EP3220770B1 - Hairstyling device with integrated thermal isolation means - Google Patents

Hairstyling device with integrated thermal isolation means Download PDF

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Publication number
EP3220770B1
EP3220770B1 EP15808723.9A EP15808723A EP3220770B1 EP 3220770 B1 EP3220770 B1 EP 3220770B1 EP 15808723 A EP15808723 A EP 15808723A EP 3220770 B1 EP3220770 B1 EP 3220770B1
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EP
European Patent Office
Prior art keywords
insulation means
cover
zone
heat insulation
thermal insulation
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EP15808723.9A
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German (de)
French (fr)
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EP3220770A1 (en
Inventor
Martial Maisonneuve
Eddy NGO
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SEB SA
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SEB SA
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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
    • A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
    • A45D1/14—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws the jaws being separable from each other
    • 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
    • A45D2001/002—Accessories therefor

Definitions

  • the present invention relates to the technical field of hairdressing apparatus for shaping hair.
  • the invention relates more particularly to the technical field of devices of the type smoothing iron comprising at least one heating smoothing plate.
  • Hair straighteners which comprise two jaws mounted on a hinge to form a clamp that can pass between an open position and a closed position.
  • Hair straighteners known to date often include in each of the jaws a heating element adjacent to a smoothing plate, the assembly being contained in a housing of the jaw.
  • the smoothing plate is often heated to more than 130 ° C which causes an increase in the temperature of the housing by thermal transmission.
  • the presence of a steam chamber in the jaw is likely to further increase the temperature of the housing.
  • the document EP2433519 discloses a straightener comprising two jaws mounted on hinge, each jaw comprising on the end opposite the hinge a piece attached to the housing.
  • This piece allows a pleasant device grip with the thumbs while closing while providing thermal insulation of the case.
  • such a piece integrated in the housing is not sufficient to lower the temperature because of the heat conduction transmitted to the room. It would be advisable to design a thermal insulation means separated from the housing at a distance.
  • the object of the present invention is to remedy at least in part the aforementioned drawbacks and to provide a hairdressing appliance with less risk of burning and a more pleasant sensation when in contact with the housing.
  • Another object of the invention is a hairdressing apparatus comprising a compact thermal insulation means, low cost and easy to produce in large quantities.
  • Another object of the invention is an ergonomic hairdressing apparatus which is easy to handle during use.
  • the isolation means is arranged substantially parallel to the housing and matches the shape thereof.
  • the spacing between the parts makes it possible to eliminate or at least limit the thermal conduction between the housing heated and the insulation means.
  • the support zone spaced from the housing is maintained at room temperature, even during use of the device, which allows the gripper to be gripped in the bearing area without causing burns or uncomfortable feeling .
  • the thermal insulation means is configured to cover only the distal end of the treatment zone.
  • the distal end is meant the end that is opposite the gripping zone. This corresponds to a zone often solicited by the user with his thumb and forefinger to properly close the clamp during a smoothing treatment;
  • the thermal insulation means is configured to cover the entire surface of the treatment zone. This configuration has the advantage of avoiding any burn of the scalp during use and to ensure protection in a larger area of the device.
  • the inner surface is spaced from the outer surface by a minimum distance D of between 0.5 mm and 4 mm in order to minimize thermal conduction. This distance can be substantially constant in the spacing between the inner surface and the outer surface.
  • the apparatus comprises a fixing means for connecting the thermal insulation means to said arm permanently.
  • the fixing means is made by at least one of the following means: screwing, snapping, fitting, gluing.
  • the thermal insulation means essentially comprises a material with a thermal conduction lower than that of the housing.
  • the thermal insulation means may consist of such a material.
  • the thermal insulation means comprises on the support zone a cover.
  • This cover is a thin layer and may consist of a material such as silicone or rubber, deposited by overmoulding on the support zone.
  • the cover essentially comprises a material of thermal conduction less than that of the thermal insulation means.
  • the thermal insulation means may consist of such a material.
  • said cover is fixed to the thermal insulation means by overmolding.
  • the cover has a ribbed surface for an anti-slip effect.
  • the cover has a surface whose smallest width is between 10 mm and 45 mm.
  • the arm comprises vaporization means and means for dispensing steam towards a lock of hair.
  • a steam styling apparatus has hot areas which are due to the vaporization chamber contained in the housing having a high temperature.
