WO2023002044A1 - Vibrating hair straightener with integrated hair care product - Google Patents

Vibrating hair straightener with integrated hair care product Download PDF

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Publication number
WO2023002044A1
WO2023002044A1 PCT/EP2022/070692 EP2022070692W WO2023002044A1 WO 2023002044 A1 WO2023002044 A1 WO 2023002044A1 EP 2022070692 W EP2022070692 W EP 2022070692W WO 2023002044 A1 WO2023002044 A1 WO 2023002044A1
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WO
WIPO (PCT)
Prior art keywords
hair
straightener
iron
refill
straightening
Prior art date
Application number
PCT/EP2022/070692
Other languages
French (fr)
Inventor
Chadlie FALAH
Original Assignee
SI LARBI, Yasmina
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SI LARBI, Yasmina filed Critical SI LARBI, Yasmina
Publication of WO2023002044A1 publication Critical patent/WO2023002044A1/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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
    • A45D1/14—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws the jaws being separable from each other
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D2001/008—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with vapor generation, e.g. steam
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/15—Temperature
    • A45D2200/155—Heating or cooling means, i.e. for storing or applying cosmetic products at a predetermined temperature
    • 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
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/20—Additional enhancing means
    • A45D2200/207—Vibration, e.g. ultrasound

Definitions

  • the present invention belongs to the field of hairdressing and hair treatment devices and utensils, in particular hair straighteners, and relates more particularly to a vibrating straightener with integrated hair care.
  • the present invention finds a direct, but not exclusive, application in the field of steam straighteners and flat heating plates.
  • straighteners are provided with two heating plates placed opposite each other on two articulated arms, between which the strands of hair can be placed in order to be straightened or curled.
  • the shape of the hair can be fixed for a while until the humidity returns it to its original state.
  • straighteners or curling irons are more popular than ever. They have become the center of consumer interest, both in hairdressing salons and in mass distribution.
  • straighteners With different technologies depending on the main function sought (straightening, curling, hair maintenance, heat quality, ergonomics, etc.).
  • straighteners Whatever their type (classic flat plate, straightener-curler, rotary, steam, etc.), straighteners give satisfactory results because they operate at very high temperatures (up to 230°C), in particular to achieve Brazilian straightening.
  • at least one heating plate be movable, by being spring-mounted for example, in order to reduce the pinching of the hair and to compensate for the irregular and sometimes abrupt movement of the user's hand. during smoothing.
  • a conventional protocol consists in applying the following steps in order: shampoo; apply the rinse-out treatment; rinse and detangle; towel dry the hair; on towel-dried hair, apply and mix the appropriate treatment on the lengths and ends; disentangle; to dry ; using a comb, take a wick thin a few centimeters wide, comb it then place it between the heating plates.
  • Some recent straightener models offer to distribute the hair care by an applicator integrated into the straightening iron. Such applicators sometimes result in an abundant distribution of the product, so that the product melts and is driven onto the lock by the pressure of the iron which wrings the hair during the straightening passages. This results in heavy drips along the iron which can cause malfunctions if water or hair care product enters the electrical part of the iron.
  • document EP3086687A2 (L'OREAL and SEB) describes a straightening iron comprising a reservoir of cosmetic product which must be applied, the reservoir being removably inserted into a housing provided for this purpose. This solution makes the iron considerably heavier and makes it uncomfortable and inaccurate to use.
  • Document W02020187646A1 (L'OREAL and SEB) describes an applicator that can be removably mounted on the straightening iron. This applicator is intended to be moved between the iron and a remote tank, which poses a hygiene problem because the product risks running into the work space and dirtying the straightener itself.
  • the present invention aims to overcome the drawbacks of the prior art set out above and proposes a high-tech steam straightener providing hair care for delicate straightening of the hair, by enhancing it without attacking it.
  • the subject of the present invention is an electric hair straightener, making it possible to temporarily fix the shape of hair by applying heat and comprising a straightening iron formed of two articulated arms provided with facing heating plates, a reservoir of water separated from the straightening iron and a cord connecting said tank to said iron to convey the water before it is transformed into steam by a steam generator, the arms being movable with respect to each other between an open position allowing a lock of hair to be placed between the heating plates and a closed position allowing the previously placed lock of hair to be pinched with said plates.
  • This straightener is remarkable in that the straightening iron has an activatable vibrator to vibrate the plates heaters, and in that the water reservoir comprises a removable cosmetic product refill. The removable refill can also be filled with water.
  • the straightener according to the invention provides gentle smoothing, improved both by vibrations which minimize hair breakage and by the automatic application of hair care during straightening.
  • the results obtained correspond to a standard of high hairdressing and allow the user to avoid the difficulty of long sessions at the hairdresser and the corresponding costs.
  • the vibrator is an electric vibration motor fixed inside an arm of the hair straightener, preferably the upper arm for its lightness compared to the lower arm, the latter comprising the steam generator , so as to produce sufficient vibrations at the level of the heating plates with a lower energy expenditure.
  • the vibrations generated result, for example, in an oscillatory movement of each plate in the two directions perpendicular to the longitudinal axis of said plate. Therefore, a circular movement of the plates can be obtained, similar to massage movements.
  • the vibrator is placed in a cage secured to the arm to eliminate the undesirable effects linked to the inertia of said vibrator and to reduce its sound noise.
  • the straightener comprises at least one button for adjusting the frequency of the vibrations generated by the vibrator between different frequency levels. This button is preferably placed on the straightener.
  • the straightener comprises a digital display screen on which can be displayed, among other things, information relating to the state of the vibrator.
  • the cosmetic product refill is fixed on the water tank by interlocking, with a longitudinal sliding movement for example. More particularly, the refill can be inserted into the reservoir via an upper face of the latter and into a housing provided for this purpose.
  • the refill comprises a gripping means facilitating its fixing in the reservoir and especially its removal from the latter.
  • the refill is a disposable cartridge.
  • the water tank comprises a pump whose inlet and outlet are connected to a dispensing nozzle communicating with the interior of the refill and to the steam cord respectively.
  • the refill contains a cosmetic product based on keratin and/or hyaluronic acid such as hair botox.
  • FIG. 1 a perspective view of a straightener with its straightening iron and its water tank according to one embodiment of the invention
  • FIG. 2 a perspective view of the straightener with the steam cord and the power supply cord;
  • FIG. 3a a perspective view of the straightening iron in an open position (default position);
  • FIG. 3b a perspective view of the straightening iron in a closed position
  • FIG. 7a a front perspective view of the water tank
  • - Figure 7b a rear perspective view of the water reservoir showing the cosmetic product refill
  • - Figure 8 a perspective view of the isolated cosmetic product refill
  • FIG. 9 a partial perspective view of the tank revealing the pump
  • FIG. 11 a perspective view of the tank without its base, focused on the dispensing nozzle connected to the refill;
  • FIG. 12 a perspective view of the tank without the refill
  • FIG. 13 a perspective view of the refill turned on its underside.
  • the expression “straightening iron” designates a manual device for straightening the hair mainly comprising two heating plates between which the locks of hair are placed in order to be straightened
  • the term “straightener” designates laconically in the context of the invention a straightening iron of the steam type and its water reservoir.
  • FIG. 1 represents the main elements of a straightener 100 according to a preferred embodiment of the invention, namely a straightening iron 10 and a water reservoir 20.
  • the connecting elements comprising a steam cord and optionally a power cord, are not shown in this figure.
  • the straightening iron 10 is connected to the water reservoir 20 by means of a so-called steam cord which makes it possible to convey the water from the reservoir to the iron.
  • the power supply to straightener 100 can be provided by connection to the mains via an electric cable or independently with a battery placed, preferably, in the base of tank 20.
  • Figure 2 reveals a steam cord 30 connecting the straightening iron 10 to the water tank 20 and represents an embodiment in which said tank is provided with a power supply cable 40 to be connected to the mains.
  • the straightener 100 has been designed in an optimized way for a better user experience, in particular with regard to the result of straightening, handling and ergonomics. Indeed, the straightener 10 is vibrating and does not incorporate either the water tank or the cosmetic product refill. As a result, the water tank 20 is separated from the iron and can receive refills (or cartridges) of cosmetic products such as hair care. Thus, the straightening iron 10 is made lighter so as not to cause discomfort during its use, especially when use is prolonged over time, and the water reservoir 20 is made heavier to improve its stability compared to some tanks of existing straightener models known to be unstable.
