EP2622989B1 - Hair-styling apparatus for curling hair - Google Patents

Hair-styling apparatus for curling hair Download PDF

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Publication number
EP2622989B1
EP2622989B1 EP20130152405 EP13152405A EP2622989B1 EP 2622989 B1 EP2622989 B1 EP 2622989B1 EP 20130152405 EP20130152405 EP 20130152405 EP 13152405 A EP13152405 A EP 13152405A EP 2622989 B1 EP2622989 B1 EP 2622989B1
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EP
European Patent Office
Prior art keywords
hair
winding body
appliance according
ring
hairdressing appliance
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EP20130152405
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German (de)
French (fr)
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EP2622989A1 (en
Inventor
Régis FEREYRE
Franck Mandica
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SEB SA
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SEB SA
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    • 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
    • A45D1/28—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for controlling or indicating the temperature

Definitions

  • the present invention relates to a hair styling device or hair shaping, more particularly to the type curling iron or curling or rotary blower brush having a housing connected to at least one rotary heating body to perform the shaping of the hair by any type of heat.
  • Most hair shaping devices such as curling or curling irons comprise a handle supporting a heating mandrel and a pressure clamp mounted radially on the mandrel and intended to bring the hair in contact with the mandrel, in particular by passing from an open position allowing the insertion of the hair to a closed position for their contact with the heating mandrel. The transition from the open position to the closing position is done manually by pressing an opening lever of the pressure clamp.
  • the mandrel is heated and the end of a lock of hair is caught between the pressure clamp and the mandrel.
  • the rotation of the mandrel can be manual or automatic and allows the curling iron to wrap the rest of the wick around the mandrel.
  • the wrap of a lock of hair is made by at least partially winding the wick around the treatment surface (s) and applying heat to fix the loop mainly in static.
  • we wick the hair to the scalp it keeps in place a few seconds the wick rolled.
  • the heat changes the texture of the hair and allows them to take the shape of the mandrel, forming a loop.
  • the loop is then unwound by pulling on the mandrel or even by unlocking the wick by opening the lever or the clamp.
  • the document US4829156 describes winding a lock of hair around a heating mandrel by providing a rotational drive by an electric motor of the mandrel about its axis.
  • the end of a strand of hair is pinched by opening a tongue pivotally mounted around a hinge of the mandrel, then, by actuating a switch, the mandrel starts to rotate, thus allowing the automatic winding of the bit on the chuck, in both directions of rotation.
  • the part of the wick the longest in contact, and also the most fragile is the tip which is pinched between the lever and the heating mandrel.
  • the document US4841127 discloses a curling iron whose heating mandrel for receiving the lock of hair comprises two resistors operating at different temperatures (180 ° C and 240 ° C) connected in series and arranged along the mandrel. Resistance with the smallest temperature being closest to the handle. These two resistors are connected to switches for supplying one of the two resistors or the two resistors. The loop holding clamp closes the entire length of the mandrel. The lock of hair is in direct contact between the clamp and the mandrel.
  • the document WO98 / 07345A also discloses a curling iron having on its outer surface means for reducing the heating. Nevertheless, in operation of all these devices, often the tip of the treated lock is the most heated and / or is the most damaged for example by the creation of forks at the end of the hair. The tip of the lock is the most "sensitized" area of the wick. None of these documents discloses a curling iron respectful of the tip of the wick and representing a good loopback efficiency.
  • the object of the present invention is to combine in an optimized manner, on a electric curling apparatus, the efficiency in the formation of the curls and the respect of the tips of the treated locks.
  • Another object of the invention is to provide additional heating safety on a device to loop electric.
  • Another object of the present invention is to create a loop by an electric curler temperature controlled both effective and hair-friendly.
  • Another object of the present invention is to obviate the aforementioned drawbacks and to propose an electric curling apparatus that can be modulated according to the wishes of the user.
  • Another object of the invention is a hairdressing apparatus capable of providing the energy necessary for the proper treatment of the hair, in a fast, efficient and economical way.
  • Another object of the invention is a hairdressing device capable of ensuring good ergonomics and comfortable use, while being reliable in operation.
  • Another object of the invention is a hairdressing appliance of simplified structure and compact and can be industrialized for a low cost.
  • Another object of the invention is a hair treatment apparatus that allows an effective treatment of the hair, while being easy and convenient to use.
  • a hairdressing apparatus comprising a gripping means, a winding body of a lock of hair composed of a proximal portion to the gripping means and a distal portion by means of gripping, means for pinching the hair to hold the wick on the winding body, heating means of the winding body, where the proximal portion has on its outer surface means for reducing the heating. This reduces the heat emitted on the surface of the winding body which will be in contact with the tips of the wick, without reducing the heating temperature of the rest of the body and therefore without reducing its effectiveness.
  • the distal portion has no means of reducing the heating.
  • This distal part can be left “bare”.
  • the heating temperature in the distal portion of the gripping means is not changed or even reduced.
  • the heating reduction means comprise a ring made of thermally resistant and insulating material around the proximal portion. This ring therefore reduces the contact temperature of the proximal part of the mandrel.
  • This ring can be positioned permanently on the winding body or can be interchangeable.
  • the ring according to the invention may have a cylindrical shape with a substantially constant thickness. This makes the manufacturing simple and inexpensive.
  • the ring may have a cylindrical shape with cavities. These cavities may be open or closed, may for example take the form of honeycomb, all these constructions preferentially increasing the thermal insulation properties.
  • this ring is a piece of rubber or resin surrounding the proximal portion of said body.
  • a gum or resin introduces a drop in the temperature of the coated body and a thermal protection of the hair.
  • a deformable rubber makes it possible to solve the geometry problems between the winding body and the gripping means of the wick and ensures good compliance.
  • it also allows to introduce a coefficient of friction greater than that of the winding body to better hold the end of the wick during winding. Also, it is slightly extensible which allows a good removal or replacement of the ring.
  • This gum or resin may be essentially composed of silicone or elastomer or ethylene propylene diene monomer or leather or Velcro ® or similar material.
  • this ring is a thermally resistant paint applied to the proximal portion of said body.
  • This layer of paint applied in the factory remains permanently and does not change the size of the device very little.
  • the axial length of the proximal portion is between 20 and 50% of the axial length of said body, preferably between 30% and 40%. This relatively smaller length than that of the proximal part just keeps the tip of the wick.
  • the clamping means comprise a pivoting tile about an axis ⁇ transverse to the winding body, the length of said tile being substantially equal to that of the proximal portion. The user can operate the clamp to set up the wick.
  • the tile has on its inner surface for gripping the hair with the winding body secondary means of reducing hair heating arranged next to the heating reduction means of the winding body.
  • secondary means of reducing hair heating arranged next to the heating reduction means of the winding body.
  • the secondary heat reduction means comprise a layer of thermally resistant and insulating material, this layer possibly consisting essentially of gum or resin or can be a thermally resistant paint.
  • the hairdressing apparatus comprises means for driving in rotation the assembly formed of the winding body and the clamping means, and comprises a control unit for controlling said assembly in rotation.
  • the user can control by actuating a single button the motorized rotation in one direction or in one of the two directions of rotation.
  • the hairdressing apparatus 1 comprises a gripping means or handle 2, a winding body or mandrel 3 of a lock of hair in the extension of the gripping means, gripping means 7 to maintain the wick against the winding body in operation, drive means 8 in rotation of the winding body 3 about its longitudinal axis L.
  • the apparatus comprises a control unit 9 connected to actuating means 10 and programmed to control the drive means 8 of the winding body assembly 3 and gripper 7 according to one direction predetermined rotation (a button) or according to the chosen direction (two buttons).
  • the apparatus comprises temperature control buttons 13 so that the user can adjust and choose the heating temperature of the winding body, generally between 130 ° C and 230 ° C.
  • the hairdressing apparatus of the invention comprises first a heating coil body around which a lock of hair from one end thereof to the root of the hair will be wound by the user.
  • the winding can thus be completely manual.
  • the apparatus may comprise an additionally motorized winding body, capable of automatically winding a lock of hair from one end thereof to the root of the hair.
