EP2392222A1 - Hairdressing appliance with motorised mandrel - Google Patents

Hairdressing appliance with motorised mandrel Download PDF

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Publication number
EP2392222A1
EP2392222A1 EP11305639A EP11305639A EP2392222A1 EP 2392222 A1 EP2392222 A1 EP 2392222A1 EP 11305639 A EP11305639 A EP 11305639A EP 11305639 A EP11305639 A EP 11305639A EP 2392222 A1 EP2392222 A1 EP 2392222A1
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EP
European Patent Office
Prior art keywords
rotation
hair
winding body
winding
wick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11305639A
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German (de)
French (fr)
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EP2392222B1 (en
Inventor
Eric Janin
Sylvie Hoet
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SEB SA
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SEB SA
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Publication of EP2392222A1 publication Critical patent/EP2392222A1/en
Application granted granted Critical
Publication of EP2392222B1 publication Critical patent/EP2392222B1/en
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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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • 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
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • A45D2/24—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening
    • 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
    • A45D2/12—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers
    • A45D2/24—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening
    • A45D2/2464—Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers of multi-part type, e.g. with sliding parts other than for fastening tube-like

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. In use, the mandrel is heated and the end of a lock of hair is caught between the pressure clamp and the mandrel.
  • the manual or automatic rotation (motorized for example) of the curling iron allows 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.
  • 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 to get out of the mandrel.
  • the document US 4,829,156 describes the winding of 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 a lock 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 wick to be wound up automatically on the mandrel, and this in both directions of rotation.
  • This curling iron has a limitation of effort by a mechanical device of limitation (" clutch "). If the tension exerted by the curled lock of hair is too strong then the rotation is limited.
  • the document US 7481228 describes a curling iron with motorized rotating heating chuck.
  • the end of a strand of hair is placed 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 wick to be wound up automatically.
  • the chuck in both directions of rotation.
  • This curling iron has a tongue that can insert a brush head with fixed or retractable bristles and / or a smoothing plate.
  • the document US 2010 043818 describes the device of the document US 7481228 with a motor having a current protection known in the state of the art. If the current exceeds a threshold eg standard threshold of a power outlet, or if too much current is pulled, a control circuit can intermittently turn off the motor or completely disable the device, such as a fuse.
  • a threshold eg standard threshold of a power outlet
  • the document US3890984 describes a rotating fan brush combining a hair dryer and a brush. Hot air is blown through the brush mandrel via a plurality of orifices; the mandrel being controlled in the two possible directions of rotation by means of a motor arranged inside the handle.
  • the user will allow the mandrel to rotate and drag on less than one turn the hair to " brusher ", that is to say, form a ripple in one direction of the wick of treated hair.
  • a switch on the handle makes it possible to change the direction of rotation or stop the rotation completely.
  • the device includes a overload switch (“ switch overload ”) able to stop the rotation of the brush when the hair remains entangled in it.
  • the user who places a lock of hair on the hot mandrel will then press the button to rotate the mandrel and wind the wick. As long as it presses the button, the mandrel is rotated and wraps the lock of hair.
  • the button As long as it presses the button, the mandrel is rotated and wraps the lock of hair.
  • the hot mandrel In the case of curling irons, when the user sees near the scalp the hot mandrel attached to the wick, it stops the rotation control. So the movement is stopped and the hot mandrel does not touch the scalp and does not burn it. But to complete the hair, when the user makes his own curls, especially behind the skull or near the neck, it is more difficult - if not impossible - to follow the chuck visually, to see him approaching the leather hairy to stop it in the most effective position.
  • the most effective position is the stopping position of the mandrel sufficiently close to the scalp to create a loop over the entire length of the wick and far enough to not touch and / or lean against the scalp so as to burn.
  • the lock of hair wraps poorly or too tightly around the brush core, it may entangle the hair on the bristles and trap the wick around the mandrel.
  • the devices of the state of the art do not pose and do not solve the following problem: combine efficiency and optimized security of the rotating operation of the mandrel of the device. And especially for state-of-the-art curling irons, they do not pose and do not solve the following problem: allow to create a loop on substantially the entire length of the lock of hair without risking burning the scalp. And more particularly for the rotary blower brushes, they do not pose and do not solve the following problem: allow to create a ripple on substantially the entire length of the lock of hair without risk of entangling the scalp.
  • the object of the present invention is to optimally combine, on a hairdressing apparatus having a motorized rotary mandrel, the efficiency and safety of rotational operation.
  • Another object of the invention is to provide automated security on a hairdressing apparatus having a motorized rotary chuck.
  • Another object of the invention is to optimize the combination of efficiency and automated safety of the rotational operation of the mandrel of the apparatus.
  • Another object of the present invention is to allow to create a loop by a device to loop over substantially the entire length of the lock of hair without risking burning the scalp.
  • Another object of the invention is to allow the hot mandrel never to rest against the scalp.
  • Another object of the present invention is to obviate the aforementioned drawbacks and to provide a curling apparatus for practically completely wrapping a lock of hair without reducing the efficiency of the hairdressing appliance.
  • Another object of the invention is a hairdressing apparatus capable of supplying energy necessary for the proper treatment of hair, quickly and efficiently.
  • Another object of the invention is a hair styling device capable of improving the heat transfer with a lock of hair to be treated.
  • 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, compact and can be industrialized for a low cost.
  • Another object of the invention is a hair treatment apparatus which is capable of providing heat in a secure or protective manner to the hair, without the risk of burning the hair and / or the scalp.
  • 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, means for driving the winding body in rotation about its longitudinal axis, driving means hair for driving the wick on the winding body, means for actuating the body in rotation allowing the user to choose one of the two directions of rotation, a control unit connected to the actuating means and programmed to controlling the drive means according to the selected direction, characterized in that the control unit is programmed to control the drive means in the opposite direction to the direction of rotation chosen when the control unit detects a provoking operating state stopping the rotation.
  • the invention also relates to a method of looping a lock of hair with the apparatus of the invention comprising the following steps: actuating in a direction selected from the two possible directions of rotation the winding body for winding a lock of hair, b) detecting a state of operation such that it automatically causes the rotation of the winding body to stop, c) at the detection of said state, automatically actuate the rotation in the opposite direction.
  • the hairdressing apparatus 1 according to the two modes of the invention and illustrated in figures, 2 , 6 and 7 comprises a gripping means or handle 2, a winding body 3 of a lock of hair, driving means 8 for rotating the winding body 3 about its longitudinal axis L, driving means 7 ( 7 'and 7 "according to the embodiment) of the hair for driving the wick on the winding body 3, means for actuating the body 10 in rotation allowing the user to choose one of the two directions of rotation, a control unit 9 connected to the actuating means 10 and programmed to control the drive means 8 in the selected direction, the control unit 9 is programmed to control the drive means 8 in the opposite direction of the direction of rotation chosen when the control unit 9 detects a state of operation causing the rotation to stop.
  • the drive means 7 "of the hair are pinching means for placing a wick end between the body 3 and the gripper 7.
  • the wick winding is made a few turns around the body.
  • the driving means 7 are the bristles mounted on the body 3, the bristles for driving the hair on the body.
  • the winding of wick is done on a part of the body.
  • Such a device is easy and intuitive to use, thus allows a treatment without effort, with more freedom and less attention for the user, the system being able to automatically produce a rotation of the mandrel in the opposite direction in the chosen usage sense, and this, according to a fixed or programmed angle.
  • the hot mandrel is automatically moved away from the scalp at the end of the stroke, a short length of hair Lc whose size is large enough so that the mandrel does not burn the scalp and small enough so that the loop is formed on the entire length of wick without this small lack of looping at the root is noticeable.
  • the hair around the mandrel is not entangled and the mandrel even automatically returns back to help the user to unravel.
  • the hairdressing apparatus of the invention comprises firstly a heating and motorized winding body, able to automatically wind a lock of hair from one end thereof to the hairline.
  • the end of the wick is attached to the winding body by a clamp hooking, the actuation in rotation of the winding body about its longitudinal axis to achieve the automatic winding of the wick on the outer winding surface thereof.
  • the wick can thus quickly cover the outer surface of the winding body.
  • an effective winding or attachment and by adapting the rotational speed of the motor to the dimensions of the winding body, or even to the type of hair to be treated, an effective winding is obtained for optimum tensioning.
  • the fixing 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 it does not slip.
