EP4098145A1 - Hair treatment device with steam containment - Google Patents

Hair treatment device with steam containment Download PDF

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Publication number
EP4098145A1
EP4098145A1 EP22187668.3A EP22187668A EP4098145A1 EP 4098145 A1 EP4098145 A1 EP 4098145A1 EP 22187668 A EP22187668 A EP 22187668A EP 4098145 A1 EP4098145 A1 EP 4098145A1
Authority
EP
European Patent Office
Prior art keywords
steam
arms
hair
comb
contact surfaces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22187668.3A
Other languages
German (de)
French (fr)
Other versions
EP4098145B1 (en
Inventor
Régis FEREYRE
Johan Sabattier
Mathias GANEM
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SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
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Publication of EP4098145A1 publication Critical patent/EP4098145A1/en
Application granted granted Critical
Publication of EP4098145B1 publication Critical patent/EP4098145B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • 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
    • A45D1/08—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 remaining parallel to each other during use, e.g. the jaws sliding parallel to 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
    • A45D1/18—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with combs
    • 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
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/02—Processes of waving, straightening or curling hair thermal
    • 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
    • A45D2/002—Hair straightening appliances with combs
    • 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

Definitions

  • the present invention relates to an apparatus for treating hair fibers.
  • the international request WO 2014/064660 describes a device for applying a cosmetic product to the hair, exposing it to steam, subjecting it to heat treatment and combing it.
  • a hairdressing appliance comprising a portable treatment unit having two arms configured to form a clip provided with two heating contact surfaces, defined by plates arranged opposite each other, which simultaneously allow the clipping of a strand of hair.
  • This processing unit comprises vapor diffusion means configured to diffuse vapor from a first of the two surfaces towards the second.
  • One of the arms comprises a comb arranged downstream or upstream of one of the contact surfaces.
  • the devices of the prior art do not give complete satisfaction, in particular from the point of view of the results obtained on the hair fibers, for example in terms of volume and discipline.
  • the use of these devices has also shown that the steam outlet orifices could become clogged, in particular because of the various elements which may be present on the user's hair, thus reducing the performance of these devices.
  • the confinement structure allows at least partial confinement of the vapor outside the contact surfaces, that is to say outside the contact surfaces.
  • hair encompasses the corresponding human or animal keratin fibres, as well as synthetic fibers called "extensions" which are sometimes applied to the natural hair of a person by various means, in particular by gluing, in order for example to modify the look of a person's natural hair.
  • contact surface is meant a hair treatment surface, preferably a smoothing surface, for example constituted by a smoothing plate which is advantageously heated as will be detailed below.
  • Each treatment surface is intended to be in contact with at least one lock of hair during the treatment of the hair.
  • connection structure is meant, as indicated above, at least one part or set of parts which allows at least partial confinement of the steam generated by said at least one steam outlet.
  • the term "recess” advantageously denotes a hollow zone which extends opposite the steam outlet and which is intended to accumulate, contain or even at least partially confine the steam. It can extend longitudinally.
  • the recess has a concave shape defining a volume inside which steam can accumulate. It can advantageously form a groove.
  • the axis of the throat belonging to the median plane of the throat can be parallel or even merge with an axis of the steam outlet or make a non-zero angle, for example equal to 45° or less, with the axis of the steam outlet.
  • the recess may be delimited by the same part or by several parts, in particular be a U-shaped hollow in cross section.
  • the at least partial confinement obtained according to the invention makes it possible to locally accumulate steam, advantageously outside the contact surfaces, in the volume located between said at least one steam outlet and the confinement structure, this which can lead to a reduction in the flow of steam needed to treat the hair. It is possible, because of the reduction in the quantity of steam necessary for the treatment, to prolong the autonomy of the apparatus and to reduce the quantity of residual humidity of the hair on leaving the apparatus.
  • the containment structure can contribute to a better distribution of the steam longitudinally, between the steam outlets. The lock of hair can thus be treated more homogeneous in the transverse direction.
  • the partitioning created by the containment structure makes it possible to apply most of the steam only locally, during the passage of the lock of hair in the zone located between said at least one steam outlet and the throat, zone can thus be qualified as a steam application zone.
  • said at least one steam outlet is located at a distance, that is to say separated, from the adjacent contact surface and not within the latter as in the prior art, leads to not applying of steam on the hair area between the contact surfaces.
  • the heat treatment generated by the contact surfaces is thus dissociated from the application of steam originating from said at least one steam outlet.
  • the apparatus according to the invention can be autonomous, with an integrated water reservoir, or comprise a handpiece which is formed by the arms and a base station to which the handpiece is connected, which comprises a reservoir containing the water for steam production.
  • the apparatus preferably comprises a comb having teeth, carried by one of said arms.
  • said at least one steam outlet can be inserted between the comb and the contact surfaces.
  • the comb can thus participate in the confinement of the vapor.
  • the confinement structure advantageously comprises a cowling for the comb.
  • a cowling can cover only one side of the teeth of the comb.
  • the cowling covers both sides of the teeth of the comb in the direction of passage of the hair.
  • the cowling only covers the tops of the teeth.
  • An advantage of cowling is that it can help contain vapor. Another of its advantages is that it forces the strand of hair to penetrate, during its passage, between the teeth of the comb, which improves the efficiency of combing the hair.
  • the apparatus is perfectly ambidextrous.
  • the aforementioned groove and the cowling of the comb can be separated, on the confinement structure, by a rib arranged parallel to the groove.
  • This rib can be formed by a portion of a part which also defines the cowling and the throat, this part being made in one piece by material molding for example.
  • Such a rib makes it possible in particular to limit the risk of contact between the back of the throat and the lock of hair
  • the confinement structure is for example located close to the contact surface, preferably the plate, carried by the same arm.
  • the confinement structure can be fixed on the plate, that is to say on the contact surface, or on the contrary be independent of the plate, for example with a slight functional play, which allows the plate to keep certain degrees mobility, for example being able to pivot on itself.
  • one of the arms carries one of the contact surfaces, said at least one steam outlet and optionally the comb, while the other of said arms carries the other of the contact surfaces, the confinement structure and possibly the cowling of the reed.
  • the steam outlet or outlets are set back with respect to a plane defined by the edge of the contact zone between the contact surfaces (in the absence of hair) on the side of the steam outlet or outlets and the base of the comb teeth.
  • This makes it possible to prevent the hair from coming into contact with the steam nozzles and therefore to limit the risk of clogging or obstruction of the latter.
  • the plane of closure of the contact surfaces is located above the bottom of the comb in the closed position of the device, which makes it possible to avoid the detachment of the hair from the head at the start of hair treatment, known as the "cushion effect". ".
  • the hair can be correctly placed in rectilinear tension between the comb and the contact surfaces.
  • the confinement structure is preferably located at least partially, or even totally, set back relative to a plane connecting the edge of the contact zone between the contact surfaces on the side of the confinement structure and the top of the comb when the arms are in a close configuration, which makes it possible to limit the risk of contact between the confinement structure and the lock of hair.
  • the containment structure may comprise a single piece or several pieces assembled together and produced for example by molding in thermoplastic material, for example PBT, or in thermoplastic elastomer material such as for example TPE.
  • the groove may have a width, measured perpendicular to the longitudinal axis of the contact surfaces, preferably of the plates, and parallel to the heating surfaces in close configuration of the arms, of between 1 and 20 mm, preferably between 2 and 12 mm and advantageously substantially equal to 4 mm.
  • the groove may have a depth of between 1 mm and 15 mm, preferably between 2 and 5 mm, and advantageously substantially equal to 2.5 mm.
  • the throat does not include any heating means of its own, such as an electrical resistance. The temperature of the surface in the bottom of the throat preferably comes almost exclusively from the heating of this surface caused by the projection of steam.
  • the edges of the groove preferably do not come into contact with a surface of the opposite arm carrying said at least one steam outlet.
  • the cumulative steam flow for the or all the steam outlets is preferably between 0.5 and 1.1 g/min, being preferably less than or equal to 3.5 g/min, better still less than or equal to 1 g / min, for example between 0.7 g / min and 0.9 g / min.
  • the steam outlet or outlets are preferably supplied with steam by a vaporization chamber itself supplied with water by a pump.
  • Said at least one steam outlet advantageously comprises at least one steam ejection channel and at least one steam ejection nozzle.
  • This channel can be oriented perpendicular to the longitudinal axis of the corresponding arm.
  • the nozzle can have the same orientation; thus, the steam is emitted in a direction perpendicular to the contact surfaces, and preferentially to the plates, that is to say in a direction perpendicular to the direction in which the lock of hair travels in the device.
  • the nozzle or nozzles are of conical shape with a circular section, and the section of the nozzles widens in the direction of the outlet of the nozzles.
  • Said at least one steam outlet may comprise between 3 and 10 steam ejection nozzles, preferably 7 nozzles.
  • the maximum width of a nozzle is for example between 2 mm and 8 mm and advantageously substantially equal to 5.3 mm.
  • the height of a nozzle is for example between 2 and 10 mm, preferably between 3 and 6 mm, advantageously substantially equal to 3.5 mm.
  • the distance between two adjacent nozzles, measured between the axes of the latter, can be between 5 and 20 mm and advantageously substantially equal to 11 mm.
  • the throat is at a distance from the upper end of the steam ejection nozzle or nozzles, this distance being for example between 3 and 20 mm, preferably between 5 and 10 mm, when measured along the longitudinal axis of the arm in closed position.
  • the steam is preferably steam, in particular without additive.
  • the or each steam ejection nozzle is preferably mounted at one end of the or each steam ejection channel.
  • Each channel has for example a width of between 0.2 mm and 5 mm, advantageously substantially equal to 1.6 mm.
  • Each channel has for example a height comprised between 1 mm and 15 mm, advantageously substantially equal to 5 mm.
  • the nozzles may be identical to one another.
  • the channels can be identical to each other.
  • the device may not include a reservoir for a cosmetic composition, nor a cosmetic composition applicator.
  • the invention does not exclude such an application of composition by the apparatus, using for example an applicator carried by one of the arms, nor an application prior to the treatment by the apparatus or subsequent to this one.
  • FIG. 1 We represented on the figure 1 an apparatus 1 for treating the hair, in accordance with a first example of embodiment according to the invention.
  • the device 1 is autonomous, with integrated water tank 2. Only part of the power supply cord 3 is visible on the figures 1 and 2 .
  • the device 1 comprises two arms 4 and 5 extending along a longitudinal axis Y, movable relative to each other, which can take a spaced configuration for introducing a lock of hair between them and a close configuration treatment of the lock of hair.
  • the figures 1, 2 and 3 particular illustrate this last setup.
  • the figure 10 represents the separated configuration of the arms 4 and 5, for introducing a lock of hair between them.
  • the arms 4 and 5 are articulated together by means of a pivot connection 6 so as to form a clamp.
  • the casings of the arms 4 and 5 comprise respective shells 17 and 18, which house various constituent elements of the apparatus.
  • the arms 4 and 5 are movable in the close configuration along the lock of hair to be treated and comprise respective proximal parts 4a and 5a which can be concomitantly gripped with one hand to manipulate the device 1.
  • the arms 4 and 5 also comprise respective distal parts 4b and 5b equipped with corresponding plates 10 and 11, located opposite each other and which make it possible to pinch the hair between them.
  • Plates 10 and 11 define respective contact surfaces 13 and 12.
  • the contact surfaces 12 and 13 are substantially planar.
  • the plate 11 is heated by at least one resistive heating element 15 received in a housing 22 of the arm 5, not far from the contact surface 12.
  • the plates 10 and 11 are each heated by its own heating device, in which case another resistive heating element is mounted in the housing 23, for example.