  • the end of the wick is fixed to the winding body by a gripping clamp, the rotational actuation of the winding body about its longitudinal axis to achieve the manual or automatic winding of the wick on the surface outer winding thereof.
  • the winding is automatic, it reduces the winding time and makes the operation easy for the user, the wick can thus quickly cover the outer surface of the winding body.
  • the fastening means may be a clamp 7 which extends over at least a part of the winding body or any other means for fixing the wick to the body by its free end and thus allowing the winding of the wick without that she does not slip.
  • the clamping means are able to pass from an open position without contact with the external surface of the body 3 to a closed position in contact with the external surface of the body 3. They can be actuated by a dedicated button 17 as illustrated in the figures.
  • the hairdressing apparatus 1 comprises on the winding body 3 only the proximal portion 3p of the winding body 3 having on its outer surface means for reducing the heating 31, 32.
  • the distal portion 3d of the winding body does not present any means of reducing the heating: it can for example be left bare.
  • the heating reduction means 31, 32 comprise a piece in the form of a ring made of thermally resistant material around the proximal portion of said body 3.
  • the ring may be a piece of rubber or resin 31 surrounding the proximal portion of said body 3.
  • the ring may also be in silione or ethylene propylene diene monomer or leather or Velcro ® or similar material to reduce the temperature emitted by the proximal portion of the winding body.
  • it may still be an elastomer such as EPDM (ethylene-propylene-diene monomer) or natural resin such as latex or EVA.
  • the ring may take the form of a cylinder or a truncated cone whose distal diameter is a little smaller than the proximal diameter. Generally the ring will have a thickness between 1 and 5mm preferably around 2mm, the thickness being constant.
  • the ring may be provided with longitudinal internal grooves.
  • the ring if it is made of gum or resin material may be deformable so that it can be installed and removed from the body by the user. The ring can be cleaned, or even be soaked with cosmetic product between two operations. It may be replaced by another ring identical or different thickness and / or axial length.
  • a set comprising a device to loop and several interchangeable rings. The material used is such that the ring can retract slightly when heated, still better adhering to the winding body.
  • the ring may be a coating in the form of a thermally resistant paint 32 applied on the proximal portion of said body 3.
  • the axial length of the proximal portion is between 20 and 50% of the axial length of said body 3, preferably between 30% and 40%. In the proposed construction, it is substantially equal to one third because the length of the body is 96mm and the length of the ring is 36mm.
  • the body is a cylinder having a substantially identical diameter throughout its length.
  • the winding body may have on its proximal length a smaller diameter than that of its distal length, this to receive the ring whose thickness will be equal to the difference in diameter so as not to form a protrusion on all the body and leave the ring visually unobtrusive.
  • the clamping means 7 may comprise a tile pivotally mounted relative to the winding body and about an axis ⁇ transverse to said body 3. Preferably the length of said tile is substantially equal to that of the proximal portion 3p of the body of winding.
  • the tile 7 may have on its inner surface for pinching the hair with the winding body 3 secondary means for reducing the heating 71 of the hair arranged facing the heating reduction means 31, 32 of the winding body.
  • the secondary heating reduction means 71 comprise a layer of thermally resistant material, this layer being essentially composed of gum or resin or possibly being a thermally resistant paint. If it is gum or resin, for example silicone, said layer will have a low coefficient of friction relative to the material of the clamp and will also better hold the tip of the wick. It is advantageous to have the same material or paint used facing the clamp and the proximal portion of the winding body.
  • the drive means 8 may be able to produce a rotation speed of between 5 and 50 rpm, or even between 10 and 40 rpm.
  • An advantageous value of rotation is around 30 rpm. It has been found, in laboratory tests, that this range of speeds makes it possible to produce most types of loops of different diameters, while ensuring good tensioning of the hair during winding.
  • the motor assembly as well as a microprocessor electronic card representing the control unit and all the electrical connections are contained in the handle 2 to better balance the masses within the device.
  • the drive means 8 may comprise an electric motor, preferably a geared motor. This represents a simple and reliable solution in operation, fits well in a compact and lightweight device, while avoiding the use of a clutch more bulky.
  • the actuating means 10 may comprise at least a first control knob 10 'for rotating the motor clockwise and a second control knob 10' for rotating the motor counterclockwise (or vice versa).
  • a first control knob 10 ' for rotating the motor clockwise
  • a second control knob 10' for rotating the motor counterclockwise (or vice versa).
  • These means for controlling the direction of rotation of the winding body allow the user, by operating at the beginning of operation these control means, to choose the direction of rotation and therefore the winding direction of the hair in order to obtain either an outer loop or an inner loop.
  • the clamping means 7 may have a shape of revolution (tile) where their radius of curvature means is greater than or equal to that of the winding body 3 in the same cross section of the apparatus.
  • a radius of the heating plate equal to that of the winding body allows the heating plate to marry well the periphery of the winding body, an upper radius allowing it to adapt to wicks of significant thickness.
  • the clamp can in closed position be in contact with the body as illustrated in Figures 1, 2 and 3 , and alternatively may leave a small gap with the body of the order of one or a few millimeters because the thickness of the wick will still allow it to be pinched between the two parts 3 and 7.
  • the radius r of the winding body can be between 5mm and 32mm, preferably between 10mm and 20mm.
  • An advantageous value of the radius r is substantially equal to 12mm.
  • the inner diameter of the ring will be substantially equal to the diameter of the body.
  • heating means 4 may be associated with the winding body 3. They may optionally be associated with means 9 for controlling its temperature.
  • the heating means may be at least one of the following means, alone or in combination: a conductive heated element, a radiation heating element, for example a resistive element (ceramic ).
  • the heating element is fixedly mounted with respect to the winding body 3 of the apparatus and receives the energy through conductors connected to those of the general supply cables of the apparatus which arrive in the handle 2.
  • the apparatus comprises means for adjusting the temperature of the winding body 3, for example in a range between 40 ° C. and 250 ° C., preferably between 140 ° C. and 230 ° C., an advantageous value being around 200.
  • the winding body 3 comprises an electric heating element, preferably of the CTP type and an associated temperature sensor, for example of the CTN type (not shown). It has been measured using thermocouples that by the addition of a silicone ring, the temperature on this ring is about 10 ° C to 30 ° C lower than that of the body at the same point without a ring in use.
  • the figure 6 illustrates one of these temperature measurements:
  • the measurement of the surface temperature of the middle of the winding body is the curve 1
  • the measurement of the surface temperature of the proximal portion of the winding body according to the invention (containing a silicone ring of constant thickness equal to 3 mm) is the curve 2
  • the surface temperature measurement of the proximal portion of the winding body according to the prior art is curve 3.
  • the two curling irons have been ordered at the same set point temperature of 190 ° C and the thermocouples were arranged at the same distal location.
  • the winding body 3 may comprise, inside, a heating means 4 fixedly mounted to the gripping means 2 and, outside, a tube rotatably mounted about the longitudinal axis L.
  • the winding body 3 may have an outer winding surface of the hair with a low coefficient of friction.
  • the body can thus have a substantially smooth surface.
  • the material may be painted aluminum.
  • the inner surface of the clamp 7 may be identical to the outer winding surface.
  • Such polished surfaces guarantee a good sliding of the hair during the winding and also during the demolding of the wick.
  • Surfaces can be made by mechanical polishing or electro polishing.
  • a coating used may be PTFE (polytetrafluoroethylene), a paint (non-thermo protective), a ceramic layer, a chrome plating, anodizing, etc. It is the same for the material of the clamp 7.
  • the user begins by turning on the device which then controls the temperature setting of the winding body 3 to the temperature possibly set by the user.
  • a warning light can warn that the heating phase is over.
  • the user grabs a wick of hair and introduced the tip thereof between the winding body 3 and the clamp 7 after pivoting the clamp via the lever 17.
  • the The user actuates the button 10, 10 ', 10 "for example by pressing on its left part and controls the starting of the motor for example in the clockwise direction
  • the winding body 3 rotates and the wick is wound up to its
  • the user stops pressing the button the user then waits a few moments, during the time the wick is warmed up, then manually unrolls the wick and ends by rotating the wick.
  • clamp 7 to release the tip of the wick
  • the user can choose to operate the button 10 by pressing on the right side thereof which prints a rotational movement in the opposite direction of the motor. which makes the wick go along u winding body or mandrel 3, before lifting the clamp to release the end of the lock of hair.