  • the use of thermal insulation means in such an apparatus is particularly effective for thermal protection during use of the apparatus.
  • the hairstyling apparatus 1 is of the straightener type and comprises two arms 2, 3 which are hinged to each other by means of a pivot connection 4 of the hinge type.
  • the two arms 2, 3 constitute a clamp which allows either an angular spacing between these two arms 2, 3, or an approximation one against the other of these two arms 2, 3 to allow the pinching of hair arranged between said two arms 2, 3.
  • each arm 2, 3 each comprise a housing 21, 31 and a heating system.
  • these heating systems each comprise a heating plate 5, 6, in the form of a flat surface as shown in FIG. figure 1 .
  • These planar heating surfaces are arranged on the inner faces of the arms 2, 3.
  • the two flat heating surfaces are arranged facing one another and allow concomitantly to perform a heat treatment of the hair, to perform their smoothing.
  • each arm 2, 3 has a treatment zone 8 which corresponds to the part integrating the heating plate 5, 6 and a gripping zone 7 which is the part between the treatment zone 8 and the hinge 4.
  • one of the two arms 2 comprises a thermal insulation means 10 which is at the distal end 8 'of the treatment zone 8. Said means 10 is therefore arranged at the opposite end of the hinge 4 of said arm 2.
  • the thermal insulation means 10 is a substantially flat piece having a bearing zone 9 accessible from the outside of the housing 21.
  • the size of this support zone 9 is ideally greater than or equal to the size of the thumb; which allows you to simply put your thumb without aiming.
  • the width of the bearing zone 9 is between 10 mm and 45 mm.
  • the surface value of the support zone 9 is between 2 cm 2 and 16 cm 2 .
  • the thermal insulation means 10 is mounted spaced from the housing 21 and has an inner surface 101 which is arranged facing the outer surface 201 of the housing 21 and this permanently.
  • the inner surface 101 is spaced from the outer surface 201 by a minimum distance D which is between 0.5 mm and 4 mm.
  • the thermal insulation means 10 comprises a fixing means 15, 25 for connecting the means 10 to the housing 21 without being dismountable. According to the illustrated example, it is a peg with pins 15 on the means 10 of thermal insulation and holes 25 on the housing 21.
  • means of the type screwing, fitting and or collage are also possible.
  • the thermal insulation means 10 and the pins 15 form a one-piece piece of polyamide (PA) with or without glass fibers, or polybutylene terephthalate (PBT) loaded or not, or polysulfone (PSU) .
  • PA polyamide
  • PBT polybutylene terephthalate
  • PSU polysulfone
  • the thermal insulation means 10 comprises on the support zone 9 a cover 9 'with low thermal conduction. It may be a silicone or rubber over-molding on the bearing zone 9 to better isolate said means 10 from heat. In addition, the silicone or the rubber allows a pleasant touch and a better resistance to the temperature to perform the overmolding.
  • the cover 9 ' consists of a material of thermal conduction less than or equal to that of the insulating means 10, the cover 9' can completely cover said means 10 and bear against the housing 21.
  • the cover 9 ' may also have a ribbed surface as illustrated in FIG. figure 1 , including for example protruding lines to facilitate the grip of the device and reduce the burning sensation.
  • the apparatus 1 comprises a base 1000 with a fluid reservoir 19, a portable unit 100 comprising vaporization means 7 ', steam distribution means 22 for the hair, a cord 24 comprising at least one pipe for the fluid passage and arranged between the fluid reservoir 19 and the vaporization means 7 '.
  • the base is deported from the portable unit, and posable on a worktop. The configuration of such an apparatus is described in the patent 2,967,017 in the name of the plaintiff and does not require further description.
  • the thermal insulation means 10 is arranged on the arm 2 which comprises the vaporization means 7 'and the steam distribution means 22.
  • the use of a thermal insulation means in this part of the apparatus makes it possible to create a relatively cold zone with respect to the rest of the casing heated by the steam.
  • the presence of the thermal insulation means makes it possible to lower the temperature of the order of 30 ° C. on the support zone relative to the housing.
  • FIG. 7 and 8 A second embodiment of the invention is illustrated in Figures 7 and 8 wherein the thermal insulation means 10 completely covers the treatment zone 8 including its distal end 8 'and substantially matches the shape of the housing 21.
  • the inner surface of the thermal insulation means 10 is spaced from the outer surface 201 of the housing with a minimum distance D which is between 0.5 mm and 4 mm.
  • the thermal insulation means 10 is connected to the housing by the same fastening means as the first embodiment.
  • the thermal insulation means 10 is arranged on the arm 2 which comprises the vaporization means 7 'and the steam distribution means 22.

Landscapes

  • Hair Curling (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Cleaning And Drying Hair (AREA)
  • Surgical Instruments (AREA)

Description

La présente invention concerne le domaine technique des appareils de coiffure destinés à la mise en forme des cheveux. L'invention concerne plus particulièrement le domaine technique des appareils du type fer à lisser comprenant au moins une plaque de lissage chauffante.The present invention relates to the technical field of hairdressing apparatus for shaping hair. The invention relates more particularly to the technical field of devices of the type smoothing iron comprising at least one heating smoothing plate.