  • the device 1 comprises at least one steam outlet 20, in this case several outlets, carried by the arm 4 at a distance from the plate 10, to expose to steam the hair engaged between the arms 4 and 5 when they are found in this steam application area.
  • a containment structure 21 allows at least partial containment of the vapor emitted by the device.
  • This containment structure 21 is carried by the arm 5. In this example, it comprises a recess formed by a groove 25 facing the steam outlets 20.
  • the steam outlets 20 are 7 in number, but the invention is not limited to a particular number of outlets.
  • the latter are located at a distance from the plate 10 and not within it. This makes it possible not to apply steam to the portion of the hair positioned between the plates 10 and 11 at a given moment, and also to preserve the steam outlets from any risk of clogging or clogging by elements which could be on hair, such as leftover cosmetics or dandruff.
  • the heat treatment generated by the plates 10 and 11 is thus dissociated from the application of steam through the outlets 20.
  • the arm 4 further comprises a comb 30 which has in the example illustrated a single row of teeth 31, visible on the figure 2 and 7 notably.
  • the comb may comprise rigid teeth and/or flexible bristles such as, for example, tufts of silk bristles.
  • Each steam outlet 20 comprises a channel 26 extending along an axis X visible on the figure 4A and 4C , surmounted by a nozzle 27, the axis X being that of the steam outlet.
  • Each nozzle 27 has an outwardly flared shape. This makes it possible to diffuse the steam in a homogeneous manner throughout the confinement zone and to continuously renew the steam which escapes from the confinement zone, in particular via the front and/or the rear of the device.
  • the groove 25 is centered on the X axis, that is to say that in cross section, the axis of the groove coincides with the X axis of the steam outlet.
  • the bottom of the groove is at a distance d from the upper end 28 of the nozzles 27 equal to approximately 8.5 mm in this example, when the arms 4 and 5 are in the close position.
  • the groove 25 does not have its own heating system.
  • each nozzle 27 has for example a height h of 2.8 mm and a maximum width /, at its upper end, of 3.4 mm
  • Each channel 26 has for example a height h' of 4.8 mm and a width / ', corresponding to an inside diameter of 1.6 mm.
  • the lower part of the arm 4 houses the vaporization chamber which allows the creation of the vapor which is then projected through the outlets 20 passing through the channels 26 and nozzles 27.
  • Such a vaporization chamber may include a heating device consisting for example of a positive temperature coefficient thermistor, called PTC, and a device for measuring the temperature of the heating device consisting for example of a thermistor with a negative temperature coefficient, called NTC.
  • PTC positive temperature coefficient thermistor
  • NTC negative temperature coefficient
  • the total steam flow delivered by all steam outlets can be between 0.5 g/min and 0.8 g/min.
  • the steam outlets 20 are supplied with steam by a vaporization chamber which can be supplied by means of a pump and in particular a peristaltic pump, itself connected to the reservoir 2, these elements preferably being in the same arm 4.
  • the arm 5 comprises at least a first support part 140 of the plate 11 and at least a second part 141 distinct from the first and separate therefrom.
  • the apparatus 1 further comprises an elastically deformable sealing element 150, comprising a proximal portion 151 extending at least partially around the plate 11 between the latter and the first part 140 and a distal portion 152 extending at the contact of the second part 141, the proximal 151 and distal 152 portions being connected by an intermediate portion 153, flexible, extending between the first and second parts 140 and 141.
  • the proximal portion 151 extends over the entire circumference of the plate 11.
  • the proximal portion 151 of the sealing element 150 is clamped between the plate 11 and a rib 155 of the first part 140.
  • the proximal portion 151 has a generally H-shaped cross section.
  • 151 has a groove 156 engaged in a return 157 of the plate 11 and an opposite groove 158, engaged in the rib 155 of the first part 140.
  • the distal portion 152 is, for its part, pinched between the second part 141 and a third part 142 of the arm 5, formed in this example by the shell 18.
  • the intermediate portion 153 has at least one bend in cross section.
  • the intermediate portion 153 is curved concave towards the opposite arm 4, with a U-shaped bottom in cross section.
  • the intermediate portion 153 then has a shape similar to a bellows, such as an accordion bellows which gives the intermediate portion 153 of the sealing element 150 a great flexibility, advantageously to be able to follow the movement of the plate 11 as described below while guaranteeing sealing around the plate 11.
  • Plate 11 has a generally rectangular outline with four sides. Intermediate portion 153 and distal portion 152 extend around three of the four sides of plate 11 only. The intermediate portion 153 and the distal portion 152 are absent from the side 16 of the plate 11 farthest from said at least one steam outlet 20.
  • the sealing element 150 comprises only the proximal part 151 of the side 16 of the plate 11 which is opposite to the steam outlet 20.
  • the proximal part 151 is extended by the part intermediate 153 of the sealing element 150, as visible in particular on the figure 4A Where 4C .
  • the fact of limiting the sealing element 150 forming a seal to only the proximal part 151 of the side 16 of the plate makes it possible to reduce the width of the appliance 1 without substantially impairing the sealing.
  • the sealing element 150 as in particular visible in isolation on the figure 12 , has a non-symmetrical shape with respect to a median plane crossing the plate 11 parallel to the longitudinal axis Y of the device 1 and perpendicular to a heating surface 12 of the plate 11 facing the plate 10.
  • the proximal portion 151 of the sealing element 150 is mounted over the entire periphery of the plate 11, being interposed between the plate 11 and the first piece 140 of plate support.
  • the peripheral edge of the plate 11 is isolated from the first plate support part 140 by the sealing element 150, which makes it possible to seal the assembly.
  • the sealing element 150 is present on a single arm, namely the arm 5, said at least one steam outlet 20 being carried by the other arm, namely the arm 4.
  • the plate 11 is, in the example illustrated in the figure 4A , pivotally mounted on the corresponding arm via the engagement of a head 160 in the form of a sphere portion, said head 160 being integral with the first support part 140 of the plate 11.
  • the sphere portion is then mounted in a housing defined by a cylindrical wall 161 formed with the shell 18 of the arm 5.
  • the support of the spherical surface of the head 160 on the circular edge of the wall 161 creates a ball joint which allows the plate 11 to pivot when the thickness of the lock of hair which is pinched between the plates is not homogeneous, and thus to have a larger contact surface with the wick.
  • the deformability of the sealing element 150 thanks to the intermediate portion 153 allows it to accompany this pivoting of the plate 11 while acting as a barrier vis-à-vis the steam.
  • the device 1 may also include an electronic card, not shown, configured to manage the power supply to the resistive heating elements in order to control the operating temperature.
  • This electronic card can be arranged inside one of the two arms 4 or 5, for example in the proximal part 4a of the arm 4, and have a user interface.
  • the apparatus 1 may further comprise a magnetic sensor, not shown, of the reed switch type ILS, which makes it possible to detect the close configuration of the arms 4 and 5, in which the surfaces 12 and 13 are substantially one against the other. other to pinch the section of hair to be treated.
  • the flexible reed switch is replaced by a magneto-resistive sensor MRS, or by any other detection means.
  • the steam outlets 20 are organized in the example considered in a row, the latter being parallel to the longitudinal axis Y as well as to a side edge 37 of the heating plate 10 and to the row of teeth 31 of the comb 30, as seen on the figure 7 .
  • the row of steam outlets is arranged between the comb 30 and the side edge 37 of the plate 10.
  • the distance f between two adjacent nozzles 27, measured between the axes of the latter as visible on the figure 5 is for example equal to 9.7 mm.
  • each steam outlet 20 is set back relative to the plane (Y, Z) defined by the surface 13, the distance e between the latter and the plane (Y, Z) being equal for example at 4.6mm.
  • the upper end 28 of each steam outlet 20 is also recessed with respect to the plane T connecting the end M of the surface 13 and the base N of the teeth of the comb, as visible on the figure 9 .
  • the containment structure 21 comprises, in addition to the groove 25, a cowling 40 for the comb, separated from the groove 25 by a rib 41. The latter extends parallel to the longitudinal axis Y.
  • the containment structure 21 is constituted by a single molded piece of thermoplastic material, in the example shown. We do not depart from the scope of the invention when the containment structure 21 is made from several parts assembled together.
  • the containment structure 21 is located for the most part set back relative to a plane W illustrated in dotted lines on the figure 7 , connecting the edge O of the contact zone between the plates 10 and 11 in close configuration of the arms 4 and 5, and the top of the comb 31 corresponding to the line F joining the ends of the comb teeth.
  • Rib 41 in this example, protrudes slightly below the W plane.
  • the fixing of the containment structure 21 on the associated arm can be done in various ways.
  • the part which defines the containment structure 21 is joined and fixed to the shell 18 by any assembly means known as such, such as screwing, gluing, welding or snap-fastening.
  • the groove 25 has a cross-section of concave shape, in particular substantially semi-circular, of width i, measured perpendicular to the longitudinal axis Y of the plates 10 and 11 and parallel to the surfaces 12 and 13 in close configuration of the arms 4 and 5, for example equal to 3.5 mm and of depth p for example equal to 1.8 mm, but the invention is not limited to a particular section shape, and U-, V- or semi-elliptical sections are possible. In the example illustrated, the groove 25 does not have symmetrical edges with respect to a plane parallel to the axis X.
  • the cowling 40 covers in this example, in close configuration of the arms, only part of the inner side 32 of the teeth 31 of the comb 30, that is to say that facing the plate 11.
  • the cowling 40 of the reed 30 covers part of the inner 32 and outer 33 sides of the teeth 31.
  • the cowling 40 can comprise for this purpose walls 44 and 45 substantially parallel respectively to the sides 32 and 33 of the teeth 31, at a distance from those -ci and offset upwards along the X axis. In this case, as shown in this figure, only the upper part of the teeth 31 is covered by the cowling 40.
  • the confinement provided by the cowling 40 does not prevent the steam from escaping by passing between the teeth 31 of the comb 30 and through the space above the upper end of the teeth 31 under the cowling 40.
  • the latter can nevertheless behave vis-à-vis the escape of the steam as an additional obstacle which participates in the confinement of the latter upstream of the plates 10 and 11.
  • the volume V in which the vapor is mainly confined is delimited on the interior side by the lateral edges 37 and 38 of the plates 10 and 11, on the outside by the teeth 31 of the comb, and above by the groove 25, the rib 41 and the cowling 40.
  • the sealing element 150 also participates in delimiting this volume and to confine the steam.
  • This volume V can be between 2000 and 10000 mm 3 being for example close to 5500 mm 3 .
  • a volume V of vapor is therefore confined between the comb 30, the confinement structure 21, the plates 10, 11, and the vapor outlets 20.
  • At least one vapor barrier 43 can be placed on the arm 4 at the end of the row of vapor outlets 20, on the proximal part 4a side, so as to confine the vapor on that side.
  • the plates 10 and 11 are not centered on the device 1 but offset towards a side edge 6 of the device 1, while the comb 30 adjoins parallel thereto the other side edge 7 of the device 1.
  • the row of steam outlets 20 extends between the comb and the plates 10 and 11, parallel to these and to the longitudinal axis Y.
  • the treated lock of hair follows, relative to the device 1, the direction illustrated in the figure 4A , taking into account the movement of the device along the wick.
  • a given area of the hair contacts the teeth 31.
  • the hair is forced by it to pass between the teeth 31 of the comb 30.
  • the aforementioned area of the lock then comes in the volume V where the steam can accumulate, and it is exposed there to the steam emitted by the steam outlets 20.
  • the area in question is pinched between the heating surfaces 12 and 13, where it undergoes a heat treatment without steam.
  • the appliance may comprise a hair product applicator, arranged for example at the edge of the contact zone between the plates or before the comb, or inserted between the comb and the vapor confinement zone, or between the latter and the plates.
  • the containment structure can be modified.
  • the groove 25 can be given a different shape or orientation.
  • the rib that separates the groove from the cowling in the example of the figure 8 is deleted.
  • the groove 25 has, in this example, a transverse axis G passing through the bottom of the groove, said axis G forming a non-zero angle ⁇ , equal in this example to 45° with the axis X of the steam outlet.
  • Axis G is oriented such that groove 25 is generally turned towards the comb, as shown in the figure.
  • a helical spring 162 which bears at one end in the bottom of the housing defined by the cylindrical wall 161 and at the other end against the head 160.
  • the containment structure 21 is set back by relative to the plane W connecting the edge of the contact zone between the plates 10 and 11 in the close configuration of the arms 4 and 5, and the top of the comb 31 to avoid the contact of the lock of hair with the confinement structure 21 while providing a certain volume of vapor between said structure 21 and said wick.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cleaning And Drying Hair (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Brushes (AREA)
  • Hair Curling (AREA)

