone, pager, beeper, PDA, smart phone

Definitions

  • the present invention relates to the field of styling appliances, and more particularly steam-generating styling appliances.
  • Styling devices generally consist of two jaws articulated together and facing each other, each having a treatment surface, at least one of which is heated, the other allowing a strand of hair to be brought in. hair in contact with the heated surface.
  • the articulated jaws generally comprise a gripping area of the device at the level of the end comprising the articulation, in order to be able to handle the device and in particular to be able to pivot the jaws towards a closed position, so as to pinch a lock of hair.
  • hair shaping for example straightening, is carried out by pinching a strand of hair at the root, then sliding the styling device along the strand, from the root hair towards the tip.
  • treatment surfaces can be placed on the jaws, depending on the desired hair shaping.
  • treatment surfaces with complementary shapes that are substantially planar for smoothing, curved for curling, or embossed for embossing will be used.
  • the documents EP2449909 Or WO2014064660 describe, for example, styling appliances comprising a liquid reservoir, and in which a jaw comprises a vaporization system, and a steam distribution system towards a strand of hair.
  • a liquid typically water or a cosmetic hair product, is stored in the tank, and injected into the vaporization system comprising a chamber, via a pipe.
  • the liquid passes into the vapor state and can reach the distribution system, comprising a plurality of slot-shaped orifices oriented so as to project the steam on a section of hair pinched between the two treatment surfaces.
  • the styling device in order to improve the ergonomic and aesthetic properties of the styling devices, it is appropriate to make the styling device more compact by reducing in particular the volume of the vaporization system.
  • reducing the volume of the vaporization chamber has the consequence of reducing the lifespan of the styling device, because scaling will occur more quickly, typically at a point of injection of the liquid at the end of the pipe in the vaporization chamber.
  • An objective of the invention is to propose a solution to the problems identified, and in particular to improve the lifespan of a styling device, particularly with regard to scaling, without reducing its compactness, and in particular by maintaining a low height of the vaporization chamber.
  • the internal surface of the vaporization chamber is covered at least in part by a hydrophobic layer, that is to say a layer which does not allow itself, or only slightly, to get wet. by the liquid, said layer being at least positioned under the injection point, the latter being formed by the free end of the injection pipe.
  • a hydrophobic layer that is to say a layer which does not allow itself, or only slightly, to get wet. by the liquid, said layer being at least positioned under the injection point, the latter being formed by the free end of the injection pipe.
  • the steam hairdressing appliance 1 generally comprises a first jaw 2 and a second jaw 3 arranged facing each other and articulated together, by means of a hinge type articulation 20.
  • the maximum opening angle ⁇ (not illustrated) between the first and the second jaw is between 5° and 60°, preferably between 10° and 20°, and still preferably approximately equal to 15°.
  • a first treatment surface is carried by the first jaw 2 and a second treatment surface 4 is carried by the second jaw 3, the first and the second surfaces being intended to pinch a lock of hair.
  • the first treatment surface and the second treatment surface 4 are generally complementary surfaces. They may have different shapes depending on the desired use of the styling device 1, and are preferably interchangeable. Typically, the treatment surfaces are flat for use of the styling device 1 as a straightening device, or curved (not shown) for use as a curling device or wavy (not shown) for use as an embossing device. A curling device is for example described in the document EP0619087 .
  • the treatment surfaces can also be uneven, that is to say include a plurality of protrusions such as teeth or pins (not shown).
  • the steam styling appliance also includes a liquid reservoir, typically a water reservoir (not shown on the figure). figure 1 ), or a reservoir containing a cosmetic agent, which can be embedded in one of the jaws, or alternatively be arranged at a distance from the device in a so-called remote base, as envisaged in the document EP3025610 .
  • a liquid reservoir typically a water reservoir (not shown on the figure). figure 1 ), or a reservoir containing a cosmetic agent, which can be embedded in one of the jaws, or alternatively be arranged at a distance from the device in a so-called remote base, as envisaged in the document EP3025610 .