  • the straightening iron 10 is formed of two articulated arms, an upper arm 11 and a lower arm 12, mounted in pivot connection around an axis 13 substantially perpendicular to an axis of extension of each arm.
  • the arms 11 and 12 are articulated at their distal ends, located near the arrival of the steam cord 30.
  • the arms 11 and 12 are equipped with two heating plates 111 and 121 respectively, arranged facing each other so as to be able to pinch the locks of hair during straightening following normal handling of the straightening iron 10.
  • the straightening iron 10 has two positions of use, an open position allowing the lock of hair to be introduced between the heating plates 111 and 121, and a closed position allowing said plates to be applied against the lock of hair.
  • the straightening iron 10 is by default in the open position and pressure on the arms 11 and 12 then makes it possible to bring it into an elastically constrained closed position. Releasing this pressure brings the iron back to the open position under the action of a torsion spring.
  • FIG. 3a represents the straightening iron 10 in the open position, in which the two arms 11 and 12 are separated from each other angularly around the axis of the pivot 13.
  • the maximum angular deviation allowed corresponds to the position by default of the straightening iron 10 and must be sufficient for the introduction of a lock of hair of a few centimeters between the plates 111 and 121, while allowing secure manual gripping of the iron 10 by tightened portions of the arms 11 and 12 located upstream of said plates.
  • FIG. 3b represents the straightening iron 10 in the closed position, in which the heating plates 111 and 121 are applied one against the other, so that when a lock of hair is gripped between said plates, those -these exert sufficient pressure which, together with the transmitted heat, temporarily fixes the shape of the wick for a smooth overall effect.
  • the hair treatment in particular with the vibrations of the straightening iron 10 will be detailed below.
  • the straightening iron 10 further comprises electronic means of command and power control, a digital display screen, control buttons, a steam generator and a vibrator.
  • FIG. 4 shows an exploded view of the straightening iron 10 according to an exemplary embodiment and makes it possible to visualize its essential components described below.
  • the shell of the upper arm 11 consists of two assembled half-shells, an outer half-shell 11a and a lower half-shell 11b.
  • the shell of the lower arm 12 consists of two assembled half-shells, an outer half-shell 12a and an inner half-shell 12b.
  • the half-shells are assembled in a removable manner by suitable fastening means such as screws or by clipping.
  • the half-shells of each arm can also be assembled permanently or manufactured in one piece by molding, additive manufacturing or any other appropriate process.
  • Each half-shell of the straightening iron 10 is shaped to receive specific elements in a compact configuration. For example, openings are made in the inner half-shells 11b and 12b to receive the upper 111 and lower 121 heating plates.
  • the straightening iron 10 also comprises heating elements 112 and 122 which are in contact with the plates 111 and 121.
  • the heating elements 112 and 122 can be of the type with a positive temperature coefficient PTC (Positive Temperature Coefficient) or metal-ceramic heaters MCH (Metal Ceramic Heater) depending on the nature of the plates 111 and 121.
  • the plates 111 and 121 can be made of ceramic, tourmaline or titanium. Each of the aforementioned materials has its own characteristics which give the hair a particular result. For example, ceramic plates allow even heat distribution and therefore facilitate straightening. Whatever the technology used to make the plates and their heating elements, the straightening iron 10 offers adjustment of the temperature of the plates to best adapt to each type of hair.
  • the straightening iron 10 also comprises a steam generator 151 connected to the water tank 20 and making it possible to produce steam by heating the water coming from the said tank and to evacuate it through orifices provided for this purpose.
  • the steam generator 151 is arranged in the lower arm 12 so that its orifices open out through the steam outlets 125 of said lower arm.
  • a thermally insulating membrane 152 preferably made of polymer material, is stored between the orifices of the steam generator 151 and the shell of the lower arm 12 to protect the latter from the hot surfaces of the steam generator.
  • other insulating parts are shaped and placed appropriately to isolate the hot parts of the straightening iron.
  • the steam generator 151 can be heated by its own means or by the heating element 122 with which it can be in contact.
  • the combined effect of the heat from the plates and the flow of steam improves the straightening result by maintaining hydration of the fiber and promoting the penetration of heat deep into the lock of hair to avoid overheating of the superficial fibers.
  • the straightening iron 10 is vibrating and comprises for this purpose a vibrator 16 which makes it possible to produce weak oscillations at the level of the plates 111 and 121 to limit the breakage of hair during straightening.
  • the vibrator 16 is for example a vibrating electric motor integral with the shell of the straightening iron 10.
  • FIG. 5 shows the straightening iron 10 with the outer half-shell of the upper arm 11 transparent to reveal the vibrator 16, the latter being placed in a suitable cage 116.
  • the cage 116 consists of two complementary parts, each being made in the structure of a half-shell of the upper arm 11.
  • FIG. 6 represents the straightening iron 10 without the outer half-shell of the upper arm 11, on which one can see the vibrator 16 placed in a first half of the cage 116, said half being made in the structure of the half-shell interior.
  • the vibrator cage can be independent of the structure of the shell of the arm and attached in situ by fixing and/or damping means adapted to modify the mode of propagation of the vibrations generated in the structure of the hair straightener and thus optimize their effect for smoothing.
  • the vibrator cage can also be made of an acoustically insulating material in order to limit the noise of the vibrator in operation as much as possible.
  • the vibrations generated by the vibrator 16 can be adjusted in frequency and/or in amplitude by means of a specific variator incorporated in the electronic means of control of the straightening iron 10.
  • the corresponding adjustment can be carried out via one or more dedicated buttons 143.
  • a single button 143 may be provided for adjusting the intensity of the vibrations, the latter allowing a level of vibration to be chosen from among several levels (low, medium and high for example).
  • the electronic means for controlling the straightening iron 10 comprise at least one electronic card 141 provided with the necessary equipment for the operation of all the electrical components of said iron.
  • a digital display screen 142 is provided to display temperature, vibration, error messages or other information.
  • the straightener 10 as described therefore allows thermally controlled steam straightening by adjusting the temperature of the heating plates and mechanically by adjusting the vibrations of said plates, to provide the hair with movement and a neat treatment almost imitating a delicate massage. .
  • the straightener 100 allows you to provide real hair care by applying of a cosmetic product on the hair during straightening, thanks to the water tank 20 and its care refill 21.
  • FIGS. 7a and 7b represent the water reservoir 20 and its care refill 21.
  • the water reservoir 20 comprises a shell 22 of generally cylindrical shape with a substantially elliptical base, in which a housing is provided to receive the refill 21 by longitudinal sliding from an upper face 221 of said shell.
  • the refill 21 can be mounted on the reservoir 20 in another way, by lateral sliding, by clamping, etc.
  • FIG. 8 represents the care refill 21 isolated, comprising at its upper part a gripping means 211 to facilitate its attachment to the reservoir 20 and its removal therefrom.
  • Refill 21 has a shape and dimensions adapted to fit perfectly into the housing of refill 20 provided for this purpose.
  • the care refill 21 can contain any type of hair care, especially based on proteins such as keratin as well as other chemical compounds such as hyaluronic acid.
  • the treatment can be hair botox.
  • the care contained in refill 21 is preferably in liquid or creamy form and is able to be evaporated, or at least vaporized if its boiling temperature is higher than the boiling point of water.
  • the care is liquid and of the vapor-activated type, in other words comprises active agents whose effect is enhanced by the vapor.
  • Care refill 21 can be disposable or rechargeable. In all cases, the refill 21 is made of a recyclable material such as a plastic suitable for cosmetic and/or food products.
  • FIGS 9 and 10 partially represent the water tank to visualize its internal components.
  • the cosmetic product contained in the refill 21 is removed, like the water, by means of a pump 24, peristaltic for example, comprising an inlet 241, directly connected to a dispensing nozzle of the refill 21, and an outlet 242 directly connected to the steam generator of the straightening iron 10 by the steam cord 30.
  • the connection between the pump 24 and the refill 21 can be ensured by a flexible hose of small diameter placed at the level of the base 223 of the tank 20.
  • Figures 11 and 12 show the dispensing endpiece 261 which is extended by a connector 262, said connector being introduced in a sealed manner into the refill 21 to allow the passage of the liquid (water, cosmetic product or their mixture) contained in said recharge.
  • a passage 222 is provided on the shell 22 of the tank 20 for the steam cord 30 and possibly for the power cord 40.
  • the tank 20 also includes electronic control means 25 in the form of an electronic card and an on/off button 23 that can even centralize this function for the straightening iron.