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne un appareil de coiffure ou de mise en forme des cheveux, plus particulièrement du type fer à boucler ou à friser ou brosse rotative soufflante comportant un boîtier relié à au moins un corps chauffant rotatif pour effectuer la mise en forme des cheveux par tout type de chaleur.The present invention relates to a hair styling device or hair shaping, more particularly to the type curling iron or curling or rotary blower brush having a housing connected to at least one rotary heating body to perform the shaping of the hair by any type of heat.

Etat de la technique antérieure :State of the prior art:

La plupart des appareils de mise en forme des cheveux, tels par exemple les fers à friser ou à boucler comportent une poignée supportant un mandrin chauffant et une pince de pression montée radialement sur le mandrin et destinée à amener les cheveux en contact avec le mandrin, notamment en passant d'une position d'ouverture permettant l'insertion des cheveux à une position de fermeture pour leur mise en contact avec le mandrin chauffant. Le passage de la position d'ouverture à celle de fermeture se fait manuellement en pressant un levier d'ouverture de la pince de pression. En utilisation, le mandrin est chauffé et le bout d'une mèche de cheveux est pris entre la pince de pression et le mandrin. La rotation du mandrin peut être manuelle ou automatique et permet au fer à friser d'enrouler le reste de la mèche autour du mandrin. Le bouclage d'une mèche de cheveux se fait en enroulant au moins partiellement la mèche autour de la ou des surfaces de traitement et en appliquant de la chaleur pour fixer la boucle principalement en statique. Quand on souhaite boucler toute la longueur de la mèche, on enroule la mèche jusqu'au cuir chevelu, on maintient en place quelques secondes la mèche enroulée. La chaleur modifie la texture des cheveux et leur permet de prendre la forme du mandrin, en formant une boucle. La boucle est ensuite déroulée en tirant sur le mandrin voire aussi en débloquant la mèche par l'ouverture du levier ou de la pince.Most hair shaping devices, such as curling or curling irons comprise a handle supporting a heating mandrel and a pressure clamp mounted radially on the mandrel and intended to bring the hair in contact with the mandrel, in particular by passing from an open position allowing the insertion of the hair to a closed position for their contact with the heating mandrel. The transition from the open position to the closing position is done manually by pressing an opening lever of the pressure clamp. In use, the mandrel is heated and the end of a lock of hair is caught between the pressure clamp and the mandrel. The rotation of the mandrel can be manual or automatic and allows the curling iron to wrap the rest of the wick around the mandrel. The wrap of a lock of hair is made by at least partially winding the wick around the treatment surface (s) and applying heat to fix the loop mainly in static. When we want to complete the entire length of the wick, we wick the hair to the scalp, it keeps in place a few seconds the wick rolled. The heat changes the texture of the hair and allows them to take the shape of the mandrel, forming a loop. The loop is then unwound by pulling on the mandrel or even by unlocking the wick by opening the lever or the clamp.

Le document US4829156 décrit l'enroulement d'une mèche de cheveux autour d'un mandrin chauffant en proposant un entraînement en rotation par un moteur électrique du mandrin autour de son axe. En fonctionnement, l'extrémité d'une mèche de cheveux est pincée en ouvrant une languette montée pivotante autour d'une articulation du mandrin, puis, en actionnant un interrupteur le mandrin se met à tourner permettant ainsi l'enroulement automatique de la mèche sur le mandrin, et ce dans les deux sens de rotation. Ainsi la partie de la mèche la plus longtemps en contact, et aussi la plus fragile est la pointe qui est pincée entre le levier et le mandrin chauffant.The document US4829156 describes winding a lock of hair around a heating mandrel by providing a rotational drive by an electric motor of the mandrel about its axis. In operation, the end of a strand of hair is pinched by opening a tongue pivotally mounted around a hinge of the mandrel, then, by actuating a switch, the mandrel starts to rotate, thus allowing the automatic winding of the bit on the chuck, in both directions of rotation. Thus the part of the wick the longest in contact, and also the most fragile is the tip which is pinched between the lever and the heating mandrel.

Le document US4841127 divulgue un fer à friser dont le mandrin chauffant destiné à recevoir la mèche de cheveux comprend deux résistances fonctionnant à des températures différentes (180°C et 240°C) connectées en série et agencées le long du mandrin. La résistance avec la température la plus petite étant la plus proche de la poignée. Ces deux résistances sont reliées à des interrupteurs pour alimenter l'une des deux résistances ou les deux résistances. La pince de maintien de la boucle se ferme sur toute la longueur du mandrin. La mèche de cheveux est en contact direct entre la pince et le mandrin.The document US4841127 discloses a curling iron whose heating mandrel for receiving the lock of hair comprises two resistors operating at different temperatures (180 ° C and 240 ° C) connected in series and arranged along the mandrel. Resistance with the smallest temperature being closest to the handle. These two resistors are connected to switches for supplying one of the two resistors or the two resistors. The loop holding clamp closes the entire length of the mandrel. The lock of hair is in direct contact between the clamp and the mandrel.

Le document US4477716 divulgue un fer à boucler avec un mandrin entièrement recouvert d'un revêtement floqué. Ceci permet de maintenir plus facilement les cheveux en place.The document US4477716 discloses a curling iron with a mandrel entirely covered with a flocked coating. This makes it easier to hold the hair in place.

Le document WO98/07345A divulgue aussi un fer à boucler présentant sur sa surface externe des moyens de réduction de la chauffe. Néanmoins, en fonctionnement de tous ces appareils, souvent la pointe de la mèche traitée est la plus chauffée et/ou est la plus endommagée par exemple par la création de fourches à l'extrémité des cheveux. La pointe des mèches est la zone la plus « sensibilisée » de la mèche. Aucun de ces documents ne divulgue un fer à boucler respectueux de la pointe de la mèche et représentant une bonne efficacité de bouclage.The document WO98 / 07345A also discloses a curling iron having on its outer surface means for reducing the heating. Nevertheless, in operation of all these devices, often the tip of the treated lock is the most heated and / or is the most damaged for example by the creation of forks at the end of the hair. The tip of the lock is the most "sensitized" area of the wick. None of these documents discloses a curling iron respectful of the tip of the wick and representing a good loopback efficiency.

Exposé de l'invention:Presentation of the invention

Le but de la présente invention vise à combiner de façon optimisée, sur un appareil à boucler électrique, l'efficacité dans la formation des boucles et le respect des pointes des mèches traitées.The object of the present invention is to combine in an optimized manner, on a electric curling apparatus, the efficiency in the formation of the curls and the respect of the tips of the treated locks.

Un autre but de l'invention est de fournir une sécurité de chauffe supplémentaire sur un appareil à boucler électrique.Another object of the invention is to provide additional heating safety on a device to loop electric.

Un autre but de la présente invention vise à créer une boucle par un appareil à boucler électrique commandé en température à la fois efficace et respectueux des cheveux.Another object of the present invention is to create a loop by an electric curler temperature controlled both effective and hair-friendly.

Un autre but de la présente invention est d'obvier les inconvénients précités et de proposer un appareil à boucler électrique modulable selon le souhait de l'utilisateur.Another object of the present invention is to obviate the aforementioned drawbacks and to propose an electric curling apparatus that can be modulated according to the wishes of the user.

Un autre but de l'invention est un appareil de coiffure apte à fournir l'énergie nécessaire au bon traitement des cheveux, de manière rapide, efficace et économe.Another object of the invention is a hairdressing apparatus capable of providing the energy necessary for the proper treatment of the hair, in a fast, efficient and economical way.