Abstract

L'invention concerne un appareil (1) de traitement de la chevelure, comportant :
- deux bras (4, 5) mobiles l'un par rapport à l'autre, pouvant prendre une configuration écartée d'introduction d'une mèche de cheveux entre eux et une configuration rapprochée de traitement de la mèche de cheveux, les bras (4, 5) étant déplaçables dans cette configuration rapprochée le long de la mèche,
- deux surfaces de contact (12, 13) portées respectivement par les deux bras (4, 5), disposées en vis-à-vis, l'une au moins des surfaces de contact (12, 13) étant chauffante,
- au moins une sortie de vapeur (20) portée par l'un des bras (4) à distance de la surface de contact (13) correspondante, pour exposer à la vapeur les cheveux engagés entre les bras (4, 5),
- une structure de confinement (21), permettant un confinement au moins partiel de la vapeur, portée au moins en partie par l'autre desdits bras (5),

Figure imgaf001
The invention relates to an apparatus (1) for treating the hair, comprising:
- two arms (4, 5) movable relative to each other, which can assume a spaced configuration for introducing a lock of hair between them and a close configuration for processing the lock of hair, the arms ( 4, 5) being movable in this close configuration along the wick,
- two contact surfaces (12, 13) carried respectively by the two arms (4, 5), arranged facing each other, at least one of the contact surfaces (12, 13) being heated,
- at least one steam outlet (20) carried by one of the arms (4) at a distance from the corresponding contact surface (13), to expose the hair engaged between the arms (4, 5) to steam,
- a containment structure (21), allowing at least partial containment of the steam, carried at least in part by the other of said arms (5),
Figure imgaf001

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne un appareil de traitement des fibres capillaires.The present invention relates to an apparatus for treating hair fibers.

Etat de la technique antérieureState of the prior art

Il est connu de lisser les cheveux avec des pinces de lissage. Ces pinces permettent de réaliser un lissage des fibres capillaires à température élevée sans tirer sur les cheveux contrairement aux brushings. Cependant, pour obtenir un bon aspect lissé, il est nécessaire d'effectuer plusieurs passages de la pince ce qui allonge notablement le temps de traitement. Par ailleurs, l'application répétée des pinces de lissage peut parfois engendrer une dégradation des fibres capillaires, due à la température à laquelle les cheveux sont exposés.It is known to straighten the hair with straightening pliers. These tweezers make it possible to straighten the hair fibers at high temperature without pulling on the hair, unlike brushings. However, to obtain a good smooth appearance, it is necessary to make several passes of the pliers, which significantly lengthens the treatment time. In addition, the repeated application of straightening clips can sometimes cause degradation of the hair fibers, due to the temperature to which the hair is exposed.

Il est connu d'utiliser de la vapeur pour le traitement des cheveux, par exemple associée à un traitement par plaques chauffantes, la vapeur étant projetée ou diffusée sur les cheveux. Un tel procédé peut être mis en œuvre par un appareil de traitement des cheveux et/ou être associé à différents traitements cosmétiques capillaires. On peut citer à titre d'exemple les documents EP 659 395 , EP 659 393 , EP 659 396 , EP 659 397 , US 2004/0000319 , US 2004/0045570 , JP 2000157322 , EP1396207 , EP1515628 , EP1515629 , EP1516554 , FR 2967017 et WO 2004/002262 .It is known to use steam for the treatment of the hair, for example associated with a treatment by hot plates, the steam being projected or diffused on the hair. Such a method can be implemented by a hair treatment device and/or be associated with various cosmetic hair treatments. Examples include the documents EP 659 395 , EP 659 393 , EP 659 396 , EP 659 397 , US 2004/0000319 , US 2004/0045570 , JP 2000157322 , EP1396207 , EP1515628 , EP1515629 , EP1516554 , EN 2967017 and WO 2004/002262 .

La demande internationale WO 2014/064660 décrit un dispositif permettant d'appliquer un produit cosmétique sur les cheveux, d'exposer ceux-ci à la vapeur, de les soumettre à un traitement thermique et de les peigner.The international request WO 2014/064660 describes a device for applying a cosmetic product to the hair, exposing it to steam, subjecting it to heat treatment and combing it.

Il est par ailleurs connu de la demande internationale WO2017017158 un procédé de traitement des fibres capillaires comportant un peignage des fibres capillaires, l'application d'une composition sur les fibres capillaires, l'application de vapeur et un traitement thermique des fibres capillaires par conduction et/ou rayonnement à l'aide de plaques chauffantes.It is also known from the international application WO2017017158 a method for treating hair fibers comprising combing the hair fibers, applying a composition to the hair fibers, applying steam and heat treating the hair fibers by conduction and/or radiation using plates heated.

Enfin, il est connu des publications FR3020930 et WO 2015/173507 un appareil de coiffure comprenant une unité de traitement portable ayant deux bras configurés pour former une pince munie de deux surfaces de contact chauffantes, définies par des plaques disposées en vis-à-vis, qui permettent concomitamment le pincement d'une mèche de cheveux. Cette unité de traitement comprend des moyens de diffusion de vapeur configurés pour diffuser de la vapeur depuis une première des deux surfaces vers la seconde. L'un des bras comprend un peigne agencé en aval ou en amont de l'une des surfaces de contact.Finally, it is known from the publications FR3020930 and WO 2015/173507 a hairdressing appliance comprising a portable treatment unit having two arms configured to form a clip provided with two heating contact surfaces, defined by plates arranged opposite each other, which simultaneously allow the clipping of a strand of hair. This processing unit comprises vapor diffusion means configured to diffuse vapor from a first of the two surfaces towards the second. One of the arms comprises a comb arranged downstream or upstream of one of the contact surfaces.

Les appareils de l'art antérieur ne donnent pas totalement satisfaction notamment du point de vue des résultats obtenus sur les fibres capillaires, par exemple en termes de volume et de discipline. L'usage de ces appareils a également montré que les orifices de sortie de vapeur pouvaient se boucher, notamment à cause des différents éléments qui peuvent être présents sur les cheveux de l'utilisateur, diminuant alors la performance de ces appareils.The devices of the prior art do not give complete satisfaction, in particular from the point of view of the results obtained on the hair fibers, for example in terms of volume and discipline. The use of these devices has also shown that the steam outlet orifices could become clogged, in particular because of the various elements which may be present on the user's hair, thus reducing the performance of these devices.

Il existe donc un besoin pour développer un nouvel appareil de traitement des cheveux qui soit facile à utiliser et performant, notamment qui produise un résultat satisfaisant dès le premier passage sur les cheveux.There is therefore a need to develop a new hair treatment device which is easy to use and effective, in particular which produces a satisfactory result from the first pass over the hair.

Exposé de l'inventionDisclosure of Invention

L'invention vise à répondre à ce besoin et elle y parvient grâce à un appareil de traitement de la chevelure, comportant :

  • deux bras mobiles l'un par rapport à l'autre, pouvant prendre une configuration écartée d'introduction d'une mèche de cheveux entre eux et une configuration rapprochée de traitement de la mèche de cheveux, les bras étant déplaçables dans cette configuration rapprochée le long de la mèche,
  • deux surfaces de contact portées respectivement par les deux bras, disposées en vis-à-vis, l'une au moins des surfaces de contact étant chauffante,
  • au moins une sortie de vapeur portée par l'un des bras à distance de la surface de contact correspondante, pour exposer à la vapeur les cheveux engagés entre les bras,
  • une structure de confinement, permettant un confinement au moins partiel de la vapeur, portée au moins en partie ou totalement par l'autre desdits bras, la structure de confinement présentant de préférence au moins un renfoncement situé en regard de ladite au moins une sortie de vapeur.
The invention aims to meet this need and it achieves this through a hair treatment device, comprising:
  • two arms movable relative to each other, able to assume a spaced configuration for introducing a lock of hair between them and a close configuration for processing the lock of hair, the arms being movable in this close configuration the along the wick,
  • two contact surfaces carried respectively by the two arms, arranged facing each other, at least one of the contact surfaces being heated,
  • at least one steam outlet carried by one of the arms at a distance from the corresponding contact surface, to expose the hair engaged between the arms to steam,
  • a containment structure, allowing at least partial containment of the vapour, carried at least partially or totally by the other of said arms, the containment structure preferably having at least one recess located opposite said at least one outlet from steam.

Avantageusement, la structure de confinement permet un confinement, au moins partiel, de la vapeur, en dehors des surfaces de contact, c'est-à-dire à l'extérieur des surfaces de contact.Advantageously, the confinement structure allows at least partial confinement of the vapor outside the contact surfaces, that is to say outside the contact surfaces.

Le terme « cheveux » englobe les fibres kératiniques humaines ou animales correspondantes, ainsi également que des fibres synthétiques appelées « extensions » qui sont parfois rapportées sur la chevelure naturelle d'une personne par différents moyens, notamment par collage, afin par exemple de modifier l'aspect de la chevelure naturelle d'une personne.The term "hair" encompasses the corresponding human or animal keratin fibres, as well as synthetic fibers called "extensions" which are sometimes applied to the natural hair of a person by various means, in particular by gluing, in order for example to modify the look of a person's natural hair.

Par « surface de contact » on entend une surface de traitement des cheveux, préférentiellement une surface de lissage, par exemple constituée par une plaque de lissage avantageusement chauffante comme cela sera détaillé par la suite. Chaque surface de traitement est destinée à être en contact avec au moins une mèche de cheveux lors du traitement de la chevelure.By “contact surface” is meant a hair treatment surface, preferably a smoothing surface, for example constituted by a smoothing plate which is advantageously heated as will be detailed below. Each treatment surface is intended to be in contact with at least one lock of hair during the treatment of the hair.

Par « structure de confinement », on entend, comme indiqué ci-dessus, au moins une pièce ou ensemble de pièces qui permet un confinement au moins partiel de la vapeur générée par ladite au moins une sortie de vapeur.By "containment structure" is meant, as indicated above, at least one part or set of parts which allows at least partial confinement of the steam generated by said at least one steam outlet.