De nombreux types de fers à lisser sont connus qui comprennent deux mâchoires montées sur une charnière pour former une pince pouvant passer entre une position ouverte et une position fermée. Les fers à lisser connus à ce jour comprennent souvent dans chacune des mâchoires un élément chauffant adjacent à une plaque de lissage, l'ensemble étant contenu dans un boîtier de la mâchoire. Pendant l'utilisation de l'appareil, la plaque de lissage est souvent chauffée à plus de 130°C ce qui entraine une augmentation de la température du boîtier par transmission thermique. Quand il s'agit d'un lisseur vapeur, la présence d'une chambre de vapeur dans la mâchoire est susceptible d'augmenter davantage la température du boîtier.Many types of straighteners are known which comprise two jaws mounted on a hinge to form a clamp that can pass between an open position and a closed position. Hair straighteners known to date often include in each of the jaws a heating element adjacent to a smoothing plate, the assembly being contained in a housing of the jaw. During the use of the apparatus, the smoothing plate is often heated to more than 130 ° C which causes an increase in the temperature of the housing by thermal transmission. When it is a vapor straightener, the presence of a steam chamber in the jaw is likely to further increase the temperature of the housing.

Or, selon l'utilisation de ces appareils, certains coiffeurs ou utilisateurs sont amenés à utiliser une main pour maintenir la fermeture de la pince pour pouvoir faire des boucles ou pour obtenir un meilleur résultat de lissage et ce, d'une manière plus efficace à l'extrémité opposée de la charnière qui présente la zone la plus chauffée du boîtier. Le fait que les doigts soient en contact directement avec cette partie du boîtier présente un risque de brûlure ou au moins une sensation désagréable lors d'un contact avec cette partie.However, according to the use of these devices, some hairdressers or users are led to use a hand to maintain the closure of the clamp to be able to make loops or to obtain a better smoothing result and this, in a more effective way to the opposite end of the hinge which has the hottest area of the housing. The fact that the fingers are in direct contact with this part of the housing presents a risk of burning or at least an unpleasant sensation when in contact with this part.

Afin de remédier à ce problème, plusieurs documents sont connus avec un système d'isolation thermique sur le boîtier de la mâchoire afin d'éviter le contact direct avec les doigts (voir GB2452340 ).To remedy this problem, several documents are known with a thermal insulation system on the housing of the jaw to avoid direct contact with the fingers (see GB2452340 ).

Par exemple, le document EP2433519 décrit un lisseur comprenant deux mâchoires montées sur charnière, chaque mâchoire comprenant sur l'extrémité opposée à la charnière une pièce rapportée au boîtier. Cette pièce permet une prise de l'appareil agréable avec les pouces pendant sa fermeture tout en fournissant une isolation thermique du boîtier. Cependant, une telle pièce intégrée au boîtier n'est pas suffisante pour faire baisser la température à cause de la conduction de chaleur transmise à la pièce. Il serait judicieux de concevoir un moyen d'isolation thermique séparé du boîtier à une certaine distance.For example, the document EP2433519 discloses a straightener comprising two jaws mounted on hinge, each jaw comprising on the end opposite the hinge a piece attached to the housing. This piece allows a Pleasant device grip with the thumbs while closing while providing thermal insulation of the case. However, such a piece integrated in the housing is not sufficient to lower the temperature because of the heat conduction transmitted to the room. It would be advisable to design a thermal insulation means separated from the housing at a distance.

Le but de la présente invention est de remédier au moins en partie aux inconvénients précités et de proposer un appareil de coiffure présentant moins de risque de brûlure et une sensation plus agréable lors d'un contact avec le boîtier.The object of the present invention is to remedy at least in part the aforementioned drawbacks and to provide a hairdressing appliance with less risk of burning and a more pleasant sensation when in contact with the housing.

Un autre but de l'invention est un appareil de coiffure comprenant un moyen d'isolation thermique compact, à faible coût et facile à produire en grande quantité.Another object of the invention is a hairdressing apparatus comprising a compact thermal insulation means, low cost and easy to produce in large quantities.

Un autre but de l'invention est un appareil de coiffure ergonomique qui est facile à manipuler pendant l'utilisation.Another object of the invention is an ergonomic hairdressing apparatus which is easy to handle during use.

