EP3100633B2 - Electric hair-styling apparatus - Google Patents

Electric hair-styling apparatus Download PDF

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Publication number
EP3100633B2
EP3100633B2 EP16172027.1A EP16172027A EP3100633B2 EP 3100633 B2 EP3100633 B2 EP 3100633B2 EP 16172027 A EP16172027 A EP 16172027A EP 3100633 B2 EP3100633 B2 EP 3100633B2
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EP
European Patent Office
Prior art keywords
hair
mandrel
lock
winder
hollow body
Prior art date
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Application number
EP16172027.1A
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German (de)
French (fr)
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EP3100633A1 (en
EP3100633B1 (en
Inventor
Baptiste Bonnemaire
Xavier Vacheron
Martial Maisonneuve
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SEB SA
Original Assignee
SEB SA
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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • 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
    • A45D2/122—Means for fastening the hair on the curler body
    • 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
    • A45D2/36—Hair curlers or hair winders with incorporated heating or drying means, e.g. electric, using chemical reaction
    • A45D2/367—Hair curlers or hair winders with incorporated heating or drying means, e.g. electric, using chemical reaction with electrical 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/02—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-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
    • A45D2/02—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers
    • A45D2/08—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers of hollow type
    • 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
    • A45D2/02—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers
    • A45D2/10—Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers in the form of spools or bobbins
    • 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
    • A45D2/2407—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 with articulated parts