  • the clamping means is adapted to move from an open position without contact with the outer surface 5 of the body to a closed position in contact with the outer surface 5 of the body. They can be actuated by a button 17 as illustrated in figure 2 .
  • the invention provides for an automatic return to rotation of the mandrel of small amplitude at the end of the rotation, allows an automatic unwinding of a short length of the wound wick.
  • control unit 9 can be programmed to detect an operating state causing the stopping of the rotation in at least one of the following cases: an action of the user on the actuating means 10, a torque drive means 8 greater than a threshold torque (often predetermined), a short circuit, a power failure.
  • this "backward” or “reverse” rotation of the mandrel occurs automatically when a stop is desired by the user and / or is programmed by the device which detects a problem (current threshold, threshold resistance short circuit ).
  • the action of the user can be an actuation or a button release.
  • control unit 9 can be programmed to drive the winding body rotating in the opposite direction at a return angle ⁇ of between 20 ° and 180 ° or an angle of between 25 ° and 90 °, preferably equal to about 45 °.
  • ⁇ return angle
  • the hot mandrel is automatically moved away from the scalp at the end of the stroke, at a certain angle ensuring a certain length of hair Lc whose size is large enough so that the mandrel does not burn the scalp and small enough to that the loop is formed over the entire length of wick without a lack of looping at the root can not be noticed.
  • the apparatus may comprise an adjusting knob 14 for the value of the return angle ⁇ .
  • the value of the angle ⁇ can thus be entered and fixed by the manufacturer, or alternatively can be selected and modified by the user who will choose in use the most practical value, the value being stored in the control unit. .
  • control unit 9 can be programmed to control a reverse speed greater than or equal to the speed of the selected winding direction.
  • the substantially equal speed mode is preferred because the identical return speed does not change the user's speed perception.
  • the higher speed mode enhances the safety of the device and moves away from the scalp faster than the wicking mode.
  • a lower speed mode could nevertheless be considered to give the user the impression of stopping rotation.
  • 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 drive means 8 may comprise an electric motor, preferably a geared motor.
  • the apparatus may include means for limiting the torque of the motor, these means for limiting the torque comprise a microprocessor adapted to monitor the current absorbed by the geared motor and cut off the power supply thereof if a threshold is exceeded, and preferably immediately after, to control it for a rotation in the opposite direction.
  • the means for limiting the torque of the motor make it possible to prevent excessive tension being applied to the hair, either at the end of the winding or when a problem has occurred during winding. 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 'of rotation of the motor in the clockwise direction and a second control knob 10 "of rotation of the motor counterclockwise (or vice versa), the state operating mode causing the stopping of rotation corresponding in particular to the stop of the actuation by the user of one of the two buttons.
  • These two buttons can be integrated into a single button that will be operated by tilting two different sides.
  • These control means of 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 thus the winding direction of the hair to obtain either an outer loop or an inner loop. After heating the looped loop, by changing the direction of rotation of the motor at the end of the treatment, it controls the unwinding of the previously formed loop.
  • the drive means 7 of the hair are fastening means 7 (for example gripping means) and the winding body 3 may have a shape of revolution where the radius of curvature of the fixing means 7 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 fastening means, the clamp for example, may, in the closed position, be in contact with the body, as illustrated in FIG. Figures 1 and 2 , 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 pieces 3 and 7.
  • the radius r of the winding body can be between 5mm and 25mm, preferably between 10mm and 20mm.
  • An advantageous value of the radius r is substantially equal to 12mm or substantially equal to 16mm.
  • heating means 4 may be associated with the winding body 3. They may optionally be associated with regulation means 9, 11 of its temperature.
  • the heating means may be at least one of the following means, alone or in combination: a conductive heated element, a radiant heating element, for example a resistive element (ceramic, etc.), a heated hot air heating element ( as illustrated in figure 6 ) a heating element by vaporization of water vapor via orifices of the winding body ...
  • the inner surface of the clamp has a length comparable to that of the outer surface of the winding body (or even at least half of it) in order to be able to treat long strands of hair uniformly.
  • the determining factors for a well-formed and durable winding are: the good winding tension, the quality of the energy transfer, which depends mainly on the quality of the winding. contact of the wick with the heating element, and also the energy transmitted to the hair.
  • 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 includes means for adjusting the body temperature winding 3, for example in a range between 40 ° C and 250 ° C, preferably between 140 ° C and 230 ° C, an advantageous value being approximately equal to 220 ° C.
  • 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).
  • 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 can be mounted interchangeably with at least one secondary winding body (not shown) of different diameter. This allows the user to change the diameter of the loop with a single hair styling device.
  • the winding body 3 may have an outer surface 5 for winding hair with a low coefficient of friction.
  • the body can thus have a substantially smooth surface.
  • the material may be painted aluminum.
  • This outer surface 5 may extend completely or partially over the entire length of the winding body 3.
  • the inner surface of the clip may be alternately or additionally identical to the outer surface 5 of winding.
  • Such polished surfaces guarantee a good sliding of the hair during the winding and also during the demolding of the wick.
  • the surfaces can be made by mechanical polishing or electropolishing.
  • the coating used may be PTFE (polytetrafluoroethylene), a paint, a ceramic layer, a chromium plating, anodizing, etc.
  • control unit 9 may have in memory a fixed length of hair Lc to unroll in the opposite direction, be able to receive the value relative to the radius r of the winding body 3 used -or similar to its diameter D- and be programmed to calculate and control the value of the angle of return ⁇ at least according to the length Lc and the radius r.
  • the apparatus may comprise means 13 for adjusting the temperature T of the winding body and the control unit 9 may be able to store in memory a value of length of hair Lc to unwind in the opposite direction , and be adapted to receive the set value of the temperature T.
  • the function f is advantageously an increasing function of the temperature, for example a linear function, a power function (squared for example), an exponential function ...
  • the length of hair Lc increases with the temperature according to this function, to increase the security aspect.
  • the temperature taken into account may be the temperature measured by an alternating temperature detector at the predetermined temperature.
  • the motor assembly and 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 7 of the hair for driving the wick on the winding body 3 are pinch means 7 'of the wick.
  • the wick is driven in initial rotation over several turns by the curling iron or curling.
  • the means 7 for driving the hair to drive the wick on the winding body 3 are bristles or pins 7 "placed on the winding body to form a brush. Options are provided to pass hot air blown.
  • the bristles or spikes can be plastic, synthetic hair, natural ...
  • the method of looping a lock of hair with the apparatus comprises the following steps: a) operating in a direction selected from the two possible directions of rotation the winding body 3 to wind a lock of hair therein , b) detecting a state of operation such that it causes the rotation of the winding body to stop, c) detecting the said state, actuating the rotation in the opposite direction.
  • the control of step c) can be done immediately at the rotational stop detected.
  • the apparatus according to the invention allows the automation of steps b and c.
  • the detection of the operating state causing the stopping of the rotation is effective in at least one of the following cases: an action (actuation or release) of the user on the actuating means 10, a pair of drive means 8 greater than a threshold torque, a short circuit, a power failure.
  • the first mode in figure 6 is shown with its drive motor 8 in the brush but can be placed in the handle of the device.
  • the ambient air enters the rear of the handle and rises through the handle 2 and the winding body 3 to be heated before escaping via the orifices arranged on the mandrel, according to the arrows illustrated.
  • control unit 9 is arranged in the handle: it receives all the information on the state of malfunction of the apparatus and of actuating the rotation of the winding body, and is programmed to act directly on the motor 8 which by a transmission mechanism, will drive the chuck in the programmed direction.
  • the user begins by turning on the device which then controls the temperature 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 grasps a strand of hair and introduces the tip thereof between the winding body 3 and the gripper 7.
  • the user activates the 10.10 'button, 10 "for example by pressing on its left side 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 root.
  • the control means of the device automatically stop the power supply of the motor and control the return in the anti-clockwise direction according to the angle ⁇ , thereby detaching the body from The user then waits a few moments, the time of good warming of the wick, then it actuates the button 10 by pressing on the right part thereof, which prints a rotational movement in direction. opposite of the engine what the wick will run along the winding body or mandrel 3.

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  • Hair Curling (AREA)

Abstract

The apparatus (1) has a winding body (3) for winding a hair strand. A winding body drive unit e.g. gear motor, rotatably drives the body around its longitudinal axis. A hair drive unit (7') i.e. grip, drives the strand on the body. An actuating unit (10) i.e. control button, rotatably actuates the body to allow a user to choose one rotation direction among two rotation directions. A control unit i.e. CPU, is programmed for controlling the body drive unit in reverse direction of the chosen direction when the control unit detects an operating state to cause the stopping of rotation of the body. An independent claim is also included for a method for curling a hair strand.