Ces buts sont atteints avec un appareil de coiffure du type lisseur, comprenant

  • deux bras montés sur une charnière dont au moins un bras comprend un boîtier présentant une zone de préhension et une zone de traitement, ladite zone de traitement intégrant une plaque chauffante, lesdits bras étant configurés pour former une pince permettant à ladite plaque chauffante de mettre en forme les cheveux,
  • un moyen d'isolation thermique présentant une zone d'appui destiné à couvrir au moins partiellement l'extrémité distale de la zone de traitement, l'extrémité distale étant à l'opposé de ladite zone de préhension,
une surface interne du moyen d'isolation thermique étant agencée en regard de la surface externe dudit boîtier, et étant montée espacée de ladite surface externe.These goals are achieved with a hair straightener, comprising
  • two arms mounted on a hinge of which at least one arm comprises a housing having a gripping zone and a treatment zone, said treatment zone incorporating a heating plate, said arms being configured to form a clamp allowing said hotplate to shape the hair,
  • thermal insulation means having a bearing zone for at least partially covering the distal end of the treatment zone, the distal end being opposite said gripping zone,
an inner surface of the thermal insulation means being arranged facing the outer surface of said housing, and being mounted spaced from said outer surface.

Le moyen d'isolation est donc agencé sensiblement parallèle au boîtier et épouse la forme de celui-ci. L'espacement entre les pièces permet de supprimer ou au moins de limiter la conduction thermique entre le boîtier chauffé et le moyen d'isolation. La zone d'appui qui se trouve espacée du boîtier est maintenue à une température ambiante, même pendant l'utilisation de l'appareil, ce qui permet une préhension de la pince dans la zone d'appui sans causer de brûlure ou de sensation désagréable.The isolation means is arranged substantially parallel to the housing and matches the shape thereof. The spacing between the parts makes it possible to eliminate or at least limit the thermal conduction between the housing heated and the insulation means. The support zone spaced from the housing is maintained at room temperature, even during use of the device, which allows the gripper to be gripped in the bearing area without causing burns or uncomfortable feeling .

Selon un premier mode de réalisation de l'invention, le moyen d'isolation thermique est configuré pour couvrir uniquement l'extrémité distale de la zone de traitement. On entend par l'extrémité distale l'extrémité qui est à l'opposé de la zone de préhension. Ceci correspond à une zone souvent sollicitée par l'utilisateur avec son pouce et index pour bien fermer la pince pendant un traitement de lissage ; Selon un second mode de réalisation, le moyen d'isolation thermique est configuré pour couvrir toute la surface de la zone de traitement. Cette configuration a pour avantage d'éviter toute brûlure du cuir chevelu pendant l'utilisation et de garantir une protection dans une plus grande zone de l'appareil.According to a first embodiment of the invention, the thermal insulation means is configured to cover only the distal end of the treatment zone. By the distal end is meant the end that is opposite the gripping zone. This corresponds to a zone often solicited by the user with his thumb and forefinger to properly close the clamp during a smoothing treatment; According to a second embodiment, the thermal insulation means is configured to cover the entire surface of the treatment zone. This configuration has the advantage of avoiding any burn of the scalp during use and to ensure protection in a larger area of the device.

De surcroît, la surface interne est espacée de la surface externe d'une distance D minimum qui est comprise entre 0,5 mm et 4 mm afin de minimiser la conduction thermique. Cette distance peut être sensiblement constante dans l'espacement entre la surface interne et la surface externe.In addition, the inner surface is spaced from the outer surface by a minimum distance D of between 0.5 mm and 4 mm in order to minimize thermal conduction. This distance can be substantially constant in the spacing between the inner surface and the outer surface.

Avantageusement, l'appareil comprend un moyen de fixation permettant de relier le moyen d'isolation thermique audit bras de façon permanente. Le moyen de fixation est réalisé par au moins un des moyens suivants : vissage, bouterollage, emmanchement, collage.Advantageously, the apparatus comprises a fixing means for connecting the thermal insulation means to said arm permanently. The fixing means is made by at least one of the following means: screwing, snapping, fitting, gluing.

Selon une caractéristique de l'invention, le moyen d'isolation thermique comprend essentiellement un matériau d'une conduction thermique inférieure à celle du boîtier. Le moyen d'isolation thermique peut être constitué d'un tel matériau.According to one characteristic of the invention, the thermal insulation means essentially comprises a material with a thermal conduction lower than that of the housing. The thermal insulation means may consist of such a material.

Afin de réduire encore la sensation de chaleur, le moyen d'isolation thermique comprend sur la zone d'appui une couverture. Cette couverture est une couche fine et peut être constituée d'une matière telle que de la silicone ou du caoutchouc, déposée par surmoulage sur la zone d'appui. De plus, la couverture comprend essentiellement un matériau d'une conduction thermique inférieure à celle du moyen d'isolation thermique. Ou selon une variante, le moyen d'isolation thermique peut être constitué d'un tel matériau.In order to further reduce the sensation of heat, the thermal insulation means comprises on the support zone a cover. This cover is a thin layer and may consist of a material such as silicone or rubber, deposited by overmoulding on the support zone. In addition, the cover essentially comprises a material of thermal conduction less than that of the thermal insulation means. Alternatively, the thermal insulation means may consist of such a material.