  • Figure 13 shows the underside of the refill 21, on which one can see a shoulder 212 forming a stop when inserting said refill into the tank, and an opening 213 which closes with a plug and which allows filling / empty the refill.
  • a straightener according to the invention is capable of being produced in different ways depending on its purpose and the type of treatment sought for the hair.
  • the same principles of the invention can be applied to a curling iron.
  • certain elements of the straightener may be slightly modified or replaced without departing from the scope of the invention.

Abstract

The invention relates to an electric hair straightener (100), comprising a straightening iron (10) formed of two articulated arms (11, 12) provided with heating plates (111, 121), a water reservoir (20) separated from the straightening iron and a cord (30) connecting the reservoir to the iron in order to convey water before it has been converted into steam by a steam generator (151), the arms being movable with respect to one another between an open position for placing a lock of hair between the heating plates and a closed position for gripping the previously placed lock of hair with said plates, the straightening iron also having an activatable vibrator (16) for vibrating the heating plates, and the water reservoir (20) also comprising a removable cosmetic product refill (21), the straightener thus making it possible to apply a hair care product during straightening.

Description

Lisseur à cheveux vibrant avec soin capillaire intégré Vibrating hair straightener with integrated hair care
DOMAINE TECHNIQUE TECHNICAL AREA
La présente invention appartient au domaine des dispositifs et ustensiles de coiffure et de traitement capillaire, notamment des lisseurs à cheveux, et concerne plus particulièrement un lisseur vibrant avec soin capillaire intégré. La présente invention trouve une application directe, mais non exclusive, dans le domaine des lisseurs à vapeur et à plaques chauffantes planes. The present invention belongs to the field of hairdressing and hair treatment devices and utensils, in particular hair straighteners, and relates more particularly to a vibrating straightener with integrated hair care. The present invention finds a direct, but not exclusive, application in the field of steam straighteners and flat heating plates.
ÉTAT DE L’ART STATE OF THE ART
Changer la forme de ses cheveux a toujours été une pratique esthétique en vogue. Déjà à l'époque de l'Égypte ancienne, les cheveux longs et raides étaient populaires. Les femmes qui n'avaient pas la « chance » d'avoir ce type de cheveux naturels utilisaient des plaques de fer chauffées au feu pour donner à leurs cheveux la forme désirée. Mais le matériel rudimentaire disponible à l’époque pouvait causer de graves brûlures au visage et aux mains lors de la manipulation. Ce n'est qu'à la fin du 19ème siècle que les fers à lisser sont devenus plus professionnels avec l'invention d'une pince à cheveux par le coiffeur français Marcel Grateau, invention pour laquelle il s’est vu accordé le brevet américain US806386A. Ce fer permettait, par la forme arrondie de ses pinces, d’onduler les cheveux pour créer des boucles y compris sur cheveux courts. En 1909, la première version à double fer du lisseur à cheveux a été brevetée par Isaac K. Shero (US943321A). Le lisseur à double fer comporte deux fers assemblés qui peuvent être chauffés pour plaquer les cheveux. La chaleur des fers chauffés peut être utilisée pour défriser ou lisser les cheveux. Changing the shape of your hair has always been a fashionable aesthetic practice. Already in ancient Egyptian times, long, straight hair was popular. Women who were not "lucky" to have this type of natural hair used iron plates heated on fire to give their hair the desired shape. But the rudimentary equipment available at the time could cause severe burns to the face and hands during handling. It was not until the end of the 19th century that hair straighteners became more professional with the invention of a hair clip by the French hairdresser Marcel Grateau , an invention for which he was granted the patent. US806386A. This iron allowed, by the rounded shape of its clips, to wave the hair to create curls including on short hair. In 1909, the first dual-iron version of the hair straightener was patented by Isaac K. Shero (US943321A). The dual iron straightener has two irons put together that can be heated to flatten the hair. The heat from heated irons can be used to straighten or straighten hair.
Toutefois, depuis l'invention du lisseur à double fer, la fonction générale et/ou la structure des lisseurs n'ont pas subi de modifications importantes. En règle générale, les lisseurs sont pourvus de deux plaques chauffantes placées en regard sur deux bras articulés, entre lesquelles les mèches de cheveux peuvent être placées afin d’être lissées ou bouclés. Lorsque des cheveux secs entrent en contact avec le fer chaud et qu'une pression adéquate est appliquée en même temps, la forme des cheveux peut être fixée pendant un certain temps jusqu'à ce que l'humidité les ramène à leur état initial. However, since the invention of the double iron straightener, the general function and/or the structure of straighteners have not undergone significant changes. As a general rule, straighteners are provided with two heating plates placed opposite each other on two articulated arms, between which the strands of hair can be placed in order to be straightened or curled. When dry hair comes in contact with the iron hot and adequate pressure applied at the same time, the shape of the hair can be fixed for a while until the humidity returns it to its original state.
De nos jours, les fers à lisser ou à friser sont plus populaires que jamais. Ils sont devenus le centre d'intérêt des consommateurs, tant dans les salons de coiffure que dans la grande distribution. Il existe une très grande variété de lisseurs avec des technologies différentes selon la fonction principale recherchée (lissage, bouclage, entretien des cheveux, qualité de la chaleur, ergonomie, etc.). Quel que soit leur type (classique à plaques planes, lisseur-boucleur, rotatif, à vapeur, etc.), les lisseurs donnent des résultats satisfaisants car ils fonctionnent à des températures très élevées (jusqu'à 230°C), notamment pour réaliser des lissages brésiliens. Malheureusement, l'application d'une température aussi élevée de façon statique endommage les cheveux et leur donne une mauvaise sensation après utilisation. Pour surmonter ce problème, certains lisseurs proposent qu’au moins une plaque chauffante soit mobile, en étant montée sur ressort par exemple, afin d’atténuer le pincement des cheveux et de compenser le mouvement irrégulier et parfois brusque de la main de l’utilisateur lors du lissage. Nowadays, hair straighteners or curling irons are more popular than ever. They have become the center of consumer interest, both in hairdressing salons and in mass distribution. There is a very wide variety of straighteners with different technologies depending on the main function sought (straightening, curling, hair maintenance, heat quality, ergonomics, etc.). Whatever their type (classic flat plate, straightener-curler, rotary, steam, etc.), straighteners give satisfactory results because they operate at very high temperatures (up to 230°C), in particular to achieve Brazilian straightening. Unfortunately, applying such a high temperature statically damages the hair and makes it feel bad after use. To overcome this problem, some straighteners propose that at least one heating plate be movable, by being spring-mounted for example, in order to reduce the pinching of the hair and to compensate for the irregular and sometimes abrupt movement of the user's hand. during smoothing.
D’autres fers à lisser sont vibrants et permettent donc d’éviter les pressions continues exercées lors du lissage. C’est notamment le cas des solutions décrites dans les documents CN107467853A et US2015173477A1. Other hair straighteners are vibrating and therefore avoid the continuous pressure exerted during straightening. This is particularly the case for the solutions described in the documents CN107467853A and US2015173477A1.
Toutefois, ces solutions ne concernent pas l’application de soins capillaires pendant le lissage. However, these solutions do not concern the application of hair care during straightening.
En effet, il est primordial de respecter la fibre capillaire lors de traitements soutenus tels que le lissage par application de chaleur. La plupart des fabricants recommandent des produits cosmétiques à utiliser avant, parfois pendant, et après le lissage. Indeed, it is essential to respect the hair fiber during sustained treatments such as straightening by application of heat. Most manufacturers recommend cosmetic products to be used before, sometimes during, and after straightening.
Or, les protocoles d’application de ces soins restent contraignants et la présence de plusieurs contenants de produits liquides peut être problématique pour voyager en avion. However, the application protocols for this care remain restrictive and the presence of several containers of liquid products can be problematic for air travel.
Par exemple, un protocole classique consiste à appliquer dans l’ordre les étapes suivantes : shampooing ; appliquer le soin à rincer ; rincer et démêler ; essorer les cheveux ; sur cheveux essorés, appliquer et malaxer le soin adapté sur les longueurs et pointes ; démêler ; sécher ; à l’aide d’un peigne prélever une mèche fine de quelques centimètres de largeur, la peigner puis la placer entre les plaques chauffantes. For example, a conventional protocol consists in applying the following steps in order: shampoo; apply the rinse-out treatment; rinse and detangle; towel dry the hair; on towel-dried hair, apply and mix the appropriate treatment on the lengths and ends; disentangle; to dry ; using a comb, take a wick thin a few centimeters wide, comb it then place it between the heating plates.