Definitions

  • the present invention relates to the technical field of electric hairdressing appliances. It relates more particularly to hair shaping devices, of the curling device type.
  • curling devices are known which are mostly curling/curling irons which comprise a handle connected to a heated mandrel and a tile mounted on a hinge making it possible to form a clamp with the heated mandrel.
  • actuating the clamp the user can grab a lock of hair and wrap it around the clamp by turning the entire device.
  • the heating chuck makes it possible to heat the wick and to carry out the shaping of this one.
  • the use of these devices proves to be unsatisfactory because the winding of the lock of hair is done manually. Thus, the formation of the curls is not sufficiently effective and the curls are hardly regular.
  • the rotating element used in this type of device is presented in the form of a disc with a cut section forming two hooks which force the seized wick to roll up at the same time in a front chamber and a rear chamber, this which means that the hair is subjected to tension throughout the winding and therefore risks being damaged.
  • the wick can easily get stuck in the winding chamber due to such “double winding” by the rotating element.
  • the object of the present invention is to remedy at least in part the aforementioned drawbacks and to propose a device for curling allowing effective treatment of the hair, while being easy and practical to use.
  • Another object of the invention is to avoid any jamming or tangling of the wick inside the winding chamber.
  • Another object of the invention is a device for curling making it possible to make regular curls without damaging the hair.
  • Another object of the invention aims to combine in an optimized manner, on a curling device, the efficiency and safety of operation in rotation.
  • Another object of the present invention aims to make it possible to create a curl by a curling device over substantially the entire length of the lock of hair without the risk of burning the scalp.
  • Another object of the present invention is to obviate the aforementioned drawbacks and to provide a curling device which makes it possible to wrap a lock of hair practically completely without reducing the effectiveness of the hairdressing device.
  • Another object of the invention is a so-called “winder” curling device capable of ensuring good ergonomics and comfortable use, while being reliable in operation.
  • Another object of the invention is a so-called “rewinder” curling device of simplified, compact structure that can be industrialized at low cost.
  • Yet another object of the invention is a device for curling which is capable of supplying heat in a safe or protective manner to the hair, without risking burning the hair and/or the scalp.
  • an apparatus for curling a lock of hair according to claim 1:
  • the fact of dividing the winding zone into an outer chamber and an inner chamber makes it possible to wind the lock of hair both around the mandrel and the winder.
  • Said winder surrounding the mandrel along its length has a larger winding diameter than that of the mandrel, which means that the hair wound around the winder is subjected to less tension. There is therefore little risk of damaging them.
  • the longitudinal shape of the mandrel and of the winder makes it possible to wind the lock of hair over relatively large surfaces, which avoids any possible jamming of hair.
  • the mandrel can take the form of a cylinder or a tapered frustum.
  • said mandrel has a cylindrical shape having an axis of revolution (R) and said inner winding chamber and the outer winding chamber are substantially concentric with said axis of revolution (R).
  • the lock of hair is then rolled up in winding chambers with regular space around the axis of revolution (R).
  • said hollow body has a cylindrical shape with an axis of revolution (R) and a constant diameter.
  • a reel having a cylindrical shape allows a smaller size of the device thanks to its constant diameter.
  • the distance (d1) of radial spacing between the hollow body and the mandrel is between 3 mm and 7 mm, preferably between 4 mm and 6 mm, for example 5 mm.
  • said hollow body comprises at least one part having the shape of a truncated cone of revolution with an axis of revolution (R) having a constricted end with respect to the mandrel and a flared end relative to the mandrel.
  • a winder having a conical truncated shape makes it possible to have both a volume available outside the cone for winding the wick in the outer winding chamber, and a sufficient volume inside the cone towards the front of the chuck for winding the bit in the inner winding chamber.
  • the radial spacing distance between the constricted end of the hollow body and the mandrel is between 2.5 and 4 mm, preferably between 3 and 3.5 mm, for example 3.2 .
  • the winder then takes on a conical appearance with a diameter at its base that is as tight as possible around the mandrel.
  • This diameter at the base of the cone is smaller than the diameter at the front which allows the bit to be wrapped as tightly as possible around the mandrel.
  • the angle of the cone is between 5° and 30°, preferably between 19° and 21°, more particularly 20°.
  • the ratio between the diameter of the constricted end c and the length of the cone d is between 0.78 and 0.82, preferably 0.801.
  • said hollow body has on its free end an opening intended to allow the lock of hair to pass towards the inner winding chamber.
  • the free end is understood to mean the end that is not connected directly in rotation with the drive means. This is the end intended to first come into contact with the lock of hair. Said free end is therefore arranged in the immediate vicinity of the introduction opening.
  • said opening is symmetrical with respect to a plane of symmetry (P) passing through the axis (R).
  • P plane of symmetry
  • R axis
  • said opening is arranged opposite the insertion opening in the rest position to more easily introduce the wick of hair to be curled and for it to be taken quickly by the winder.
  • the winder has at the front of the opening and at the edge of the hollow body at least one hook oriented protruding and extending towards the outside of the winder intended to catch a lock hair. Said hook is then arranged at the winding corner defined by the intersection of the edge of the free end and the opening. The hook protrudes from the outer surface of the retractor and is deviated towards the inside of the opening to better grasp the lock of hair.
  • the retractor has at the front of the opening and at the edge of the hollow body two hooks on either side, said hooks being arranged opposite each other and are symmetrical with respect to said plane of symmetry (P).
  • P plane of symmetry
  • the ratio between the distance between the ends of the hooks and the width of the introduction opening is between 2 and 3, preferably 2.67 so that the winding of the lock of hair is not hindered by slot.
  • the projection of the opening has substantially the shape of a semicircle.
  • the projection of the opening has the shape of an isosceles trapezium, the bases of which are orthogonal to the axis (R) with the small base at the front of the opening .
  • This arrangement offers the possibility of accumulating more hair at the bottom of the inner winding chamber. This pulls the section of hair towards the bottom of the winding chamber, so that it does not wind the hair at the open end, in which case the hair may "fall" off the chuck.
  • the ratio between the length of the large base of the trapezoid and the height of the trapezium is between 0.5 and 1.1, preferably 0.88 and the angle ( ⁇ ) of the large base is between 84° and 86°, preferably 85.4°.
  • the difference between the angle of the cone ( ⁇ ) and the angle of the large base ( ⁇ ) of the trapezium is between 60° and 70°, preferably 65.4°.
  • the hollow body has on the edge of the opening a bead extending towards the outside of the hollow body. It turns out that the edge of the opening in the hollow body cannot be too sharp otherwise it already deforms the lock of hair by bolduc effect during winding.
  • the bead on the edge of the opening makes it possible to create a rounding in contact with the wick and to avoid any untimely deformation of the latter.
  • the apparatus comprises a motor for driving the winder around the mandrel in at least one direction of rotation.
  • said motor is arranged in the housing of the device.
  • the apparatus comprises means for heating the winding chambers which are arranged in said mandrel.
  • the figure 1 illustrates a curling device 1 according to the invention comprising a gripping means 2, a box 10 at the end of the gripping means 2.
  • An electrical power cord 34 is provided for heating means 30 of the device or even also for a 31 engine.
  • the motor 31 makes it possible to drive via a transmission system 32 a reel 17 in rotation.
  • Said case 10 has in particular an opening 15 for introducing the wick to be curled, this opening here having the form of a slot which widens towards the outside of the device to help the ergonomics of use at the time of use. introduction of the wick.
  • the wick will be wound around a mandrel 12 and will be extracted from the device once the loop has been formed by an extraction opening 16 of the looped wick.
  • the gripping means 2 having the shape of a handle 2 comprises control elements, for example a switch 33' which can actuate the reel 17 in rotation, one or more adjustment buttons 33 in particular of setting the direction of rotation of the reel 17, the heating temperature of a winding zone 11, setting a timer or timer to warn the user that the loop is formed.
  • the timer is used to warn the user that the optimal heating time for the loop has ended and that he can extract the loop.
  • the timer is triggered during the rotation of the winder, at the start or at the end.
  • the gripping means are a single handle illustrated here but could alternatively be a set of two handles pivoting towards each other.
  • the picture 2 more particularly illustrates a perspective view of the apparatus according to the invention with the internal elements of its casing making it possible to understand the operation of the apparatus.
  • the housing 10 comprises a mandrel 12 having an axis of revolution (R) and an inner wall 13 substantially surrounding the mandrel 12.
  • the housing 10 further has an opening 15 for introducing the bit formed through the inner wall 13 and an extraction opening 16 of the loop formed through the inner wall 13 at the free end of the mandrel 12.
  • said insertion opening 15 has a width 161 necessary for inserting the wick.
  • the device comprises in the inner wall 13 a rotating element called “winder” 17 allowing the winding of a lock of hair around the mandrel 12.
  • Said winder 17 has a driven end connected in rotation to a driver 18 and an end free 210 near the extraction opening 16.
  • Said coach 18 having a disc shape is driven in rotation by the motor 31 via the transmission system 32.
  • the picture 3 illustrates the interior of housing 10 from another angle.
  • Said inner wall 13 comprises a portion of cylinder 13' with a diameter large enough to surround both the mandrel 12 and the winder 17 while leaving a space with respect to the winder 17.
  • the winder 17 as illustrated at picture 3 comprises on the one hand a base 20 linked in rotation to the driver 18, and on the other hand a hollow body 21 having a surface of a body of revolution (conical surface at the picture 3 ) of a longitudinal curve in the direction of the mandrel. Consequently, said hollow body 21 surrounds at least partially and in its length the mandrel 12.
  • the space formed between the interior of the hollow body 21 and the mandrel 12 is called here an inner winding chamber 40;
  • the space formed by the inside of the inner wall 13 and the outside of the hollow body 21 is here called an outer winding chamber 50.
  • the winding chamber is defined with respect to the hollow body 21, and is functionally divided into two chambers allow the fast and efficient winding of the wick: said inner winding chamber 40 and outer winding chamber 50.
  • the inner winding chamber 40 and the outer winding chamber 50 are substantially concentric to said axis of revolution (R).
  • a winder 17' comprises a hollow body 21' having a surface of a cylinder of revolution. Said hollow body 21' being arranged between the mandrel 12 and the inner wall, the distance d1 of radial spacing between the hollow body 21' and the mandrel 12 is between 3mm and 8mm, preferably 5mm, and the distance d4 of radial spacing between the hollow body 21 'and the inner wall is between 4mm and 9mm, preferably 7mm.
  • the cylindrical hollow body 21' has a diameter comprised between 36mm and 38mm, preferably 37.3mm and a length comprised between 30mm and 33mm, preferably 31.5mm.
  • the winder 17' has at the free end 210' an opening 6' intended to allow the lock of hair to pass towards the inner winding chamber 40.
  • the projection of the opening 6' has the shape of a semi-circle which is symmetrical with respect to a plane of symmetry (P) passing through the axis of revolution (R). Said opening 6' is arranged opposite the introduction opening 15 in the rest position.
  • the retractor 17' has at the front of the opening 6' and at the edge of the hollow body 21' two hooks 19, 19' on either side oriented protruding and extending towards the outside of the hollow body 21'.
  • the hooks 19, 19' are arranged facing each other and are symmetrical with respect to the plane of symmetry (P).
  • the width a1 of the opening 6' is between 16mm and 18mm, preferably 17.5mm and the depth b1 of the opening 6' is between 11mm and 13mm, preferably 12.5mm.
  • the hollow body 21' therefore has a regular shape with a constant diameter and a small opening in front of the hollow body 21' for rolling the mandrel 12 forwards.
  • FIG. 6 A second embodiment of said first category is illustrated in figure 6 .
  • This is the same winder 17' as in the first embodiment except that it has a different opening 6 which has the shape of an isosceles trapezium whose bases B', b' are orthogonal to the axis ( R) with the small base b' at the front of opening 6.
  • the length a2 of the large base B' of the trapezium is between 20mm and 23mm, preferably 21.7mm, the height b2 of the trapezoid is between 19mm and 22mm, preferably 20.1mm and the angle of the large base ⁇ 'is between 78° and 82°, preferably 80°.
  • the same hooks 19, 19' are placed at the front of the opening 6 and at the edge of the hollow body 21'.
  • the width of the opening a2' is between 10mm and 25mm, preferably 20mm.
  • the hollow body 21' therefore has a regular shape with a constant diameter and a larger opening towards the front of the hollow body.
  • This opening has a trapezoidal shape so that the lock of hair is attracted and rolled up as quickly as possible towards the back of the mandrel 12 and that it is distributed as evenly as possible around the length of the mandrel 12.
  • the hollow body 21 of the winder 17 comprises a first part which is a base 21a of cylindrical shape connected to the trainer 18 and a second part presented in the form of a truncated cone 21b of revolution of axis of revolution ( R).
  • Said truncated cone has a constricted end 171 to the mandrel 12 and a flared end 172 with respect to the mandrel 12.
  • the diameter c of the base 21a is between 27mm and 31mm, preferably 29mm and the length d of the cone is between 34mm and 38mm, preferably 36.2mm.
  • the ratio between the diameter c of the constricted end 171 and the length d of the cone is between 0.6 and 1, from preferably between 0.78 and 0.82, for example 0.801.
  • the cone angle ⁇ is between 10° and 30°, preferably 20°.
  • the radial spacing distance d2 between the constricted end 171 and the mandrel 12 is between 3 and 3.5 mm, preferably 3.2 mm.
  • the distance d3 of radial spacing between the flared end 172 and the mandrel 12 is between 6mm and 9mm, preferably 7.5mm.
  • the retractor 17 has at the front of the truncated cone 21b an opening 6 having the shape of an isosceles trapezium whose bases B, b are orthogonal to the axis (R) with the small base b at the front of the opening 6.
  • the length a3 of the large base B of the trapezium is between 22mm and 25mm, preferably 23.5mm, the height b3 of the trapezium is between 35mm and 38mm, preferably 36.2mm and the angle of the large base ⁇ is between 82° and 88°, preferably 85.4°.
  • the distance b" between the ends of the hooks is between 6mm and 20mm, preferably 16mm.
  • the ratio between this distance b" and the width 161 of the introduction opening 15 is between 2 and 3, preferably 2, 67.
  • the winder therefore takes on a conical appearance with a diameter at its base that is as tight as possible around the heating mandrel. This diameter at the base is then smaller than the diameter at the front.
  • the conical shape of the cylinder makes it possible to have a volume available outside the cone for winding the bit in the outer winding chamber, and a sufficient volume inside the cone towards the front of the chuck to winding of the roving in the inner winding chamber.
  • the angle of the cylinder's cone impacts the angle of the trapezoid: the steeper the cone, the less steep the trapezium angle needs to be.
  • the small distance between the winding point (the corner of the trapezoid) and the heating mandrel is an important criterion for the wick to be wound as tightly as possible around the mandrel. Therefore, the difference between the angle of the cone ( ⁇ ) and the angle of the large base ( ⁇ ) of the trapezium is between 60° and 70°, preferably 65.4°, the angle of the large base ( ⁇ ) of the trapezium being larger.
  • the trapeze opening must be pronounced, but must not revealing too much of the heated mandrel, the wick being wound in the "external" winding chamber risking slowing down the rotation by friction, and or creating knots.
  • the reel 17, 17' has a regular thickness which is between 1.2 mm and 3 mmm, preferably 2 mm.
  • the hollow body 21 has on the edge of the opening 6 a bead 61 extending towards the outside of the hollow body 21.
  • This configuration can be applied to any shape of hollow body and opening as previously described.
  • a heating element can be put in place, for example one or more electrical resistors, the heating element being able to be arranged inside the mandrel 12 and/or in the inner wall 13.
  • One possible embodiment heating means 30 is illustrated in figure 4 : the mandrel 12 alone contains two electrical resistors of parallelepipedal shape arranged in parallel. This embodiment makes it possible to provide a heating mandrel of large diameter.
  • the winder stops its rotation and the wick remains static for a few seconds, the time to be heated and formed.