  • the liquid reservoir is in fluid communication with a liquid vaporization system 7 via an injection pipe 74.
  • the liquid reservoir is included in the jaw comprising the vaporization system of the liquid liquid 7.
  • the vaporization system 7 comprises at least one vaporization chamber 71, called the first vaporization chamber or main vaporization chamber, occupying a first single volume, that is to say a defined volume without discontinuity or without obstacle or barrier.
  • the single volume can be substantially parallelepiped having for example a rectangular, square, or trapezoidal section. This provides a good compromise between the compactness and efficiency of the vaporization system.
  • the internal surface of the vaporization chamber 71 is called the surface of the lower wall of the vaporization chamber 71, that is to say the wall forming the bottom of the vaporization chamber 71. Thus, it is primarily on this internal surface that the fluid will be deposited by the injection pipe 74 to be transformed into steam.
  • a so-called free end of the injection pipe 74 forms an injection point in the main vaporization chamber 71.
  • the injection pipe 74 projects inside the vaporization chamber 71, and the liquid contained in the tank can be injected into the main vaporization chamber 71 at this injection point.
  • the liquid contained in the tank is water, or a cosmetic product.
  • the hairdressing appliance further comprises a steam distribution system 7' which is in communication with the vaporization system 7 and comprises one or more steam distribution orifices 75 towards a strand of hair.
  • the distribution system 7' can for example comprise a distribution chamber 76 in steam communication with the vaporization chamber 71, and in which the at least one steam distribution orifice 75 is arranged.
  • the distribution chamber 76 can extend laterally to the vaporization system 7, preferably over substantially the entire length of the vaporization system 7. This makes it possible to provide a compromise between the compactness and efficiency of the vaporization systems 7 and distribution systems 7. '.
  • the vaporization chamber 71 is preferably a compartment heated by a heating means 8, for example a heating means 8 placed in contact with the vaporization chamber 71, so that vaporization of the liquid injected into the vaporization chamber 71 can take place, independently of the heating of other components of the hairdressing appliance 1.
  • the heating means 8 can for example be positioned under the vaporization system 7 as is apparent from the exploded view of the figure 1 .
  • the heating means 8 can be arranged against the largest exterior surface of the vaporization system 7, preferably placed opposite the distribution orifices 75, and extend so as to be pressed at least partially against the side surfaces of the system vaporization 7.
  • vaporization is effective in the vaporization system 7 and in the vapor distribution system 7'.
  • the vaporization system 7 has a maximum external volume of 110x35x12.5 mm, and has an internal volume sufficient for storage of scale contained in at least 35 liters of hard water with a hardness of 28°f.
  • the heating means 8 is for example designed to vaporize water in a sequence of 10 seconds continuously and 10 seconds of rest with a flow rate around 1 g/min ⁇ 0.5 g/min.
  • the vaporization system 7 can be made of a metal, an alloy or any heat-conducting material. Typically, the vaporization system 7 is made of aluminum and can be made by molding or extrusion.
  • the vaporization system 7 may comprise several parts, in particular at least one cover.
  • the vaporization system 7 comprises a first part comprising the vaporization chamber 71 and pressed against the heating means 8, on which a second part is placed, in this case a cover, comprising orifices, connected to the distribution orifices steam 75.
  • the different parts are sealed, for example by a silicone seal.
  • a spring blade allows the heating means 8 to be crushed by the vaporization system 7, in order to guarantee permanent contact and optimal operation.
  • the heating means 8 can typically be an electrical resistance known as a Positive Temperature Coefficient (PTC) or a ceramic, but more generally any system making it possible to heat the vaporization chamber 71 in accordance with the desired goal.
  • PTC Positive Temperature Coefficient
  • the heating means 8 may comprise two heating elements, arranged laterally against each side of the vaporization system 7.
  • one of the two heating elements is placed between an exterior side surface of the vaporization chamber 71 and an exterior surface of the system steam distribution system 7', in order to heat the vaporization system 7 and the distribution system 7' simultaneously in a reduced space requirement.
  • the heating means 8 can be regulated by a thermistor, for example with a negative temperature coefficient or NTC, operating as a temperature probe, preferably arranged above the injection point.