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 manuelle ou automatique (motorisée par exemple) du fer à friser permet 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. 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 afin de la sortir du mandrin.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 manual or automatic rotation (motorized for example) of the curling iron allows 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. 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 to get out of the mandrel.

Le document US 4 829 156 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. Ce fer à friser comporte une limitation d'effort par un dispositif mécanique de limitation (« clutch »). Si la tension exercée par la mèche de cheveux enroulée est trop forte alors la rotation est limitée.The document US 4,829,156 describes the winding of 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 a lock 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 wick to be wound up automatically on the mandrel, and this in both directions of rotation. This curling iron has a limitation of effort by a mechanical device of limitation (" clutch "). If the tension exerted by the curled lock of hair is too strong then the rotation is limited.

Le document US 7481228 décrit un fer à boucler avec mandrin chauffant rotatif motorisé. En fonctionnement, l'extrémité d'une mèche de cheveux est placée 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. Ce fer à friser comporte une languette qui peut insérer une tête de brosse avec des soies fixes ou rétractables et/ou une plaque de lissage.The document US 7481228 describes a curling iron with motorized rotating heating chuck. In operation, the end of a strand of hair is placed 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 wick to be wound up automatically. the chuck, in both directions of rotation. This curling iron has a tongue that can insert a brush head with fixed or retractable bristles and / or a smoothing plate.

Le document US 2010 043818 décrit le dispositif du document US 7481228 avec un moteur ayant une protection de courant connue dans l'état de l'art. Si le courant dépasse un seuil par exemple seuil standard d'une prise de courant, ou si trop de courant est tiré, un circuit de commande peut de façon intermittente éteindre le moteur ou désactiver complètement l'appareil, tel un fusible.The document US 2010 043818 describes the device of the document US 7481228 with a motor having a current protection known in the state of the art. If the current exceeds a threshold eg standard threshold of a power outlet, or if too much current is pulled, a control circuit can intermittently turn off the motor or completely disable the device, such as a fuse.

Enfin, dans une catégorie similaire au fer à boucler mais couvrant également le domaine de l'invention, le document US3890984 décrit une brosse rotative soufflante combinant un sèche-cheveux et une brosse. De l'air chaud est soufflé au travers du mandrin de la brosse via une pluralité d'orifices ; le mandrin étant commandé dans les deux sens possibles de rotation grâce à un moteur agencé à l'intérieur de la poignée. Pour cet appareil, l'utilisateur va permettre au mandrin de tourner et d'entraîner sur moins d'un tour les cheveux afin de les « brusher », c'est-à-dire former une ondulation dans un seul sens de la mèche de cheveux traitée. Un interrupteur sur la poignée permet de changer le sens de rotation ou d'arrêter complètement la rotation. L'appareil inclut un interrupteur de surcharge (« switch overload) » apte à arrêter la rotation de la brosse quand les cheveux restent emmêlés dedans.Finally, in a category similar to curling iron but also covering the field of the invention, the document US3890984 describes a rotating fan brush combining a hair dryer and a brush. Hot air is blown through the brush mandrel via a plurality of orifices; the mandrel being controlled in the two possible directions of rotation by means of a motor arranged inside the handle. For this device, the user will allow the mandrel to rotate and drag on less than one turn the hair to " brusher ", that is to say, form a ripple in one direction of the wick of treated hair. A switch on the handle makes it possible to change the direction of rotation or stop the rotation completely. The device includes a overload switch (" switch overload ") able to stop the rotation of the brush when the hair remains entangled in it.

Tous ces dispositifs de coiffure décrits présentent des mandrins rotatifs chauffants motorisés. Certains présentent un moteur d'entraînement du mandrin équipé d'une protection en courant connue de l'art sur le moteur. Cependant aucun de ces documents ne pose le problème du bon compromis entre l'efficacité de l'appareil et la sécurité pour ne pas brûler le cuir chevelu de l'utilisateur.All these hairstyling devices described have motorized heated rotary chucks. Some have a chuck drive motor equipped with current protection known in the art on the motor. However none of these documents pose the problem of the good compromise between the efficiency of the device and the safety not to burn the scalp of the user.

En effet, l'utilisateur qui place une mèche de cheveux sur le mandrin chaud va ensuite appuyer sur le bouton pour faire tourner le mandrin et enrouler la mèche. Tant qu'il appuie sur le bouton, le mandrin est entraîné en rotation et enroule la mèche de cheveux.
Dans le cas des fers à boucler, lorsque l'utilisateur voit arriver près du cuir chevelu le mandrin chaud attaché à la mèche, il arrête la commande de rotation. Ainsi le mouvement est arrêté et le mandrin chaud ne touche pas le cuir chevelu et ne le brûle pas. Mais pour boucler toute la chevelure, lorsque l'utilisateur fait lui-même ses boucles, notamment derrière le crâne ou près de la nuque, il est plus difficile -voire impossible- de suivre visuellement le mandrin, de le voir s'approcher du cuir chevelu pour l'arrêter en position la plus efficace. On appelle position la plus efficace la position d'arrêt du mandrin suffisamment proche du cuir chevelu pour créer une boucle sur toute la longueur de la mèche et suffisamment éloignée pour ne pas toucher et/ou s'appuyer contre le cuir chevelu de sorte à le brûler.
Dans le cas des brosses soufflantes rotatives, si la mèche de cheveux s'enroule mal ou trop autour du mandrin de la brosse, elle risque d'emmêler les cheveux sur les soies et de coincer la mèche autour du mandrin.Indeed, the user who places a lock of hair on the hot mandrel will then press the button to rotate the mandrel and wind the wick. As long as it presses the button, the mandrel is rotated and wraps the lock of hair.
In the case of curling irons, when the user sees near the scalp the hot mandrel attached to the wick, it stops the rotation control. So the movement is stopped and the hot mandrel does not touch the scalp and does not burn it. But to complete the hair, when the user makes his own curls, especially behind the skull or near the neck, it is more difficult - if not impossible - to follow the chuck visually, to see him approaching the leather hairy to stop it in the most effective position. The most effective position is the stopping position of the mandrel sufficiently close to the scalp to create a loop over the entire length of the wick and far enough to not touch and / or lean against the scalp so as to burn.
In the case of rotating blower brushes, if the lock of hair wraps poorly or too tightly around the brush core, it may entangle the hair on the bristles and trap the wick around the mandrel.

Ainsi les appareils de l'état de la technique ne posent et ne résolvent pas le problème suivant : combiner efficacité et sécurité optimisées du fonctionnement en rotation du mandrin de l'appareil.
Et plus particulièrement pour les fers à boucler de l'état de l'art, ils ne posent et ne résolvent pas le problème suivant : permettre de créer une boucle sur substantiellement toute la longueur de la mèche de cheveux sans risquer de brûler le cuir chevelu.
Et plus particulièrement pour les brosses rotatives soufflantes, elles ne posent et ne résolvent pas le problème suivant : permettre de créer une ondulation sur substantiellement toute la longueur de la mèche de cheveux sans risquer d'emmêler le cuir chevelu.Thus the devices of the state of the art do not pose and do not solve the following problem: combine efficiency and optimized security of the rotating operation of the mandrel of the device.
And especially for state-of-the-art curling irons, they do not pose and do not solve the following problem: allow to create a loop on substantially the entire length of the lock of hair without risking burning the scalp.
And more particularly for the rotary blower brushes, they do not pose and do not solve the following problem: allow to create a ripple on substantially the entire length of the lock of hair without risk of entangling the scalp.

Exposé de l'invention:Presentation of the invention

Le but de la présente invention vise à combiner de façon optimisée, sur un appareil à coiffure ayant un mandrin rotatif motorisé, l'efficacité et la sécurité du fonctionnement en rotation.The object of the present invention is to optimally combine, on a hairdressing apparatus having a motorized rotary mandrel, the efficiency and safety of rotational operation.

Un autre but de l'invention est de fournir une sécurité automatisée sur un appareil à coiffure ayant un mandrin rotatif motorisé.Another object of the invention is to provide automated security on a hairdressing apparatus having a motorized rotary chuck.

Un autre but de l'invention est d'optimiser la combinaison efficacité et sécurité automatisée du fonctionnement en rotation du mandrin de l'appareil.Another object of the invention is to optimize the combination of efficiency and automated safety of the rotational operation of the mandrel of the apparatus.