Landscapes

  • Hair Curling (AREA)

Description

La présente invention concerne le domaine technique des appareils de coiffure électrique. Elle concerne plus particulièrement des appareils de mise en forme de cheveux, du type appareil à boucler.The present invention relates to the technical field of electric hairdressing appliances. It relates more particularly to hair shaping devices, of the curling device type.

On connait de nombreux appareils à boucler qui sont pour la plupart des fers à friser/boucler qui comprennent une poignée reliée à un mandrin chauffant et une tuile montée sur charnière permettant de former une pince avec le mandrin chauffant. En actionnant la pince, l'utilisateur peut saisir une mèche de cheveux et l'enrouler autour de la pince en tournant l'ensemble de l'appareil. Le mandrin chauffant permet de chauffer la mèche et de réaliser la mise en forme de celle-ci. L'utilisation de ces appareils s'avère insatisfaisante du fait que l'enroulement de la mèche de cheveux se fait de façon manuelle. Ainsi, la formation des boucles n'est pas suffisamment efficace et les boucles sont difficilement régulières.Many curling devices are known which are mostly curling/curling irons which comprise a handle connected to a heated mandrel and a tile mounted on a hinge making it possible to form a clamp with the heated mandrel. By actuating the clamp, the user can grab a lock of hair and wrap it around the clamp by turning the entire device. The heating chuck makes it possible to heat the wick and to carry out the shaping of this one. The use of these devices proves to be unsatisfactory because the winding of the lock of hair is done manually. Thus, the formation of the curls is not sufficiently effective and the curls are hardly regular.

On connaît le document FR2373986 qui décrit un appareil à boucler automatique comprenant un boîtier dans lequel est disposé un élément d'enroulement entrainé en rotation par un moteur autour d'un mandrin cylindrique et chauffant. Ledit élément d'enroulement présente une forme en spirale de sorte que, lors du démarrage de l'appareil, une mèche de cheveux est enroulée autour du mandrin chauffant.We know the document FR2373986 which describes an automatic curling device comprising a housing in which is arranged a winding element driven in rotation by a motor around a cylindrical and heated mandrel. Said winding element has a spiral shape so that when starting the device, a lock of hair is wrapped around the heating mandrel.

On connaît un autre document DE 2816289 qui décrit un appareil à boucler automatique comprenant un boîtier formant une ouverture dans laquelle sont agencés un mandrin chauffant ayant une forme conique et un peigne. Un élément d'enroulement est entrainé rotatif autour du mandrin chauffant, ledit élément d'enroulement présentant un premier crochet s'étendant vers l'extérieur destiné à entrainer une mèche de cheveux pour l'enroulement et un deuxième crochet permettant de libérer la mèche bouclée.We know another document DE 2816289 which describes an automatic curling apparatus comprising a housing forming an opening in which are arranged a heating mandrel having a conical shape and a comb. A winding element is rotatably driven around the heating mandrel, said winding element having a first outwardly extending hook for entraining a lock of hair for winding and a second hook for releasing the curled lock .

On connaît aussi un autre document JP S61 10102U qui décrit un appareil à boucler une mèche de cheveux.We also know another document JP S61 10102U which describes an apparatus for curling a lock of hair.

Les appareils décrits ci-dessus ont pour inconvénient une structure complexe et encombrante. De plus, ce type d'appareil ne permet pas une utilisation simple et aisée et ne permet pas une mise en boucle des cheveux efficace du fait que les cheveux enroulés ne sont pas maintenus près du mandrin chauffant pour la bonne formation de la boucle.The devices described above have the disadvantage of a complex and bulky structure. In addition, this type of device does not allow simple and easy use and does not allow curling of the hair. effective because the curled hair is not held close to the heated mandrel for proper curl formation.

Plus tard, ce type de boucleur a été perfectionné comme décrit par exemple dans le document WO2009077747 qui décrit un appareil à boucler comprenant un guide latéral pour recevoir une mèche, un élément tournant relativement au guide statique, permettant de placer une mèche sur un côté et de l'enrouler autour d'un mandrin allongé. Dans ce type de boucleur enrouleur, la mèche est enroulée à l'intérieur de la chambre d'enroulement depuis le cuir chevelu vers l'extrémité de la mèche, contrairement au sens d'un boucleur à tuile pivotante qui enroule depuis l'extrémité vers le cuir chevelu. Néanmoins, l'élément tournant utilisé dans ce type d'appareil est présenté sous forme d'un disque avec une section coupée formant deux crochets qui obligent la mèche saisie à s'enrouler à la fois dans une chambre avant et une chambre arrière, ce qui fait que les cheveux sont soumis à une tension tout au long de l'enroulement donc risquent de s'abîmer. De plus, on a pu constater que la mèche peut facilement se coincer dans la chambre d'enroulement du fait d'un tel « double enroulement » par l'élément tournant.Later, this type of looper was perfected as described for example in the document WO2009077747 which describes a curling device comprising a side guide for receiving a wick, an element rotating relative to the static guide, making it possible to place a wick on one side and to wrap it around an elongated mandrel. In this type of winder looper, the wick is wound inside the winding chamber from the scalp towards the end of the wick, contrary to the sense of a swivel tile looper which winds from the end towards scalp. However, the rotating element used in this type of device is presented in the form of a disc with a cut section forming two hooks which force the seized wick to roll up at the same time in a front chamber and a rear chamber, this which means that the hair is subjected to tension throughout the winding and therefore risks being damaged. In addition, it has been observed that the wick can easily get stuck in the winding chamber due to such “double winding” by the rotating element.

Le but de la présente invention est de remédier au moins en partie aux inconvénients précités et de proposer un appareil à boucler permettant un traitement efficace de la chevelure, tout en étant d'une utilisation aisée et pratique.The object of the present invention is to remedy at least in part the aforementioned drawbacks and to propose a device for curling allowing effective treatment of the hair, while being easy and practical to use.

Un autre but de l'invention est d'éviter tout coincement ou emmêlement de la mèche à l'intérieur de la chambre d'enroulement.Another object of the invention is to avoid any jamming or tangling of the wick inside the winding chamber.

Un autre but de l'invention est un appareil à boucler permettant de faire des boucles régulières sans abîmer les cheveux.Another object of the invention is a device for curling making it possible to make regular curls without damaging the hair.

Un autre but de l'invention vise à combiner de façon optimisée, sur un appareil à boucler, l'efficacité et la sécurité du fonctionnement en rotation.Another object of the invention aims to combine in an optimized manner, on a curling device, the efficiency and safety of operation in rotation.

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 aims to make it possible to create a curl by a curling device over substantially the entire length of the lock of hair without the risk of burning 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 device which makes it possible to wrap a lock of hair practically completely without reducing the effectiveness of the hairdressing device.

Un autre but de l'invention est un appareil à boucler dit « enrouleur » apte à assurer une bonne ergonomie et une utilisation confortable, tout en étant fiable en fonctionnement.Another object of the invention is a so-called “winder” curling device capable of ensuring good ergonomics and comfortable use, while being reliable in operation.

Un autre but de l'invention est un appareil à boucler dit « enrouleur » de structure simplifiée, compacte et pouvant être industrialisé pour un faible coût.Another object of the invention is a so-called “rewinder” curling device of simplified, compact structure that can be industrialized at low cost.

Encore un autre but de l'invention est un appareil à boucler 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.Yet another object of the invention is a device for curling which is capable of supplying heat in a safe or protective manner to the hair, without risking burning the hair and/or the scalp.

Ces buts sont atteints avec un appareil à boucler une mèche de cheveux selon la revendication 1 :
Le fait de répartir la zone d'enroulement en une chambre extérieure et une chambre intérieure permet d'enrouler la mèche de cheveux à la fois autour du mandrin et de l'enrouleur. Ledit enrouleur entourant le mandrin dans sa longueur présente un diamètre d'enroulement plus important que celui du mandrin ce qui fait que les cheveux enroulés autour de l'enrouleur sont soumis à une tension moindre. Il y a donc peu de risque de les abîmer. De plus, la forme longitudinale du mandrin et de l'enrouleur permet d'enrouler la mèche de cheveux sur des surfaces relativement importantes, ce qui évite tout coincement de cheveux possible. Le mandrin peut prendre une forme d'un cylindre ou d'un tronc conique.These objects are achieved with an apparatus for curling a lock of hair according to claim 1:
The fact of dividing the winding zone into an outer chamber and an inner chamber makes it possible to wind the lock of hair both around the mandrel and the winder. Said winder surrounding the mandrel along its length has a larger winding diameter than that of the mandrel, which means that the hair wound around the winder is subjected to less tension. There is therefore little risk of damaging them. In addition, the longitudinal shape of the mandrel and of the winder makes it possible to wind the lock of hair over relatively large surfaces, which avoids any possible jamming of hair. The mandrel can take the form of a cylinder or a tapered frustum.