Avantageusement, ladite couverture est fixée au moyen d'isolation thermique par surmoulage.Advantageously, said cover is fixed to the thermal insulation means by overmolding.

De surcroît, la couverture présente une surface nervurée pour un effet antidérapant.In addition, the cover has a ribbed surface for an anti-slip effect.

Avantageusement, la couverture présente une surface dont la plus petite largeur est comprise entre 10 mm et 45 mm.Advantageously, the cover has a surface whose smallest width is between 10 mm and 45 mm.

Selon une caractéristique de l'invention, le bras comprend des moyens de vaporisation et des moyens de distribution de la vapeur en direction d'une mèche de cheveux. Un tel appareil de coiffure à vapeur présente des zones chaudes qui sont dues à la chambre de vaporisation contenue dans le boîtier ayant une température élevée. L'utilisation d'un moyen d'isolation thermique dans un tel appareil s'avère particulièrement efficace pour une protection thermique pendant l'utilisation de l'appareil.According to one characteristic of the invention, the arm comprises vaporization means and means for dispensing steam towards a lock of hair. Such a steam styling apparatus has hot areas which are due to the vaporization chamber contained in the housing having a high temperature. The use of thermal insulation means in such an apparatus is particularly effective for thermal protection during use of the apparatus.

L'invention sera mieux comprise à l'étude des modes de réalisation pris à titre nullement limitatif et illustrés par les dessins annexés dans lesquels :

  • La figure 1 est une vue d'ensemble en perspective d'un appareil de coiffure comprenant un accessoire selon un premier mode de réalisation de l'invention,
  • La figure 2 est une vue d'un bras de l'appareil selon la figure 1, lequel dispose d'un moyen d'isolation thermique,
  • La figure 3 est une perspective selon le premier mode de l'invention avec le moyen d'isolation thermique démonté,
  • La figure 4 est une vue du moyen d'isolation thermique en détail selon le premier mode de réalisation,
  • La figure 5 est une vue de face du bras de l'appareil avec une couverture,
  • La figure 6 est une variante de l'appareil de coiffure,
  • La figure 7 est une vue de face du bras de l'appareil selon un second mode de réalisation,
  • La figure 8 est une vue de coupe selon un axe X du bras illustré à la figure 7.
The invention will be better understood from the study of the embodiments taken in no way limiting and illustrated by the accompanying drawings in which:
  • The figure 1 is an overall perspective view of a hairdressing apparatus comprising an accessory according to a first embodiment of the invention,
  • The figure 2 is a view of an arm of the device according to the figure 1 which has a thermal insulation means,
  • The figure 3 is a perspective according to the first embodiment of the invention with the thermal insulation means disassembled,
  • The figure 4 is a view of the thermal insulation means in detail according to the first embodiment,
  • The figure 5 is a front view of the arm of the camera with a cover,
  • The figure 6 is a variant of the hairdressing appliance,
  • The figure 7 is a front view of the arm of the device according to a second embodiment,
  • The figure 8 is a sectional view along an X axis of the arm shown in FIG. figure 7 .

Tel qu'illustré en figure 1, l'appareil de coiffure 1 est du type lisseur et comporte deux bras 2, 3 qui sont articulés entre eux à pivotement au moyen d'une liaison pivot 4 du type charnière. Ainsi, les deux bras 2, 3 constituent une pince qui permet soit un écartement angulaire entre ces deux bras 2, 3, soit un rapprochement l'un contre l'autre de ces deux bras 2, 3 pour permettre le pincement de cheveux disposés entre lesdits deux bras 2, 3.As illustrated in figure 1 , the hairstyling apparatus 1 is of the straightener type and comprises two arms 2, 3 which are hinged to each other by means of a pivot connection 4 of the hinge type. Thus, the two arms 2, 3 constitute a clamp which allows either an angular spacing between these two arms 2, 3, or an approximation one against the other of these two arms 2, 3 to allow the pinching of hair arranged between said two arms 2, 3.