Un autre but de la présente invention vise à permettre de créer une boucle par un appareil à boucler sur substantiellement toute la longueur de la mèche de cheveux sans risquer de brûler le cuir chevelu.Another object of the present invention is to allow to create a loop by a device to loop over substantially the entire length of the lock of hair without risking burning the scalp.

Un autre but de l'invention est de permettre au mandrin chaud de ne jamais rester appuyé contre le cuir chevelu.Another object of the invention is to allow the hot mandrel never to rest against the scalp.

Un autre but de la présente invention est d'obvier les inconvénients précités et de proposer un appareil à boucler permettant d'enrouler pratiquement complètement une mèche de cheveux sans réduire l'efficacité de l'appareil de coiffure.Another object of the present invention is to obviate the aforementioned drawbacks and to provide a curling apparatus for practically completely wrapping a lock of hair without reducing the efficiency of the hairdressing appliance.

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 et efficace.Another object of the invention is a hairdressing apparatus capable of supplying energy necessary for the proper treatment of hair, quickly and efficiently.

Un autre but de l'invention est un appareil de coiffure apte à améliorer le transfert thermique avec une mèche de cheveux à traiter.Another object of the invention is a hair styling device capable of improving the heat transfer with a lock of hair to be treated.

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, compacte et pouvant être industrialisé pour un faible coût.Another object of the invention is a hairdressing appliance of simplified structure, compact and can be industrialized for a low cost.

Un autre but de l'invention est un appareil de traitement des cheveux qui soit apte à fournir la chaleur de manière sécurisée ou protectrice à la chevelure, sans risquer de brûler les cheveux et/ou le cuir chevelu.Another object of the invention is a hair treatment apparatus which is capable of providing heat in a secure or protective manner to the hair, without the risk of burning the hair and / or the scalp.

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 comportant un moyen de préhension, un corps d'enroulement d'une mèche de cheveux, des moyens d'entraînement en rotation du corps d'enroulement autour de son axe longitudinal, des moyens d'entraînement des cheveux pour entraîner la mèche sur le corps d'enroulement, des moyens d'actionnement du corps en rotation permettant à l'utilisateur de choisir un parmi les deux sens de rotation, une unité de contrôle reliée aux moyens d'actionnement et programmée pour commander les moyens d'entraînement selon le sens choisi, caractérisé en ce que l'unité de contrôle est programmée pour commander les moyens d'entraînement dans le sens inverse du sens de rotation choisi quand l'unité de contrôle détecte un état de fonctionnement provoquant l'arrêt de la rotation.These objects are achieved with a hairdressing apparatus comprising a gripping means, a winding body of a lock of hair, means for driving the winding body in rotation about its longitudinal axis, driving means hair for driving the wick on the winding body, means for actuating the body in rotation allowing the user to choose one of the two directions of rotation, a control unit connected to the actuating means and programmed to controlling the drive means according to the selected direction, characterized in that the control unit is programmed to control the drive means in the opposite direction to the direction of rotation chosen when the control unit detects a provoking operating state stopping the rotation.

L'invention concerne également un procédé de bouclage d'une mèche de cheveux avec l'appareil de l'invention comportant les étapes suivantes: a) actionner dans un sens choisi parmi les deux sens possibles de rotation le corps d'enroulement pour y enrouler une mèche de cheveux, b) détecter un état de fonctionnement tel qu'il provoque automatiquement l'arrêt de la rotation du corps d'enroulement, c) à la détection dudit état, actionner automatiquement la rotation selon le sens inverse.The invention also relates to a method of looping a lock of hair with the apparatus of the invention comprising the following steps: actuating in a direction selected from the two possible directions of rotation the winding body for winding a lock of hair, b) detecting a state of operation such that it automatically causes the rotation of the winding body to stop, c) at the detection of said state, automatically actuate the rotation in the opposite direction.

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 :

  • Les figures 1 et respectivement 2 illustrent une vue avant en perspective et respectivement une vue de côté de l'appareil selon un premier mode de l'invention ;
  • La figure 3 illustre une vue avant en perspective de l'appareil selon un deuxième mode de l'invention
  • Les figures 4 et respectivement 5 illustrent un schéma de commande simplifiée et respectivement perfectionnée de l'appareil selon l'invention;
  • Les figures 6 et 7 illustrent une vue en coupe des premier et deuxième modes de réalisation de l'invention.
The invention will be better understood by studying the embodiments taken as non-limiting and illustrated here:
  • The figures 1 and respectively 2 illustrate a perspective front view and respectively a side view of the apparatus according to a first embodiment of the invention;
  • The figure 3 illustrates a perspective front view of the apparatus according to a second embodiment of the invention
  • The figures 4 and respectively 5 illustrate a simplified and respectively improved control scheme of the apparatus according to the invention;
  • The Figures 6 and 7 illustrate a sectional view of the first and second embodiments of the invention.

Exposé détaillé de l'invention :Detailed description of the invention:

L'appareil de coiffure 1 selon les deux modes de l'invention et illustrés en figures , 2, 6 et 7 comporte un moyen de préhension ou poignée 2, un corps d'enroulement 3 d'une mèche de cheveux, des moyens d'entraînement 8 en rotation du corps d'enroulement 3 autour de son axe longitudinal L, des moyens d'entraînement 7 (représentés par 7' et 7" selon le mode de réalisation) des cheveux pour entraîner la mèche sur le corps d'enroulement 3, des moyens d'actionnement 10 du corps en rotation permettant à l'utilisateur de choisir un parmi les deux sens de rotation, une unité de contrôle 9 reliée aux moyens d'actionnement 10 et programmée pour commander les moyens d'entraînement 8 selon le sens choisi, l'unité de contrôle 9 est programmée pour commander les moyens d'entraînement 8 dans le sens inverse du sens de rotation choisi quand l'unité de contrôle 9 détecte un état de fonctionnement provoquant l'arrêt de la rotation.The hairdressing apparatus 1 according to the two modes of the invention and illustrated in figures, 2 , 6 and 7 comprises a gripping means or handle 2, a winding body 3 of a lock of hair, driving means 8 for rotating the winding body 3 about its longitudinal axis L, driving means 7 ( 7 'and 7 "according to the embodiment) of the hair for driving the wick on the winding body 3, means for actuating the body 10 in rotation allowing the user to choose one of the two directions of rotation, a control unit 9 connected to the actuating means 10 and programmed to control the drive means 8 in the selected direction, the control unit 9 is programmed to control the drive means 8 in the opposite direction of the direction of rotation chosen when the control unit 9 detects a state of operation causing the rotation to stop.

Dans le premier mode, qui concerne un fer à boucler ou fer à friser et est illustré en figures 1 et 2, les moyens d'entraînement 7" des cheveux sont des moyens de pincement pour placer une extrémité de mèche entre le corps 3 et la pince 7'. L'enroulement de mèche se fait sur quelques tours autour du corps.In the first mode, which concerns a curling iron or curling iron and is illustrated in Figures 1 and 2 the drive means 7 "of the hair are pinching means for placing a wick end between the body 3 and the gripper 7. The wick winding is made a few turns around the body.

Dans le deuxième mode, qui concerne une brosse soufflante rotative illustrée en figure 3, les moyens d'entraînement 7 sont les soies montées sur le corps 3, les soies permettant d'entraîner les cheveux sur le corps. L'enroulement de mèche se fait sur une partie du corps.In the second mode, which relates to a rotary blower brush illustrated in figure 3 , the driving means 7 are the bristles mounted on the body 3, the bristles for driving the hair on the body. The winding of wick is done on a part of the body.