Selon le mode de réalisation illustré, ledit mandrin a une forme cylindrique présentant un axe de révolution (R) et ladite chambre d'enroulement intérieure et la chambre d'enroulement extérieure sont sensiblement concentriques audit axe de révolution (R). La mèche de cheveux est alors enroulée dans des chambres d'enroulement à espace régulier autour de l'axe de révolution (R).According to the illustrated embodiment, said mandrel has a cylindrical shape having an axis of revolution (R) and said inner winding chamber and the outer winding chamber are substantially concentric with said axis of revolution (R). The lock of hair is then rolled up in winding chambers with regular space around the axis of revolution (R).

Selon une première catégorie de modes de réalisation non couverte par l'invention, ledit corps creux a une forme cylindrique d'axe de révolution (R) et à diamètre constant.According to a first category of embodiments not covered by the invention, said hollow body has a cylindrical shape with an axis of revolution (R) and a constant diameter.

Un enrouleur ayant une forme cylindrique permet un encombrement moindre de l'appareil grâce à son diamètre constant.A reel having a cylindrical shape allows a smaller size of the device thanks to its constant diameter.

Selon un mode de réalisation de ladite première catégorie, la distance (d1) d'espacement radial entre le corps creux et le mandrin est comprise entre 3mm et 7mm, de préférence entre 4 mm et 6mm, par exemple 5mm.According to an embodiment of said first category, the distance (d1) of radial spacing between the hollow body and the mandrel is between 3 mm and 7 mm, preferably between 4 mm and 6 mm, for example 5 mm.

Selon une deuxième catégorie de modes de réalisation faisant partie de l'invention, ledit corps creux comprend au moins une partie ayant une forme de tronc de cône de révolution d'axe de révolution (R) ayant une extrémité resserrée par rapport au mandrin et une extrémité évasée par rapport au mandrin.According to a second category of embodiments forming part of the invention, said hollow body comprises at least one part having the shape of a truncated cone of revolution with an axis of revolution (R) having a constricted end with respect to the mandrel and a flared end relative to the mandrel.

Un enrouleur ayant une forme de tronc conique permet d'avoir à la fois un volume disponible à l'extérieur du cône pour l'enroulement de la mèche dans la chambre d'enroulement extérieure, et un volume suffisant à l'intérieur du cône vers l'avant du mandrin pour l'enroulement de la mèche dans la chambre d'enroulement intérieure.A winder having a conical truncated shape makes it possible to have both a volume available outside the cone for winding the wick in the outer winding chamber, and a sufficient volume inside the cone towards the front of the chuck for winding the bit in the inner winding chamber.

Selon un mode de réalisation de ladite deuxième catégorie, la distance d'espacement radial entre l'extrémité resserrée du corps creux et le mandrin est comprise entre 2,5 et 4mm, de préférence entre 3 et 3, 5 mm par exemple 3,2.According to an embodiment of said second category, the radial spacing distance between the constricted end of the hollow body and the mandrel is between 2.5 and 4 mm, preferably between 3 and 3.5 mm, for example 3.2 .

L'enrouleur prend alors un aspect conique par un diamètre à sa base le plus resserré possible autour du mandrin. Ce diamètre à la base du cône est plus faible que le diamètre à l'avant ce qui permet que la mèche soit enroulée le plus serré possible autour du mandrin.The winder then takes on a conical appearance with a diameter at its base that is as tight as possible around the mandrel. This diameter at the base of the cone is smaller than the diameter at the front which allows the bit to be wrapped as tightly as possible around the mandrel.

Avantageusement, l'angle du cône est compris entre 5° et 30°, de préférence entre 19° et 21°, plus particulièrement 20°.Advantageously, the angle of the cone is between 5° and 30°, preferably between 19° and 21°, more particularly 20°.

De surcroît, le rapport entre le diamètre de l'extrémité resserrée c et la longueur du cône d est compris entre 0,78 et 0,82, de préférence 0,801.Moreover, the ratio between the diameter of the constricted end c and the length of the cone d is between 0.78 and 0.82, preferably 0.801.

Selon l'une des deux catégories de modes de réalisation, ledit corps creux présente sur son extrémité libre une ouverture destinée à laisser passer la mèche de cheveux vers la chambre d'enroulement intérieure. On entend par l'extrémité libre l'extrémité non liée directement en rotation avec les moyens d'entrainement. Il s'agit de l'extrémité destinée à entrer en contact en premier lieu avec la mèche de cheveux. Ladite extrémité libre est donc agencée à proximité immédiate de l'ouverture d'introduction.According to one of the two categories of embodiments, said hollow body has on its free end an opening intended to allow the lock of hair to pass towards the inner winding chamber. The free end is understood to mean the end that is not connected directly in rotation with the drive means. This is the end intended to first come into contact with the lock of hair. Said free end is therefore arranged in the immediate vicinity of the introduction opening.

Avantageusement, ladite ouverture est symétrique par rapport à un plan de symétrie (P) passant par l'axe (R). Ceci a pour objectif d'enrouler la mèche dans un sens ou dans l'autre de la même façon.Advantageously, said opening is symmetrical with respect to a plane of symmetry (P) passing through the axis (R). The purpose of this is to wrap the wick in one direction or the other in the same way.

De surcroît, ladite ouverture est agencée en face de l'ouverture d'introduction en position de repos pour introduire plus facilement la mèche de cheveux à boucler et pour que celle-ci soit prise rapidement par l'enrouleur.In addition, said opening is arranged opposite the insertion opening in the rest position to more easily introduce the wick of hair to be curled and for it to be taken quickly by the winder.

Selon un autre aspect de l'invention, l'enrouleur présente à l'avant de l'ouverture et au bord du corps creux au moins un crochet orienté protubérant et s'étendant vers l'extérieur de l'enrouleur destiné à attraper une mèche de cheveux. Ledit crochet est alors agencé au coin d'enroulement défini par l'intersection du bord de l'extrémité libre et l'ouverture. Le crochet est protubérant par rapport à la surface externe de l'enrouleur et dévié vers l'intérieur de l'ouverture pour mieux saisir la mèche de cheveux.According to another aspect of the invention, the winder has at the front of the opening and at the edge of the hollow body at least one hook oriented protruding and extending towards the outside of the winder intended to catch a lock hair. Said hook is then arranged at the winding corner defined by the intersection of the edge of the free end and the opening. The hook protrudes from the outer surface of the retractor and is deviated towards the inside of the opening to better grasp the lock of hair.

Avantageusement, l'enrouleur présente à l'avant de l'ouverture et au bord du corps creux deux crochets de part et d'autre, lesdits crochets étant agencés l'un en regard de l'autre et sont symétriques par rapport audit plan de symétrie (P). Ceci a pour objectif d'enrouler la mèche dans un sens ou dans l'autre de la même façon.Advantageously, the retractor has at the front of the opening and at the edge of the hollow body two hooks on either side, said hooks being arranged opposite each other and are symmetrical with respect to said plane of symmetry (P). The purpose of this is to wrap the wick in one direction or the other in the same way.

De surcroît, le rapport entre la distance entre les extrémités des crochets et la largeur de l'ouverture d'introduction est compris entre 2 et 3, de préférence 2,67 pour que l'enroulement de la mèche de cheveux ne soit pas gêné par la fente.In addition, the ratio between the distance between the ends of the hooks and the width of the introduction opening is between 2 and 3, preferably 2.67 so that the winding of the lock of hair is not hindered by slot.

Selon un premier mode de réalisation de l'ouverture, la projection de l'ouverture présente sensiblement une forme de demi-cercle.According to a first embodiment of the opening, the projection of the opening has substantially the shape of a semicircle.

Selon un deuxième mode de réalisation de l'ouverture, la projection de l'ouverture présente une forme de trapèze d'isocèle, dont les bases sont orthogonales à l'axe (R) avec la petite base à l'avant de l'ouverture. Cet agencement offre la possibilité d'accumuler plus de cheveux au fond de la chambre d'enroulement intérieure. Ça amène la mèche de cheveux vers le fond de la chambre d'enroulement, pour ne pas enrouler les cheveux à l'extrémité ouverte, auquel cas les cheveux peuvent « tomber » du mandrin.According to a second embodiment of the opening, the projection of the opening has the shape of an isosceles trapezium, the bases of which are orthogonal to the axis (R) with the small base at the front of the opening . This arrangement offers the possibility of accumulating more hair at the bottom of the inner winding chamber. This pulls the section of hair towards the bottom of the winding chamber, so that it does not wind the hair at the open end, in which case the hair may "fall" off the chuck.