Ces bras 2, 3 comprennent chacun un boîtier 21, 31 et un système de chauffe. Outre des moyens électriques chauffants (non illustrés) et des moyens de commande et de régulation thermique (non illustrés), ces systèmes de chauffe comprennent chacun une plaque chauffante 5, 6, prenant la forme d'une surface plane tel qu'illustré sur la figure 1. Ces surfaces planes chauffantes sont agencées sur les faces internes des bras 2, 3. Ainsi, lors d'un pincement les deux surfaces planes chauffantes sont disposées en regard l'une de l'autre et permettent concomitamment de réaliser un traitement thermique des cheveux, pour effectuer leur lissage. Ainsi chaque bras 2, 3 présente une zone de traitement 8 qui correspond à la partie intégrant la plaque chauffante 5, 6 et une zone de préhension 7 qui est la partie entre la zone de traitement 8 et la charnière 4.These arms 2, 3 each comprise a housing 21, 31 and a heating system. In addition to electric heating means (not shown) and thermal control and regulation means (not shown), these heating systems each comprise a heating plate 5, 6, in the form of a flat surface as shown in FIG. figure 1 . These planar heating surfaces are arranged on the inner faces of the arms 2, 3. Thus, during a nip, the two flat heating surfaces are arranged facing one another and allow concomitantly to perform a heat treatment of the hair, to perform their smoothing. Thus each arm 2, 3 has a treatment zone 8 which corresponds to the part integrating the heating plate 5, 6 and a gripping zone 7 which is the part between the treatment zone 8 and the hinge 4.

Comme illustré sur les figures 1 à 5 et selon un premier mode de réalisation, un des deux bras 2 comprend un moyen 10 d'isolation thermique qui se trouve à l'extrémité distale 8' de la zone de traitement 8. Ledit moyen 10 est donc agencé à l'extrémité opposée de la charnière 4 dudit bras 2.As illustrated on Figures 1 to 5 and according to a first embodiment, one of the two arms 2 comprises a thermal insulation means 10 which is at the distal end 8 'of the treatment zone 8. Said means 10 is therefore arranged at the opposite end of the hinge 4 of said arm 2.

Tel que visible aux figures 2 et 3, le moyen 10 d'isolation thermique est une pièce sensiblement plate présentant une zone d'appui 9 accessible depuis l'extérieur du boitier 21. La taille de cette zone d'appui 9 est idéalement supérieure ou égale à la taille du pouce, ce qui permet de mettre simplement le pouce sans viser. Par exemple, la largeur de la zone d'appui 9 est comprise entre 10 mm et 45 mm. La valeur de surface de la zone d'appui 9 est comprise entre 2cm2 et 16cm2.As visible to Figures 2 and 3 , the thermal insulation means 10 is a substantially flat piece having a bearing zone 9 accessible from the outside of the housing 21. The size of this support zone 9 is ideally greater than or equal to the size of the thumb; which allows you to simply put your thumb without aiming. For example, the width of the bearing zone 9 is between 10 mm and 45 mm. The surface value of the support zone 9 is between 2 cm 2 and 16 cm 2 .

Le moyen 10 d'isolation thermique est monté espacé du boîtier 21 et présente une surface interne 101 qui est agencée en regard de la surface externe 201 du boîtier 21 et ce de façon permanente. La surface interne 101 est espacée de la surface externe 201 d'une distance D minimum qui est comprise entre 0,5 mm et 4 mm. Pour ce faire, le moyen 10 d'isolation thermique comprend un moyen de fixation 15, 25 pour relier le moyen 10 au boîtier 21 sans qu'il puisse être démonté. Selon l'exemple illustré, il s'agit d'un bouterollage à l'aide de pions 15 sur le moyen 10 d'isolation thermique et de trous 25 sur le boîtier 21. Alternativement, des moyens du type vissage, emmanchement et ou encore collage sont également envisageables.The thermal insulation means 10 is mounted spaced from the housing 21 and has an inner surface 101 which is arranged facing the outer surface 201 of the housing 21 and this permanently. The inner surface 101 is spaced from the outer surface 201 by a minimum distance D which is between 0.5 mm and 4 mm. To do this, the thermal insulation means 10 comprises a fixing means 15, 25 for connecting the means 10 to the housing 21 without being dismountable. According to the illustrated example, it is a peg with pins 15 on the means 10 of thermal insulation and holes 25 on the housing 21. Alternatively, means of the type screwing, fitting and or collage are also possible.

Dans cet exemple, le moyen 10 d'isolation thermique et les pions 15 forment une pièce monobloc en polyamide (PA) chargé ou non en fibres de verre, ou encore en polybutylène téréphtalate (PBT) chargé ou non, ou en polysulfone (PSU).In this example, the thermal insulation means 10 and the pins 15 form a one-piece piece of polyamide (PA) with or without glass fibers, or polybutylene terephthalate (PBT) loaded or not, or polysulfone (PSU) .