Un tel appareil est d'une utilisation facile et intuitive, permet donc d'effectuer un traitement sans effort, avec plus de liberté et moins d'attention pour l'utilisateur, le système étant capable de produire automatiquement une rotation du mandrin en sens inversé au sens d'usage choisi, et ce, selon un angle fixé ou programmé. De cette façon, le mandrin chaud est éloigné automatiquement du cuir chevelu en fin de course, d'une petite longueur de cheveux Lc dont la taille est suffisamment grande pour que le mandrin ne brûle pas le cuir chevelu et suffisamment petite pour que la boucle soit formée sur toute la longueur de mèche sans que ce petit manque de bouclage au niveau de la racine ne se remarque. De cette façon également, les cheveux autour du mandrin ne sont pas emmêlés et le mandrin revient même automatiquement en arrière pour aider l'utilisateur à démêler.
Dans tous les modes, à la détection d'un état de fonctionnement provoquant l'arrêt de rotation, il peut être prévu grâce à un minuteur de commander un petit intervalle temporel (entre 0,1 et 1s) entre l'arrêt de rotation et le démarrage de la rotation dans le sens inverse, permettant ainsi d'éviter tout pic de courant, tout arrêt intempestif.Such a device is easy and intuitive to use, thus allows a treatment without effort, with more freedom and less attention for the user, the system being able to automatically produce a rotation of the mandrel in the opposite direction in the chosen usage sense, and this, according to a fixed or programmed angle. In this way, the hot mandrel is automatically moved away from the scalp at the end of the stroke, a short length of hair Lc whose size is large enough so that the mandrel does not burn the scalp and small enough so that the loop is formed on the entire length of wick without this small lack of looping at the root is noticeable. In this way also, the hair around the mandrel is not entangled and the mandrel even automatically returns back to help the user to unravel.
In all modes, upon detection of an operating state causing rotation stoppage, it can be provided by a timer to control a small time interval (between 0.1 and 1s) between the stop rotation and the start of the rotation in the opposite direction, thus avoiding any current spike, any untimely stop.

L'appareil de coiffure de l'invention comporte d'abord un corps d'enroulement chauffant et 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 automatique de la mèche sur la surface externe d'enroulement de celui-ci. Ainsi, un tel enroulement automatique permet déjà de réduire le temps d'enroulement et rendre l'opération facile pour l'utilisatrice, la mèche pouvant ainsi rapidement recouvrir la surface externe du corps d'enroulement. De surcroît, en utilisant un moyen d'accroche ou de fixation efficace et en adaptant 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 5 du corps à une position de fermeture en contact avec la surface externe 5 du corps. Ils peuvent être actionnés par un bouton 17 comme illustré en figure 2. L'invention prévoit un retour en rotation automatique du mandrin de faible ampleur à l'arrêt de la rotation, permet un déroulement automatique d'une faible longueur de la mèche enroulée.The hairdressing apparatus of the invention comprises firstly a heating and motorized winding body, able to automatically wind a lock of hair from one end thereof to the hairline. The end of the wick is attached to the winding body by a clamp hooking, the actuation in rotation of the winding body about its longitudinal axis to achieve the automatic winding of the wick on the outer winding surface thereof. Thus, such automatic winding already reduces the winding time and make the operation easy for the user, the wick can thus quickly cover the outer surface of the winding body. Moreover, by using an effective means of attachment or attachment and by adapting the rotational speed of the motor to the dimensions of the winding body, or even to the type of hair to be treated, an effective winding is obtained for optimum tensioning. and uniform of the wick rolled up. The fixing 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 it does not slip. The clamping means is adapted to move from an open position without contact with the outer surface 5 of the body to a closed position in contact with the outer surface 5 of the body. They can be actuated by a button 17 as illustrated in figure 2 . The invention provides for an automatic return to rotation of the mandrel of small amplitude at the end of the rotation, allows an automatic unwinding of a short length of the wound wick.

Selon l'invention, l'unité de contrôle 9 peut être programmée pour détecter un état de fonctionnement provoquant l'arrêt de la rotation dans au moins un des cas suivants : une action de l'utilisateur sur les moyens d'actionnement 10, un couple des moyens d'entraînement 8 supérieur à un couple seuil (souvent prédéterminé), un court-circuit, une panne d'alimentation.According to the invention, the control unit 9 can be programmed to detect an operating state causing the stopping of the rotation in at least one of the following cases: an action of the user on the actuating means 10, a torque drive means 8 greater than a threshold torque (often predetermined), a short circuit, a power failure.

Dans tous les cas listés, ce retour en rotation « arrière » ou « inversée » du mandrin s'effectue automatiquement lorsqu'un arrêt est souhaité par l'utilisateur et/ou est programmé par l'appareil qui détecte un problème (seuil courant, seuil résistance court-circuit...). L'action de l'utilisateur peut être un actionnement ou un relâchement de bouton.In all the cases listed, this "backward" or "reverse" rotation of the mandrel occurs automatically when a stop is desired by the user and / or is programmed by the device which detects a problem (current threshold, threshold resistance short circuit ...). The action of the user can be an actuation or a button release.

Selon l'invention, l'unité de contrôle 9 peut être programmée pour entraîner le corps d'enroulement en rotation dans le sens inverse selon un angle de retour α compris entre 20° et 180° voire un angle compris entre 25° et 90°, préférentiellement égal à environ 45°. De cette façon, le mandrin chaud est éloigné automatiquement du cuir chevelu en fin de course, d'un certain angle assurant une certaine longueur de cheveux Lc dont la taille est suffisamment grande pour que le mandrin ne brûle pas le cuir chevelu et suffisamment petite pour que la boucle soit formée sur toute la longueur de mèche sans qu'un manque de bouclage au niveau de la racine ne puisse se remarquer.According to the invention, the control unit 9 can be programmed to drive the winding body rotating in the opposite direction at a return angle α of between 20 ° and 180 ° or an angle of between 25 ° and 90 °, preferably equal to about 45 °. In this way, the hot mandrel is automatically moved away from the scalp at the end of the stroke, at a certain angle ensuring a certain length of hair Lc whose size is large enough so that the mandrel does not burn the scalp and small enough to that the loop is formed over the entire length of wick without a lack of looping at the root can not be noticed.

Selon l'invention, l'appareil peut comprendre un bouton de réglage 14 de la valeur de l'angle de retour α. La valeur de l'angle α peut ainsi être entrée et fixée par le fabricant, ou peut être alternativement choisie et modifiée par l'utilisateur qui choisira à l'usage la valeur la plus pratique, la valeur étant mémorisée dans l'unité de contrôle.According to the invention, the apparatus may comprise an adjusting knob 14 for the value of the return angle α. The value of the angle α can thus be entered and fixed by the manufacturer, or alternatively can be selected and modified by the user who will choose in use the most practical value, the value being stored in the control unit. .

Selon l'invention, l'unité de contrôle 9 peut être programmée pour commander une vitesse en sens inverse supérieure ou égale à la vitesse du sens d'enroulement choisi. Le mode de vitesse substantiellement égale est préféré car la vitesse de retour identique ne change pas la perception de vitesse de l'utilisateur. Le mode de vitesse supérieure renforce le caractère sécuritaire de l'appareil et s'éloigne plus vite du cuir chevelu qu'en mode d'enroulement de mèche. Un mode de vitesse inférieure pourrait néanmoins être envisagé pour donner l'impression d'arrêt en rotation à l'utilisateur.According to the invention, the control unit 9 can be programmed to control a reverse speed greater than or equal to the speed of the selected winding direction. The substantially equal speed mode is preferred because the identical return speed does not change the user's speed perception. The higher speed mode enhances the safety of the device and moves away from the scalp faster than the wicking mode. A lower speed mode could nevertheless be considered to give the user the impression of stopping rotation.

Selon 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.According to 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.

Selon l'invention, les moyens d'entraînement 8 peuvent comporter un moteur électrique, préférentiellement un motoréducteur. L'appareil peut comprendre des moyens pour limiter le couple du moteur, ces moyens pour limiter le couple comprennent un microprocesseur apte à suivre le courant absorbé par le motoréducteur et à couper l'alimentation électrique de celui-ci si un seuil limite est dépassé, et, préférentiellement immédiatement après, à commander celui-ci pour une rotation en sens inverse. Les moyens pour limiter le couple du moteur permettent d'éviter qu'une trop forte tension soit appliquée aux cheveux, soit à la fin de l'enroulement, soit lorsqu'un problème est arrivé pendant l'enroulement. 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. The apparatus may include means for limiting the torque of the motor, these means for limiting the torque comprise a microprocessor adapted to monitor the current absorbed by the geared motor and cut off the power supply thereof if a threshold is exceeded, and preferably immediately after, to control it for a rotation in the opposite direction. The means for limiting the torque of the motor make it possible to prevent excessive tension being applied to the hair, either at the end of the winding or when a problem has occurred during winding. 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), l'état de fonctionnement provoquant l'arrêt de la rotation correspondant notamment à l'arrêt de l'actionnement par l'utilisateur d'un des deux boutons. 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. Après chauffe de la mèche bouclée, en changeant le sens de rotation du moteur à la fin du traitement, on commande le déroulement de la boucle précédemment formée.According to the invention, and as illustrated in figure 1 , the actuating means 10 may comprise at least a first control knob 10 'of rotation of the motor in the clockwise direction and a second control knob 10 "of rotation of the motor counterclockwise (or vice versa), the state operating mode causing the stopping of rotation corresponding in particular to the stop of the actuation by the user of one of the two buttons.These two buttons can be integrated into a single button that will be operated by tilting two different sides.
These control means of 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 thus the winding direction of the hair to obtain either an outer loop or an inner loop. After heating the looped loop, by changing the direction of rotation of the motor at the end of the treatment, it controls the unwinding of the previously formed loop.