Un autre but de l'invention est un appareil de coiffure apte à assurer une bonne ergonomie et une utilisation confortable, tout en étant fiable en fonctionnement.Another object of the invention is a hairdressing device capable of ensuring good ergonomics and comfortable use, while being reliable in operation.

Un autre but de l'invention est un appareil de coiffure de structure simplifiée et compacte et pouvant être industrialisé pour un faible coût.Another object of the invention is a hairdressing appliance of simplified structure and compact and can be industrialized for a low cost.

Un autre but de l'invention est un appareil de traitement des cheveux qui permette un traitement efficace de la chevelure, tout en étant d'une utilisation aisée et pratique.Another object of the invention is a hair treatment apparatus that allows an effective treatment of the hair, while being easy and convenient to use.

Ces buts sont atteints avec un appareil de coiffure selon la revendication 1, comportant un moyen de préhension, un corps d'enroulement d'une mèche de cheveux composé d'une partie proximale au moyen de préhension et d'une partie distale au moyen de préhension, des moyens de pincement des cheveux pour maintenir la mèche sur le corps d'enroulement, des moyens de chauffe du corps d'enroulement , où la partie proximale présente sur sa surface externe des moyens de réduction de la chauffe. Ceci permet de réduire la chauffe émise en surface du corps d'enroulement qui sera en contact avec les pointes de la mèche, sans toutefois réduire la température de chauffe du reste du corps et donc sans réduire son efficacité.These objects are achieved with a hairdressing apparatus according to claim 1, comprising a gripping means, a winding body of a lock of hair composed of a proximal portion to the gripping means and a distal portion by means of gripping, means for pinching the hair to hold the wick on the winding body, heating means of the winding body, where the proximal portion has on its outer surface means for reducing the heating. This reduces the heat emitted on the surface of the winding body which will be in contact with the tips of the wick, without reducing the heating temperature of the rest of the body and therefore without reducing its effectiveness.

Selon une caractéristique de l'invention, la partie distale ne présente aucun moyen de réduction de la chauffe. Cette partie distale peut être laissée « nue ». Ainsi la température de chauffe en partie distale au moyen de préhension n'est ni modifiée ni même réduite.According to a characteristic of the invention, the distal portion has no means of reducing the heating. This distal part can be left "bare". Thus the heating temperature in the distal portion of the gripping means is not changed or even reduced.

Selon une caractéristique de l'invention, les moyens de réduction de chauffe comprennent une bague constituée de matériau thermiquement résistant et isolant autour de la partie proximale. Cette bague réduit donc la température de contact de la partie proximale du mandrin. Cette bague peut être positionnée à demeure sur le corps d'enroulement ou peut être interchangeable.According to one characteristic of the invention, the heating reduction means comprise a ring made of thermally resistant and insulating material around the proximal portion. This ring therefore reduces the contact temperature of the proximal part of the mandrel. This ring can be positioned permanently on the winding body or can be interchangeable.

La bague selon l'invention peut avoir une forme cylindrique à épaisseur substantiellement constante. Ceci rend la fabrication simple et peu couteuse. Alternativement, ou bien sur une partie de celle-ci, la bague peut avoir une forme cylindrique présentant des cavités. Ces cavités peuvent être ouvertes ou fermées, peuvent par exemples prendre la forme de nid d'abeilles, toutes ces constructions augmentant préférentiellement les propriétés d'isolation thermique.The ring according to the invention may have a cylindrical shape with a substantially constant thickness. This makes the manufacturing simple and inexpensive. Alternatively, or on a part of it, the ring may have a cylindrical shape with cavities. These cavities may be open or closed, may for example take the form of honeycomb, all these constructions preferentially increasing the thermal insulation properties.

Selon un premier mode de réalisation de cette bague, celle-ci est une pièce en gomme ou résine entourant la partie proximale dudit corps. Une telle gomme ou résine introduit une baisse de la température du corps revêtu et une protection thermique des cheveux. Avantageusement, une telle gomme, déformable, permet de résoudre les problèmes de géométrie entre le corps d'enroulement et les moyens de pincement de la mèche et assure une bonne compliance. Avantageusement elle permet aussi d'introduire un coefficient de frottement supérieur à celui du corps d'enroulement pour mieux tenir l'extrémité de la mèche pendant l'enroulement. Aussi, elle est légèrement extensible ce qui permet un bon enlèvement voire remplacement de la bague.According to a first embodiment of this ring, it is a piece of rubber or resin surrounding the proximal portion of said body. Such a gum or resin introduces a drop in the temperature of the coated body and a thermal protection of the hair. Advantageously, such a deformable rubber makes it possible to solve the geometry problems between the winding body and the gripping means of the wick and ensures good compliance. Advantageously it also allows to introduce a coefficient of friction greater than that of the winding body to better hold the end of the wick during winding. Also, it is slightly extensible which allows a good removal or replacement of the ring.

Cette gomme ou résine peut être essentiellement composée de silicone ou d'élastomère ou d'éthylène propylène diène monomère ou de cuir ou Velcro ® ou de matériau similaire.This gum or resin may be essentially composed of silicone or elastomer or ethylene propylene diene monomer or leather or Velcro ® or similar material.

Selon un deuxième mode de réalisation de cette bague, celle-ci est une peinture thermiquement résistante appliquée sur la partie proximale dudit corps. Cette couche de peinture appliquée en usine reste à demeure et ne change que très peu le dimensionnement de l'appareil.According to a second embodiment of this ring, it is a thermally resistant paint applied to the proximal portion of said body. This layer of paint applied in the factory remains permanently and does not change the size of the device very little.

Tous les modes de réalisation à la portée de l'homme du métier introduisant une pièce ou un revêtement ou une peinture permettant de réduire l'émission de chaleur émise par le corps d'enroulement représentent des modes de l'invention.All embodiments within the reach of those skilled in the art introducing a part or a coating or a paint to reduce the heat emission emitted by the winding body represent modes of the invention.

Selon une caractéristique de l'invention, la longueur axiale de la partie proximale est comprise entre 20 et 50% de la longueur axiale dudit corps, préférentiellement entre 30% et 40%. Cette longueur relativement plus petite que celle de la partie proximale permet juste de tenir la pointe de la mèche.According to one characteristic of the invention, the axial length of the proximal portion is between 20 and 50% of the axial length of said body, preferably between 30% and 40%. This relatively smaller length than that of the proximal part just keeps the tip of the wick.

Selon une caractéristique de l'invention, les moyens de pincement comprennent une tuile pivotante autour d'un axe Δ transversal au corps d'enroulement, la longueur de ladite tuile étant sensiblement égale à celle de la partie proximale. L'utilisateur peut actionner la pince pour mettre en place la mèche.According to one characteristic of the invention, the clamping means comprise a pivoting tile about an axis Δ transverse to the winding body, the length of said tile being substantially equal to that of the proximal portion. The user can operate the clamp to set up the wick.

Selon une caractéristique de l'invention, la tuile présente sur sa surface interne destinée à pincer les cheveux avec le corps d'enroulement des moyens secondaires de réduction de chauffe des cheveux agencés en regard des moyens de réduction de chauffe du corps d'enroulement. L'effet atteint par les moyens de réduction de la chauffe est ainsi amplifié.According to a feature of the invention, the tile has on its inner surface for gripping the hair with the winding body secondary means of reducing hair heating arranged next to the heating reduction means of the winding body. The effect achieved by the means for reducing the heating is thus amplified.

Selon une caractéristique de l'invention, les moyens secondaires de réduction de chauffe comprennent une couche de matériau thermiquement résistant et isolant, cette couche pouvant être composée essentiellement de gomme ou de résine ou pouvant être une peinture thermiquement résistante. Les effets et avantages atteints par les moyens principaux de réduction de la chauffe sont ainsi amplifiés par ses moyens secondaires.According to one characteristic of the invention, the secondary heat reduction means comprise a layer of thermally resistant and insulating material, this layer possibly consisting essentially of gum or resin or can be a thermally resistant paint. The effects and advantages achieved by the main means of reducing the heating are thus amplified by its secondary means.