Par « renfoncement », on désigne avantageusement une zone creuse qui s'étend en regard de la sortie de vapeur et qui est destinée à accumuler, contenir ou encore confiner au moins partiellement la vapeur. Il peut s'étendre longitudinalement. Préférentiellement, le renfoncement présente une forme concave définissant un volume à l'intérieur duquel peut s'accumuler la vapeur. Il peut avantageusement former une gorge. Dans ce cas, l'axe de la gorge appartenant au plan médian de la gorge, peut être parallèle voire se confondre avec un axe de la sortie de vapeur ou faire un angle non nul, par exemple égal à 45° ou moins, avec l'axe de la sortie de vapeur. Le renfoncement peut être délimité par une même pièce ou par plusieurs pièces, notamment être un creux en forme de U en section transversale.The term "recess" advantageously denotes a hollow zone which extends opposite the steam outlet and which is intended to accumulate, contain or even at least partially confine the steam. It can extend longitudinally. Preferably, the recess has a concave shape defining a volume inside which steam can accumulate. It can advantageously form a groove. In this case, the axis of the throat belonging to the median plane of the throat, can be parallel or even merge with an axis of the steam outlet or make a non-zero angle, for example equal to 45° or less, with the axis of the steam outlet. The recess may be delimited by the same part or by several parts, in particular be a U-shaped hollow in cross section.

Le confinement, au moins partiel, obtenu selon l'invention permet d'accumuler localement de la vapeur, avantageusement à l'extérieur des surfaces de contact, dans le volume situé entre ladite au moins une sortie de vapeur et la structure de confinement, ce qui peut conduire à une réduction du débit de vapeur nécessaire au traitement des cheveux. On peut, du fait de la diminution de la quantité de vapeur nécessaire au traitement, prolonger l'autonomie de l'appareil et diminuer la quantité d'humidité résiduelle des cheveux au sortir de l'appareil. De plus, la structure de confinement peut contribuer à une meilleure répartition de la vapeur longitudinalement, entre les sorties de vapeur. La mèche de cheveux peut ainsi être traitée de façon plus homogène dans le sens transversal. Par ailleurs, le cloisonnement créé par la structure de confinement permet de n'appliquer l'essentiel de la vapeur que localement, lors du passage de la mèche de cheveux dans la zone située entre ladite au moins une sortie de vapeur et la gorge, zone pouvant ainsi être qualifiée de zone d'application de la vapeur.The at least partial confinement obtained according to the invention makes it possible to locally accumulate steam, advantageously outside the contact surfaces, in the volume located between said at least one steam outlet and the confinement structure, this which can lead to a reduction in the flow of steam needed to treat the hair. It is possible, because of the reduction in the quantity of steam necessary for the treatment, to prolong the autonomy of the apparatus and to reduce the quantity of residual humidity of the hair on leaving the apparatus. In addition, the containment structure can contribute to a better distribution of the steam longitudinally, between the steam outlets. The lock of hair can thus be treated more homogeneous in the transverse direction. Furthermore, the partitioning created by the containment structure makes it possible to apply most of the steam only locally, during the passage of the lock of hair in the zone located between said at least one steam outlet and the throat, zone can thus be qualified as a steam application zone.

Le fait que ladite au moins une sortie de vapeur soit située à distance, c'est-à-dire séparée, de la surface de contact adjacente et non au sein de celle-ci comme dans l'art antérieur, conduit à ne pas appliquer de vapeur sur la zone des cheveux située entre les surfaces de contact. Le traitement thermique généré par les surfaces de contact est ainsi dissocié de l'application de vapeur provenant de ladite au moins une sortie de vapeur.The fact that said at least one steam outlet is located at a distance, that is to say separated, from the adjacent contact surface and not within the latter as in the prior art, leads to not applying of steam on the hair area between the contact surfaces. The heat treatment generated by the contact surfaces is thus dissociated from the application of steam originating from said at least one steam outlet.

L'appareil selon l'invention peut être autonome, avec réservoir d'eau intégré, ou comporter une pièce à main qui est formée par les bras et un poste de base auquel est reliée la pièce à main, qui comporte un réservoir contenant l'eau destinée à la production de vapeur.The apparatus according to the invention can be autonomous, with an integrated water reservoir, or comprise a handpiece which is formed by the arms and a base station to which the handpiece is connected, which comprises a reservoir containing the water for steam production.

L'appareil comporte de préférence un peigne ayant des dents, porté par l'un desdits bras. Dans ce cas, ladite au moins une sortie de vapeur peut être intercalée entre le peigne et les surfaces de contact. Le peigne peut participer ainsi au confinement de la vapeur. Toujours dans ce cas, la structure de confinement comporte avantageusement un capotage pour le peigne. Un tel capotage peut recouvrir uniquement un côté des dents du peigne. En variante, le capotage recouvre les deux côtés des dents du peigne dans le sens de passage des cheveux. Alternativement, le capotage ne recouvre que le sommet des dents. Un avantage du capotage est qu'il peut contribuer au confinement de la vapeur. Un autre de ses avantages est qu'il force la mèche de cheveux à pénétrer, lors de son passage, entre les dents du peigne, ce qui améliore l'efficacité de peignage des cheveux. La mèche de cheveux est alors démêlée en premier lors du procédé de lissage et les fibres capillaires sont bien ordonnées avant de subir le traitement par la vapeur, ce qui permet d'améliorer l'efficacité de ce dernier. Ensuite, la mèche de cheveux passe entre les surfaces de contact qui sont maintenues fermées afin d'appliquer une pression sur cette dernière et de compléter le procédé de lissage. Selon cet agencement préférentiel, l'appareil est parfaitement ambidextre.The apparatus preferably comprises a comb having teeth, carried by one of said arms. In this case, said at least one steam outlet can be inserted between the comb and the contact surfaces. The comb can thus participate in the confinement of the vapor. Still in this case, the confinement structure advantageously comprises a cowling for the comb. Such a cowling can cover only one side of the teeth of the comb. As a variant, the cowling covers both sides of the teeth of the comb in the direction of passage of the hair. Alternatively, the cowling only covers the tops of the teeth. An advantage of cowling is that it can help contain vapor. Another of its advantages is that it forces the strand of hair to penetrate, during its passage, between the teeth of the comb, which improves the efficiency of combing the hair. The lock of hair is then disentangled first during the straightening process and the hair fibers are well ordered before undergoing the steam treatment, which makes it possible to improve the effectiveness of the latter. Then, the lock of hair passes between the contact surfaces which are held closed in order to apply pressure to the latter and complete the smoothing process. According to this preferential arrangement, the apparatus is perfectly ambidextrous.

La gorge précitée et le capotage du peigne peuvent être séparés, sur la structure de confinement, par une nervure disposée parallèlement à la gorge. Cette nervure peut être formée par une portion d'une pièce qui définit par ailleurs le capotage et la gorge, cette pièce étant réalisée d'un seul tenant par moulage de matière par exemple. Une telle nervure permet notamment de limiter le risque de contact entre le fond de la gorge et la mèche de cheveuxThe aforementioned groove and the cowling of the comb can be separated, on the confinement structure, by a rib arranged parallel to the groove. This rib can be formed by a portion of a part which also defines the cowling and the throat, this part being made in one piece by material molding for example. Such a rib makes it possible in particular to limit the risk of contact between the back of the throat and the lock of hair

La structure de confinement est par exemple située à proximité de la surface de contact, préférentiellement de la plaque, portée par le même bras. La structure de confinement peut être fixée sur la plaque c'est-à-dire sur la surface de contact, ou au contraire être indépendante de la plaque, par exemple avec un léger jeu fonctionnel, ce qui permet à la plaque de garder certains degrés de mobilité, par exemple de pouvoir pivoter sur elle-même.The confinement structure is for example located close to the contact surface, preferably the plate, carried by the same arm. The confinement structure can be fixed on the plate, that is to say on the contact surface, or on the contrary be independent of the plate, for example with a slight functional play, which allows the plate to keep certain degrees mobility, for example being able to pivot on itself.

De préférence, l'un des bras porte l'une des surfaces de contact, ladite au moins une sortie de vapeur et éventuellement le peigne, tandis que l'autre desdits bras porte l'autre des surfaces de contact, la structure de confinement et éventuellement le capotage du peigne.Preferably, one of the arms carries one of the contact surfaces, said at least one steam outlet and optionally the comb, while the other of said arms carries the other of the contact surfaces, the confinement structure and possibly the cowling of the reed.

De préférence, la ou les sorties de vapeur sont disposées en retrait par rapport à un plan défini par le bord de la zone de contact entre les surfaces de contact (en l'absence de cheveux) du côté de la ou des sorties de vapeur et la base des dents du peigne. Ceci permet d'éviter que les cheveux ne soient en contact avec les buses de vapeur et donc de limiter le risque d'encrassement ou d'obstruction de ces dernières. En outre, le plan de fermeture des surfaces de contact est situé au dessus du fond du peigne en position fermée de l'appareil ce qui permet d'éviter le décollement des cheveux de la tête en début de traitement des cheveux, dit « effet coussin ». Ainsi, grâce à cet agencement particulier, les cheveux peuvent être correctement mis en tension rectiligne entre le peigne et les surfaces de contact.Preferably, the steam outlet or outlets are set back with respect to a plane defined by the edge of the contact zone between the contact surfaces (in the absence of hair) on the side of the steam outlet or outlets and the base of the comb teeth. This makes it possible to prevent the hair from coming into contact with the steam nozzles and therefore to limit the risk of clogging or obstruction of the latter. In addition, the plane of closure of the contact surfaces is located above the bottom of the comb in the closed position of the device, which makes it possible to avoid the detachment of the hair from the head at the start of hair treatment, known as the "cushion effect". ". Thus, thanks to this particular arrangement, the hair can be correctly placed in rectilinear tension between the comb and the contact surfaces.

La structure de confinement est préférentiellement située au moins partiellement, voire totalement, en retrait par rapport à un plan reliant le bord de la zone de contact entre les surfaces de contact du côté de la structure de confinement et le sommet du peigne lorsque les bras sont en configuration rapprochée, ce qui permet de limiter le risque de contact entre la structure de confinement et la mèche de cheveux.The confinement structure is preferably located at least partially, or even totally, set back relative to a plane connecting the edge of the contact zone between the contact surfaces on the side of the confinement structure and the top of the comb when the arms are in a close configuration, which makes it possible to limit the risk of contact between the confinement structure and the lock of hair.

La structure de confinement peut comporter une seule pièce ou plusieurs pièces assemblées ensemble et réalisée(s) par exemple par moulage en matière thermoplastique, par exemple du PBT, ou en matière élastomère thermoplastique comme par exemple du TPE.The containment structure may comprise a single piece or several pieces assembled together and produced for example by molding in thermoplastic material, for example PBT, or in thermoplastic elastomer material such as for example TPE.

La gorge peut présenter une largeur, mesurée perpendiculairement à l'axe longitudinal des surfaces de contact, préférentiellement des plaques, et parallèlement aux surfaces chauffantes en configuration rapprochée des bras, comprise entre 1 et 20 mm, préférentiellement entre 2 et 12 mm et avantageusement sensiblement égale à 4 mm. La gorge peut présenter une profondeur comprise entre 1 mm et 15 mm, préférentiellement entre 2 et 5 mm, et avantageusement sensiblement égale à 2,5 mm. La gorge ne comporte pas de moyens de chauffage qui lui sont propres, tels qu'une résistance électrique. La température de la surface dans le fond de la gorge provient de préférence quasi-exclusivement du chauffage de cette surface causé par la projection de vapeur. Les bords de la gorge ne viennent pas, de préférence, en contact avec une surface du bras opposé portant ladite au moins une sortie de vapeur.The groove may have a width, measured perpendicular to the longitudinal axis of the contact surfaces, preferably of the plates, and parallel to the heating surfaces in close configuration of the arms, of between 1 and 20 mm, preferably between 2 and 12 mm and advantageously substantially equal to 4 mm. The groove may have a depth of between 1 mm and 15 mm, preferably between 2 and 5 mm, and advantageously substantially equal to 2.5 mm. The throat does not include any heating means of its own, such as an electrical resistance. The temperature of the surface in the bottom of the throat preferably comes almost exclusively from the heating of this surface caused by the projection of steam. The edges of the groove preferably do not come into contact with a surface of the opposite arm carrying said at least one steam outlet.