Selon l'invention, les moyens d'entraînement 7 des cheveux sont des moyens de fixation 7 (par exemple des moyens de pincement) et le corps d'enroulement 3 peut présenter une forme de révolution où le rayon de courbure des moyens de fixation 7 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. Les moyens de fixation, la pince par exemple, peuvent, en position fermée être en contact avec le corps, comme illustré en figures 1 et 2, et alternativement peuvent 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 drive means 7 of the hair are fastening means 7 (for example gripping means) and the winding body 3 may have a shape of revolution where the radius of curvature of the fixing means 7 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 fastening means, the clamp for example, may, in the closed position, be in contact with the body, as illustrated in FIG. Figures 1 and 2 , 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 pieces 3 and 7.

Selon l'invention, le rayon r du corps d'enroulement peut être compris entre 5mm et 25mm, préférentiellement entre 10mm et 20mm. Une valeur avantageuse du rayon r est substantiellement égale à 12mm ou substantiellement égale à 16mm.According to the invention, the radius r of the winding body can be between 5mm and 25mm, preferably between 10mm and 20mm. An advantageous value of the radius r is substantially equal to 12mm or substantially equal to 16mm.

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, 11 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...), un élément chauffant par air chaud soufflé (comme illustré en figure 6) un élément chauffant par vaporisation de vapeur d'eau via des orifices du corps d'enroulement ...
De préférence, la surface interne de la pince a une longueur comparable à celle de la surface externe du corps d'enroulement (voire, au moins égale à la moitié de celle-ci) afin de pouvoir traiter uniformément des mèches longues de cheveux. En effet il a été constaté, lors des tests effectués en laboratoire, que les facteurs déterminants pour obtenir un enroulement bien formé et durable sont : la bonne tension d'enroulement, la qualité du transfert d'énergie, qui dépend essentiellement de la qualité du contact de la mèche avec l'élément chauffant, et également l'énergie transmise aux cheveux.According to the invention, heating means 4 may be associated with the winding body 3. They may optionally be associated with regulation means 9, 11 of its temperature. The heating means may be at least one of the following means, alone or in combination: a conductive heated element, a radiant heating element, for example a resistive element (ceramic, etc.), a heated hot air heating element ( as illustrated in figure 6 ) a heating element by vaporization of water vapor via orifices of the winding body ...
Preferably, the inner surface of the clamp has a length comparable to that of the outer surface of the winding body (or even at least half of it) in order to be able to treat long strands of hair uniformly. Indeed, it has been found during laboratory tests that the determining factors for a well-formed and durable winding are: the good winding tension, the quality of the energy transfer, which depends mainly on the quality of the winding. contact of the wick with the heating element, and also the energy transmitted to the hair.

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.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 à peu près égale à 220°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).The apparatus includes means for adjusting the body temperature winding 3, for example in a range between 40 ° C and 250 ° C, preferably between 140 ° C and 230 ° C, an advantageous value being approximately equal to 220 ° 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).

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 être monté interchangeable avec au moins un corps d'enroulement secondaire (non illustré) de diamètre différent. Ceci permet à l'utilisateur de modifier le diamètre de la boucle avec un seul appareil de coiffure.According to the invention, the winding body 3 can be mounted interchangeably with at least one secondary winding body (not shown) of different diameter. This allows the user to change the diameter of the loop with a single hair styling device.

Selon l'invention, le corps d'enroulement 3 peut présenter une surface externe 5 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. Cette surface externe 5 peut s'étendre totalement ou partiellement sur toute la longueur du corps d'enroulement 3. Quand des moyens de fixation 7 sont des moyens de pincement, la surface interne de la pince peut être alternativement ou additionnellement identique à la surface externe 5 d'enroulement.According to the invention, the winding body 3 may have an outer surface 5 for winding hair with a low coefficient of friction. The body can thus have a substantially smooth surface. The material may be painted aluminum. This outer surface 5 may extend completely or partially over the entire length of the winding body 3. When fixing means 7 are pinching means, the inner surface of the clip may be alternately or additionally identical to the outer surface 5 of winding.

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 électropolissage. Le revêtement utilisé peut être du PTFE (polytétrafluoroéthylène), une peinture, une couche céramique, un chromage, une anodisation, etc.Such polished surfaces guarantee a good sliding of the hair during the winding and also during the demolding of the wick. The surfaces can be made by mechanical polishing or electropolishing. The coating used may be PTFE (polytetrafluoroethylene), a paint, a ceramic layer, a chromium plating, anodizing, etc.

Selon l'invention, l'unité de contrôle 9 peut comporter en mémoire une valeur fixée de longueur de cheveux Lc à dérouler dans le sens inverse, être capable de recevoir la valeur relative au rayon r du corps d'enroulement 3 utilisé -ou de façon similaire à son diamètre D- et être programmée pour calculer et pour commander la valeur de l'angle de retour α au moins en fonction de la longueur Lc et du rayon r.
Ainsi, le calcul de l'angle en degrés sera comme suit: α = f (r, Lc) et par exemple comme suit : α = Lc * 180°/ (2*π*r) où α sera choisi en fonction initialement de la longueur de cheveux à dérouler pour la sécurité et pourra s'adapter à tout rayon du corps d'enroulement 3 adapté sur l'appareil 1.According to the invention, the control unit 9 may have in memory a fixed length of hair Lc to unroll in the opposite direction, be able to receive the value relative to the radius r of the winding body 3 used -or similar to its diameter D- and be programmed to calculate and control the value of the angle of return α at least according to the length Lc and the radius r.
Thus, the calculation of the angle in degrees will be as follows: α = f (r, Lc) and for example as follows: α = Lc * 180 ° / (2 * π * r) where α will be chosen as a function initially of the length of hair to unroll for security and can adapt to any radius of the winding body 3 adapted to the device 1.

Selon l'invention, l'appareil peut comprendre des moyens de réglage 13 de température T du corps d'enroulement et l'unité de contrôle 9 peut être apte à stocker en mémoire une valeur de longueur de cheveux Lc à dérouler dans le sens inverse, et être apte à recevoir la valeur réglée de la température T. La CPU (control processing unit) ou unité de contrôle 9, composant électronique destiné à opérer le traitement des données et le contrôle de certains composants, est ensuite programmée pour calculer et pour commander la valeur de l'angle de retour α au moins en fonction de la longueur Lc et de la température réglée T.According to the invention, the apparatus may comprise means 13 for adjusting the temperature T of the winding body and the control unit 9 may be able to store in memory a value of length of hair Lc to unwind in the opposite direction , and be adapted to receive the set value of the temperature T. The control processing unit (CPU) or control unit 9, an electronic component intended to operate the data processing and the control of certain components, is then programmed to calculate and to control the value of the angle of return α at least according to the length Lc and the set temperature T.

Par exemple un calcul de l'angle en degrés sera comme suit: α = 45°* f (T), 45° étant une valeur choisie arbitrairement mais peut être choisie comme décrit plus haut dans une gamme de 20°à 180° voire une gamme de 25°à 90°. La fonction f est avantageusement une fonction croissante de la température, exemple une fonction linéaire, une fonction puissance (au carré par exemple), une fonction exponentielle... La longueur de cheveux Lc augmente avec la température selon cette fonction, pour augmenter l'aspect sécuritaire. Avantageusement, la température prise en compte peut être la température mesurée par un détecteur de température en alternance à la température prédéterminée. Avantageusement, la longueur de cheveux Lc peut être commandée selon l'angle α, la température T, et le rayon du corps d'enroulement comme suit α = Lc * 180°/ (2*π*r)* f(T) combinant tous les avantages des solutions.For example, a calculation of the angle in degrees will be as follows: α = 45 ° * f (T), 45 ° being a value chosen arbitrarily but may be chosen as described above in a range of 20 ° to 180 ° or even a range from 25 ° to 90 °. The function f is advantageously an increasing function of the temperature, for example a linear function, a power function (squared for example), an exponential function ... The length of hair Lc increases with the temperature according to this function, to increase the security aspect. Advantageously, the temperature taken into account may be the temperature measured by an alternating temperature detector at the predetermined temperature. Advantageously, the length of hair Lc can be controlled according to the angle α, the temperature T, and the radius of the winding body as follows α = Lc * 180 ° / (2 * π * r) * f (T) combining all the advantages of the solutions.