Selon une caractéristique de l'invention, l'appareil de coiffure comprend des moyens d'entraînement en rotation de l'ensemble formé du corps d'enroulement et des moyens de pincement, et comprend une unité de contrôle pour commander ledit ensemble en rotation. L'utilisateur peut commander par l'actionnement d'un simple bouton la rotation motorisée dans un sens voire dans l'un des 2 sens de rotation.According to one characteristic of the invention, the hairdressing apparatus comprises means for driving in rotation the assembly formed of the winding body and the clamping means, and comprises a control unit for controlling said assembly in rotation. The user can control by actuating a single button the motorized rotation in one direction or in one of the two directions of rotation.

Brève description des dessins :Brief description of the drawings:

  • L'invention sera mieux comprise à l'étude des modes de réalisation pris à titre nullement limitatif et illustrés ici :
    • La figure 1 illustre une vue avant en perspective de l'appareil selon l'invention;
    • La figure 2 illustre une vue de côté de l'appareil selon l'invention;
    • Les figures 3 et 4 illustrent une vue en coupe longitudinale du premier mode de réalisation de l'invention avec la pince en position fermée et respectivement ouverte;
    • La figure 5 illustre une vue en coupe longitudinale du deuxième mode de réalisation de l'invention ;
    • La figure 6 illustre des mesures de températures en fonction du temps après mise en fonctionnement sur un appareil selon l'art antérieur et sur un appareil selon l'invention.
    The invention will be better understood by studying the embodiments taken as non-limiting and illustrated here:
    • The figure 1 illustrates a perspective front view of the apparatus according to the invention;
    • The figure 2 illustrates a side view of the apparatus according to the invention;
    • The figures 3 and 4 illustrate a longitudinal sectional view of the first embodiment of the invention with the clamp in the closed position and respectively open;
    • The figure 5 illustrates a longitudinal sectional view of the second embodiment of the invention;
    • The figure 6 illustrates temperature measurements as a function of time after putting into operation on a device according to the prior art and on an apparatus according to the invention.
Exposé détaillé de l'invention :Detailed description of the invention:

L'appareil de coiffure 1 selon ces modes de réalisation illustrés comporte un moyen de préhension ou poignée 2, un corps d'enroulement ou mandrin 3 d'une mèche de cheveux dans le prolongement du moyen de préhension, des moyens de pincement 7 pour maintenir la mèche contre le corps d'enroulement en fonctionnement, des moyens d'entrainement 8 en rotation du corps d'enroulement 3 autour de son axe longitudinal L. L'appareil comporte une unité de contrôle 9 reliée à des moyens d'actionnement 10 et programmée pour commander les moyens d'entraînement 8 de l'ensemble corps d'enroulement 3 et pince 7 selon un sens de rotation prédéterminé (un bouton) ou selon le sens choisi (deux boutons). L'appareil comporte des boutons de commande de la température 13 pour que l'utilisateur puisse régler et choisir la température de chauffe du corps d'enroulement, généralement comprise entre 130°C et 230°C.The hairdressing apparatus 1 according to these illustrated embodiments comprises a gripping means or handle 2, a winding body or mandrel 3 of a lock of hair in the extension of the gripping means, gripping means 7 to maintain the wick against the winding body in operation, drive means 8 in rotation of the winding body 3 about its longitudinal axis L. The apparatus comprises a control unit 9 connected to actuating means 10 and programmed to control the drive means 8 of the winding body assembly 3 and gripper 7 according to one direction predetermined rotation (a button) or according to the chosen direction (two buttons). The apparatus comprises temperature control buttons 13 so that the user can adjust and choose the heating temperature of the winding body, generally between 130 ° C and 230 ° C.

L'appareil de coiffure de l'invention comporte d'abord un corps d'enroulement chauffant autour duquel une mèche de cheveux à partir d'une extrémité de celle-ci et jusqu'à la racine des cheveux sera enroulée par l'utilisateur. L'enroulement peut ainsi être totalement manuel. L'appareil peut comporter un corps d'enroulement additionnellement motorisé, apte donc à enrouler automatiquement une mèche de cheveux à partir d'une extrémité de celle-ci et jusqu'à la racine des cheveux. L'extrémité de la mèche est fixée au corps d'enroulement par une pince d'accrochage, l'actionnement en rotation du corps d'enroulement autour de son axe longitudinal permettant de réaliser l'enroulement manuel ou automatique de la mèche sur la surface externe d'enroulement de celui-ci. Lorsque l'enroulement est automatique, il permet de réduire le temps d'enroulement et de rendre l'opération facile pour l'utilisateur, la mèche pouvant ainsi rapidement recouvrir la surface externe du corps d'enroulement. En utilisant un moyen d'accroche ou de fixation efficace et en adaptant, manuellement ou automatiquement, la vitesse de rotation du moteur aux dimensions du corps d'enroulement, voire au type de cheveux à traiter, on obtient un enroulement efficace pour une mise en tension optimale et uniforme de la mèche enroulée. Les moyens de fixation peuvent être une pince 7 qui s'étend sur au moins une partie du corps d'enroulement ou tout autre moyen permettant de fixer la mèche au corps par son extrémité libre et permettant ainsi l'enroulement de la mèche sans qu'elle ne glisse. Les moyens de pincement sont aptes à passer d'une position d'ouverture sans contact avec la surface externe du corps 3 à une position de fermeture en contact avec la surface externe du corps 3. Ils peuvent être actionnés par un bouton dédié 17 comme illustré sur les figures.The hairdressing apparatus of the invention comprises first a heating coil body around which a lock of hair from one end thereof to the root of the hair will be wound by the user. The winding can thus be completely manual. The apparatus may comprise an additionally motorized winding body, capable of automatically winding a lock of hair from one end thereof to the root of the hair. The end of the wick is fixed to the winding body by a gripping clamp, the rotational actuation of the winding body about its longitudinal axis to achieve the manual or automatic winding of the wick on the surface outer winding thereof. When the winding is automatic, it reduces the winding time and makes the operation easy for the user, the wick can thus quickly cover the outer surface of the winding body. By using an effective means of attachment or attachment and adapting, manually or automatically, the speed of rotation of the motor to the dimensions of the winding body, or to the type of hair to be treated, an effective winding is obtained for optimal and uniform tension of the wound wick. The fastening means may be a clamp 7 which extends over at least a part of the winding body or any other means for fixing the wick to the body by its free end and thus allowing the winding of the wick without that she does not slip. The clamping means are able to pass from an open position without contact with the external surface of the body 3 to a closed position in contact with the external surface of the body 3. They can be actuated by a dedicated button 17 as illustrated in the figures.

L'appareil 1 de coiffure comporte sur le corps d'enroulement 3 uniquement la partie proximale 3p du corps d'enroulement 3 présentant sur sa surface externe des moyens de réduction de la chauffe 31, 32. La partie distale 3d du corps d'enroulement ne présente elle aucun moyen de réduction de la chauffe : elle peut par exemple être laissée nue. Les moyens de réduction de chauffe 31, 32 comprennent une pièce sous la forme d'une bague constituée de matériau thermiquement résistant autour de la partie proximale dudit corps 3. La bague peut être une pièce en gomme ou résine 31 entourant la partie proximale dudit corps 3. La bague peut encore être en silione ou éthylène propylène diène monomère ou cuir ou Velcro ® ou de matériau similaire permettant de réduire la température émise par la partie proximale du corps d'enroulement. Par exemple, il peut encore s'agir d'un élastomère comme l'EPDM (éthylène-propylène-diène monomère) ou de résine naturelle comme le latex ou EVA.The hairdressing apparatus 1 comprises on the winding body 3 only the proximal portion 3p of the winding body 3 having on its outer surface means for reducing the heating 31, 32. The distal portion 3d of the winding body does not present any means of reducing the heating: it can for example be left bare. The heating reduction means 31, 32 comprise a piece in the form of a ring made of thermally resistant material around the proximal portion of said body 3. The ring may be a piece of rubber or resin 31 surrounding the proximal portion of said body 3. The ring may also be in silione or ethylene propylene diene monomer or leather or Velcro ® or similar material to reduce the temperature emitted by the proximal portion of the winding body. For example, it may still be an elastomer such as EPDM (ethylene-propylene-diene monomer) or natural resin such as latex or EVA.