Le débit de vapeur cumulé pour la ou toutes les sorties de vapeur est de préférence compris entre 0,5 et 1,1 g/min, étant de préférence inférieur ou égal à 3,5 g/min, mieux inférieur ou égal à 1 g/min, par exemple compris entre 0,7 g/min et 0,9 g/min.The cumulative steam flow for the or all the steam outlets is preferably between 0.5 and 1.1 g/min, being preferably less than or equal to 3.5 g/min, better still less than or equal to 1 g / min, for example between 0.7 g / min and 0.9 g / min.

La ou les sorties de vapeur sont préférentiellement alimentées en vapeur par une chambre de vaporisation elle-même alimentée en eau par une pompe.The steam outlet or outlets are preferably supplied with steam by a vaporization chamber itself supplied with water by a pump.

Ladite au moins une sortie de vapeur comporte avantageusement au moins un canal d'éjection de vapeur et au moins une buse d'éjection de vapeur. Ce canal peut être orienté perpendiculairement à l'axe longitudinal du bras correspondant. La buse peut avoir la même orientation ; ainsi, la vapeur est émise dans une direction perpendiculaire aux surfaces de contact, et préférentiellement aux plaques, c'est-à-dire dans une direction perpendiculaire à la direction de défilement de la mèche de cheveux dans l'appareil.Said at least one steam outlet advantageously comprises at least one steam ejection channel and at least one steam ejection nozzle. This channel can be oriented perpendicular to the longitudinal axis of the corresponding arm. The nozzle can have the same orientation; thus, the steam is emitted in a direction perpendicular to the contact surfaces, and preferentially to the plates, that is to say in a direction perpendicular to the direction in which the lock of hair travels in the device.

De préférence, la ou les buses sont de forme conique à section circulaire, et la section des buses s'élargit en direction de la sortie des buses.Preferably, the nozzle or nozzles are of conical shape with a circular section, and the section of the nozzles widens in the direction of the outlet of the nozzles.

Ladite au moins une sortie de vapeur peut comporter entre 3 et 10 buses d'éjection de vapeur, de préférence 7 buses. La largeur maximale d'une buse est par exemple comprise entre 2 mm et 8 mm et avantageusement sensiblement égale à 5,3 mm. La hauteur d'une buse est par exemple comprise entre 2 et 10 mm, de préférence entre 3 et 6 mm, avantageusement sensiblement égale à 3,5 mm. La distance entre deux buses adjacentes, mesurée entre les axes de celles-ci, peut être comprise entre 5 et 20 mm et avantageusement sensiblement égale à 11 mm.Said at least one steam outlet may comprise between 3 and 10 steam ejection nozzles, preferably 7 nozzles. The maximum width of a nozzle is for example between 2 mm and 8 mm and advantageously substantially equal to 5.3 mm. The height of a nozzle is for example between 2 and 10 mm, preferably between 3 and 6 mm, advantageously substantially equal to 3.5 mm. The distance between two adjacent nozzles, measured between the axes of the latter, can be between 5 and 20 mm and advantageously substantially equal to 11 mm.

La gorge se trouve à distance de l'extrémité supérieure de la ou des buses d'éjection de vapeur, cette distance étant par exemple comprise entre 3 et 20 mm, préférentiellement entre 5 et 10 mm, lorsque mesurée selon l'axe longitudinal du bras en position fermée.The throat is at a distance from the upper end of the steam ejection nozzle or nozzles, this distance being for example between 3 and 20 mm, preferably between 5 and 10 mm, when measured along the longitudinal axis of the arm in closed position.

La vapeur est de préférence de la vapeur d'eau, notamment sans additif.The steam is preferably steam, in particular without additive.

La ou chaque buse d'éjection de vapeur est de préférence montée à une extrémité du ou de chaque canal d'éjection de vapeur. Chaque canal présente par exemple une largeur comprise entre 0,2 mm et 5 mm, avantageusement sensiblement égale à 1,6 mm. Chaque canal présente par exemple une hauteur comprise entre 1 mm et 15 mm, avantageusement sensiblement égale à 5 mm.The or each steam ejection nozzle is preferably mounted at one end of the or each steam ejection channel. Each channel has for example a width of between 0.2 mm and 5 mm, advantageously substantially equal to 1.6 mm. Each channel has for example a height comprised between 1 mm and 15 mm, advantageously substantially equal to 5 mm.

Les buses peuvent être identiques entre elles. Les canaux peuvent être identiques entre eux.The nozzles may be identical to one another. The channels can be identical to each other.

L'appareil peut ne pas comporter de réservoir pour une composition cosmétique, ni d'applicateur de composition cosmétique.The device may not include a reservoir for a cosmetic composition, nor a cosmetic composition applicator.

Toutefois, l'invention n'exclut pas une telle application de composition par l'appareil, à l'aide par exemple d'un applicateur porté par l'un des bras, ni une application préalable au traitement par l'appareil ou postérieure à celui-ci.However, the invention does not exclude such an application of composition by the apparatus, using for example an applicator carried by one of the arms, nor an application prior to the treatment by the apparatus or subsequent to this one.

Brève description des figuresBrief description of figures

L'invention pourra être mieux comprise à la lecture de la description détaillée qui va suivre, d'exemples de mise en œuvre non limitatifs de celle-ci, et à l'examen du dessin annexé, sur lequel :

  • la figure 1 représente schématiquement, en perspective latérale, un exemple d'appareil de traitement de la chevelure conforme à l'invention,
  • la figure 2 représente schématiquement, vu en perspective de l'autre côté, l'appareil de la figure 1, l'appareil ayant été retourné,
  • la figure 3 représente de manière schématique, en perspective frontale, l'appareil de la figure 1,
  • la figure 4A est une vue schématique, en coupe transversale, de l'appareil de la figure 1,
  • les figures 4B et 4C sont des vues agrandies selon IVB et IVC de la figure 4A,
  • la figure 5 est une vue schématique et partielle de dessus de la partie intérieure d'un des bras de l'appareil de la figure 1,
  • la figure 6 est une coupe longitudinale, partielle et schématique, de l'appareil de la figure 1,
  • la figure 7 est une coupe transversale schématique et en perspective de l'appareil de la figure 1,
  • la figure 8 est une coupe transversale, schématique et partielle, d'un autre exemple d'appareil conforme à l'invention,
  • la figure 9 est une coupe transversale schématique et partielle d'un autre exemple d'appareil conforme à l'invention,
  • la figure 10 est une vue de côté schématique et partielle d'un autre exemple d'appareil selon l'invention,
  • la figure 11 illustre de manière schématique, en coupe transversale, une variante d'appareil conforme à l'invention, et
  • la figure 12 est une vue isolée, schématique et en perspective, de l'élément d'étanchéité de l'appareil de la figure 1.
The invention can be better understood on reading the detailed description which follows, of non-limiting examples of implementation thereof, and on examining the appended drawing, in which:
  • the figure 1 schematically represents, in lateral perspective, an example of a hair treatment device according to the invention,
  • the figure 2 schematically represents, seen in perspective from the other side, the device of the figure 1 , the device having been returned,
  • the picture 3 schematically represents, in frontal perspective, the apparatus of the figure 1 ,
  • the figure 4A is a schematic cross-sectional view of the apparatus of the figure 1 ,
  • them figures 4B and 4C are enlarged views according to IVB and IVC of the figure 4A ,
  • the figure 5 is a schematic and partial top view of the interior part of one of the arms of the apparatus of the figure 1 ,
  • the figure 6 is a longitudinal section, partial and schematic, of the apparatus of the figure 1 ,
  • the figure 7 is a schematic and perspective cross-section of the apparatus of the figure 1 ,
  • the figure 8 is a cross-section, schematic and partial, of another example of apparatus in accordance with the invention,
  • the figure 9 is a diagrammatic and partial cross-section of another example of apparatus in accordance with the invention,
  • the figure 10 is a schematic and partial side view of another example of apparatus according to the invention,
  • the figure 11 schematically illustrates, in cross section, a variant of an apparatus according to the invention, and
  • the figure 12 is an isolated, schematic and perspective view of the sealing element of the apparatus of the figure 1 .

Description détaillée de modes de réalisationDetailed description of embodiments

Dans la suite de la description, les éléments identiques ou de fonctions identiques portent le même signe de référence. Leur description n'est pas reprise en regard de chacune des figures, seules les principales différences entre les modes de réalisation étant mentionnées.In the remainder of the description, identical elements or identical functions bear the same reference sign. Their description is not repeated next to each of the figures, only the main differences between the embodiments being mentioned.

On a représenté sur la figure 1 un appareil 1 de traitement de la chevelure, conforme à un premier exemple de réalisation selon l'invention.We represented on the figure 1 an apparatus 1 for treating the hair, in accordance with a first example of embodiment according to the invention.

Dans l'exemple illustré, l'appareil 1 est autonome, avec réservoir d'eau 2 intégré. Seule une partie du cordon d'alimentation électrique 3 est visible sur les figures 1 et 2.In the example shown, the device 1 is autonomous, with integrated water tank 2. Only part of the power supply cord 3 is visible on the figures 1 and 2 .

L'appareil 1 comporte deux bras 4 et 5 s'étendant selon un axe longitudinal Y, mobiles l'un par rapport à l'autre, pouvant prendre une configuration écartée d'introduction d'une mèche de cheveux entre eux et une configuration rapprochée de traitement de la mèche de cheveux. Les figures 1, 2 et 3 notamment illustrent cette dernière configuration. La figure 10 représente la configuration écartée des bras 4 et 5, d'introduction d'une mèche de cheveux entre eux.The device 1 comprises two arms 4 and 5 extending along a longitudinal axis Y, movable relative to each other, which can take a spaced configuration for introducing a lock of hair between them and a close configuration treatment of the lock of hair. The figures 1, 2 and 3 particular illustrate this last setup. The figure 10 represents the separated configuration of the arms 4 and 5, for introducing a lock of hair between them.

Les bras 4 et 5 sont articulés entre eux au moyen d'une liaison pivot 6 de manière à former une pince. Les boîtiers des bras 4 et 5 comportent des coques respectives 17 et 18, qui logent différents éléments constitutifs de l'appareil. Les bras 4 et 5 sont déplaçables dans la configuration rapprochée le long de la mèche de cheveux à traiter et comprennent des parties proximales respectives 4a et 5a qui peuvent être concomitamment saisies d'une main pour manipuler l'appareil 1.The arms 4 and 5 are articulated together by means of a pivot connection 6 so as to form a clamp. The casings of the arms 4 and 5 comprise respective shells 17 and 18, which house various constituent elements of the apparatus. The arms 4 and 5 are movable in the close configuration along the lock of hair to be treated and comprise respective proximal parts 4a and 5a which can be concomitantly gripped with one hand to manipulate the device 1.

Les bras 4 et 5 comportent également des parties distales respectives 4b et 5b équipées de plaques 10 et 11 correspondantes, situées en vis-à-vis et qui permettent de pincer les cheveux entre elles.The arms 4 and 5 also comprise respective distal parts 4b and 5b equipped with corresponding plates 10 and 11, located opposite each other and which make it possible to pinch the hair between them.

Les plaques 10 et 11 définissent des surfaces respectives 13 et 12 de contact.Plates 10 and 11 define respective contact surfaces 13 and 12.

Dans l'exemple illustré, les surfaces 12 et 13 de contact sont sensiblement planes.In the example illustrated, the contact surfaces 12 and 13 are substantially planar.