  • the thermistor can allow better safety of the hairdressing appliance 1 by blocking the injection of liquid under particular conditions, for example depending on the temperature of the heating means 8.
  • a low temperature limit is around 95°C and a high temperature limit of 130°C, or according to a reduced temperature range, a low temperature limit of 105°C and a high temperature limit of 120°C, or even 110°C.
  • the injection pipe 74 is arranged substantially in the center of the vaporization chamber 71.
  • the end of the injection pipe 74 forming the injection point is arranged substantially at the first quarter of the length of the vaporization chamber. vaporization 71.
  • the injection pipe 74 has an outer wall spaced at least 1 mm from the inner wall of the vaporization chamber 71, and the height of the vaporization chamber is greater than 8 mm, in order to limit a deposit of scale from the free end of the injection pipe 74 and therefore premature blockage.
  • the injection pipe 74 may be made of a material comprising or coated with a material to which scale adheres poorly, so as to limit scale deposition.
  • the material chosen may be polytetrafluoroethylene (PTFE, also known under the registered trademark Teflon ® ) which has the advantage of having excellent non-stick properties while being very resistant to heat.
  • PTFE polytetrafluoroethylene
  • Teflon ® polytetrafluoroethylene
  • at least one internal wall of the injection pipe 74 is coated with PTFE, so that the injection pipe 74 is resistant to high temperatures, in particular above 300° C. and has an internal wall with a coefficient of friction very low, which limits the deposit of scale on the internal wall of the injection pipe 74.
  • the injection pipe 74 preferably has a large internal section to avoid premature blockage of the free end of the injection pipe 74 for example.
  • the internal section can typically have a diameter greater than 3 mm. Preferably greater than 4 mm.
  • the wall of the injection pipe 74 can advantageously have a thickness greater than 1 mm.
  • a ring with an internal section of 6 mm and an external section of 7 mm in PPS (polyphenylene sulphide) can be added to the injection pipe 74, in order to limit the heat transfer to the internal wall of the injection pipe 74.
  • a ratio between the height of the vaporization chamber 71 and the diameter of the internal section of the injection pipe 74 is between 0.55 and 0.75, typically, the ratio is approximately 0.6 for a height of 4.9 mm and a diameter internal of 3 mm.
  • these dimensions have been optimized in order to guarantee the best possible resistance to scaling while containing the dimensions of the different components.
  • the portion forming the free end of the injection pipe 74 can have a specific shape making it possible to concentrate any accumulation of scale in a specific area while providing an area where the liquid can continue to enter the vaporization chamber 71 without being hampered by the accumulation of scale.
  • the injection pipe 74 is beveled at the free end forming the injection point as is illustrated in Figure 4A .
  • the injection pipe 74 may comprise an opening extending substantially along the injection pipe from the free end forming the injection point.
  • the opening has a shape allowing the liquid coming from the reservoir to flow into the vaporization chamber 71 even in the event of accumulation and deposit of scale at the free end of the injection pipe 74.
  • the opening of the injection pipe 74 is a cutout on a half-section of the injection pipe 74, extending along an axis substantially parallel to the injection pipe 74.
  • the injection pipe 74 is arranged in the vaporization chamber 71 so that the cutout is on the side opposite the wall forming the bottom of the vaporization chamber 71.
  • the vaporization chamber 71 is closed by a plate forming a cover, this means that the cutout of the pipe 74 is then oriented towards the plate forming the cover.
  • the injection pipe 74 is distinct from the vaporization chamber 71, that is to say it is not the same part.
  • the injection pipe 74 projects inside the vaporization chamber 71.
  • the opening of the injection pipe 74 comprises at least one slot extending along an axis substantially parallel to the injection pipe 74.
  • the opening may comprise two slots extending on either side of the injection pipe 74.
  • the internal surface of the vaporization chamber 71 is covered at least partly by a hydrophobic layer 9 positioned under the injection point.
  • the hydrophobic layer 9 is then distinct from the injection pipe 74.
  • the hydrophobic layer 9 makes it possible not to generate evaporation below the injection point but to push the evaporation further into the evaporation chamber 71, in order to do not store tartar deposits below the injection site.