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.The motor assembly and 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.

Quand l'appareil de coiffure selon l'invention est destiné à former des boucles, les moyens d'entraînement 7 des cheveux pour entraîner la mèche sur le corps d'enroulement 3 sont des moyens de pincement 7' de la mèche. Ainsi, la mèche est entraînée en rotation initiale sur plusieurs tours par le fer à boucler ou friser.When the hairdressing apparatus according to the invention is intended to form loops, the drive means 7 of the hair for driving the wick on the winding body 3 are pinch means 7 'of the wick. Thus, the wick is driven in initial rotation over several turns by the curling iron or curling.

Quand l'appareil de coiffure selon l'invention destiné à former des ondulations est une brosse rotative soufflante, les moyens d'entraînement 7 des cheveux pour entraîner la mèche sur le corps d'enroulement 3 sont des soies ou picots 7" placés sur le corps d'enroulement pour former une brosse. Des orifices sont prévus pour faire passer de l'air chaud soufflé. Les soies ou picots peuvent être en plastique, en poils synthétique, naturel...When the hairdressing apparatus according to the invention intended to form corrugations is a rotating fan brush, the means 7 for driving the hair to drive the wick on the winding body 3 are bristles or pins 7 "placed on the winding body to form a brush.Options are provided to pass hot air blown.The bristles or spikes can be plastic, synthetic hair, natural ...

Selon l'invention, le procédé de bouclage d'une mèche de cheveux avec l'appareil comporte les étapes suivantes a) actionner dans un sens choisi parmi les deux sens possibles de rotation le corps d'enroulement 3 pour y enrouler une mèche de cheveux, b) détecter un état de fonctionnement tel qu'il provoque l'arrêt de la rotation du corps d'enroulement, c) à la détection dudit état, actionner la rotation selon le sens inverse. Avantageusement, la commande de l'étape c) peut se faire immédiatement à l'arrêt de rotation détecté.L'appareil selon l'invention permet l'automatisation des étapes b et c.According to the invention, the method of looping a lock of hair with the apparatus comprises the following steps: a) operating in a direction selected from the two possible directions of rotation the winding body 3 to wind a lock of hair therein , b) detecting a state of operation such that it causes the rotation of the winding body to stop, c) detecting the said state, actuating the rotation in the opposite direction. Advantageously, the control of step c) can be done immediately at the rotational stop detected. The apparatus according to the invention allows the automation of steps b and c.

Toutes les caractéristiques décrites pour l'appareil s'appliquent évidement au procédé selon l'invention. En particulier, la détection de l'état de fonctionnement provoquant l'arrêt de la rotation est effective dans au moins un des cas suivants : une action (actionnement ou relâchement) de l'utilisateur sur les moyens d'actionnement 10, un couple des moyens d'entraînement 8 supérieur à un couple seuil, un court-circuit, une panne d'alimentation.All the characteristics described for the apparatus apply obviously to the method according to the invention. In particular, the detection of the operating state causing the stopping of the rotation is effective in at least one of the following cases: an action (actuation or release) of the user on the actuating means 10, a pair of drive means 8 greater than a threshold torque, a short circuit, a power failure.

Le premier mode en figure 6 est représenté avec son moteur d'entraînement 8 dans la brosse mais peut être placé dans la poignée de l'appareil. L'air ambiant entre par l'arrière de la poignée et remonte au travers de la poignée 2 puis du corps d'enroulement 3 pour être réchauffé avant de s'échapper via les orifices agencés sur le mandrin, selon les flèches illustrées.The first mode in figure 6 is shown with its drive motor 8 in the brush but can be placed in the handle of the device. The ambient air enters the rear of the handle and rises through the handle 2 and the winding body 3 to be heated before escaping via the orifices arranged on the mandrel, according to the arrows illustrated.

Dans les figures 6 et 7, l'unité de contrôle 9 est agencée dans la poignée: elle reçoit toutes les informations sur l'état de dysfonctionnement de l'appareil et d'actionnement de la rotation du corps d'enroulement, et est programmée pour agir directement sur le moteur 8 qui par un mécanisme de transmission, entraînera le mandrin dans le sens programmé.In the Figures 6 and 7 , the control unit 9 is arranged in the handle: it receives all the information on the state of malfunction of the apparatus and of actuating the rotation of the winding body, and is programmed to act directly on the motor 8 which by a transmission mechanism, will drive the chuck in the programmed direction.

Description en fonctionnement :Description in operation:

Ainsi, en fonctionnement, l'utilisatrice 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'utilisatrice. Un voyant lumineux peut avertir que la phase de chauffe est terminée. L'utilisatrice saisit alors une mèche de cheveux et introduit la pointe de celle-ci entre le corps d'enroulement 3 et la pince 7. Une fois la pointe de la mèche fixée sur le corps d'enroulement 3, l'utilisatrice 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'arrêt de rotation est détecté et les moyens de contrôle de l'appareil arrêtent automatiquement l'alimentation du moteur et contrôlent le retour dans le sens anti horaire selon l'angle α, détachant ainsi le corps d'enroulement du cuir chevelu. L'utilisatrice attend ensuite quelques instants, le temps de la bonne mise en température de la mèche, puis elle actionne 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.Thus, in operation, the user begins by turning on the device which then controls the temperature 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 grasps a strand of hair and introduces the tip thereof between the winding body 3 and the gripper 7. Once the tip of the wick is attached to the winding body 3, the user activates the 10.10 'button, 10 "for example by pressing on its left side 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 root. the wick is completely wound, the rotational stop is detected and the control means of the device automatically stop the power supply of the motor and control the return in the anti-clockwise direction according to the angle α, thereby detaching the body from The user then waits a few moments, the time of good warming of the wick, then it actuates the button 10 by pressing on the right part thereof, which prints a rotational movement in direction. opposite of the engine what the wick will run along the winding body or mandrel 3.

Bien entendu, l'invention n'est nullement limitée aux modes de réalisation décrits et illustrés qui n'ont été donnés qu'à titre d'exemple. 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.Of course, the invention is not limited to the embodiments described and illustrated which have been given only as an example. 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 protection of the invention.

Claims (16)