Certains modèles de lisseurs récents proposent de distribuer le soin capillaire par un applicateur intégré au fer à lisser. De tels applicateurs entraînent parfois une distribution abondante du produit, de manière à ce que le produit fond et est entraîné sur la mèche par la pression du fer qui essore la chevelure lors des passages de lissage. Il en résulte de fortes coulures le long du fer qui peuvent provoquer des disfonctionnements si l'eau ou du produit de soin capillaire pénètre dans la partie électrique du fer. Some recent straightener models offer to distribute the hair care by an applicator integrated into the straightening iron. Such applicators sometimes result in an abundant distribution of the product, so that the product melts and is driven onto the lock by the pressure of the iron which wrings the hair during the straightening passages. This results in heavy drips along the iron which can cause malfunctions if water or hair care product enters the electrical part of the iron.
Par exemple, le document EP3086687A2 (L’OREAL et SEB) décrit un fer à lisser comprenant un réservoir de produit cosmétique qui doit être appliqué, le réservoir étant insérée de manière amovible dans un logement prévu à cet effet. Cette solution alourdit considérablement le fer et rend son utilisation inconfortable et imprécise. For example, document EP3086687A2 (L'OREAL and SEB) describes a straightening iron comprising a reservoir of cosmetic product which must be applied, the reservoir being removably inserted into a housing provided for this purpose. This solution makes the iron considerably heavier and makes it uncomfortable and inaccurate to use.
Le document W02020187646A1 (L’OREAL et SEB) décrit un applicateur pouvant être monté de façon amovible sur le fer à lisser. Cet applicateur est destiné à être déplacé entre le fer et un réservoir distant, ce qui pose un problème d’hygiène car le produit risque de couler dans l’espace de travail et de salir le lisseur lui-même. Document W02020187646A1 (L'OREAL and SEB) describes an applicator that can be removably mounted on the straightening iron. This applicator is intended to be moved between the iron and a remote tank, which poses a hygiene problem because the product risks running into the work space and dirtying the straightener itself.
PRÉSENTATION DE L’INVENTION PRESENTATION OF THE INVENTION
La présente invention vise à pallier les inconvénients de l’art antérieur exposés ci- avant et propose un lisseur à vapeur de haute technologie fournissant un soin capillaire pour un lissage délicat des cheveux, en les sublimant sans les agresser. À cet effet, la présente invention a pour objet un lisseur à cheveux électrique, permettant de fixer temporairement la forme d’une chevelure par application de chaleur et comprenant un fer à lisser formé de deux bras articulés munis de plaques chauffantes en regard, un réservoir d’eau séparé du fer à lisser et un cordon reliant ledit réservoir audit fer pour acheminer l’eau avant qu’elle ne soit transformée en vapeur par un générateur de vapeur, les bras étant mobiles l’un par rapport à l’autre entre une position ouverte permettant de placer une mèche de cheveux entre les plaques chauffantes et une position fermée permettant de pincer avec lesdites plaques la mèche de cheveux préalablement placée. Ce lisseur est remarquable en ce que le fer à lisser comporte un vibreur activable pour faire vibrer les plaques chauffantes, et en ce que le réservoir d’eau comprend une recharge amovible de produit cosmétique. La recharge amovible peut également être remplie d’eau.The present invention aims to overcome the drawbacks of the prior art set out above and proposes a high-tech steam straightener providing hair care for delicate straightening of the hair, by enhancing it without attacking it. To this end, the subject of the present invention is an electric hair straightener, making it possible to temporarily fix the shape of hair by applying heat and comprising a straightening iron formed of two articulated arms provided with facing heating plates, a reservoir of water separated from the straightening iron and a cord connecting said tank to said iron to convey the water before it is transformed into steam by a steam generator, the arms being movable with respect to each other between an open position allowing a lock of hair to be placed between the heating plates and a closed position allowing the previously placed lock of hair to be pinched with said plates. This straightener is remarkable in that the straightening iron has an activatable vibrator to vibrate the plates heaters, and in that the water reservoir comprises a removable cosmetic product refill. The removable refill can also be filled with water.
Ainsi, le lisseur selon l’invention procure un lissage tout en délicatesse, amélioré à la fois par les vibrations qui minimisent la casse des cheveux et par l’application d’un soin capillaire de façon automatique pendant le lissage. Les résultats obtenus correspondent à un standard de haute coiffure et permettent à l’utilisateur d’éviter la pénibilité de séances longues chez le coiffeur et les coûts correspondants. Thus, the straightener according to the invention provides gentle smoothing, improved both by vibrations which minimize hair breakage and by the automatic application of hair care during straightening. The results obtained correspond to a standard of high hairdressing and allow the user to avoid the difficulty of long sessions at the hairdresser and the corresponding costs.
Selon un mode de réalisation avantageux, le vibreur est un moteur électrique à vibrations fixé à l’intérieur d’un bras du fer à lisser, de préférence le bras supérieur pour sa légèreté par rapport au bras inférieur, ce dernier comprenant le générateur de vapeur, de sorte à produire des vibrations suffisantes au niveau des plaques chauffantes avec une dépense énergétique moindre. According to an advantageous embodiment, the vibrator is an electric vibration motor fixed inside an arm of the hair straightener, preferably the upper arm for its lightness compared to the lower arm, the latter comprising the steam generator , so as to produce sufficient vibrations at the level of the heating plates with a lower energy expenditure.
Les vibrations générées se traduisent par exemple par un mouvement oscillatoire de chaque plaque suivant les deux directions perpendiculaires à l’axe longitudinal de ladite plaque. Par conséquent, il peut être obtenu un mouvement circulaire des plaques, similaire à des mouvement de massage. The vibrations generated result, for example, in an oscillatory movement of each plate in the two directions perpendicular to the longitudinal axis of said plate. Therefore, a circular movement of the plates can be obtained, similar to massage movements.
Avantageusement, le vibreur est placé dans une cage solidaire du bras pour supprimer les effets indésirables liés à l’inertie dudit vibreur et réduire son bruit sonore. Advantageously, the vibrator is placed in a cage secured to the arm to eliminate the undesirable effects linked to the inertia of said vibrator and to reduce its sound noise.
Selon un mode de réalisation, le lisseur comprend au moins un bouton de réglage de la fréquence des vibrations générées par le vibreur entre différents niveaux de fréquence. Ce bouton est de préférence placé sur le fer à lisser. According to one embodiment, the straightener comprises at least one button for adjusting the frequency of the vibrations generated by the vibrator between different frequency levels. This button is preferably placed on the straightener.
Selon un aspect de l’invention, le lisseur comprend un écran d’affichage numérique sur lequel peuvent être affichées, entre autres, des informations relatives à l’état du vibreur. According to one aspect of the invention, the straightener comprises a digital display screen on which can be displayed, among other things, information relating to the state of the vibrator.
Selon un mode de réalisation avantageux, la recharge de produit cosmétique se fixe sur le réservoir d’eau par emboîtement, avec un mouvement de coulissement longitudinal par exemple. Plus particulièrement, la recharge peut être insérée dans le réservoir par une face supérieure de celui-ci et dans un logement ménagé à cet effet. According to an advantageous embodiment, the cosmetic product refill is fixed on the water tank by interlocking, with a longitudinal sliding movement for example. More particularly, the refill can be inserted into the reservoir via an upper face of the latter and into a housing provided for this purpose.
Avantageusement, la recharge comporte un moyen de préhension facilitant sa fixation dans le réservoir et surtout son retrait de ce dernier. Advantageously, the refill comprises a gripping means facilitating its fixing in the reservoir and especially its removal from the latter.
Selon un mode de réalisation, la recharge est une cartouche jetable. Selon un mode de réalisation, le réservoir d’eau comprend une pompe dont l’entrée et la sortie sont raccordées à un embout de distribution communicant avec l’intérieur de la recharge et au cordon vapeur respectivement. According to one embodiment, the refill is a disposable cartridge. According to one embodiment, the water tank comprises a pump whose inlet and outlet are connected to a dispensing nozzle communicating with the interior of the refill and to the steam cord respectively.
De façon avantageuse, la recharge contient un produit cosmétique à base de kératine et/ou d’acide hyaluronique tel que du botox capillaire. Advantageously, the refill contains a cosmetic product based on keratin and/or hyaluronic acid such as hair botox.