La bague peut adopter la forme d'un cylindre ou d'un tronc de cône dont le diamètre distal est un peu inférieur au diamètre proximal. Généralement la bague aura une épaisseur comprise entre 1 et 5mm préférentiellement autour de 2mm, l'épaisseur pouvant être constante. La bague peut être munie de rainures internes longitudinales. La bague, si elle est en matériau type gomme ou résine peut être déformable de sorte à pouvoir être installée et enlevée du corps par l'utilisateur. La bague pourra être nettoyée, voire être imbibée de produit cosmétique entre 2 fonctionnements. Elle pourra être remplacée par une autre bague identique ou différente en épaisseur et/ou en longueur axiale. On peut imaginer un set comportant un appareil à boucler et plusieurs bagues interchangeables. Le matériau utilisé est de sorte que la bague peut se rétracter légèrement lorsqu'elle est chauffée, adhérant mieux encore au corps d'enroulement.The ring may take the form of a cylinder or a truncated cone whose distal diameter is a little smaller than the proximal diameter. Generally the ring will have a thickness between 1 and 5mm preferably around 2mm, the thickness being constant. The ring may be provided with longitudinal internal grooves. The ring, if it is made of gum or resin material may be deformable so that it can be installed and removed from the body by the user. The ring can be cleaned, or even be soaked with cosmetic product between two operations. It may be replaced by another ring identical or different thickness and / or axial length. One can imagine a set comprising a device to loop and several interchangeable rings. The material used is such that the ring can retract slightly when heated, still better adhering to the winding body.

Alternativement la bague peut être un revêtement prenant la forme d'une peinture thermiquement résistante 32 appliquée sur la partie proximale dudit corps 3. La longueur axiale de la partie proximale est comprise entre 20 et 50% de la longueur axiale dudit corps 3, préférentiellement entre 30% et 40%. Dans la construction proposée, elle est sensiblement égale au tiers car la longueur du corps est de 96mm et la longueur de la bague est de 36mm.Alternatively the ring may be a coating in the form of a thermally resistant paint 32 applied on the proximal portion of said body 3. The axial length of the proximal portion is between 20 and 50% of the axial length of said body 3, preferably between 30% and 40%. In the proposed construction, it is substantially equal to one third because the length of the body is 96mm and the length of the ring is 36mm.

Selon l'invention, le corps est un cylindre présentant un diamètre sensiblement identique sur toute sa longueur. Alternativement le corps d'enroulement peut présenter sur sa longueur proximale un diamètre plus petit que celui de sa longueur distale, ceci permettant de recevoir la bague dont l'épaisseur sera égale à la différence de diamètre afin de ne pas former de protubérance sur tout le corps et laisser la bague visuellement discrète.According to the invention, the body is a cylinder having a substantially identical diameter throughout its length. Alternatively the winding body may have on its proximal length a smaller diameter than that of its distal length, this to receive the ring whose thickness will be equal to the difference in diameter so as not to form a protrusion on all the body and leave the ring visually unobtrusive.

Les moyens de pincement 7 peuvent comprendre une tuile montée pivotante par rapport au corps d'enroulement et autour d'un axe Δ transversal audit corps 3. Préférentiellement la longueur de ladite tuile est sensiblement égale à celle de la partie proximale 3p du corps d'enroulement. La tuile 7 peut présenter sur sa surface interne destinée à pincer les cheveux avec le corps d'enroulement 3 des moyens secondaires de réduction de chauffe 71 des cheveux agencés en regard des moyens de réduction de chauffe 31, 32 du corps d'enroulement. Les moyens secondaires de réduction de chauffe 71 comprennent une couche de matériau thermiquement résistant, cette couche pouvant être composée essentiellement de gomme ou résine ou pouvant être une peinture thermiquement résistante. S'il s'agit de gomme ou résine, par exemple en silicone, ladite couche aura un faible coefficient de frottement par rapport au matériau de la pince et permettra aussi de mieux tenir la pointe de la mèche. Il est avantageux d'avoir le même matériau ou peinture utilisé en regard sur la pince et la partie proximale du corps d'enroulement.The clamping means 7 may comprise a tile pivotally mounted relative to the winding body and about an axis Δ transverse to said body 3. Preferably the length of said tile is substantially equal to that of the proximal portion 3p of the body of winding. The tile 7 may have on its inner surface for pinching the hair with the winding body 3 secondary means for reducing the heating 71 of the hair arranged facing the heating reduction means 31, 32 of the winding body. The secondary heating reduction means 71 comprise a layer of thermally resistant material, this layer being essentially composed of gum or resin or possibly being a thermally resistant paint. If it is gum or resin, for example silicone, said layer will have a low coefficient of friction relative to the material of the clamp and will also better hold the tip of the wick. It is advantageous to have the same material or paint used facing the clamp and the proximal portion of the winding body.

Selon une caractéristique de l'invention, les moyens d'entraînement 8 peuvent être aptes à produire une vitesse de rotation comprise entre 5 et 50 tr/min, voire entre 10 et 40 tr/min. Une valeur avantageuse de rotation est autour de 30 tr/min. Il a été constaté, lors de tests effectués en laboratoire, que cette plage de vitesses permet de réaliser la plupart des types de boucles de différents diamètres, tout en assurant une bonne mise sous tension des cheveux pendant l'enroulement. L'ensemble moteur ainsi qu'une carte électronique à microprocesseur représentant l'unité de contrôle et l'ensemble des connexions électriques sont contenus dans la poignée 2 afin de mieux équilibrer les masses au sein de l'appareil.According to one characteristic of the invention, the drive means 8 may be able to produce a rotation speed of between 5 and 50 rpm, or even between 10 and 40 rpm. An advantageous value of rotation is around 30 rpm. It has been found, in laboratory tests, that this range of speeds makes it possible to produce most types of loops of different diameters, while ensuring good tensioning of the hair during winding. The motor assembly as well as a microprocessor electronic card representing the control unit and all the electrical connections are contained in the handle 2 to better balance the masses within the device.

Selon l'invention, les moyens d'entraînement 8 peuvent comporter un moteur électrique, préférentiellement un motoréducteur. Ceci représente une solution simple et fiable en fonctionnement, s'intègre bien dans un appareil compact et léger, tout en permettant d'éviter l'utilisation d'un embrayage plus encombrant.According to the invention, the drive means 8 may comprise an electric motor, preferably a geared motor. This represents a simple and reliable solution in operation, fits well in a compact and lightweight device, while avoiding the use of a clutch more bulky.

Selon l'invention, et comme illustré en figure 1, les moyens d'actionnement 10 peuvent comprendre au moins un premier bouton de commande 10' de rotation du moteur dans le sens horaire et un deuxième bouton de commande 10" de rotation du moteur dans le sens antihoraire (ou inversement). Ces deux boutons peuvent être intégrés en un seul bouton qui sera actionné par basculement de deux côtés différents. Ces moyens de commande du sens de rotation du corps d'enroulement, permettent à l'utilisateur, en actionnant en début de fonctionnement ces moyens de commande, de choisir le sens de rotation et donc le sens d'enroulement des cheveux afin d'obtenir soit une boucle externe, soit une boucle interne.According to the invention, and as illustrated in figure 1 the actuating means 10 may comprise at least a first control knob 10 'for rotating the motor clockwise and a second control knob 10' for rotating the motor counterclockwise (or vice versa). can be integrated into a single button that will be operated by tilting two different sides.These means for controlling the direction of rotation of the winding body, allow the user, by operating at the beginning of operation these control means, to choose the direction of rotation and therefore the winding direction of the hair in order to obtain either an outer loop or an inner loop.