La plaque 11 est chauffée par au moins un élément chauffant résistif 15 reçu dans un logement 22 du bras 5, non loin de la surface 12 de contact. En variante, les plaques 10 et 11 sont chauffées chacune par un dispositif de chauffe propre, auquel cas un autre élément chauffant résistif est monté dans le logement 23, par exemple.The plate 11 is heated by at least one resistive heating element 15 received in a housing 22 of the arm 5, not far from the contact surface 12. Alternatively, the plates 10 and 11 are each heated by its own heating device, in which case another resistive heating element is mounted in the housing 23, for example.

Il est à noter que des variantes sont envisageables pour la forme des surfaces de contact 12 et 13. On peut par exemple mettre en œuvre des surfaces incurvées, comme sur certains appareils de coiffure permettant le bouclage des cheveux, voire ondulées, comme celles utilisées pour le gaufrage des cheveux, voire même équipées d'une pluralité de protubérances, telles que des dents par exemple.It should be noted that variants are possible for the shape of the contact surfaces 12 and 13. It is possible for example to implement curved surfaces, as on certain hairdressing appliances allowing the curling of the hair, or even wavy, such as those used for the embossing of the hair, or even equipped with a plurality of protuberances, such as teeth for example.

L'appareil 1 comprend au moins une sortie de vapeur 20, en l'espèce plusieurs sorties, portées par le bras 4 à distance de la plaque 10, pour exposer à la vapeur les cheveux engagés entre les bras 4 et 5 lorsqu'ils se trouvent dans cette zone d'application de la vapeur.The device 1 comprises at least one steam outlet 20, in this case several outlets, carried by the arm 4 at a distance from the plate 10, to expose to steam the hair engaged between the arms 4 and 5 when they are found in this steam application area.

Conformément à l'invention, une structure de confinement 21 permet un confinement au moins partiel de la vapeur émise par l'appareil. Cette structure de confinement 21 est portée par le bras 5. Elle comporte dans cet exemple un renfoncement formé par une gorge 25 en regard des sorties de vapeur 20.In accordance with the invention, a containment structure 21 allows at least partial containment of the vapor emitted by the device. This containment structure 21 is carried by the arm 5. In this example, it comprises a recess formed by a groove 25 facing the steam outlets 20.

Dans l'exemple illustré, les sorties de vapeur 20 sont au nombre de 7 mais l'invention n'est pas limitée à un nombre particulier de sorties. Ces dernières sont situées à distance de la plaque 10 et non au sein de celle-ci. Cela permet de ne pas appliquer de vapeur sur la portion des cheveux positionnée entre les plaques 10 et 11 à un instant donné, et de préserver également les sorties de vapeur de tout risque d'encrassement ou de bouchage par des éléments qui pourraient se trouver sur les cheveux, tels que des restes de produits cosmétiques ou des pellicules. Le traitement thermique généré par les plaques 10 et 11 est ainsi dissocié de l'application de vapeur par les sorties 20.In the example illustrated, the steam outlets 20 are 7 in number, but the invention is not limited to a particular number of outlets. The latter are located at a distance from the plate 10 and not within it. This makes it possible not to apply steam to the portion of the hair positioned between the plates 10 and 11 at a given moment, and also to preserve the steam outlets from any risk of clogging or clogging by elements which could be on hair, such as leftover cosmetics or dandruff. The heat treatment generated by the plates 10 and 11 is thus dissociated from the application of steam through the outlets 20.

Le bras 4 comporte en outre un peigne 30 qui présente dans l'exemple illustré une seule rangée de dents 31, visible sur les figures 2 et 7 notamment. Le peigne peut comporter des dents rigides et/ou des poils souples comme par exemple des touffes de poils en soie.The arm 4 further comprises a comb 30 which has in the example illustrated a single row of teeth 31, visible on the figure 2 and 7 notably. The comb may comprise rigid teeth and/or flexible bristles such as, for example, tufts of silk bristles.

Chaque sortie de vapeur 20 comporte un canal 26 s'étendant selon un axe X visible sur les figures 4A et 4C, surmonté d'une buse 27, l'axe X étant celui de la sortie de vapeur. Chaque buse 27 présente une forme évasée vers l'extérieur. Ceci permet de diffuser la vapeur de manière homogène dans toute la zone de confinement et de renouveler en continu la vapeur qui s'échappe de la zone de confinement, notamment par l'avant et/ou l'arrière de l'appareil.Each steam outlet 20 comprises a channel 26 extending along an axis X visible on the figure 4A and 4C , surmounted by a nozzle 27, the axis X being that of the steam outlet. Each nozzle 27 has an outwardly flared shape. This makes it possible to diffuse the steam in a homogeneous manner throughout the confinement zone and to continuously renew the steam which escapes from the confinement zone, in particular via the front and/or the rear of the device.

La gorge 25 est centrée sur l'axe X, c'est-à-dire qu'en section transversale, l'axe de la gorge est confondu avec l'axe X de la sortie de vapeur. Le fond de la gorge se trouve à une distance d de l'extrémité supérieure 28 des buses 27 égale à environ 8,5 mm dans cet exemple, lorsque les bras 4 et 5 sont en position rapprochée. La gorge 25 ne comporte pas de système de chauffage qui lui est propre.The groove 25 is centered on the X axis, that is to say that in cross section, the axis of the groove coincides with the X axis of the steam outlet. The bottom of the groove is at a distance d from the upper end 28 of the nozzles 27 equal to approximately 8.5 mm in this example, when the arms 4 and 5 are in the close position. The groove 25 does not have its own heating system.

Comme visible sur la figure 6, chaque buse 27 présente par exemple une hauteur h de 2,8 mm et une largeur / maximale, à son extrémité supérieure, de 3,4 mm Chaque canal 26 présente par exemple une hauteur h' de 4,8 mm et une largeur /', correspondant à un diamètre intérieur, de 1,6 mm.As seen on the figure 6 , each nozzle 27 has for example a height h of 2.8 mm and a maximum width /, at its upper end, of 3.4 mm Each channel 26 has for example a height h' of 4.8 mm and a width / ', corresponding to an inside diameter of 1.6 mm.

La partie inférieure du bras 4 loge la chambre de vaporisation qui permet la création de la vapeur qui est ensuite projetée au travers des sorties 20 en passant par les canaux 26 et buses 27.The lower part of the arm 4 houses the vaporization chamber which allows the creation of the vapor which is then projected through the outlets 20 passing through the channels 26 and nozzles 27.

Une telle chambre de vaporisation peut comporter un dispositif de chauffe constitué par exemple d'une thermistance à coefficient de température positif, dite CTP, et un dispositif de mesure de la température du dispositif de chauffe constitué par exemple d'une thermistance à coefficient de température négatif, dite CTN. Ces dispositifs de chauffe et de mesure sont disposés dans le logement 24 visible sur les figures 4 et 7, sous le logement 23.Such a vaporization chamber may include a heating device consisting for example of a positive temperature coefficient thermistor, called PTC, and a device for measuring the temperature of the heating device consisting for example of a thermistor with a negative temperature coefficient, called NTC. These heating and measuring devices are arranged in the housing 24 visible on the figure 4 and 7 , under slot 23.

Le débit total de vapeur délivré par toutes les sorties de vapeur peut être compris entre 0,5 g/min et 0,8 g/min.The total steam flow delivered by all steam outlets can be between 0.5 g/min and 0.8 g/min.

Les sorties de vapeur 20 sont alimentées en vapeur par une chambre de vaporisation qui peut être alimentée au moyen d'une pompe et en particulier d'une pompe péristaltique, elle-même connectée au réservoir 2, ces éléments se trouvant préférentiellement dans le même bras 4.The steam outlets 20 are supplied with steam by a vaporization chamber which can be supplied by means of a pump and in particular a peristaltic pump, itself connected to the reservoir 2, these elements preferably being in the same arm 4.

Dans cet exemple, comme visible sur les figures 4A à 4C, le bras 5 comporte au moins une première pièce 140 de support de la plaque 11 et au moins une deuxième pièce 141 distincte de la première et séparée de celle-ci. L'appareil 1 comporte en outre un élément d'étanchéité 150, élastiquement déformable, comportant une portion proximale 151 s'étendant au moins partiellement autour de la plaque 11 entre cette dernière et la première pièce 140 et une portion distale 152 s'étendant au contact de la deuxième pièce 141, les portions proximale 151 et distale 152 étant reliées par une portion intermédiaire 153, flexible, s'étendant entre les première et deuxième pièces 140 et 141. La portion proximale 151 s'étend sur tout le pourtour de la plaque 11. Comme on peut le voir plus précisément sur la figure 4B, la portion proximale 151 de l'élément d'étanchéité 150 est pincée entre la plaque 11 et une nervure 155 de la première pièce 140. Dans cet exemple, la portion proximale 151 présente une section transversale généralement en forme de H. La portion proximale 151 présente une gorge 156 engagée dans un retour 157 de la plaque 11 et une gorge 158 opposée, engagée dans la nervure 155 de la première pièce 140.In this example, as seen on the figures 4A to 4C , the arm 5 comprises at least a first support part 140 of the plate 11 and at least a second part 141 distinct from the first and separate therefrom. The apparatus 1 further comprises an elastically deformable sealing element 150, comprising a proximal portion 151 extending at least partially around the plate 11 between the latter and the first part 140 and a distal portion 152 extending at the contact of the second part 141, the proximal 151 and distal 152 portions being connected by an intermediate portion 153, flexible, extending between the first and second parts 140 and 141. The proximal portion 151 extends over the entire circumference of the plate 11. As can be seen more precisely on the figure 4B , the proximal portion 151 of the sealing element 150 is clamped between the plate 11 and a rib 155 of the first part 140. In this example, the proximal portion 151 has a generally H-shaped cross section. 151 has a groove 156 engaged in a return 157 of the plate 11 and an opposite groove 158, engaged in the rib 155 of the first part 140.

La portion distale 152 est, quant à elle, pincée entre la deuxième pièce 141 et une troisième pièce 142 du bras 5, formée dans cet exemple par la coque 18.The distal portion 152 is, for its part, pinched between the second part 141 and a third part 142 of the arm 5, formed in this example by the shell 18.

La portion intermédiaire 153 présente au moins un coude en section transversale. Dans l'exemple illustré, la portion intermédiaire 153 est incurvée concave vers le bras 4 opposé, avec un fond en forme de U en section transversale. La portion intermédiaire 153 présente alors une forme similaire à un soufflet, tel qu'un soufflet d'accordéon qui confère à la portion intermédiaire 153 de l'élément d'étanchéité 150 une grande flexibilité, avantageusement pour pouvoir suivre le mouvement de la plaque 11 tel que décrit ci-après tout en garantissant l'étanchéité autour de la plaque 11.The intermediate portion 153 has at least one bend in cross section. In the example illustrated, the intermediate portion 153 is curved concave towards the opposite arm 4, with a U-shaped bottom in cross section. The intermediate portion 153 then has a shape similar to a bellows, such as an accordion bellows which gives the intermediate portion 153 of the sealing element 150 a great flexibility, advantageously to be able to follow the movement of the plate 11 as described below while guaranteeing sealing around the plate 11.