Les concepts fondamentaux de l’invention venant d’être exposés ci-dessus dans leur forme la plus élémentaire, d’autres détails et caractéristiques ressortiront plus clairement à la lecture de la description qui suit et en regard des dessins annexés, donnant à titre d’exemple non limitatif un mode de réalisation d’un lisseur à cheveux conforme aux principes de l’invention. The fundamental concepts of the invention having just been explained above in their most elementary form, other details and characteristics will emerge more clearly on reading the description which follows and with regard to the appended drawings, giving by way of illustration non-limiting example an embodiment of a hair straightener in accordance with the principles of the invention.
BRÈVE DESCRIPTION DES FIGURES BRIEF DESCRIPTION OF FIGURES
Les figures sont données à titre purement illustratif pour une meilleure compréhension de l’invention sans limiter sa portée. Les différents éléments peuvent être représentés de manière schématique et ne sont pas nécessairement à la même échelle. Sur l’ensemble des figures, les éléments identiques ou équivalents portent la même référence numérique. The figures are given for purely illustrative purposes for a better understanding of the invention without limiting its scope. The different elements can be represented schematically and are not necessarily to the same scale. In all the figures, identical or equivalent elements bear the same reference numeral.
Il est ainsi illustré en : It is thus illustrated in:
- Figure 1 : une vue en perspective d’un lisseur avec son fer à lisser et son réservoir d’eau selon un mode de réalisation de l’invention ; - Figure 1: a perspective view of a straightener with its straightening iron and its water tank according to one embodiment of the invention;
- Figure 2 : une vue en perspective du lisseur avec le cordon vapeur et le cordon d’alimentation électrique ; - Figure 2: a perspective view of the straightener with the steam cord and the power supply cord;
- Figure 3a : une vue en perspective du fer à lisser dans une position ouverte (position par défaut) ; - Figure 3a: a perspective view of the straightening iron in an open position (default position);
- Figure 3b : une vue en perspective du fer à lisser dans une position fermée ;- Figure 3b: a perspective view of the straightening iron in a closed position;
- Figure 4 : une vue en éclaté du fer à lisser laissant apparaître le vibreur ;- Figure 4: an exploded view of the hair straightener revealing the vibrator;
- Figure 5 : une vue en transparence du fer à lisser laissant apparaître l’emplacement du vibreur dans le bras supérieur ; - Figure 5: a transparent view of the hair straightener revealing the location of the vibrator in the upper arm;
- Figure 6 : une vue de dessus du fer à lisser sans la demi-coque extérieure du bras supérieur avec un détail sur l’agencement du vibreur ; - Figure 6: a top view of the hair straightener without the outer half-shell of the upper arm with a detail of the layout of the vibrator;
- Figure 7a : une vue en perspective avant du réservoir d’eau ; - Figure 7a: a front perspective view of the water tank;
- Figure 7b : une vue en perspective arrière du réservoir d’eau permettant de visualiser la recharge de produit cosmétique ; - Figure 8 : une vue en perspective de la recharge de produit cosmétique isolée ; - Figure 7b: a rear perspective view of the water reservoir showing the cosmetic product refill; - Figure 8: a perspective view of the isolated cosmetic product refill;
- Figure 9 : une vue partielle en perspective du réservoir laissant apparaître la pompe ; - Figure 9: a partial perspective view of the tank revealing the pump;
- Figure 10 : une autre vue partielle en perspective du réservoir ; - Figure 10: another partial perspective view of the tank;
- Figure 11 : une vue en perspective du réservoir sans sa base, focalisée sur l’embout de distribution connecté à la recharge ; - Figure 11: a perspective view of the tank without its base, focused on the dispensing nozzle connected to the refill;
- Figure 12 : une vue en perspective du réservoir sans la recharge ; - Figure 12: a perspective view of the tank without the refill;
- Figure 13 : une vue en perspective de la recharge tournée sur sa face inférieure. - Figure 13: a perspective view of the refill turned on its underside.
DESCRIPTION DÉTAILLÉE DE MODES DE RÉALISATION DETAILED DESCRIPTION OF EMBODIMENTS
Il convient de noter que certains éléments techniques bien connus de l’homme du métier sont ici décrits pour éviter toute insuffisance ou ambiguïté dans la compréhension de la présente invention. It should be noted that certain technical elements well known to those skilled in the art are described here to avoid any insufficiency or ambiguity in the understanding of the present invention.
Dans le mode de réalisation décrit ci-après, on fait référence à un lisseur à vapeur classique (équipé de plaques chauffantes planes), destiné principalement au lissage des cheveux et à leur traitement par administration de soins cosmétiques. Cet exemple, non limitatif, est donné pour une meilleure compréhension de l’invention et n’exclut pas l’utilisation des principes de l’invention dans d’autres dispositifs de coiffage et de traitement capillaire tels que les fers à boucler, communément appelés « boudeurs », et généralement munis d’embouts cylindriques ou coniques pour donner une forme ondulée à la chevelure. In the embodiment described below, reference is made to a conventional steam straightener (equipped with flat heating plates), intended primarily for straightening the hair and for treating it by administering cosmetic treatments. This non-limiting example is given for a better understanding of the invention and does not exclude the use of the principles of the invention in other hair styling and hair treatment devices such as curling irons, commonly called "sulky", and generally equipped with cylindrical or conical ends to give a wavy shape to the hair.
Dans la suite de la description, l’expression « fer à lisser » désigne un dispositif manuel de lissage des cheveux comprenant principalement deux plaques chauffantes entre lesquelles les mèches de cheveux sont placées afin d'être lissées, et le terme « lisseur » désigne laconiquement dans le contexte de l’invention un fer à lisser de type à vapeur et son réservoir d’eau. In the rest of the description, the expression “straightening iron” designates a manual device for straightening the hair mainly comprising two heating plates between which the locks of hair are placed in order to be straightened, and the term “straightener” designates laconically in the context of the invention a straightening iron of the steam type and its water reservoir.
La figure 1 représente les principaux éléments d’un lisseur 100 selon un mode de réalisation préféré de l’invention, à savoir un fer à lisser 10 et un réservoir d’eau 20. Les éléments de raccord, comprenant un cordon vapeur et éventuellement un cordon d’alimentation électrique, ne sont pas représentés sur cette figure. En effet, le fer à lisser 10 est raccordé au réservoir d’eau 20 au moyen d’un cordon dit vapeur qui permet d’acheminer l’eau du réservoir vers le fer. L’alimentation électrique du lisseur 100 peut quant à elle être assurée par un branchement sur le secteur via un câble électrique ou de façon autonome avec une batterie placée, de préférence, dans la base du réservoir 20. FIG. 1 represents the main elements of a straightener 100 according to a preferred embodiment of the invention, namely a straightening iron 10 and a water reservoir 20. The connecting elements, comprising a steam cord and optionally a power cord, are not shown in this figure. Indeed, the straightening iron 10 is connected to the water reservoir 20 by means of a so-called steam cord which makes it possible to convey the water from the reservoir to the iron. The power supply to straightener 100 can be provided by connection to the mains via an electric cable or independently with a battery placed, preferably, in the base of tank 20.
La figure 2 laisse apparaître un cordon vapeur 30 reliant le fer à lisser 10 au réservoir d’eau 20 et représente un exemple de réalisation dans lequel ledit réservoir est pourvu d’un câble d’alimentation électrique 40 pour être branché sur le secteur.Figure 2 reveals a steam cord 30 connecting the straightening iron 10 to the water tank 20 and represents an embodiment in which said tank is provided with a power supply cable 40 to be connected to the mains.
Le lisseur 100 a été conçu de façon optimisée pour une meilleure expérience utilisateur, notamment en ce qui concerne le résultat du lissage, la manipulation et de l’ergonomie. En effet, le fer à lisser 10 est vibrant et n’incorpore ni le réservoir d’eau ni de recharge de produit cosmétique. De ce fait, le réservoir d’eau 20 est séparé du fer et peut recevoir des recharges (ou cartouches) de produits cosmétiques tels que les soins capillaires. Ainsi, le fer à lisser 10 s’en trouve allégé pour ne pas causer d’inconfort lors de son utilisation, surtout lorsque l’utilisation se prolonge dans le temps, et le réservoir d’eau 20 s’en trouve alourdi pour améliorer sa stabilité par rapport à certains réservoirs de modèles de lisseurs existants réputés instables. The straightener 100 has been designed in an optimized way for a better user experience, in particular with regard to the result of straightening, handling and ergonomics. Indeed, the straightener 10 is vibrating and does not incorporate either the water tank or the cosmetic product refill. As a result, the water tank 20 is separated from the iron and can receive refills (or cartridges) of cosmetic products such as hair care. Thus, the straightening iron 10 is made lighter so as not to cause discomfort during its use, especially when use is prolonged over time, and the water reservoir 20 is made heavier to improve its stability compared to some tanks of existing straightener models known to be unstable.