Selon une caractéristique du deuxième mode de réalisation de l'ouverture, le rapport entre la longueur de la grande base du trapèze et la hauteur du trapèze est compris entre 0,5 et 1,1, de préférence 0,88 et l'angle (α) de la grande base est compris entre 84° et 86°, de préférence 85,4°.According to a characteristic of the second embodiment of the opening, the ratio between the length of the large base of the trapezoid and the height of the trapezium is between 0.5 and 1.1, preferably 0.88 and the angle ( α) of the large base is between 84° and 86°, preferably 85.4°.

Selon une autre caractéristique du deuxième mode de réalisation de l'ouverture, l'écart entre l'angle du cône (β) et l'angle de la grande base (α) du trapèze est compris entre 60° et 70°, de préférence 65,4°. Plus le cône a un angle important, moins l'angle du trapèze a besoin d'être prononcé.According to another characteristic of the second embodiment of the opening, the difference between the angle of the cone (β) and the angle of the large base (α) of the trapezium is between 60° and 70°, preferably 65.4°. The steeper the cone, the less steep the trapezium angle needs to be.

Selon une caractéristique de l'invention, le corps creux présente sur l'arête de l'ouverture un bourrelet s'étendant vers l'extérieur du corps creux. Il s'avère que l'arête de l'ouverture dans le corps creux ne peut pas être trop vive sinon cela déforme déjà la mèche de cheveux par effet bolduc lors de l'enroulement. Le bourrelet sur l'arête de l'ouverture permet de créer un arrondi au contact avec la mèche et d'éviter toute déformation intempestive de celle-ci.According to one characteristic of the invention, the hollow body has on the edge of the opening a bead extending towards the outside of the hollow body. It turns out that the edge of the opening in the hollow body cannot be too sharp otherwise it already deforms the lock of hair by bolduc effect during winding. The bead on the edge of the opening makes it possible to create a rounding in contact with the wick and to avoid any untimely deformation of the latter.

Selon une autre caractéristique de l'invention, l'appareil comprend un moteur pour entrainer l'enrouleur autour du mandrin dans au moins un sens de rotation. De préférence, ledit moteur est agencé dans le boîtier de l'appareil.According to another characteristic of the invention, the apparatus comprises a motor for driving the winder around the mandrel in at least one direction of rotation. Preferably, said motor is arranged in the housing of the device.

Selon une autre caractéristique de l'invention, l'appareil comprend des moyens de chauffe des chambres d'enroulement qui sont agencés dans ledit mandrin.According to another characteristic of the invention, the apparatus comprises means for heating the winding chambers which are arranged in said mandrel.

Ces buts sont également atteints avec un procédé d'utilisation d'un appareil à boucler une mèche de cheveux selon la revendication 13.These objects are also achieved with a method of using an apparatus for curling a lock of hair according to claim 13.

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

  • La figure 1 est une perspective de l'appareil selon l'invention,
  • La figure 2 est une perspective de l'appareil selon l'invention avec les éléments internes de son boîtier,
  • La figure 3 est une vue en coupe transversale selon un axe de révolution (R) du boîtier de l'appareil selon l'invention,
  • La figure 4 est une vue en coupe transversale selon un plan orthogonal à l'axe de révolution (R) du boîtier de l'appareil selon l'invention,
  • La figure 5 est une vue de dessus de l'ensemble de l'enrouleur et du mandrin selon un premier mode de réalisation de la première catégorie de modes de réalisation,
  • La figure 6 est une vue de dessus de l'ensemble de l'enrouleur et du mandrin selon un deuxième mode de réalisation de la première catégorie de modes de réalisation,
  • La figure 7 est une vue en coupe transversale selon l'axe de révolution (R) du boîtier de l'appareil et selon la première catégorie de modes de réalisation,
  • La figure 8 est une vue de dessus de l'ensemble de l'enrouleur et du mandrin selon la deuxième catégorie de modes de réalisation,
  • La figure 9 est une vue de face de l'ensemble de l'enrouleur et du mandrin selon la deuxième catégorie de modes de réalisation,
  • La figure 10 est une vue en coupe transversale selon l'axe de révolution (R) du boîtier de l'appareil et selon la deuxième catégorie de modes de réalisation, avec un zoom de la zone A,
  • La figure 11 est une vue en perspective de l'appareil avec le devant du boîtier coupé,
  • Les figures 12 à 14 sont une série de vues en perspective illustrant l'appareil en état de fonctionnement.
  • Les figures 15 et 16 illustrent une alternative d'un composant de l'appareil.
The invention will be better understood on studying the embodiments taken without limitation and illustrated by the appended drawings in which:
  • The figure 1 is a perspective view of the apparatus according to the invention,
  • The figure 2 is a perspective of the device according to the invention with the internal elements of its case,
  • The picture 3 is a cross-sectional view along an axis of revolution (R) of the housing of the device according to the invention,
  • The figure 4 is a cross-sectional view along a plane orthogonal to the axis of revolution (R) of the housing of the device according to the invention,
  • The figure 5 is a top view of the winder and mandrel assembly according to a first embodiment of the first category of embodiments,
  • The figure 6 is a top view of the winder and mandrel assembly according to a second embodiment of the first category of embodiments,
  • The figure 7 is a cross-sectional view along the axis of revolution (R) of the housing of the device and according to the first category of embodiments,
  • The figure 8 is a top view of the winder and mandrel assembly according to the second category of embodiments,
  • The figure 9 is a front view of the winder and mandrel assembly according to the second category of embodiments,
  • The figure 10 is a cross-sectional view along the axis of revolution (R) of the housing of the device and according to the second category of embodiments, with a zoom of zone A,
  • The figure 11 is a perspective view of the device with the front of the case cut away,
  • The figures 12 to 14 are a series of perspective views showing the unit in working order.
  • The figures 15 and 16 illustrate an alternative device component.

La figure 1 illustre un appareil 1 à boucler selon l'invention comportant un moyen de préhension 2, un boîtier 10 à l'extrémité du moyen de préhension 2. Un cordon électrique d'alimentation 34 est prévu pour des moyens de chauffe 30 de l'appareil voire aussi pour un moteur 31. Comme illustré à la figure 2, le moteur 31 permet d'entrainer via un système de transmission 32 un enrouleur 17 en rotation. Ledit boîtier 10 présente particulièrement une ouverture d'introduction 15 de la mèche à boucler, cette ouverture ayant ici la forme d'une fente qui s'élargit vers l'extérieur de l'appareil pour aider l'ergonomie d'usage à l'introduction de la mèche. La mèche sera enroulée autour d'un mandrin 12 et sera extraite de l'appareil une fois la boucle formée par une ouverture d'extraction 16 de la mèche bouclée. Ledit mandrin 12 est attaché au boîtier 10 par une de ses extrémités. L'ouverture d'extraction 16 est agencée au niveau de l'extrémité libre du mandrin 12 et entoure le périmètre du mandrin pour laisser s'échapper la boucle sans la déformer. Le moyen de préhension 2 ayant une forme de poignée 2 comprend des éléments de commande, par exemple un interrupteur 33' qui peut actionner en rotation l'enrouleur 17, un ou plusieurs boutons de réglage 33 notamment de réglage du sens de rotation de l'enrouleur 17, de la température de chauffe d'une zone d'enroulement 11, de réglage d'un minuteur ou timer permettant d'avertir l'utilisateur que la boucle est formée. Le timer est utilisé pour avertir l'utilisateur que la durée optimale de chauffe de la boucle est terminée et qu'il peut extraire la boucle. Le timer est déclenché pendant la rotation de l'enrouleur, au début ou à la fin. Les moyens de préhension sont une poignée unique illustrée ici mais pourraient être alternativement un ensemble de deux poignées pivotantes l'une vers l'autre.The figure 1 illustrates a curling device 1 according to the invention comprising a gripping means 2, a box 10 at the end of the gripping means 2. An electrical power cord 34 is provided for heating means 30 of the device or even also for a 31 engine. As shown in figure 2 , the motor 31 makes it possible to drive via a transmission system 32 a reel 17 in rotation. Said case 10 has in particular an opening 15 for introducing the wick to be curled, this opening here having the form of a slot which widens towards the outside of the device to help the ergonomics of use at the time of use. introduction of the wick. The wick will be wound around a mandrel 12 and will be extracted from the device once the loop has been formed by an extraction opening 16 of the looped wick. Said mandrel 12 is attached to housing 10 by one of its ends. The extraction opening 16 is arranged at the level of the free end of the mandrel 12 and surrounds the perimeter of the mandrel to allow the loop to escape without deforming it. The gripping means 2 having the shape of a handle 2 comprises control elements, for example a switch 33' which can actuate the reel 17 in rotation, one or more adjustment buttons 33 in particular of setting the direction of rotation of the reel 17, the heating temperature of a winding zone 11, setting a timer or timer to warn the user that the loop is formed. The timer is used to warn the user that the optimal heating time for the loop has ended and that he can extract the loop. The timer is triggered during the rotation of the winder, at the start or at the end. The gripping means are a single handle illustrated here but could alternatively be a set of two handles pivoting towards each other.