Appareil (1) de coiffure comportant : - un moyen de préhension (2), - un corps d'enroulement (3) d'une mèche de cheveux, - des moyens d'entraînement (8) en rotation du corps d'enroulement (3) autour de son axe longitudinal (L), - des moyens d'entraînement (7) des cheveux pour entraîner la mèche sur le corps d'enroulement (3), - des moyens d'actionnement (10) du corps en rotation permettant à l'utilisateur de choisir un parmi les deux sens de rotation, - une unité de contrôle (9) reliée aux moyens d'actionnement (10) et programmée pour commander les moyens d'entraînement (8) selon le sens choisi,
caractérisé en ce que l'unité de contrôle (9) est programmée pour commander les moyens d'entraînement (8) dans le sens inverse du sens de rotation choisi quand l'unité de contrôle (9) détecte un état de fonctionnement provoquant l'arrêt de la rotation. Hairdressing apparatus (1) comprising: - a gripping means (2), a winding body (3) of a lock of hair, - drive means (8) in rotation of the winding body (3) about its longitudinal axis (L), - drive means (7) of the hair for driving the wick on the winding body (3), - Actuating means (10) of the rotating body allowing the user to choose one of the two directions of rotation, - a control unit (9) connected to the actuating means (10) and programmed to control the drive means (8) in the chosen direction,
characterized in that the control unit (9) is programmed to control the drive means (8) in the opposite direction to the direction of rotation selected when the control unit (9) detects an operating state causing the stopping the rotation. Appareil selon la revendication 1, où l'unité de contrôle (9) est programmée pour détecter un état de fonctionnement provoquant l'arrêt de la rotation dans au moins un des cas suivants : une action (actionnement ou relâchement) de l'utilisateur sur les moyens d'actionnement (10), un couple des moyens d'entraînement (8) supérieur à un couple seuil, un court-circuit, une panne d'alimentation.Apparatus according to claim 1, wherein the control unit (9) is programmed to detect a state of operation causing the rotation to stop in at least one of the following: an action (actuation or release) of the user on the actuating means (10), a torque of the drive means (8) greater than a threshold torque, a short circuit, a power failure. Appareil selon une des revendications précédentes où l'unité de contrôle (9) est programmée pour entraîner le corps d'enroulement (3) en rotation dans le sens inverse selon un angle de retour α compris entre 20°et 180° voire un angle compris entre 25°et 90°, préférentiellement égal à environ 45°.Apparatus according to one of the preceding claims, wherein the control unit (9) is programmed to drive the winding body (3) in rotation in the opposite direction by a return angle α of between 20 ° and 180 ° or an angle included between 25 ° and 90 °, preferably equal to about 45 °. Appareil selon la revendication précédente comprenant un bouton de réglage (14) de la valeur de l'angle de retour α.Apparatus according to the preceding claim comprising a knob (14) for the value of the angle of return α. Appareil selon une des revendications précédentes où l'unité de contrôle (9) est programmée pour commander une vitesse en sens inverse supérieure ou égale à la vitesse du sens d'enroulement choisi.Apparatus according to one of the preceding claims wherein the control unit (9) is programmed to control a reverse speed greater than or equal to the speed of the chosen winding direction. Appareil selon une des revendications précédentes où les moyens d'entraînement (8) sont aptes à produire une vitesse de rotation comprise entre 5 et 50 tr/min, voire entre 10 et 40 tr/min.Apparatus according to one of the preceding claims wherein the drive means (8) are capable of producing a rotation speed of between 5 and 50 rpm, or even between 10 and 40 rpm. Appareil selon une des revendications précédentes où les moyens d'entraînement (8) comprennent un moteur électrique, préférentiellement un motoréducteur.Apparatus according to one of the preceding claims wherein the drive means (8) comprise an electric motor, preferably a geared motor. Appareil selon une des revendications précédentes où les moyens d'actionnement (10) comprennent 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, l'état de fonctionnement provoquant l'arrêt de la rotation correspondant notamment à l'arrêt de l'actionnement par l'utilisateur d'un des deux boutons.Apparatus according to one of the preceding claims wherein the actuating means (10) comprises at least a first clockwise motor control knob (10 ') and a second motor rotation control knob (10 ") in counterclockwise, the operating state causing the stopping of the rotation corresponding in particular to stopping the operation by the user of one of the two buttons. Appareil selon l'une des revendications précédentes où les moyens d'entraînement (7) des cheveux sont des moyens de fixation (7), où le corps d'enroulement (3) présente une forme de révolution et où le rayon de courbure des moyens de fixation (7) est supérieur ou égal à celui du corps d'enroulement (3) dans une même section transversale de l'appareil.Apparatus according to one of the preceding claims wherein the drive means (7) of the hair are fastening means (7), wherein the winding body (3) has a shape of revolution and the radius of curvature means fastening (7) is greater than or equal to that of the winding body (3) in the same cross section of the apparatus. Appareil selon l'une des revendications précédentes où le rayon (r) du corps d'enroulement est compris 5 et 25mm, préférentiellement entre 10mm et 20mm.Apparatus according to one of the preceding claims wherein the radius (r) of the winding body is 5 and 25mm, preferably between 10mm and 20mm. Appareil selon l'une des revendications précédentes où des moyens de chauffe (4) sont associés au corps d'enroulement (3) ainsi qu'éventuellement à des moyens de régulation (9) de sa température.Apparatus according to one of the preceding claims wherein heating means (4) are associated with the winding body (3) and optionally to means (9) for regulating its temperature. Appareil selon l'une des revendications précédentes où le corps d'enroulement (3) comprend, 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).Apparatus according to one of the preceding claims wherein the winding body (3) comprises, inside, a heating means (4) fixedly mounted to the gripping means (2) and, externally, a tube mounted rotating around the longitudinal axis (L). Appareil selon l'une des revendications précédentes où le corps d'enroulement (3) présente une surface externe (5) d'enroulement des cheveux à faible coefficient de frottement.Apparatus according to one of the preceding claims wherein the winding body (3) has an outer surface (5) of winding hair with a low coefficient of friction. Appareil selon une des revendications précédentes destiné à former des boucles et où les moyens d'entraînement (7) des cheveux pour entraîner la mèche sur le corps d'enroulement (3) sont des moyens de pincement (7') de la mèche.Apparatus according to one of the preceding claims for forming loops and wherein the driving means (7) of the hair for driving the wick on the winding body (3) are pinch means (7 ') of the wick. Appareil selon une des revendications précédentes destiné à former des ondulations et où les moyens d'entraînement (7) des cheveux pour entraîner la mèche sur le corps d'enroulement (3) sont des soies ou picots (7") placés sur le corps d'enroulement.Apparatus according to one of the preceding claims for forming corrugations and wherein the means (7) for driving the hair to drive the wick onto the winding body (3) are bristles or pins (7 ") placed on the body of the body. 'winding. Procédé de bouclage d'une mèche de cheveux avec l'appareil selon une des revendications précédentes comportant les étapes suivantes : a) actionner dans un sens choisi parmi les deux sens possibles de rotation le corps d'enroulement (3) pour y enrouler une mèche de cheveux, b) détecter un état de fonctionnement tel qu'il provoque automatiquement l'arrêt de la rotation du corps d'enroulement (3), c) à la détection dudit état, actionner automatiquement la rotation selon le sens inverse. Method for looping a lock of hair with the apparatus according to one of the preceding claims, comprising the following steps: a) operating in a direction selected from the two possible directions of rotation the winding body (3) for winding a lock of hair, b) detecting a state of operation such that it automatically stops the rotation of the winding body (3), c) at the detection of said state, automatically actuate the rotation in the opposite direction.
EP11305639.4A 2010-06-07 2011-05-25 Hairdressing appliance with motorised mandrel Active EP2392222B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054459A FR2960747A1 (en) 2010-06-07 2010-06-07 HAIRSTANDING APPARATUS WITH MOTORIZED CHUCK

Publications (2)

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EP2392222A1 true EP2392222A1 (en) 2011-12-07
EP2392222B1 EP2392222B1 (en) 2013-09-11

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CN (1) CN102326941B (en)
ES (1) ES2433438T3 (en)
FR (1) FR2960747A1 (en)

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CN107853848A (en) * 2016-09-21 2018-03-30 Seb公司 Equipped with the hairdressing apparatus of movable protective shield
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USRE48170E1 (en) 2015-01-15 2020-08-25 Kiss Nail Products, Inc. Hair styling apparatuses and related methods
US10772406B2 (en) 2013-02-05 2020-09-15 Hd3 Limited Hair styling device
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US11963596B2 (en) 2018-06-15 2024-04-23 Japham Group Limited Hair styling device
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US10010147B2 (en) 2015-01-15 2018-07-03 Kiss Nail Products, Inc. Hair styling apparatuses and related methods
CN107632640B (en) * 2017-09-25 2019-06-14 深圳市奋达科技股份有限公司 A kind of intelligence curler control method
EP4208061A4 (en) * 2020-09-04 2024-10-16 F G Elliott Llc Rotating bristle device and method of use
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US11350719B2 (en) 2007-12-17 2022-06-07 Tf3 Limited Hair styling aid
US10238196B2 (en) 2007-12-17 2019-03-26 Tf3 Limited Hair styling aid
US9854891B2 (en) 2007-12-17 2018-01-02 Tf3 Limited Hair styling aid
US9788625B2 (en) 2010-12-17 2017-10-17 Tf3 Limited Hair styling device
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EP2893832A1 (en) 2010-12-17 2015-07-15 TF3 Limited Hair styling device
US9615644B2 (en) 2012-06-11 2017-04-11 Tf3 Limited Hair styling device
US10772406B2 (en) 2013-02-05 2020-09-15 Hd3 Limited Hair styling device
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US11224274B2 (en) 2015-12-28 2022-01-18 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods
US11457712B2 (en) 2015-12-28 2022-10-04 Kiss Nail Products, Inc. Hairstyling apparatuses and related methods
CN107853848A (en) * 2016-09-21 2018-03-30 Seb公司 Equipped with the hairdressing apparatus of movable protective shield
CN107853848B (en) * 2016-09-21 2024-05-10 Seb公司 Hair styling device equipped with a mobile protective cover
US12082672B2 (en) 2017-10-17 2024-09-10 Hd3 Limited Hair styling device, hair styling method and drive system
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Also Published As

Publication number Publication date
CN102326941B (en) 2016-03-30
ES2433438T3 (en) 2013-12-11
CN102326941A (en) 2012-01-25
FR2960747A1 (en) 2011-12-09
EP2392222B1 (en) 2013-09-11

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