La plaque 11 a un contour de forme générale rectangulaire avec quatre côtés. La portion intermédiaire 153 et la portion distale 152 s'étendent autour de trois des quatre côtés de la plaque 11 seulement. La portion intermédiaire 153 et la portion distale 152 sont absentes du côté 16 de la plaque 11 le plus éloigné de ladite au moins une sortie de vapeur 20. Ainsi, on peut voir sur la figure 4A ou 4B que l'élément d'étanchéité 150 ne comporte que la partie proximale 151 du côté 16 de la plaque 11 qui est opposé à la sortie de vapeur 20. Sur les trois autres côtés de la plaque 11 la partie proximale 151 est prolongée par la partie intermédiaire 153 de l'élément d'étanchéité 150, comme visible notamment sur la figure 4A ou 4C. Le fait de limiter l'élément d'étanchéité 150 formant joint à la seule partie proximale 151 du côté 16 de la plaque permet de réduire la largeur de l'appareil 1 sans sensiblement nuire à l'étanchéité.Plate 11 has a generally rectangular outline with four sides. Intermediate portion 153 and distal portion 152 extend around three of the four sides of plate 11 only. The intermediate portion 153 and the distal portion 152 are absent from the side 16 of the plate 11 farthest from said at least one steam outlet 20. Thus, one can see on the figure 4A Where 4B that the sealing element 150 comprises only the proximal part 151 of the side 16 of the plate 11 which is opposite to the steam outlet 20. On the three other sides of the plate 11 the proximal part 151 is extended by the part intermediate 153 of the sealing element 150, as visible in particular on the figure 4A Where 4C . The fact of limiting the sealing element 150 forming a seal to only the proximal part 151 of the side 16 of the plate makes it possible to reduce the width of the appliance 1 without substantially impairing the sealing.

L'élément d'étanchéité 150, comme notamment visible de manière isolée sur la figure 12, a une forme non symétrique par rapport à un plan médian traversant la plaque 11 parallèlement à l'axe longitudinal Y de l'appareil 1 et perpendiculairement à une surface chauffante 12 de la plaque 11 faisant face à la plaque 10.The sealing element 150, as in particular visible in isolation on the figure 12 , has a non-symmetrical shape with respect to a median plane crossing the plate 11 parallel to the longitudinal axis Y of the device 1 and perpendicular to a heating surface 12 of the plate 11 facing the plate 10.

Selon cet exemple, la portion proximale 151 de l'élément d'étanchéité 150 est montée sur toute la périphérie de la plaque 11 en étant intercalée entre la plaque 11 et la première pièce 140 de support de plaque. En d'autres termes, la bordure périphérique de la plaque 11 est isolée de la première pièce 140 de support de plaque par l'élément d'étanchéité 150, ce qui permet de rendre étanche l'assemblage.According to this example, the proximal portion 151 of the sealing element 150 is mounted over the entire periphery of the plate 11, being interposed between the plate 11 and the first piece 140 of plate support. In other words, the peripheral edge of the plate 11 is isolated from the first plate support part 140 by the sealing element 150, which makes it possible to seal the assembly.

Toujours dans cet exemple, l'élément d'étanchéité 150 est présent sur un seul bras, à savoir le bras 5, ladite au moins une sortie de vapeur 20 étant portée par l'autre bras, à savoir le bras 4. La plaque 11 est, dans l'exemple illustré sur la figure 4A, montée pivotante sur le bras correspondant via l'engagement d'une tête 160 en forme de portion de sphère, ladite tête 160 étant solidaire de la première pièce 140 de support de la plaque 11. La portion de sphère est alors montée dans un logement défini par une paroi cylindrique 161 formée avec la coque 18 du bras 5.Still in this example, the sealing element 150 is present on a single arm, namely the arm 5, said at least one steam outlet 20 being carried by the other arm, namely the arm 4. The plate 11 is, in the example illustrated in the figure 4A , pivotally mounted on the corresponding arm via the engagement of a head 160 in the form of a sphere portion, said head 160 being integral with the first support part 140 of the plate 11. The sphere portion is then mounted in a housing defined by a cylindrical wall 161 formed with the shell 18 of the arm 5.

L'appui de la surface sphérique de la tête 160 sur le bord circulaire de la paroi 161 crée une liaison rotule qui permet à la plaque 11 de pivoter lorsque l'épaisseur de la mèche de cheveux qui est pincée entre les plaques n'est pas homogène, et ainsi d'avoir une plus grande surface de contact avec la mèche. La déformabilité de l'élément d'étanchéité 150 grâce à la portion intermédiaire 153 lui permet d'accompagner ce pivotement de la plaque 11 tout en jouant un rôle de barrière vis-à-vis de la vapeur.The support of the spherical surface of the head 160 on the circular edge of the wall 161 creates a ball joint which allows the plate 11 to pivot when the thickness of the lock of hair which is pinched between the plates is not homogeneous, and thus to have a larger contact surface with the wick. The deformability of the sealing element 150 thanks to the intermediate portion 153 allows it to accompany this pivoting of the plate 11 while acting as a barrier vis-à-vis the steam.

L'appareil 1 peut en outre comporter une carte électronique, non illustrée, configurée pour gérer l'alimentation électrique des éléments résistifs chauffants afin de contrôler la température de fonctionnement. Cette carte électronique peut être agencée à l'intérieur de l'un des deux bras 4 ou 5, par exemple dans la partie proximale 4a du bras 4, et disposer d'une interface utilisateur.The device 1 may also include an electronic card, not shown, configured to manage the power supply to the resistive heating elements in order to control the operating temperature. This electronic card can be arranged inside one of the two arms 4 or 5, for example in the proximal part 4a of the arm 4, and have a user interface.

L'appareil 1 peut en outre comprendre un capteur magnétique, non illustré, du type interrupteur à lame souple ILS, qui permet de détecter la configuration rapprochée des bras 4 et 5, dans laquelle les surfaces 12 et 13 sont sensiblement l'une contre l'autre pour pincer la mèche de cheveux à traiter. Dans une autre variante, l'interrupteur à lame souple est remplacé par un capteur magnéto-résistif MRS, ou par tout autre moyen de détection.The apparatus 1 may further comprise a magnetic sensor, not shown, of the reed switch type ILS, which makes it possible to detect the close configuration of the arms 4 and 5, in which the surfaces 12 and 13 are substantially one against the other. other to pinch the section of hair to be treated. In another variant, the flexible reed switch is replaced by a magneto-resistive sensor MRS, or by any other detection means.

Les sorties de vapeur 20 sont organisées dans l'exemple considéré en une rangée, cette dernière étant parallèle à l'axe longitudinal Y ainsi qu'à un bord latéral 37 de la plaque chauffante 10 et à la rangée de dents 31 du peigne 30, comme visible sur la figure 7. La rangée de sorties de vapeur est disposée entre le peigne 30 et le bord latéral 37 de la plaque 10. La distance f entre deux buses 27 adjacentes, mesurée entre les axes de celles-ci comme visible sur la figure 5, est par exemple égale à 9,7 mm.The steam outlets 20 are organized in the example considered in a row, the latter being parallel to the longitudinal axis Y as well as to a side edge 37 of the heating plate 10 and to the row of teeth 31 of the comb 30, as seen on the figure 7 . The row of steam outlets is arranged between the comb 30 and the side edge 37 of the plate 10. The distance f between two adjacent nozzles 27, measured between the axes of the latter as visible on the figure 5 , is for example equal to 9.7 mm.

Comme on peut le voir sur les figures 4A et 4C notamment, l'extrémité supérieure 28 de chaque sortie de vapeur 20 est en retrait par rapport au plan (Y, Z) défini par la surface 13, la distance e entre celle-ci et le plan (Y, Z) étant égale par exemple à 4,6 mm. L'extrémité supérieure 28 de chaque sortie de vapeur 20 est également en retrait par rapport au plan T reliant l'extrémité M de la surface 13 et la base N des dents du peigne, comme visible sur la figure 9.As can be seen on the figure 4A and 4C in particular, the upper end 28 of each steam outlet 20 is set back relative to the plane (Y, Z) defined by the surface 13, the distance e between the latter and the plane (Y, Z) being equal for example at 4.6mm. The upper end 28 of each steam outlet 20 is also recessed with respect to the plane T connecting the end M of the surface 13 and the base N of the teeth of the comb, as visible on the figure 9 .

La structure de confinement 21 comporte, outre la gorge 25, un capotage 40 pour le peigne, séparé de la gorge 25 par une nervure 41. Cette dernière s'étend parallèlement à l'axe longitudinal Y. La structure de confinement 21 est constituée par une seule pièce moulée en matière thermoplastique, dans l'exemple illustré. On ne sort pas du cadre de l'invention lorsque la structure de confinement 21 est réalisée à partir de plusieurs pièces assemblées ensemble.The containment structure 21 comprises, in addition to the groove 25, a cowling 40 for the comb, separated from the groove 25 by a rib 41. The latter extends parallel to the longitudinal axis Y. The containment structure 21 is constituted by a single molded piece of thermoplastic material, in the example shown. We do not depart from the scope of the invention when the containment structure 21 is made from several parts assembled together.

La structure de confinement 21 est située en majeure partie en retrait par rapport à un plan W illustré en pointillés sur la figure 7, reliant le bord O de la zone de contact entre les plaques 10 et 11 en configuration rapprochée des bras 4 et 5, et le sommet du peigne 31 correspondant à la droite F joignant les extrémités des dents de peigne. La nervure 41, dans cet exemple, dépasse légèrement sous le plan W.The containment structure 21 is located for the most part set back relative to a plane W illustrated in dotted lines on the figure 7 , connecting the edge O of the contact zone between the plates 10 and 11 in close configuration of the arms 4 and 5, and the top of the comb 31 corresponding to the line F joining the ends of the comb teeth. Rib 41, in this example, protrudes slightly below the W plane.

La fixation de la structure de confinement 21 sur le bras associé peut s'effectuer de diverses façons. Dans l'exemple illustré, la pièce qui définit la structure de confinement 21 est accolée et fixée à la coque 18 par n'importe quel moyen d'assemblage connu en tant que tel, tel que vissage, collage, soudure ou encliquetage.The fixing of the containment structure 21 on the associated arm can be done in various ways. In the example illustrated, the part which defines the containment structure 21 is joined and fixed to the shell 18 by any assembly means known as such, such as screwing, gluing, welding or snap-fastening.

La gorge 25 présente une section transversale de forme concave, notamment sensiblement semi-circulaire, de largeur i, mesurée perpendiculairement à l'axe longitudinal Y des plaques 10 et 11 et parallèlement aux surfaces 12 et 13 en configuration rapprochée des bras 4 et 5, par exemple égale à 3,5 mm et de profondeur p par exemple égale à 1,8 mm, mais l'invention n'est pas limitée à une forme de section particulière, et des sections en U, en V ou semi-elliptiques sont possibles. Dans l'exemple illustré, la gorge 25 ne présente pas de bords symétriques par rapport à un plan parallèle à l'axe X.The groove 25 has a cross-section of concave shape, in particular substantially semi-circular, of width i, measured perpendicular to the longitudinal axis Y of the plates 10 and 11 and parallel to the surfaces 12 and 13 in close configuration of the arms 4 and 5, for example equal to 3.5 mm and of depth p for example equal to 1.8 mm, but the invention is not limited to a particular section shape, and U-, V- or semi-elliptical sections are possible. In the example illustrated, the groove 25 does not have symmetrical edges with respect to a plane parallel to the axis X.

Le capotage 40 ne recouvre dans cet exemple, en configuration rapprochée des bras, qu'une partie du côté intérieur 32 des dents 31 du peigne 30, c'est-à-dire celui tourné vers la plaque 11.The cowling 40 covers in this example, in close configuration of the arms, only part of the inner side 32 of the teeth 31 of the comb 30, that is to say that facing the plate 11.