Selon l'invention, les moyens de pincement 7 peuvent présenter une forme de révolution (tuile) où leur rayon de courbure des moyens est supérieur ou égal à celui du corps d'enroulement 3 dans une même section transversale de l'appareil. Un rayon de la plaque chauffante égal à celui du corps d'enroulement permet à la plaque chauffante de bien épouser la périphérie du corps d'enroulement, un rayon supérieur lui permettant de s'adapter à des mèches d'épaisseur importante. La pince peut en position fermée être en contact avec le corps comme illustré en figures 1, 2 et 3, et alternativement peut laisser un petit intervalle avec le corps de l'ordre de un ou quelques millimètres car l'épaisseur de la mèche lui permettra quand même d'être pincée entre les deux pièces 3 et 7.According to the invention, the clamping means 7 may have a shape of revolution (tile) where their radius of curvature means is greater than or equal to that of the winding body 3 in the same cross section of the apparatus. A radius of the heating plate equal to that of the winding body allows the heating plate to marry well the periphery of the winding body, an upper radius allowing it to adapt to wicks of significant thickness. The clamp can in closed position be in contact with the body as illustrated in Figures 1, 2 and 3 , and alternatively may leave a small gap with the body of the order of one or a few millimeters because the thickness of the wick will still allow it to be pinched between the two parts 3 and 7.

Selon l'invention, le rayon r du corps d'enroulement peut être compris entre 5mm et 32mm, préférentiellement entre 10mm et 20mm. Une valeur avantageuse du rayon r est substantiellement égale à 12mm. Le diamètre interne de la bague sera sensiblement égal au diamètre du corps.According to the invention, the radius r of the winding body can be between 5mm and 32mm, preferably between 10mm and 20mm. An advantageous value of the radius r is substantially equal to 12mm. The inner diameter of the ring will be substantially equal to the diameter of the body.

Selon l'invention, des moyens de chauffe 4 peuvent être associés au corps d'enroulement 3. Ils peuvent être éventuellement associés à des moyens de régulation 9 de sa température. Les moyens de chauffage peuvent être au moins un des moyens suivants, seul ou en combinaison : un élément chauffé par conduction, un élément chauffant par rayonnement, par exemple un élément résistif (céramique...). L'élément chauffant est monté fixe par rapport au corps d'enroulement 3 de l'appareil et il reçoit l'énergie par des conducteurs connectés à ceux des câbles d'alimentation générale de l'appareil qui arrivent dans la poignée 2.According to the invention, heating means 4 may be associated with the winding body 3. They may optionally be associated with means 9 for controlling its temperature. The heating means may be at least one of the following means, alone or in combination: a conductive heated element, a radiation heating element, for example a resistive element (ceramic ...). The heating element is fixedly mounted with respect to the winding body 3 of the apparatus and receives the energy through conductors connected to those of the general supply cables of the apparatus which arrive in the handle 2.

L'appareil comporte des moyens de réglage de la température du corps d'enroulement 3, par exemple dans une plage comprise entre 40°C et 250°C, préférentiellement entre 140°C et 230°C, une valeur avantageuse étant autour de 200°C. Par exemple, le corps d'enroulement 3 comporte un élément chauffant électrique, de préférence du type CTP et un capteur de température associé, par exemple du type CTN (non représenté). On a mesuré à l'aide de thermocouples que par l'addition d'une bague de silicone, la température sur cette bague est inférieure d'environ 10°C à 30°C à celle du corps au même endroit sans bague en usage. La figure 6 illustre une de ces mesures de température : La mesure de la température en surface du milieu du corps d'enroulement est la courbe 1, la mesure de la température en surface de la partie proximale du corps d'enroulement selon l'invention (contenant une bague en silicone d'épaisseur constante égale à 3mm) est la courbe 2, et la mesure de température en surface de la partie proximale du corps d'enroulement selon l'art antérieur est la courbe 3. Les deux fers à boucler ont été commandés à la même température de consigne égale à 190°C et les thermocouples ont été agencés sur le même emplacement distal. Ces mesures soulignent que certains appareils à boucler de l'art antérieur, par l'agencement et/ou la nature de leur élément chauffant dans le corps d'enroulement, présentent une température en surface de la partie proximale inférieure à la température en surface au milieu du corps d'enroulement. Néanmoins il ressort de la courbe 2 que cette différence de température peut varier d'un modèle à l'autre, n'est pas quantifiable facilement, n'est pas localisable facilement et n'est pas maîtrisable. La présence des moyens de réduction de température en surface de la partie proximale permet de quantifier, maîtriser et contrôler la différence de température. Pour cela, l'homme du métier jouera sur le pouvoir d'isolation thermique des moyens de réduction de température, par exemple sur l'épaisseur de la bague silicone, et jouera sur la longueur axiale des moyens de réduction de chauffe.The apparatus comprises means for adjusting the temperature of the winding body 3, for example in a range between 40 ° C. and 250 ° C., preferably between 140 ° C. and 230 ° C., an advantageous value being around 200. ° C. For example, the winding body 3 comprises an electric heating element, preferably of the CTP type and an associated temperature sensor, for example of the CTN type (not shown). It has been measured using thermocouples that by the addition of a silicone ring, the temperature on this ring is about 10 ° C to 30 ° C lower than that of the body at the same point without a ring in use. The figure 6 illustrates one of these temperature measurements: The measurement of the surface temperature of the middle of the winding body is the curve 1, the measurement of the surface temperature of the proximal portion of the winding body according to the invention (containing a silicone ring of constant thickness equal to 3 mm) is the curve 2, and the surface temperature measurement of the proximal portion of the winding body according to the prior art is curve 3. The two curling irons have been ordered at the same set point temperature of 190 ° C and the thermocouples were arranged at the same distal location. These measurements underline that certain prior art bucklers, by the arrangement and / or the nature of their heating element in the winding body, have a surface temperature of the proximal portion lower than the surface temperature at the middle of the winding body. Nevertheless, it appears from curve 2 that this difference in temperature can vary from one model to another, is not easily quantifiable, is not easily localizable and is not controllable. The presence of the temperature reduction means at the surface of the proximal portion makes it possible to quantify, control and control the temperature difference. For this, those skilled in the art will play on the thermal insulation capacity of the temperature reduction means, for example on the thickness of the silicone ring, and will play on the axial length of the heating reduction means.

Selon l'invention, le corps d'enroulement 3 peut comprendre, à l'intérieur, un moyen de chauffe 4 monté fixe au moyen de préhension 2 et, à l'extérieur, un tube monté rotatif autour de l'axe longitudinal L. Cette solution permet d'avoir un corps d'enroulement chauffant rotatif, tout en évitant d'utiliser des contacts tournants, pour une solution plus simple et plus robuste, le corps d'enroulement pouvant ainsi mieux supporter les efforts de pression des plaques chauffantes.According to the invention, the winding body 3 may comprise, inside, a heating means 4 fixedly mounted to the gripping means 2 and, outside, a tube rotatably mounted about the longitudinal axis L. This solution makes it possible to have a rotating heating coil body, while avoiding the use of rotating contacts, for a simpler and more robust solution, the winding body thus being able to better withstand the pressure forces of the heating plates.

Selon l'invention, le corps d'enroulement 3 peut présenter une surface externe d'enroulement des cheveux à faible coefficient de frottement. Le corps peut ainsi présenter une surface substantiellement lisse. Le matériau peut être de l'aluminium peint. La surface interne de la pince 7 peut être identique à la surface externe d'enroulement. De telles surfaces polies garantissent un bon glissement des cheveux pendant l'enroulement et également pendant le démoulage de la mèche. Les surfaces peuvent être réalisées par un polissage mécanique ou par électro polissage. Un revêtement utilisé peut être du PTFE (polytétrafluoroéthylène), une peinture (non thermo protectrice), une couche céramique, un chromage, une anodisation, etc. Il en est de même pour le matériau de la pince 7.According to the invention, the winding body 3 may have an outer winding surface of the hair with a low coefficient of friction. The body can thus have a substantially smooth surface. The material may be painted aluminum. The inner surface of the clamp 7 may be identical to the outer winding surface. Such polished surfaces guarantee a good sliding of the hair during the winding and also during the demolding of the wick. Surfaces can be made by mechanical polishing or electro polishing. A coating used may be PTFE (polytetrafluoroethylene), a paint (non-thermo protective), a ceramic layer, a chrome plating, anodizing, etc. It is the same for the material of the clamp 7.