Selon une variante du premier mode de réalisation, le moyen 10 d'isolation thermique comprend sur la zone d'appui 9 une couverture 9' à conduction thermique faible. Il peut s'agir d'un surmoulage en silicone ou en caoutchouc sur la zone d'appui 9 pour mieux isoler ledit moyen 10 de la chaleur. De plus, le silicone ou le caoutchouc permet un toucher agréable et une meilleure résistance à la température pour effectuer le surmoulage. Dans la mesure où la couverture 9' est constituée d'un matériau d'une conduction thermique inférieure ou égale à celle du moyen 10 d'isolation, la couverture 9' peut couvrir complètement ledit moyen 10 et s'appuyer contre le boîtier 21. La couverture 9' peut également présenter une surface nervurée tel qu'illustré à la figure 1, comprenant par exemple des lignes en protubérance permettant de faciliter la prise de l'appareil ainsi que de réduire la sensation de brûlure.According to a variant of the first embodiment, the thermal insulation means 10 comprises on the support zone 9 a cover 9 'with low thermal conduction. It may be a silicone or rubber over-molding on the bearing zone 9 to better isolate said means 10 from heat. In addition, the silicone or the rubber allows a pleasant touch and a better resistance to the temperature to perform the overmolding. Insofar as the cover 9 'consists of a material of thermal conduction less than or equal to that of the insulating means 10, the cover 9' can completely cover said means 10 and bear against the housing 21. The cover 9 'may also have a ribbed surface as illustrated in FIG. figure 1 , including for example protruding lines to facilitate the grip of the device and reduce the burning sensation.

Dans le cas où l'appareil est équipé d'un système de vaporisation tel qu'illustré à la figure 6, l'appareil 1 comprend une base 1000 avec un réservoir de fluide 19, une unité portable 100 comprenant des moyens de vaporisation 7', des moyens de distribution de la vapeur 22 à destination des cheveux, un cordon 24 comportant au moins une canalisation destinée au passage de fluide et agencée entre le réservoir de fluide 19 et les moyens de vaporisation 7'. La base est déportée de l'unité portable, et posable sur un plan de travail. La configuration d'un tel appareil est décrite dans le brevet 2 967 017 au nom de la demanderesse et ne nécessite pas une plus ample description.In the case where the apparatus is equipped with a vaporization system as illustrated in figure 6 the apparatus 1 comprises a base 1000 with a fluid reservoir 19, a portable unit 100 comprising vaporization means 7 ', steam distribution means 22 for the hair, a cord 24 comprising at least one pipe for the fluid passage and arranged between the fluid reservoir 19 and the vaporization means 7 '. The base is deported from the portable unit, and posable on a worktop. The configuration of such an apparatus is described in the patent 2,967,017 in the name of the plaintiff and does not require further description.

Selon cette configuration, le moyen 10 d'isolation thermique est agencé sur le bras 2 qui comprend les moyens de vaporisation 7' et les moyens de distribution de la vapeur 22. L'utilisation d'un moyen d'isolation thermique dans cette partie de l'appareil permet de créer une zone relativement froide par rapport au reste du boîtier chauffé par la vapeur. A titre d'exemple et selon les tests en laboratoire, la présence du moyen d'isolation thermique permet de baisser la température de l'ordre de 30°C sur la zone d'appui par rapport au boîtier.According to this configuration, the thermal insulation means 10 is arranged on the arm 2 which comprises the vaporization means 7 'and the steam distribution means 22. The use of a thermal insulation means in this part of the apparatus makes it possible to create a relatively cold zone with respect to the rest of the casing heated by the steam. By way of example and according to the laboratory tests, the presence of the thermal insulation means makes it possible to lower the temperature of the order of 30 ° C. on the support zone relative to the housing.

Un deuxième mode de réalisation de l'invention est illustré aux figures 7 et 8 dans lequel le moyen 10 d'isolation thermique recouvre complètement la zone de traitement 8 y compris son extrémité distale 8' et épouse sensiblement la forme du boîtier 21. La surface interne du moyen 10 d'isolation thermique est espacée de la surface externe 201 du boîtier d'une distance D minimum qui est comprise entre 0,5 mm et 4 mm. Le moyen 10 d'isolation thermique est relié au boîtier par les mêmes moyens de fixation que le premier mode de réalisation.A second embodiment of the invention is illustrated in Figures 7 and 8 wherein the thermal insulation means 10 completely covers the treatment zone 8 including its distal end 8 'and substantially matches the shape of the housing 21. The inner surface of the thermal insulation means 10 is spaced from the outer surface 201 of the housing with a minimum distance D which is between 0.5 mm and 4 mm. The thermal insulation means 10 is connected to the housing by the same fastening means as the first embodiment.

Dans le cas où l'appareil est équipé d'un système de vaporisation tel qu'illustré à la figure 8, le moyen 10 d'isolation thermique est agencé sur le bras 2 qui comprend les moyens de vaporisation 7' et les moyens de distribution de la vapeur 22.In the case where the apparatus is equipped with a vaporization system as illustrated in figure 8 the thermal insulation means 10 is arranged on the arm 2 which comprises the vaporization means 7 'and the steam distribution means 22.