La figure 2 illustre plus particulièrement une vue en perspective de l'appareil selon l'invention avec les éléments internes de son boîtier permettant de comprendre le fonctionnement de l'appareil. Le boîtier 10 comprend un mandrin 12 présentant un axe de révolution (R) et une paroi intérieure 13 entourant substantiellement le mandrin 12. Le boîtier 10 présente en outre une ouverture d'introduction 15 de la mèche formée au travers de la paroi intérieure 13 et une ouverture d'extraction 16 de la boucle formée au travers de la paroi intérieure 13 à l'extrémité libre du mandrin 12. Tel que visible à la figure 11, ladite ouverture d'introduction 15 présente une largeur 161 nécessaire à l'insertion de la mèche.The picture 2 more particularly illustrates a perspective view of the apparatus according to the invention with the internal elements of its casing making it possible to understand the operation of the apparatus. The housing 10 comprises a mandrel 12 having an axis of revolution (R) and an inner wall 13 substantially surrounding the mandrel 12. The housing 10 further has an opening 15 for introducing the bit formed through the inner wall 13 and an extraction opening 16 of the loop formed through the inner wall 13 at the free end of the mandrel 12. As seen in figure 11 , said insertion opening 15 has a width 161 necessary for inserting the wick.

Tel que visible à la figure 2, l'appareil comprend dans la paroi intérieure 13 un élément rotatif dit « enrouleur » 17 permettant l'enroulement d'une mèche de cheveux autour du mandrin 12. Ledit enrouleur 17 présente une extrémité entrainée liée en rotation à un entraineur 18 et une extrémité libre 210 à proximité de l'ouverture d'extraction 16. Ledit entraineur 18 ayant une forme de disque est entrainé en rotation par le moteur 31 via le système de transmission 32.As seen at figure 2 , the device comprises in the inner wall 13 a rotating element called "winder" 17 allowing the winding of a lock of hair around the mandrel 12. Said winder 17 has a driven end connected in rotation to a driver 18 and an end free 210 near the extraction opening 16. Said coach 18 having a disc shape is driven in rotation by the motor 31 via the transmission system 32.

La figure 3 illustre l'intérieur du boîtier 10 sous un autre angle. Ladite paroi intérieure 13 comprend une portion de cylindre 13' avec un diamètre suffisamment grand afin d'entourer à la fois le mandrin 12 et l'enrouleur 17 tout en laissant un espace par rapport à l'enrouleur 17. L'enrouleur 17 tel qu'illustré à la figure 3 comprend d'une part un socle 20 lié en rotation à l'entraineur 18, et d'autre part un corps creux 21 ayant une surface d'un corps de révolution (surface conique à la figure 3) d'une courbe longitudinale dans le sens du mandrin. Par conséquent, ledit corps creux 21 entoure au moins partiellement et dans sa longueur le mandrin 12. L'espace formé entre l'intérieur du corps creux 21 et le mandrin 12 est appelé ici une chambre d'enroulement intérieure 40 ; L'espace formé par l'intérieur de la paroi intérieure 13 et l'extérieur du corps creux 21 est appelé ici une chambre d'enroulement extérieure 50. En effet, la chambre d'enroulement est définie par rapport au corps creux 21, et est divisée fonctionnellement en deux chambres permettent l'enroulement rapide et efficace de la mèche : lesdites chambre d'enroulement intérieure 40 et chambre d'enroulement extérieure 50. La chambre d'enroulement intérieure 40 et la chambre d'enroulement extérieure 50 sont sensiblement concentriques audit axe de révolution (R).The picture 3 illustrates the interior of housing 10 from another angle. Said inner wall 13 comprises a portion of cylinder 13' with a diameter large enough to surround both the mandrel 12 and the winder 17 while leaving a space with respect to the winder 17. The winder 17 as illustrated at picture 3 comprises on the one hand a base 20 linked in rotation to the driver 18, and on the other hand a hollow body 21 having a surface of a body of revolution (conical surface at the picture 3 ) of a longitudinal curve in the direction of the mandrel. Consequently, said hollow body 21 surrounds at least partially and in its length the mandrel 12. The space formed between the interior of the hollow body 21 and the mandrel 12 is called here an inner winding chamber 40; The space formed by the inside of the inner wall 13 and the outside of the hollow body 21 is here called an outer winding chamber 50. Indeed, the winding chamber is defined with respect to the hollow body 21, and is functionally divided into two chambers allow the fast and efficient winding of the wick: said inner winding chamber 40 and outer winding chamber 50. The inner winding chamber 40 and the outer winding chamber 50 are substantially concentric to said axis of revolution (R).

La première catégorie de modes de réalisation est illustrée aux figures 5 à 7 :
Selon un premier mode de réalisation de ladite première catégorie tel qu'illustré à la figure 5, un enrouleur 17' comprend un corps creux 21' ayant une surface d'un cylindre de révolution. Ledit corps creux 21' étant agencé entre le mandrin 12 et la paroi intérieure, la distance d1 d'espacement radial entre le corps creux 21' et le mandrin 12 est comprise entre 3mm et 8mm, de préférence 5mm, et la distance d4 d'espacement radial entre le corps creux 21' et la paroi intérieure est comprise entre 4mm et 9mm, de préférence 7mm. Le corps creux 21' cylindrique a un diamètre compris entre 36mm et 38mm, de préférence 37,3mm et une longueur comprise entre 30mm et 33mm, de préférence 31,5mm.The first category of embodiments is illustrated in figures 5 to 7 :
According to a first embodiment of said first category as illustrated in figure 5 , a winder 17' comprises a hollow body 21' having a surface of a cylinder of revolution. Said hollow body 21' being arranged between the mandrel 12 and the inner wall, the distance d1 of radial spacing between the hollow body 21' and the mandrel 12 is between 3mm and 8mm, preferably 5mm, and the distance d4 of radial spacing between the hollow body 21 'and the inner wall is between 4mm and 9mm, preferably 7mm. The cylindrical hollow body 21' has a diameter comprised between 36mm and 38mm, preferably 37.3mm and a length comprised between 30mm and 33mm, preferably 31.5mm.

Tel que visible à la figure 5, l'enrouleur 17' présente à l'extrémité libre 210' une ouverture 6' destinée à laisser passer la mèche de cheveux vers la chambre d'enroulement intérieure 40. La projection de l'ouverture 6' a une forme de demi cercle qui est symétrique par rapport à un plan de symétrie (P) passant par l'axe de révolution (R). Ladite ouverture 6' est agencée en face de l'ouverture d'introduction 15 en position repos.As seen at figure 5 , the winder 17' has at the free end 210' an opening 6' intended to allow the lock of hair to pass towards the inner winding chamber 40. The projection of the opening 6' has the shape of a semi-circle which is symmetrical with respect to a plane of symmetry (P) passing through the axis of revolution (R). Said opening 6' is arranged opposite the introduction opening 15 in the rest position.

Par ailleurs, l'enrouleur 17' présente à l'avant de l'ouverture 6' et au bord du corps creux 21' deux crochets 19, 19' de part et d'autre orientés protubérants et s'étendant vers l'extérieur du corps creux 21'. Les crochets 19, 19' sont agencés l'un en regard de l'autre et sont symétriques par rapport au plan de symétrie (P).Furthermore, the retractor 17' has at the front of the opening 6' and at the edge of the hollow body 21' two hooks 19, 19' on either side oriented protruding and extending towards the outside of the hollow body 21'. The hooks 19, 19' are arranged facing each other and are symmetrical with respect to the plane of symmetry (P).

La largeur a1 de l'ouverture 6' est comprise entre 16mm et 18mm, de préférence 17,5mm et la profondeur b1 de l'ouverture 6' est comprise entre 11mm et 13mm, de préférence 12,5mm.The width a1 of the opening 6' is between 16mm and 18mm, preferably 17.5mm and the depth b1 of the opening 6' is between 11mm and 13mm, preferably 12.5mm.