Le fer à lisser 10 est formé de deux bras articulés, un bras supérieur 11 et un bras inférieur 12, montés en liaison pivot autour d’un axe 13 sensiblement perpendiculaire à un axe d’extension de chaque bras. Les bras 11 et 12 sont articulés au niveau de leurs extrémités distales, situées à proximité de l’arrivée du cordon vapeur 30. À l’opposé, au niveau de leurs extrémités proximales, les bras 11 et 12 sont équipés de deux plaques chauffantes 111 et 121 respectivement, agencées en vis-à-vis de sorte à pouvoir pincer les mèches de cheveux lors du lissage suivant une manipulation normale du fer à lisser 10. The straightening iron 10 is formed of two articulated arms, an upper arm 11 and a lower arm 12, mounted in pivot connection around an axis 13 substantially perpendicular to an axis of extension of each arm. The arms 11 and 12 are articulated at their distal ends, located near the arrival of the steam cord 30. On the other hand, at their proximal ends, the arms 11 and 12 are equipped with two heating plates 111 and 121 respectively, arranged facing each other so as to be able to pinch the locks of hair during straightening following normal handling of the straightening iron 10.
En effet, le fer à lisser 10 présente deux positions d’utilisation, une position ouverte permettant d’introduire la mèche de cheveux entre les plaques chauffantes 111 et 121 , et une position fermée permettant d’appliquer lesdites plaques contre la mèche de cheveux. À l’image d’une pince, le fer à lisser 10 est par défaut en position ouverte et une pression sur les bras 11 et 12 permet alors de l’amener dans une position fermée élastiquement contrainte. Le relâchement de cette pression ramène le fer en position ouverte sous l’action d’un ressort de torsion. La figure 3a représente le fer à lisser 10 en position ouverte, dans laquelle les deux bras 11 et 12 sont écartés l’un de l’autre angulairement autour de l’axe du pivot 13. L’écart angulaire maximal permis correspond à la position par défaut du fer à lisser 10 et doit être suffisant pour l’introduction d’une mèche de cheveux de quelques centimètres entre les plaques 111 et 121 , tout en permettant une saisie manuelle sécurisée du fer 10 par des portions resserrées des bras 11 et 12 situées en amont desdites plaques. Indeed, the straightening iron 10 has two positions of use, an open position allowing the lock of hair to be introduced between the heating plates 111 and 121, and a closed position allowing said plates to be applied against the lock of hair. Like pliers, the straightening iron 10 is by default in the open position and pressure on the arms 11 and 12 then makes it possible to bring it into an elastically constrained closed position. Releasing this pressure brings the iron back to the open position under the action of a torsion spring. FIG. 3a represents the straightening iron 10 in the open position, in which the two arms 11 and 12 are separated from each other angularly around the axis of the pivot 13. The maximum angular deviation allowed corresponds to the position by default of the straightening iron 10 and must be sufficient for the introduction of a lock of hair of a few centimeters between the plates 111 and 121, while allowing secure manual gripping of the iron 10 by tightened portions of the arms 11 and 12 located upstream of said plates.
La figure 3b représente quant à elle le fer à lisser 10 en position fermée, dans laquelle les plaques chauffantes 111 et 121 sont appliquées l’une contre l’autre, de sorte que lorsqu’une mèche de cheveux est saisie entre lesdites plaques, celles-ci exercent une pression suffisante qui, conjuguée à la chaleur transmise, fixe temporairement la forme de la mèche pour un effet global lisse. Le traitement capillaire notamment avec les vibrations du fer à lisser 10 sera détaillé dans la suite. Le fer à lisser 10 comporte en outre des moyens électroniques de commande et de contrôle de puissance, un écran numérique d’affichage, des boutons de contrôle, un générateur de vapeur et un vibreur. FIG. 3b represents the straightening iron 10 in the closed position, in which the heating plates 111 and 121 are applied one against the other, so that when a lock of hair is gripped between said plates, those -these exert sufficient pressure which, together with the transmitted heat, temporarily fixes the shape of the wick for a smooth overall effect. The hair treatment in particular with the vibrations of the straightening iron 10 will be detailed below. The straightening iron 10 further comprises electronic means of command and power control, a digital display screen, control buttons, a steam generator and a vibrator.
La figure 4 représente en éclaté le fer à lisser 10 selon un exemple de réalisation et permet de visualiser ses composants essentiels décrits ci-après. FIG. 4 shows an exploded view of the straightening iron 10 according to an exemplary embodiment and makes it possible to visualize its essential components described below.
Selon cet exemple, la coque du bras supérieur 11 est constituée de deux demi- coques assemblées, une demi-coque extérieure 11a et une demi-coque inférieure 11b. De même, la coque du bras inférieur 12 est constituée de deux demi-coques assemblées, une demi-coque extérieure 12a et une demi-coque intérieure 12b. Dans chaque bras, les demi-coques sont assemblées de façon démontable par des moyens de fixation adaptés tels que des vis ou par clipsage. Les demi-coques de chaque bras peuvent également être assemblées de façon définitive ou fabriquées d’un seul tenant par moulage, fabrication additive ou tout autre procédé approprié. Chaque demi-coque du fer à lisser 10 est conformée pour recevoir des éléments précis dans une configuration compacte. Par exemple, des ouvertures sont ménagées dans les demi-coques intérieures 11b et 12b pour recevoir les plaques chauffantes supérieure 111 et inférieure 121. According to this example, the shell of the upper arm 11 consists of two assembled half-shells, an outer half-shell 11a and a lower half-shell 11b. Similarly, the shell of the lower arm 12 consists of two assembled half-shells, an outer half-shell 12a and an inner half-shell 12b. In each arm, the half-shells are assembled in a removable manner by suitable fastening means such as screws or by clipping. The half-shells of each arm can also be assembled permanently or manufactured in one piece by molding, additive manufacturing or any other appropriate process. Each half-shell of the straightening iron 10 is shaped to receive specific elements in a compact configuration. For example, openings are made in the inner half-shells 11b and 12b to receive the upper 111 and lower 121 heating plates.
Le fer à lisser 10 comporte également des éléments chauffants 112 et 122 qui sont au contact des plaques 111 et 121. Les éléments chauffants 112 et 122 peuvent être de type à coefficient positif de température PTC (Positive Température Coefficient) ou des réchauffeurs métal- céramiques MCH (Métal Ceramic Heater) selon la nature des plaques 111 et 121. Les plaques 111 et 121 peuvent être en céramique, en tourmaline ou en titane. Chacun des matériaux précités possède des caractéristiques propres qui confèrent aux cheveux un résultat particulier. Par exemple, des plaques en céramique permettent une diffusion homogène de la chaleur et facilitent donc le lissage. Quelle que soit la technologie utilisée pour réaliser les plaques et leurs éléments chauffants, le fer à lisser 10 propose un réglage de la température des plaques pour s’adapter au mieux à chaque type de cheveux. The straightening iron 10 also comprises heating elements 112 and 122 which are in contact with the plates 111 and 121. The heating elements 112 and 122 can be of the type with a positive temperature coefficient PTC (Positive Temperature Coefficient) or metal-ceramic heaters MCH (Metal Ceramic Heater) depending on the nature of the plates 111 and 121. The plates 111 and 121 can be made of ceramic, tourmaline or titanium. Each of the aforementioned materials has its own characteristics which give the hair a particular result. For example, ceramic plates allow even heat distribution and therefore facilitate straightening. Whatever the technology used to make the plates and their heating elements, the straightening iron 10 offers adjustment of the temperature of the plates to best adapt to each type of hair.
Le fer à lisser 10 comporte également un générateur de vapeur 151 raccordé au réservoir d’eau 20 et permettant de produire de la vapeur en chauffant l’eau provenant dudit réservoir et de l’évacuer par des orifices prévus à cet effet. Le générateur de vapeur 151 est agencé dans le bras inférieur 12 de sorte que ses orifices débouchent par les sorties vapeur 125 dudit bras inférieur. Une membrane thermiquement isolante 152, de préférence en matériau polymère, est entreposée entre les orifices du générateur de vapeur 151 et la coque du bras inférieur 12 pour protéger ce dernier des surfaces chaudes du générateur de vapeur. De même, d’autres pièces isolantes sont conformées et placées convenablement pour isoler les parties chaudes du fer à lisser. The straightening iron 10 also comprises a steam generator 151 connected to the water tank 20 and making it possible to produce steam by heating the water coming from the said tank and to evacuate it through orifices provided for this purpose. The steam generator 151 is arranged in the lower arm 12 so that its orifices open out through the steam outlets 125 of said lower arm. A thermally insulating membrane 152, preferably made of polymer material, is stored between the orifices of the steam generator 151 and the shell of the lower arm 12 to protect the latter from the hot surfaces of the steam generator. Similarly, other insulating parts are shaped and placed appropriately to isolate the hot parts of the straightening iron.