Claims (11)

  1. Hairstyling device (1) of the straightener type, comprising
    - two arms (2, 3) mounted on a hinge (4) of which at least one arm (2) comprising a casing (21) having a gripping zone (7) and a treatment zone (8), said treatment zone (8) integrating a heating plate (5), said arms (2, 3) being configured to form a clamp making it possible for said heating plate (5) to shape the hair,
    - a heat insulation means (10) having a support zone (9) intended to cover at least partially the distal end (8') of the treatment zone (8), the distal end (8') being opposite said gripping zone (7),
    an inner surface (101) of the heat insulation means (10) being arranged facing the outer surface (201) of said casing (21), and being mounted spaced from said outer surface (201).
  2. Device according to the preceding claim, characterised in that the inner surface (101) is spaced from the outer surface (201) by a minimum distance D which is between 0.5 mm and 4 mm.
  3. Device according to one of the preceding claims, characterised in that it comprises a securing means (15, 25) making it possible to connect the heat insulation means (10) to said arm (2) permanently.
  4. Device according to the preceding claim, characterised in that the securing means (15, 25) is produced by at least one of the following means: screwing, heading, press-fitting, gluing.
  5. Device according to one of the preceding claims, characterised in that the heat insulation means (10) mainly comprises a material of a heat conduction less than that of the casing (21).
  6. Device according to one of the preceding claims, characterised in that the heat insulation means (10) comprises a cover (9') on the support zone (9).
  7. Device according to the preceding claim, characterised in that the cover (9') mainly comprises a material of a heat conduction less than that of the heat insulation means (10).
  8. Device according to the preceding claim, characterised in that said cover (9') is secured to the heat insulation means (10) by overmoulding.
  9. Device according to one of the three preceding claims, characterised in that the cover (9') has a grooved surface.
  10. Device according to one of the four preceding claims, characterised in that the cover (9') has a surface, of which the smallest width is between 10 mm and 45 mm.
  11. Device according to one of the preceding claims, characterised in that the arm (2) comprises vaporisation means (7') and means for distributing steam (22) in the direction of a strand of hair.
EP15808723.9A 2014-11-18 2015-11-16 Hairstyling device with integrated thermal isolation means Active EP3220770B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1461151A FR3028392B1 (en) 2014-11-18 2014-11-18 HAIRSTONE APPARATUS WITH INTEGRATED THERMAL INSULATION MEANS
PCT/FR2015/053093 WO2016079408A1 (en) 2014-11-18 2015-11-16 Hairstyling appliance having an integrated thermal insulation means

Publications (2)

Publication Number Publication Date
EP3220770A1 EP3220770A1 (en) 2017-09-27
EP3220770B1 true EP3220770B1 (en) 2019-05-15

Family

ID=52345412

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Application Number Title Priority Date Filing Date
EP15808723.9A Active EP3220770B1 (en) 2014-11-18 2015-11-16 Hairstyling device with integrated thermal isolation means

Country Status (5)

Country Link
EP (1) EP3220770B1 (en)
CN (2) CN116158607A (en)
ES (1) ES2730386T3 (en)
FR (1) FR3028392B1 (en)
WO (1) WO2016079408A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3134690A1 (en) 2022-04-21 2023-10-27 L'oreal Hair treatment device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10272010A (en) * 1997-03-31 1998-10-13 Matsushita Electric Works Ltd Hair iron
KR19980087268A (en) * 1997-05-29 1998-12-05 츠치야 히로오 Insulated double wall container
GB2452340B (en) * 2007-09-03 2012-07-11 Jemella Group Ltd Improvements in and relating to hair irons
KR101124258B1 (en) * 2010-04-13 2012-03-27 주식회사 비투와이 Hair Iron
GB201016028D0 (en) * 2010-09-24 2010-11-10 Daletech Electronics Ltd Hair iron
CN202191101U (en) * 2011-08-01 2012-04-18 统奕包装股份有限公司 Heat-insulation article
CN202436392U (en) * 2012-02-17 2012-09-19 广州市菲力克斯电器有限公司 Air diversion heat insulation device for hair dryer
CN202858642U (en) * 2012-09-10 2013-04-10 方芳丽 Novel tea bowl with heat dissipation function
CN203341189U (en) * 2013-06-14 2013-12-18 张红星 Air blowing head for electric hair dryer
CN203913785U (en) * 2014-06-26 2014-11-05 刘小荣 A kind of three-in-one hair iron

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
ES2730386T3 (en) 2019-11-11
EP3220770A1 (en) 2017-09-27
FR3028392B1 (en) 2016-11-11
WO2016079408A1 (en) 2016-05-26
CN107105854A (en) 2017-08-29
FR3028392A1 (en) 2016-05-20
CN116158607A (en) 2023-05-26

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