Le corps creux 21' a donc une forme régulière avec un diamètre constant et une faible ouverture en avant du corps creux 21' pour un enroulement vers l'avant du mandrin 12.The hollow body 21' therefore has a regular shape with a constant diameter and a small opening in front of the hollow body 21' for rolling the mandrel 12 forwards.

Un deuxième mode de réalisation de ladite première catégorie est illustré à la figure 6. Il s'agit du même enrouleur 17' que dans le premier mode de réalisation sauf que celui-ci présente une ouverture 6 différente qui présente une forme de trapèze d'isocèle dont les base B', b' sont orthogonales à l'axe (R) avec la petite base b' à l'avant de l'ouverture 6.A second embodiment of said first category is illustrated in figure 6 . This is the same winder 17' as in the first embodiment except that it has a different opening 6 which has the shape of an isosceles trapezium whose bases B', b' are orthogonal to the axis ( R) with the small base b' at the front of opening 6.

La longueur a2 de la grande base B' du trapèze est comprise entre 20mm et 23mm, de préférence 21,7mm, la hauteur b2 du trapèze est comprise entre 19mm et 22mm, de préférence 20,1mm et l'angle de la grande base α' est compris entre 78° et 82°, de préférence 80°.The length a2 of the large base B' of the trapezium is between 20mm and 23mm, preferably 21.7mm, the height b2 of the trapezoid is between 19mm and 22mm, preferably 20.1mm and the angle of the large base α 'is between 78° and 82°, preferably 80°.

Les mêmes crochets 19, 19' sont disposés à l'avant de l'ouverture 6 et au bord du corps creux 21'. La largeur de l'ouverture a2' est comprise entre 10mm et 25mm, de préférence 20mm.The same hooks 19, 19' are placed at the front of the opening 6 and at the edge of the hollow body 21'. The width of the opening a2' is between 10mm and 25mm, preferably 20mm.

Le corps creux 21' a donc une forme régulière avec un diamètre constant et une ouverture plus importante vers l'avant du corps creux. Cette ouverture a une forme trapézoïdale pour que la mèche de cheveux soit attirée et enroulée le plus rapidement possible vers l'arrière du mandrin 12 et qu'elle soit répartie de manière la plus uniforme possible autour de la longueur du mandrin 12.The hollow body 21' therefore has a regular shape with a constant diameter and a larger opening towards the front of the hollow body. This opening has a trapezoidal shape so that the lock of hair is attracted and rolled up as quickly as possible towards the back of the mandrel 12 and that it is distributed as evenly as possible around the length of the mandrel 12.

La deuxième catégorie de modes de réalisation est illustrée aux figures 8-10 :
Le corps creux 21 de l'enrouleur 17 comprend une première partie qui est une base 21a de forme cylindrique reliée à l'entraineur 18 et une deuxième partie présentée sous une forme d'un tronc de cône 21b de révolution d'axe de révolution (R). Ledit tronc de cône présente une extrémité resserrée 171 au mandrin 12 et une extrémité évasée 172 par rapport au mandrin 12. Le diamètre c de la base 21a est compris entre 27mm et 31mm, de préférence 29mm et la longueur d du cône est compris entre 34mm et 38mm, de préférence 36,2mm. Le rapport entre le diamètre c de l'extrémité resserrée 171 et la longueur d du cône est compris entre 0,6 et 1, de préférence entre 0,78 et 0,82, par exemple 0,801. L'angle de cône β est compris entre 10° et 30°, de préférence 20°.The second category of embodiments is illustrated in figures 8-10 :
The hollow body 21 of the winder 17 comprises a first part which is a base 21a of cylindrical shape connected to the trainer 18 and a second part presented in the form of a truncated cone 21b of revolution of axis of revolution ( R). Said truncated cone has a constricted end 171 to the mandrel 12 and a flared end 172 with respect to the mandrel 12. The diameter c of the base 21a is between 27mm and 31mm, preferably 29mm and the length d of the cone is between 34mm and 38mm, preferably 36.2mm. The ratio between the diameter c of the constricted end 171 and the length d of the cone is between 0.6 and 1, from preferably between 0.78 and 0.82, for example 0.801. The cone angle β is between 10° and 30°, preferably 20°.

La distance d2 d'espacement radial entre l'extrémité resserrée 171 et le mandrin 12 est comprise entre 3 et 3,5mm, de préférence 3,2mm. La distance d3 d'espacement radial entre l'extrémité évasée 172 et le mandrin 12 est comprise entre 6mm et 9mm, de préférence 7,5mm.The radial spacing distance d2 between the constricted end 171 and the mandrel 12 is between 3 and 3.5 mm, preferably 3.2 mm. The distance d3 of radial spacing between the flared end 172 and the mandrel 12 is between 6mm and 9mm, preferably 7.5mm.

Selon cette deuxième catégorie de modes de réalisation, l'enrouleur 17 présente à l'avant du tronc de cône 21b une ouverture 6 présentant une forme de trapèze d'isocèle dont les base B, b sont orthogonales à l'axe (R) avec la petite base b à l'avant de l'ouverture 6.According to this second category of embodiments, the retractor 17 has at the front of the truncated cone 21b an opening 6 having the shape of an isosceles trapezium whose bases B, b are orthogonal to the axis (R) with the small base b at the front of the opening 6.

La longueur a3 de la grande base B du trapèze est comprise entre 22mm et 25mm, de préférence 23,5mm, la hauteur b3 du trapèze est comprise entre 35mm et 38mm, de préférence 36,2mm et l'angle de la grande base α est compris entre 82° et 88°, de préférence 85,4°.The length a3 of the large base B of the trapezium is between 22mm and 25mm, preferably 23.5mm, the height b3 of the trapezium is between 35mm and 38mm, preferably 36.2mm and the angle of the large base α is between 82° and 88°, preferably 85.4°.

La distance b" entre les extrémités des crochets est comprise entre 6mm et 20mm, de préférence 16mm. Le rapport entre cette distance b" et la largeur 161 de l'ouverture d'introduction 15 est compris entre 2 et 3, de préférence 2,67.The distance b" between the ends of the hooks is between 6mm and 20mm, preferably 16mm. The ratio between this distance b" and the width 161 of the introduction opening 15 is between 2 and 3, preferably 2, 67.

L'enrouleur prend donc un aspect conique par un diamètre à sa base le plus resserré possible autour du mandrin chauffant. Ce diamètre à la base est alors plus faible que le diamètre à l'avant. La forme conique du cylindre permet d'avoir un volume disponible à l'extérieur du cône pour l'enroulement de la mèche dans la chambre d'enroulement extérieure, et un volume suffisant à l'intérieur du cône vers l'avant du mandrin pour l'enroulement de la mèche dans la chambre d'enroulement intérieure.The winder therefore takes on a conical appearance with a diameter at its base that is as tight as possible around the heating mandrel. This diameter at the base is then smaller than the diameter at the front. The conical shape of the cylinder makes it possible to have a volume available outside the cone for winding the bit in the outer winding chamber, and a sufficient volume inside the cone towards the front of the chuck to winding of the roving in the inner winding chamber.

L'angle du cône du cylindre impacte l'angle du trapèze : plus le cône a un angle important, moins l'angle du trapèze a besoin d'être prononcé. La distance faible entre le point d'enroulement (le coin du trapèze) et le mandrin chauffant est un critère important pour que la mèche soit enroulée le plus serré possible autour du mandrin. De ce fait, l'écart entre l'angle du cône (β) et l'angle de la grande base (α) du trapèze est compris entre 60° et 70°, de préférence 65,4°, l'angle de la grande base (α) du trapèze étant plus grand.The angle of the cylinder's cone impacts the angle of the trapezoid: the steeper the cone, the less steep the trapezium angle needs to be. The small distance between the winding point (the corner of the trapezoid) and the heating mandrel is an important criterion for the wick to be wound as tightly as possible around the mandrel. Therefore, the difference between the angle of the cone (β) and the angle of the large base (α) of the trapezium is between 60° and 70°, preferably 65.4°, the angle of the large base (α) of the trapezium being larger.

En revanche, L'ouverture en trapèze doit être prononcée, mais ne doit pas dévoiler une partie trop importante du mandrin chauffant, la mèche étant enroulée dans la chambre d'enroulement « extérieure » risquant de freiner par frottement la rotation, et ou de créer des nœuds.On the other hand, the trapeze opening must be pronounced, but must not revealing too much of the heated mandrel, the wick being wound in the "external" winding chamber risking slowing down the rotation by friction, and or creating knots.