  • the hydrophobic layer 9 is characterized by a high surface tension.
  • the hydrophobic layer 9 comprises polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • PTFE is a material resistant to high temperatures (in particular above 300°C) and has a very low coefficient of friction, which limits the deposit of scale at the injection point since water cannot remain there.
  • the hydrophobic layer 9 is positioned only under the injection point.
  • the hydrophobic layer 9 can cover a surface between 10mm 2 and 2000mm 2 , preferably between 100mm 2 and 1000mm 2 , and more preferably between 500mm 2 and 600mm 2 .
  • the hydrophobic layer 9 can cover the internal surface forming a bottom of the vaporization chamber 71, over an area of approximately 552mm 2 .
  • the hydrophobic layer 9 may have a planar shape, preferably substantially rectangular or triangular. It can also take a three-dimensional shape defined for example by inclined planes, making it possible to improve the sliding of the liquid to move the point of evaporation away from the free end of the injection pipe 74. Such a three-dimensional shape can also contribute to distribute the liquid well when it arrives in the vaporization chamber, breaking up the large drops and distributing them into smaller drops over the entire internal surface of the vaporization chamber 71. Thus, the efficiency of vaporization is improved while reducing the risk of scaling (blocking) of the device. In the embodiment where the hydrophobic layer 9 has a three-dimensional shape, the shape of the hydrophobic layer 9 can also be produced during the manufacture of the vaporization chamber 71, typically by integrating the shape into the molding.
  • the hydrophobic layer 9 has for example a pyramid shape.
  • the hydrophobic layer 9 may have the shape of a truncated pyramid.
  • the possible hydrophobic layer 9 is formed by applying a hydrophobic material to an internal surface of the vaporization chamber 71.
  • the hydrophobic material can be applied in the manner of a paint or a coating or vaporized on the internal surface of the vaporization chamber 71.
  • the hydrophobic layer 9 is an element attached to the vaporization chamber 71.
  • the attached element is held in position in the vaporization chamber 71 by an immobilization device comprising a centering element 710 of the attached element relative to the injection point.
  • the centering element 710 comprises a half-centering pin 710a formed in the vaporization chamber 71 and intended to cooperate with a notch 9a of complementary shape formed in the added element 9.
  • the internal surface of the vaporization chamber 71 comprises a hydrophilic layer 10, that is to say a layer characterized by a low surface tension.
  • the hydrophilic layer 10 extends over all or part of the internal surface of the vaporization chamber 71.
  • the hydrophilic layer 10 can be positioned only under the injection point, in the sense that only a surface under the injection point is covered with the hydrophilic layer 10.
  • the hydrophilic layer 10 extends over the entire internal surface. of the vaporization chamber 71, so as to maximize diffusion of the liquid.
  • the hydrophilic layer 10 comprises a woven material, for example a glass fabric, which makes it possible to remarkably limit the heating phenomenon.
  • the vaporization chamber 71 comprises a hydrophilic layer 10 covered at least partly by a hydrophobic layer 9.
  • the liquid injected at the injection point falls in the form of a drop on the hydrophobic layer 9, and remains in the form of a sphere due to the high surface tension of the hydrophobic material constituting the hydrophobic layer 9, this sphere then sliding towards the hydrophilic layer 10, at a distance from the injection point.
  • the hydrophilic layer 10 having a low surface tension, the drop of water can evaporate instantly. This reduces the appearance of tartar which will in any case be deposited, if necessary, at a distance from the injection point.
  • the liquid vaporization system 7 may also include a second vaporization chamber or secondary vaporization chamber 72, in fluid communication with the first vaporization chamber 71 and occupies a second distinct volume.
  • the first vaporization chamber 71 is then arranged upstream of the second vaporization chamber 72 in the direction of passage of the vapor.
  • the transformation of the liquid injected into the vaporization chamber 71 into vapor is carried out in at least two distinct vaporization chambers (71,72). This makes it possible to effectively retain unwanted tartar and to improve the resistance to limescale of the styling device 1 and therefore its duration of use.
  • the second vaporization chamber or secondary vaporization chamber 72 includes discontinuities or obstacles through the presence of baffles 73 to create a labyrinth-type path for the vapor.