Description en fonctionnement :Description in operation:

En fonctionnement, l'utilisateur commence par mettre sous tension l'appareil qui commande alors la mise en température du corps d'enroulement 3 à la température éventuellement réglée par l'utilisateur. Un voyant lumineux peut avertir que la phase de chauffe est terminée. L'utilisateur saisit alors une mèche de cheveux et introduit la pointe de celle-ci entre le corps d'enroulement 3 et la pince 7 après avoir fait pivoter la pince via le levier 17. Une fois la pointe de la mèche fixée sur le corps d'enroulement 3, l'utilisateur actionne le bouton 10,10',10" par exemple en appuyant sur sa partie gauche et commande la mise en marche du moteur par exemple dans le sens horaire. Le corps d'enroulement 3 tourne et la mèche est enroulée jusqu'à sa racine. Lorsque la mèche est complètement enroulée, l'utilisateur arrête d'actionner le bouton. L'utilisateur attend ensuite quelques instants, le temps de la bonne mise en température de la mèche, puis il déroule manuellement la mèche et finit par pivoter la pince 7 pour libérer la pointe de la mèche. Si la mèche est longue, l'utilisateur peut choisir d'actionner le bouton 10 en appuyant sur la partie droite de celui-ci ce qui imprime un mouvement de rotation en sens contraire du moteur ce qui fait que la mèche se déroulera le long du corps d'enroulement ou mandrin 3, avant de lever la pince pour libérer l'extrémité de la mèche de cheveux.In operation, the user begins by turning on the device which then controls the temperature setting of the winding body 3 to the temperature possibly set by the user. A warning light can warn that the heating phase is over. The user then grabs a wick of hair and introduced the tip thereof between the winding body 3 and the clamp 7 after pivoting the clamp via the lever 17. Once the tip of the wick attached to the winding body 3, the The user actuates the button 10, 10 ', 10 "for example by pressing on its left part and controls the starting of the motor for example in the clockwise direction The winding body 3 rotates and the wick is wound up to its When the wick is completely wound up, the user stops pressing the button, the user then waits a few moments, during the time the wick is warmed up, then manually unrolls the wick and ends by rotating the wick. clamp 7 to release the tip of the wick If the wick is long, the user can choose to operate the button 10 by pressing on the right side thereof which prints a rotational movement in the opposite direction of the motor. which makes the wick go along u winding body or mandrel 3, before lifting the clamp to release the end of the lock of hair.

Bien entendu, l'invention n'est nullement limitée aux modes de réalisation décrits et illustrés qui n'ont été donnés qu'à titre d'exemples. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention, défini par les revendications.Of course, the invention is not limited to the described and illustrated embodiments which have been given only as examples. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of the invention, defined by the claims.

Claims (12)

  1. A hairdressing appliance (1) comprising:
    - a gripping means (2),
    - a body (3) for winding a hair lock composed of a portion (3p) proximal to the gripping means (2) and a portion (3d) distal to the gripping means (2),
    - means (7) for pinching the hair to hold the hair lock onto the winding body (3),
    - means (4) for heating the winding body (3),
    said proximal portion (3p) has on its outer surface heat reduction means (31, 32),
    said distal portion (3d) has no heat reduction means characterised in that the axial length of the proximal portion (3p) is between 20 % and 50 % of the axial length of said body (3).
  2. Hairdressing appliance according to the preceding claim, wherein the heat reduction means (31, 32) comprise a ring (31, 32) made of heat resistant insulating material around said proximal portion (3p).
  3. Hairdressing appliance according to claim 2, wherein the ring (31, 32) has a cylindrical shape of substantially constant thickness.
  4. Hairdressing appliance according to claim 2, wherein the ring (31, 32) has a cylindrical shape with cavities.
  5. Hairdressing appliance according to claims 2 to 4, wherein the ring (31, 32) is a part made from rubber or resin (31) surrounding the proximal part (3p).
  6. Hairdressing appliance according to the preceding claim, wherein the ring (31, 32) made from rubber or resin is composed mainly of silicone or elastomer or ethylene propylene diene monomer or leather or Velcro®.
  7. Hairdressing appliance according to the claim 2, wherein the ring (31, 32) is a heat-resistant paint (32) applied on the proximal portion (3p).
  8. Hairdressing appliance according to the one of the preceding claims, wherein the axial length of the proximal portion (3p) is between 30 % and 40 % of the axial length of said body (3).
  9. Hairdressing appliance according to the one of the preceding claims, wherein the pinching means (7) comprise a tile pivotable about a axis Δ transverse to the winding body (3), the length of said tile being substantially equal to that of the proximal part (3p).
  10. Hairdressing appliance according to the preceding claim, wherein the tile (7) has, on its inner surface designed to pinch the hair with the winding body (3), secondary heat reduction means (71) for the hair arranged opposite the heat reduction means (31, 32) of the winding body.
  11. Hairdressing appliance according to the preceding claim, wherein the secondary heat reduction means (71) comprise a layer of heat-resistant and insulating material, this layer being either substantially composed of rubber or resin or being composed of a heat-resistant paint.
  12. Hairdressing appliance according to one of the preceding claims, characterised in that it comprises drive means (8) for rotating the assembly formed by the winding body (3) and the pinching means (7) and in that it comprises a control unit (9) for controlling the rotation of said assembly.
EP20130152405 2012-02-01 2013-01-23 Hair-styling apparatus for curling hair Active EP2622989B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1250959A FR2986143B1 (en) 2012-02-01 2012-02-01 HAIRSTYLING APPARATUS FOR SHAPING HAIR

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EP2622989A1 EP2622989A1 (en) 2013-08-07
EP2622989B1 true EP2622989B1 (en) 2015-02-18

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ES (1) ES2536060T3 (en)
FR (1) FR2986143B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9648935B2 (en) * 2013-11-08 2017-05-16 Kiss Nail Products, Inc. Hair curling devices and related systems and methods
US10010147B2 (en) 2015-01-15 2018-07-03 Kiss Nail Products, Inc. Hair styling apparatuses and related methods
USRE48170E1 (en) 2015-01-15 2020-08-25 Kiss Nail Products, Inc. Hair styling apparatuses and related methods
US11457712B2 (en) 2015-12-28 2022-10-04 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods
US11224274B2 (en) 2015-12-28 2022-01-18 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods
FR3056085B1 (en) * 2016-09-21 2020-12-11 Seb Sa HAIRDRESSING DEVICE EQUIPPED WITH A MOBILE PROTECTIVE COVER

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477716A (en) * 1982-07-12 1984-10-16 Windmere Corporation Flocked curling iron
GB2167953A (en) * 1984-12-06 1986-06-11 Windmere Corp Hair curling implement
US4841127A (en) 1987-04-06 1989-06-20 Gte Products Corporation Dual temperature hair curler utilizing a pair of PTC heaters
US4829156A (en) * 1987-04-15 1989-05-09 Thompson Robert I Electric curling iron having a reversible motor-driven rotatable curling mandrel
WO1998007345A1 (en) * 1996-08-16 1998-02-26 Monty Lawrence P Thermochromic handheld hair curling iron
KR101145679B1 (en) * 2009-07-14 2012-05-29 이대범 The hair where the hair iron surgical operation which gets wet is possible Oh theory

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FR2986143B1 (en) 2015-11-20
FR2986143A1 (en) 2013-08-02
EP2622989A1 (en) 2013-08-07
ES2536060T3 (en) 2015-05-20

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