De manière générale, l'enrouleur 17, 17' possède une épaisseur régulière qui est comprise entre 1,2 mm et 3 mmm, de préférence 2 mm.In general, the reel 17, 17' has a regular thickness which is between 1.2 mm and 3 mmm, preferably 2 mm.

Tel que visible aux figures 15 et 16 et selon une caractéristique de l'ouverture, le corps creux 21 présente sur l'arête de l'ouverture 6 un bourrelet 61 s'étendant vers l'extérieur du corps creux 21. Cette configuration peut s'appliquer à toute forme de corps creux et d'ouverture comme décrit précédemment.As seen at figures 15 and 16 and according to one characteristic of the opening, the hollow body 21 has on the edge of the opening 6 a bead 61 extending towards the outside of the hollow body 21. This configuration can be applied to any shape of hollow body and opening as previously described.

Selon l'invention, un élément chauffant peut être mis en place, par exemple une ou plusieurs résistances électriques, l'élément chauffant pouvant être agencé à l'intérieur du mandrin 12 et/ou dans la paroi intérieure 13. Un mode de réalisation possible des moyens de chauffe 30 est illustré en figure 4 : le mandrin 12 seul renferme deux résistances électriques de forme parallélépipédique agencées de façon parallèle. Cette réalisation permet de fournir un mandrin chauffant de grand diamètre.According to the invention, a heating element can be put in place, for example one or more electrical resistors, the heating element being able to be arranged inside the mandrel 12 and/or in the inner wall 13. One possible embodiment heating means 30 is illustrated in figure 4 : the mandrel 12 alone contains two electrical resistors of parallelepipedal shape arranged in parallel. This embodiment makes it possible to provide a heating mandrel of large diameter.

Description en fonctionnement :Description in operation:

En fonctionnement, l'utilisateur met sous tension l'appareil par appui sur un des boutons 33 de la poignée 2. Une fois l'appareil chauffé, l'utilisateur va :

  • (i) introduire longitudinalement une mèche de cheveux à boucler au travers de l'ouverture d'introduction de l'appareil, comme illustré à la figure 12,
  • (ii) faire tourner l'enrouleur, un crochet sur un bord de l'enrouleur attrapant la mèche de cheveux puis, permettant à la mèche d'être enroulée à la fois dans les chambres d'enroulement intérieure et extérieure, comme illustré à la figure 13,
  • (iii) continuer la rotation de l'enrouleur pour que toute la partie de la mèche qui se trouve enroulée dans la chambre d'enroulement extérieure soit déplacée et enroulée dans la chambre d'enroulement intérieure, comme illustré à la figure 14.
In operation, the user turns on the device by pressing one of the buttons 33 of the handle 2. Once the device has been heated, the user will:
  • (i) inserting a lock of hair to be curled longitudinally through the insertion opening of the appliance, as illustrated in figure 12 ,
  • (ii) rotating the winder, a hook on one edge of the winder catching the lock of hair then, allowing the lock to be rolled up into both the inner and outer winding chambers, as shown in figure 13 ,
  • (iii) continue the rotation of the winder so that all the part of the roving that is wound in the outer winding chamber is moved and wound in the inner winding chamber, as illustrated in figure 14 .

Une fois que la mèche est totalement enroulée dans la chambre d'enroulement intérieure entre le mandrin chauffant et l'enrouleur, l'enrouleur arrête sa rotation et la mèche reste statique quelques secondes, le temps d'être chauffée et formée.Once the wick is completely wound in the interior winding chamber between the heating mandrel and the winder, the winder stops its rotation and the wick remains static for a few seconds, the time to be heated and formed.

Et enfin, l'utilisateur déplace l'appareil loin de sa tête et la mèche est « démoulée » bouclée.And finally, the user moves the device away from his head and the wick is “released” curled.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné 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 in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (10)

  1. Apparatus (1) for curling a lock of hair comprising:
    - a gripping means (2),
    - a housing (10) attached to the gripping means and having an inner wall (13), said housing (10) comprising:
    - a mandrel (12) attached to the housing (10) by one of the ends thereof and substantially surrounded by the inner wall (13),
    - an insertion opening (15) for inserting the lock of hair, said insertion opening (15) being formed through the inner wall (13) and an extraction opening (16) for extracting the curl, said extraction opening (16) being formed through the inner wall (13) at the free end of the mandrel (12),
    - a winder (17, 17') capable of being driven in rotation about the mandrel (12) intended to wind the lock of hair about the mandrel (12), said winder (17, 17') comprising a hollow body (21, 21')
    - having a surface of a body of revolution,
    - forming with the inner wall (13) an outer winding chamber (50) outside of the hollow body (21, 21') into which the lock of hair is inserted through the insertion opening (15),
    said winder (17, 17') surrounding the mandrel (12) at least partially along the length thereof in order to form therewith an inner winding chamber (40) inside the hollow body (21, 21') from which the curled lock of hair can leave the apparatus (1) through said extraction opening (16),
    said hollow body (21, 21') having, on the free end (210, 210') thereof, an opening (6, 6') intended to allow the lock of hair to move to the inner winding chamber (40),
    characterised in that said hollow body (21) comprises at least one part having a revolving frustoconical shape (21b) of axis of revolution (R) having a narrowed end (171) relative to the mandrel (12) and a flared end (172) relative to the mandrel (12).
  2. Apparatus according to the previous claim, characterised in that said mandrel (12) has a cylindrical shape with an axis of revolution (R) and in that said inner winding chamber (40) and the outer winding chamber (50) are substantially concentric to said axis of revolution (R).
  3. Apparatus according to one of the previous claims, characterised in that the radial distance (d2) of the space between the narrowed end (171) of the hollow body (21) and the mandrel (12) lies in the range 2.5 mm to 4 mm, preferably in the range 3 mm to 3.5 mm.
  4. Apparatus according to one of the previous claims, characterised in that the angle of the cone (β) lies in the range 5° to 30°, preferably in the range 19° to 21°.
  5. Apparatus according to one of the previous claims, characterised in that the winder (17, 17') has, at the front of the opening (6, 6'), and at the edge of the hollow body (21, 21'), at least one hook (19, 19') oriented such that it protrudes and extends towards the outside of the winder 17, 17' intended to grasp a lock of hair.
  6. Apparatus according to the previous claim, characterised in that the winder (17, 17') has, at the front of the opening (6, 6'), and at the edge of the hollow body (21, 21'), two hooks (19, 19') on either side thereof, said hooks (19, 19') being arranged opposite each other and are symmetrical relative to a plane of symmetry (P) passing through the axis (R).
  7. Apparatus according to the previous claim, characterised in that the ratio of the distance (b") between the ends of the hooks (19) to the width (161) of the insertion opening lies in the range 2 to 3, preferably 2.67.
  8. Apparatus according to one of the previous claims, characterised in that the hollow body (21, 21') has, on the rim of the opening (6, 6'), a ridge (61) extending towards the outside of the hollow body (21, 21').
  9. Apparatus according to one of the previous claims, characterised in that it comprises heating means (30) for heating the winding chambers that are arranged in said mandrel (12).
  10. Method for using an apparatus for curling a lock of hair according to claim 5, characterised in that it comprises the following steps:
    - (i) inserting a lock of hair to be curled longitudinally through the insertion opening of the appliance,
    - (ii) rotating the winder, a hook on an edge of the winder grasping the lock of hair then, allowing the lock of hair to be wound inside both the inner and outer winding chambers,
    - (iii) continuing to rotate the winder so that the entire portion of the lock of hair wound inside the outer winding chamber is moved and wound inside the inner winding chamber.
EP16172027.1A 2015-06-05 2016-05-30 Electric hair-styling apparatus Active EP3100633B2 (en)

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FR1555150A FR3036929B1 (en) 2015-06-05 2015-06-05 ELECTRIC HAIRSTONING APPARATUS

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ES (1) ES2664941T5 (en)
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CN104544881A (en) 2014-11-27 2015-04-29 新联电器厂有限公司 Curly hair styling device
DE202014010130U1 (en) 2014-12-24 2015-01-27 Actervis Gmbh Device for creating curls
CN104665196B (en) * 2015-03-13 2017-07-11 温州市拉博电器有限公司 A kind of curler

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CN206079456U (en) 2017-04-12
FR3036929B1 (en) 2018-10-26
RU2016121382A3 (en) 2019-07-24
CN106235579A (en) 2016-12-21
EP3100633A1 (en) 2016-12-07
FR3036929A1 (en) 2016-12-09
ES2664941T5 (en) 2022-05-10
RU2700918C2 (en) 2019-09-23
RU2016121382A (en) 2017-12-05
EP3100633B1 (en) 2018-03-07
ES2664941T3 (en) 2018-04-24

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