  • baffle 73 is meant any obstacle or barrier placed in the chamber creating uneven movements of the steam, zigzag for example, reducing the speed of passage in the secondary vaporization chamber 72, and increasing contact with the surfaces of the different walls of the chamber 72. This makes it possible to vaporize any drops of liquid, and thus to ensure total vaporization of the liquid, the heat exchange surface being increased by the presence of the baffles 73.
  • the baffles 73 can for example be distributed parallel to each other. This allows the passage of steam according to a regular geometry, therefore trapping scale evenly in the second vaporization chamber 72.
  • the first volume occupied by the first vaporization chamber 71 is greater than the second volume occupied by the second vaporization chamber 72, or even at least twice greater, so as to allow rapid vaporization in the first volume, and not to not reduce the compactness of the vaporization system 7.
  • the possible distribution chamber 76 can be arranged laterally to the vaporization chamber 71 and to the secondary vaporization chamber 72, preferably over substantially the entire length of the vaporization system 7.
  • the injection pipe 74 comprises an opening with a cutout on a half-section, and the internal surface of the vaporization chamber 71 is covered with a hydrophobic layer 9 covering all or part of the internal surface of the vaporization chamber 71.
  • a first instant T1 typically during a first use of the styling device 1
  • the liquid coming from the reservoir is injected into the vaporization chamber 71 by the injection pipe 74, at the level of the end free forming an initial injection point 11.
  • the injected water evaporates on contact with the hydrophobic layer 9, at a vaporization point distant from the initial injection point 11, by a rapid increase in temperature.
  • the injected liquid water may contain minerals, a progressive accumulation of limescale or scale takes place at the level of the end forming the initial injection point 11. A progressive deposition of scale may take place inside the pipe. injection, until obstruction of the extremity.
  • a plug of scale 12 obstructs the end of the pipe injection 74.
  • the water then flows into the vaporization chamber 71 at another injection point 11', located upstream of the injection pipe 74 relative to the initial injection point 11.
  • the water can possibly flow on either side of the injection pipe 74, or over the scale plug 12.
  • the injection point 11' gradually shifts along the cutout of the injection pipe 74 throughout the use of the styling device 1, depending on the accumulation of tartar .
  • the moment when the injection point finds itself obstructed by scale is remarkably prolonged in time, since it is necessary to wait until the entire length of the cutout of the injection pipe 74 is obstructed by scale so that water injection can no longer occur.
  • the resistance of the device to scaling is considerably improved.
  • the injection pipe 74 comprises an opening with a slot at the free end, and the internal surface of the vaporization chamber 71 is covered with a hydrophobic layer 9 covering all or part of the internal surface of the vaporization chamber. vaporization 71.
  • the liquid in coming from the reservoir is injected into the vaporization chamber 71 by the injection pipe 74, at the level of the free end forming an initial injection point 11.
  • the injected water evaporates on contact with the hydrophobic layer 9, at a vaporization point distant from the initial injection point 11, by a rapid increase in temperature.
  • the injected liquid water may contain minerals, a progressive accumulation of limescale takes place at the end forming the initial injection point 10.
  • a progressive deposition of scale may take place inside the injection pipe 74 , until an obstruction of the extremity.
  • a plug of scale 12 obstructs the end of the injection pipe 74.
  • the water then flows into the vaporization chamber 71 at another injection point 11', located upstream of the injection pipe relative to the initial injection point 11
  • the opening includes two slots on either side of the injection pipe 74
  • the water can flow at two injection points on either side of the injection pipe. injection 74.
  • the injection point 11' gradually shifts along the slot throughout the use of the styling device 1, depending on the accumulation of tartar.
  • the moment when the injection point finds itself obstructed by scale is remarkably prolonged in time, since it is necessary to wait until the entire length of the cutout of the injection pipe 74 is obstructed by scale so that water injection can no longer occur.
  • the resistance of the device to scaling is considerably improved.
  • the addition of an opening on the injection pipe 74 and/or the presence of a hydrophobic layer 9 at the injection point allows an increase in the lifespan of the device 1 by better resistance to scaling.