Le générateur de vapeur 151 peut être chauffé par ses propres moyens ou par l’élément chauffant 122 avec lequel il peut être en contact. The steam generator 151 can be heated by its own means or by the heating element 122 with which it can be in contact.
L’effet conjugué de la chaleur des plaques et du flux de vapeur améliore le résultat du lissage en maintenant une hydratation de la fibre et en favorisant la pénétration de la chaleur en profondeur dans la mèche de cheveux pour éviter une surchauffe des fibres superficielles. The combined effect of the heat from the plates and the flow of steam improves the straightening result by maintaining hydration of the fiber and promoting the penetration of heat deep into the lock of hair to avoid overheating of the superficial fibers.
Pour un lissage davantage amélioré, le fer à lisser 10 est vibrant et comporte à cet effet un vibreur 16 qui permet de produire de faibles oscillations au niveau des plaques 111 et 121 pour limiter la casse de cheveux lors du lissage. For further improved straightening, the straightening iron 10 is vibrating and comprises for this purpose a vibrator 16 which makes it possible to produce weak oscillations at the level of the plates 111 and 121 to limit the breakage of hair during straightening.
Le vibreur 16 est par exemple un moteur électrique vibrant solidaire de la coque du fer à lisser 10. La figure 5 représente le fer à lisser 10 avec la demi-coque extérieure du bras supérieur 11 en transparence pour laisser apparaître le vibreur 16, celui-ci étant placé dans une cage 116 adaptée. The vibrator 16 is for example a vibrating electric motor integral with the shell of the straightening iron 10. FIG. 5 shows the straightening iron 10 with the outer half-shell of the upper arm 11 transparent to reveal the vibrator 16, the latter being placed in a suitable cage 116.
Selon l’exemple illustré, la cage 116 est constituée de deux parties complémentaires, chacune étant réalisée dans la structure d’une demi-coque du bras supérieur 11. According to the example illustrated, the cage 116 consists of two complementary parts, each being made in the structure of a half-shell of the upper arm 11.
La figure 6 représente le fer à lisser 10 sans la demi-coque extérieure du bras supérieur 11 , sur lequel on peut voir le vibreur 16 placé dans une première moitié de la cage 116, ladite moitié étant réalisée dans la structure de la demi-coque intérieure. FIG. 6 represents the straightening iron 10 without the outer half-shell of the upper arm 11, on which one can see the vibrator 16 placed in a first half of the cage 116, said half being made in the structure of the half-shell interior.
Bien entendu, la cage du vibreur peut être indépendante de la structure de la coque du bras et rapportée in situ par des moyens de fixation et/ou d’amortissement adaptés pour modifier le mode de propagation des vibrations générées dans la structure du fer à lisser et ainsi optimiser leur effet pour le lissage. La cage du vibreur peut également être réalisée dans un matériau acoustiquement isolant afin de limiter au maximum le bruit du vibreur en fonctionnement. Of course, the vibrator cage can be independent of the structure of the shell of the arm and attached in situ by fixing and/or damping means adapted to modify the mode of propagation of the vibrations generated in the structure of the hair straightener and thus optimize their effect for smoothing. The vibrator cage can also be made of an acoustically insulating material in order to limit the noise of the vibrator in operation as much as possible.
Les vibrations générées par le vibreur 16 peuvent être réglées en fréquence et/ou en amplitude au moyen d’un variateur spécifique incorporé aux moyens électroniques de contrôle du fer à lisser 10. Le réglage correspondant peut être effectué via un ou plusieurs boutons 143 dédiés. The vibrations generated by the vibrator 16 can be adjusted in frequency and/or in amplitude by means of a specific variator incorporated in the electronic means of control of the straightening iron 10. The corresponding adjustment can be carried out via one or more dedicated buttons 143.
Par exemple, pour une simplicité d’utilisation, il peut être prévu un seul bouton 143 pour régler l’intensité des vibrations, ce dernier permettant de choisir un niveau de vibration parmi plusieurs niveaux (faible, moyen et élevé par exemple). For example, for ease of use, a single button 143 may be provided for adjusting the intensity of the vibrations, the latter allowing a level of vibration to be chosen from among several levels (low, medium and high for example).
Les moyens électroniques de contrôle du fer à lisser 10 comprennent au moins une carte électronique 141 munie des servitudes nécessaires au fonctionnement de tous les composants électriques dudit fer. De plus, un écran d’affichage numérique 142 est prévu pour afficher des informations de température, de vibrations, des messages d’erreurs ou autres. The electronic means for controlling the straightening iron 10 comprise at least one electronic card 141 provided with the necessary equipment for the operation of all the electrical components of said iron. In addition, a digital display screen 142 is provided to display temperature, vibration, error messages or other information.
Le fer à lisse 10 tel que décrit permet donc un lissage à vapeur maîtrisé thermiquement par le réglage de la température des plaques chauffantes et mécaniquement par le réglage des vibrations desdites plaques, pour procurer aux cheveux un mouvement et un traitement soigné imitant presque un massage délicat. Ajouté à cela, le lisseur 100 permet d’apporter un vrai soin capillaire par l’application d’un produit cosmétique sur les cheveux lors du lissage, grâce au réservoir d’eau 20 et à sa recharge de soin 21. The straightener 10 as described therefore allows thermally controlled steam straightening by adjusting the temperature of the heating plates and mechanically by adjusting the vibrations of said plates, to provide the hair with movement and a neat treatment almost imitating a delicate massage. . Added to this, the straightener 100 allows you to provide real hair care by applying of a cosmetic product on the hair during straightening, thanks to the water tank 20 and its care refill 21.
Les figures 7a et 7b représentent le réservoir d’eau 20 et sa recharge de soin 21. Selon cet exemple de réalisation, le réservoir d’eau 20 comprend une coque 22 de forme globalement cylindrique à base sensiblement elliptique, dans laquelle un logement est prévu pour recevoir la recharge 21 par coulissement longitudinal à partir d’une face supérieur 221 de ladite coque. FIGS. 7a and 7b represent the water reservoir 20 and its care refill 21. According to this embodiment, the water reservoir 20 comprises a shell 22 of generally cylindrical shape with a substantially elliptical base, in which a housing is provided to receive the refill 21 by longitudinal sliding from an upper face 221 of said shell.
Bien entendu, la recharge 21 peut être montée sur le réservoir 20 d’une autre façon, par coulissement latéral, par serrage, etc. Of course, the refill 21 can be mounted on the reservoir 20 in another way, by lateral sliding, by clamping, etc.
La figure 8 représente la recharge de soin 21 isolée, comportant au niveau de sa partie supérieure un moyen de préhension 211 pour faciliter sa fixation sur le réservoir 20 et son retrait de celui-ci. La recharge 21 présente une forme et des dimensions adaptées pour s’emboîter parfaitement dans le logement de la recharge 20 prévu à cet effet. FIG. 8 represents the care refill 21 isolated, comprising at its upper part a gripping means 211 to facilitate its attachment to the reservoir 20 and its removal therefrom. Refill 21 has a shape and dimensions adapted to fit perfectly into the housing of refill 20 provided for this purpose.
La recharge de soin 21 peut contenir tout type de soin capillaire, notamment à base de protéines telles que la kératine ainsi que d’autres composés chimiques tels que l’acide hyaluronique. Par exemple, le soin peut être du botox capillaire. Le soin contenu dans la recharge 21 se présente de préférence sous forme liquide ou crémeuse et est apte à être évaporé, ou tout du moins vaporisé si sa température d’ébullition est supérieure au point d’ébullition de l’eau. De préférence encore, le soin est liquide et de type vapo-activé, autrement dit comprend des agents actifs dont l’effet et favorisé par la vapeur. The care refill 21 can contain any type of hair care, especially based on proteins such as keratin as well as other chemical compounds such as hyaluronic acid. For example, the treatment can be hair botox. The care contained in refill 21 is preferably in liquid or creamy form and is able to be evaporated, or at least vaporized if its boiling temperature is higher than the boiling point of water. Preferably again, the care is liquid and of the vapor-activated type, in other words comprises active agents whose effect is enhanced by the vapor.