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Cosmetics (AREA)
  • Cleaning And Drying Hair (AREA)
  • Irons (AREA)
EP19827734.5A 2018-12-20 2019-12-19 Appareil de coiffure a vapeur Active EP3897278B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1873684A FR3090286B1 (fr) 2018-12-20 2018-12-20 Appareil de coiffure à vapeur
PCT/EP2019/086491 WO2020127851A1 (fr) 2018-12-20 2019-12-19 Appareil de coiffure a vapeur

Publications (2)

Publication Number Publication Date
EP3897278A1 EP3897278A1 (fr) 2021-10-27
EP3897278B1 true EP3897278B1 (fr) 2024-04-17

Family

ID=66867267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19827734.5A Active EP3897278B1 (fr) 2018-12-20 2019-12-19 Appareil de coiffure a vapeur

Country Status (5)

Country Link
EP (1) EP3897278B1 (zh)
CN (2) CN212995079U (zh)
ES (1) ES2981231T3 (zh)
FR (1) FR3090286B1 (zh)
WO (1) WO2020127851A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3135601A1 (fr) 2022-05-19 2023-11-24 L'oreal Chambre de vaporisation pour appareil de coiffure à diffusion de vapeur.
FR3140245A1 (fr) 2022-09-30 2024-04-05 L'oreal Chambre de vaporisation pour appareil de coiffure à diffusion de vapeur.
FR3142069A1 (fr) 2022-11-17 2024-05-24 L'oreal Dispositif de traitement des cheveux par application de vapeur.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703570B1 (fr) 1993-04-06 1995-05-19 Seb Sa Appareil de traitement et/ou de mise en forme de cheveux pourvu d'un dispositif d'extraction de la mèche bouclée.
FR2967019B1 (fr) 2010-11-05 2014-05-23 Seb Sa Appareil de coiffure a commande automatique
FR2967017B1 (fr) 2010-11-05 2014-04-04 Seb Sa Appareil de coiffure a vapeur
FR2987242B1 (fr) 2012-02-29 2014-05-23 Seb Sa Appareil de coiffure a vapeur
FR2997271B1 (fr) 2012-10-26 2016-01-01 Oreal Dispositif de traitement de la chevelure
RU2700460C1 (ru) * 2015-11-26 2019-09-17 Конинклейке Филипс Н.В. Устройство для генерирования пара и способ генерирования пара

Also Published As

Publication number Publication date
FR3090286A1 (fr) 2020-06-26
CN111345562A (zh) 2020-06-30
CN212995079U (zh) 2021-04-20
WO2020127851A1 (fr) 2020-06-25
ES2981231T3 (es) 2024-10-07
FR3090286B1 (fr) 2021-09-17
EP3897278A1 (fr) 2021-10-27

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