La recharge de soin 21 peut être jetable ou rechargeable. Dans tous les cas, la recharge 21 est fabriquée dans un matériau recyclable tel qu’un plastique adapté aux produits cosmétiques et/ou alimentaires. Care refill 21 can be disposable or rechargeable. In all cases, the refill 21 is made of a recyclable material such as a plastic suitable for cosmetic and/or food products.
Les figures 9 et 10 représentent partiellement le réservoir d’eau pour visualiser ses composants internes. Figures 9 and 10 partially represent the water tank to visualize its internal components.
Le produit cosmétique contenu dans la recharge 21 est prélevé, tout comme l’eau, au moyen d’une pompe 24, péristaltique par exemple, comprenant une entrée 241, directement reliée à un embout de distribution de la recharge 21 , et une sortie 242 directement reliée au générateur de vapeur du fer à lisser 10 par le cordon vapeur 30. La liaison entre la pompe 24 et la recharge 21 peut être assurée par un tuyau flexible de faible diamètre placé au niveau de la base 223 du réservoir 20. Les figures 11 et 12 représentent l’embout de distribution 261 qui se prolonge par un connecteur 262, ledit connecteur s’introduisant de façon étanche dans la recharge 21 pour permettre le passage du liquide (eau, produit cosmétique ou leur mélange) contenu dans ladite recharge. Un passage 222 est prévu sur la coque 22 du réservoir 20 pour le cordon vapeur 30 et éventuellement pour le cordon d’alimentation 40. The cosmetic product contained in the refill 21 is removed, like the water, by means of a pump 24, peristaltic for example, comprising an inlet 241, directly connected to a dispensing nozzle of the refill 21, and an outlet 242 directly connected to the steam generator of the straightening iron 10 by the steam cord 30. The connection between the pump 24 and the refill 21 can be ensured by a flexible hose of small diameter placed at the level of the base 223 of the tank 20. Figures 11 and 12 show the dispensing endpiece 261 which is extended by a connector 262, said connector being introduced in a sealed manner into the refill 21 to allow the passage of the liquid (water, cosmetic product or their mixture) contained in said recharge. A passage 222 is provided on the shell 22 of the tank 20 for the steam cord 30 and possibly for the power cord 40.
La réservoir 20 comprend également des moyens électroniques de contrôle 25 sous forme de carte électronique et un bouton marche/arrêt 23 pouvant même centraliser cette fonction pour le fer à lisser. La figure 13 représente la face inférieure de la recharge 21 , sur laquelle on peut voir un épaulement 212 formant butée lors de l’insertion de ladite recharge dans le réservoir, et une ouverture 213 qui se ferme avec un bouchon et qui permet de remplir/vider la recharge. The tank 20 also includes electronic control means 25 in the form of an electronic card and an on/off button 23 that can even centralize this function for the straightening iron. Figure 13 shows the underside of the refill 21, on which one can see a shoulder 212 forming a stop when inserting said refill into the tank, and an opening 213 which closes with a plug and which allows filling / empty the refill.
Il ressort clairement de la présente description qu’un lisseur selon l’invention est susceptible d’être réalisé de différentes manières en fonction de sa finalité et du type de traitement recherché pour les cheveux. Ainsi, les mêmes principes de l’invention peuvent s’appliquer à un fer à boucler. En outre, certains éléments du lisseur peuvent être légèrement modifiés ou remplacés sans pour autant sortir du cadre de l’invention. It is clear from the present description that a straightener according to the invention is capable of being produced in different ways depending on its purpose and the type of treatment sought for the hair. Thus, the same principles of the invention can be applied to a curling iron. In addition, certain elements of the straightener may be slightly modified or replaced without departing from the scope of the invention.

Claims

R E V E N D I C A T I O N S
1. Lisseur à cheveux (100) électrique, comprenant un fer à lisser (10) formé de deux bras (11 , 12) articulés munis de plaques chauffantes (111, 121), un réservoir d’eau (20) séparé du fer à lisser et un cordon (30) reliant ledit réservoir audit fer pour acheminer l’eau avant qu’elle ne soit transformée en vapeur par un générateur de vapeur (151), les bras étant mobiles l’un par rapport à l’autre entre une position ouverte permettant de placer une mèche de cheveux entre les plaques chauffantes et une position fermée permettant de pincer avec lesdites plaques la mèche de cheveux préalablement placée, ledit lisseur étant caractérisé en ce que le fer à lisser comporte un vibreur (16) activable pour faire vibrer les plaques chauffantes, et en ce que le réservoir d’eau (20) comprend une recharge amovible (21) de produit cosmétique. 1. Electric hair straightener (100), comprising a straightening iron (10) formed of two articulated arms (11, 12) provided with heating plates (111, 121), a water tank (20) separated from the iron smoother and a cord (30) connecting said tank to said iron to convey the water before it is transformed into steam by a steam generator (151), the arms being movable with respect to each other between a open position allowing a lock of hair to be placed between the heating plates and a closed position allowing the previously placed lock of hair to be pinched with said plates, said straightener being characterized in that the straightening iron comprises a vibrator (16) which can be activated to vibrate the heating plates, and in that the water reservoir (20) comprises a removable refill (21) of cosmetic product.
2. Lisseur selon la revendication 1 , dans lequel le vibreur (16) est un moteur électrique à vibrations fixé à l’intérieur d’un bras (11 , 12) du fer à lisser (10). 2. Straightener according to claim 1, in which the vibrator (16) is an electric vibration motor fixed inside an arm (11, 12) of the straightening iron (10).
3. Lisseur selon la revendication 1 ou 2, dans lequel le vibreur (16) est placé dans une cage (116) solidaire d’un bras (11 , 12) du fer à lisser (10). 3. Straightener according to claim 1 or 2, wherein the vibrator (16) is placed in a cage (116) integral with an arm (11, 12) of the straightening iron (10).
4. Lisseur selon l’une quelconque des revendications précédentes, comprenant au moins un bouton (143) de réglage de la fréquence des vibrations générées par le vibreur (16) entre différents niveaux de fréquence. 4. Straightener according to any one of the preceding claims, comprising at least one button (143) for adjusting the frequency of the vibrations generated by the vibrator (16) between different frequency levels.
5. Lisseur selon l’une quelconque des revendications précédentes, comprenant en outre un écran d’affichage (142) numérique sur lequel peuvent être affichées des informations relatives à l’état du vibreur (16). 5. Straightener according to any one of the preceding claims, further comprising a digital display screen (142) on which information relating to the state of the vibrator (16) can be displayed.
6. Lisseur selon l’une quelconque des revendications précédentes, dans lequel la recharge (21) se fixe sur le réservoir d’eau (20) par emboîtement. 6. Straightener according to any one of the preceding claims, in which the refill (21) is fixed to the water reservoir (20) by interlocking.
7. Lisseur selon l’une quelconque des revendications précédentes, dans lequel la recharge (21 ) comporte un moyen de préhension (211 ) facilitant son retrait du réservoir d’eau (20). 7. Straightener according to any one of the preceding claims, in which the refill (21) comprises gripping means (211) facilitating its removal from the water reservoir (20).
8. Lisseur selon l’une quelconque des revendications précédentes, dans lequel le réservoir d’eau comprend une pompe (24) dont l’entrée et la sortie sont raccordées à un embout de distribution (261) communicant avec l’intérieur de la recharge (21) et au cordon (30) respectivement. 8. Straightener according to any one of the preceding claims, in which the water tank comprises a pump (24), the inlet and the outlet of which are connected to a dispensing nozzle (261) communicating with the inside of the refill. (21) and cord (30) respectively.
9. Lisseur selon l’une quelconque des revendications précédentes, dans lequel la recharge (21 ) est une cartouche jetable. 9. Straightener according to any one of the preceding claims, in which the refill (21) is a disposable cartridge.
10. Lisseur selon l’une quelconque des revendications précédentes, dans lequel la recharge (21) contient un produit cosmétique à base de kératine et/ou d’acide hyaluronique. 10. Straightener according to any one of the preceding claims, in which the refill (21) contains a cosmetic product based on keratin and/or hyaluronic acid.
PCT/EP2022/070692 2021-07-22 2022-07-22 Vibrating hair straightener with integrated hair care product WO2023002044A1 (en)

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CN115670096A (en) 2023-02-03
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EP4122354B1 (en) 2024-02-07

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