Dans la variante illustrée sur la figure 8, le capotage 40 du peigne 30 recouvre une partie des côtés intérieur 32 et extérieur 33 des dents 31. Le capotage 40 peut comporter pour ce faire des parois 44 et 45 sensiblement parallèles respectivement aux côtés 32 et 33 des dents 31, à distance de ceux-ci et décalées vers le haut selon l'axe X. Dans ce cas, comme visible sur cette figure, seule la partie supérieure des dents 31 est recouverte par le capotage 40.In the variant illustrated in the figure 8 , the cowling 40 of the reed 30 covers part of the inner 32 and outer 33 sides of the teeth 31. The cowling 40 can comprise for this purpose walls 44 and 45 substantially parallel respectively to the sides 32 and 33 of the teeth 31, at a distance from those -ci and offset upwards along the X axis. In this case, as shown in this figure, only the upper part of the teeth 31 is covered by the cowling 40.

Le confinement apporté par le capotage 40 n'empêche pas la vapeur de s'échapper en passant entre les dents 31 du peigne 30 et par l'espace au-dessus de l'extrémité supérieure des dents 31 sous le capotage 40. Ce dernier peut néanmoins se comporter vis-à-vis de l'échappement de la vapeur comme un obstacle additionnel qui participe au confinement de celle-ci en amont des plaques 10 et 11.The confinement provided by the cowling 40 does not prevent the steam from escaping by passing between the teeth 31 of the comb 30 and through the space above the upper end of the teeth 31 under the cowling 40. The latter can nevertheless behave vis-à-vis the escape of the steam as an additional obstacle which participates in the confinement of the latter upstream of the plates 10 and 11.

On a matérialisé sur la figure 4A par des pointillés le volume V dans lequel la vapeur est principalement confinée, ce volume étant délimité du côté intérieur par les bords latéraux 37 et 38 des plaques 10 et 11, du côté extérieur par les dents 31 du peigne, et supérieurement par la gorge 25, la nervure 41 et le capotage 40. L'élément d'étanchéité 150 participe également à délimiter ce volume et à confiner la vapeur. Ce volume V peut être compris entre 2000 et 10000 mm3 étant par exemple proche de 5500 mm3. En d'autres termes, un volume V de vapeur est donc confiné entre le peigne 30, la structure de confinement 21, les plaques 10, 11, et les sorties de vapeur 20.We materialized on the figure 4A by dotted lines the volume V in which the vapor is mainly confined, this volume being delimited on the interior side by the lateral edges 37 and 38 of the plates 10 and 11, on the outside by the teeth 31 of the comb, and above by the groove 25, the rib 41 and the cowling 40. The sealing element 150 also participates in delimiting this volume and to confine the steam. This volume V can be between 2000 and 10000 mm 3 being for example close to 5500 mm 3 . In other words, a volume V of vapor is therefore confined between the comb 30, the confinement structure 21, the plates 10, 11, and the vapor outlets 20.

Comme on peut le voir sur la figure 6 notamment, au moins un pare-vapeur 43 peut être disposé sur le bras 4 à l'extrémité de la rangée de sorties de vapeur 20, côté partie proximale 4a, de manière à confiner la vapeur de ce côté-là.As can be seen on the figure 6 in particular, at least one vapor barrier 43 can be placed on the arm 4 at the end of the row of vapor outlets 20, on the proximal part 4a side, so as to confine the vapor on that side.

Il est à noter que les plaques 10 et 11 ne sont pas centrées sur l'appareil 1 mais décalées vers un bord latéral 6 de l'appareil 1, tandis que le peigne 30 jouxte parallèlement à celui-ci l'autre bord latéral 7 de l'appareil 1. La rangée de sorties de vapeur 20 s'étend entre le peigne et les plaques 10 et 11, parallèlement à ceux-ci et à l'axe longitudinal Y.It should be noted that the plates 10 and 11 are not centered on the device 1 but offset towards a side edge 6 of the device 1, while the comb 30 adjoins parallel thereto the other side edge 7 of the device 1. The row of steam outlets 20 extends between the comb and the plates 10 and 11, parallel to these and to the longitudinal axis Y.

Lors de l'utilisation de l'appareil 1, la mèche de cheveux traitée suit relativement à l'appareil 1 la direction illustrée sur la figure 4A, compte-tenu du déplacement de l'appareil le long de la mèche. Tout d'abord, une zone donnée des cheveux contacte les dents 31. Compte-tenu de la forme du capotage, les cheveux sont forcés par celui-ci de passer entre les dents 31 du peigne 30. La zone précitée de la mèche arrive ensuite dans le volume V où la vapeur peut s'accumuler, et elle y est exposée à la vapeur émise par les sorties de vapeur 20. Enfin, la zone en question est pincée entre les surfaces 12 et 13 chauffantes, où elle subit un traitement thermique sans vapeur. Avec une telle configuration, on obtient un lissage des cheveux satisfaisant dès le premier passage. La réduction du débit de vapeur permise par le confinement, de préférence à une valeur inférieure à 3,5 g/min, permet d'avoir une moindre humidité résiduelle à l'arrivée entre les plaques et d'obtenir de bons résultats.During the use of the device 1, the treated lock of hair follows, relative to the device 1, the direction illustrated in the figure 4A , taking into account the movement of the device along the wick. First of all, a given area of the hair contacts the teeth 31. Given the shape of the cowling, the hair is forced by it to pass between the teeth 31 of the comb 30. The aforementioned area of the lock then comes in the volume V where the steam can accumulate, and it is exposed there to the steam emitted by the steam outlets 20. Finally, the area in question is pinched between the heating surfaces 12 and 13, where it undergoes a heat treatment without steam. With such a configuration, satisfactory straightening of the hair is obtained from the first pass. The reduction in the steam flow allowed by the confinement, preferably to a value below 3.5 g/min, makes it possible to have less residual humidity on arrival between the plates and to obtain good results.

L'invention n'est pas limitée aux exemples qui viennent d'être décrits.The invention is not limited to the examples which have just been described.

Par exemple, l'appareil peut comporter un applicateur de produit capillaire, disposé par exemple au bord de la zone de contact entre les plaques ou avant le peigne, ou intercalé entre le peigne et la zone de confinement de la vapeur, ou entre cette dernière et les plaques.For example, the appliance may comprise a hair product applicator, arranged for example at the edge of the contact zone between the plates or before the comb, or inserted between the comb and the vapor confinement zone, or between the latter and the plates.

On peut modifier la structure de confinement. Par exemple on peut donner à la gorge 25 une forme ou une orientation autre.The containment structure can be modified. For example, the groove 25 can be given a different shape or orientation.

Le cas échéant, la nervure qui sépare la gorge du capotage dans l'exemple de la figure 8 est supprimée.If applicable, the rib that separates the groove from the cowling in the example of the figure 8 is deleted.

Dans le mode de réalisation illustré sur la figure 11, il n'y a pas de nervure entre la gorge et le capotage mais une zone convexe 50 séparant les parties concaves que forment la gorge 25 et le capotage 40. La gorge 25 ne constitue alors pas une cavité sensiblement fermée latéralement vers le capotage 40. Par ailleurs, la gorge 25 présente, dans cet exemple, un axe G transversal et passant par le fond de la gorge, ledit axe G formant un angle α non nul, égal dans cet exemple à 45° avec l'axe X de la sortie de vapeur. L'axe G est orienté de telle sorte que la gorge 25 est généralement tournée vers le peigne, comme visible sur la figure. Un tel agencement permet avantageusement d'orienter le confinement de la vapeur en direction du peigne 30 et à l'opposé des plaques 10, 11.In the embodiment illustrated in the figure 11 , there is no rib between the groove and the cowling but a convex zone 50 separating the concave parts formed by the groove 25 and the cowling 40. The groove 25 then does not constitute a cavity substantially closed laterally towards the cowling 40 Furthermore, the groove 25 has, in this example, a transverse axis G passing through the bottom of the groove, said axis G forming a non-zero angle α, equal in this example to 45° with the axis X of the steam outlet. Axis G is oriented such that groove 25 is generally turned towards the comb, as shown in the figure. Such an arrangement advantageously makes it possible to orient the confinement of the vapor in the direction of the comb 30 and away from the plates 10, 11.

Par ailleurs, sur cette figure 11, on peut voir un ressort hélicoïdal 162 qui prend appui à une extrémité dans le fond du logement défini par la paroi cylindrique 161 et à l'autre extrémité contre la tête 160. Sur cette figure, la structure de confinement 21 est située en retrait par rapport au plan W reliant le bord de la zone de contact entre les plaques 10 et 11 en configuration rapprochée des bras 4 et 5, et le sommet du peigne 31 pour éviter le contact de la mèche de cheveux avec la structure de confinement 21 tout en ménageant un certain volume de vapeur entre ladite structure 21 et ladite mèche.Moreover, on this figure 11 , one can see a helical spring 162 which bears at one end in the bottom of the housing defined by the cylindrical wall 161 and at the other end against the head 160. In this figure, the containment structure 21 is set back by relative to the plane W connecting the edge of the contact zone between the plates 10 and 11 in the close configuration of the arms 4 and 5, and the top of the comb 31 to avoid the contact of the lock of hair with the confinement structure 21 while providing a certain volume of vapor between said structure 21 and said wick.

Claims (15)

Appareil (1) de traitement de la chevelure, comportant : - deux bras (4, 5) mobiles l'un par rapport à l'autre, pouvant prendre une configuration écartée d'introduction d'une mèche de cheveux entre eux et une configuration rapprochée de traitement de la mèche de cheveux, les bras (4, 5) étant déplaçables dans cette configuration rapprochée le long de la mèche, - deux surfaces de contact (12, 13) portées respectivement par les deux bras (4, 5), disposées en vis-à-vis, l'une au moins des surfaces de contact (12, 13) étant chauffante, - au moins une sortie de vapeur (20) portée par l'un des bras (4) à distance de la surface de contact (13) correspondante, pour exposer à la vapeur les cheveux engagés entre les bras (4, 5), - une structure de confinement (21), permettant un confinement au moins partiel de la vapeur, portée au moins en partie par l'autre desdits bras (5). Apparatus (1) for treating the hair, comprising: - two arms (4, 5) movable relative to each other, which can assume a spaced configuration for introducing a lock of hair between them and a close configuration for processing the lock of hair, the arms ( 4, 5) being movable in this close configuration along the wick, - two contact surfaces (12, 13) carried respectively by the two arms (4, 5), arranged facing each other, at least one of the contact surfaces (12, 13) being heated, - at least one steam outlet (20) carried by one of the arms (4) at a distance from the corresponding contact surface (13), to expose the hair engaged between the arms (4, 5) to steam, - a containment structure (21), allowing at least partial containment of the steam, carried at least in part by the other of said arms (5). Appareil selon la revendication 1, la structure de confinement (21) présentant au moins un renfoncement (25) situé en regard de ladite au moins une sortie de vapeur (20).Apparatus according to claim 1, the containment structure (21) having at least one recess (25) located facing said at least one vapor outlet (20). Appareil selon la revendication 2, le renfoncement formant une gorge (25).Apparatus according to claim 2, the recess forming a groove (25). Appareil selon la revendication 3, dans lequel l'axe de la gorge (25) est parallèle à un axe (X) de la sortie de vapeur.Apparatus according to claim 3, wherein the axis of the groove (25) is parallel to an axis (X) of the steam outlet. Appareil selon l'une quelconque des revendications précédentes, comportant un peigne (30) ayant des dents (31), porté par l'un desdits bras (4).Apparatus according to any preceding claim, including a comb (30) having teeth (31), carried by one of said arms (4). Appareil selon la revendication précédente dans lequel ledit un des bras (4) porte l'une des surfaces de contact (13), ladite au moins une sortie de vapeur (20) et le peigne (30), tandis que l'autre desdits bras (5) porte l'autre des surfaces de contact (12), et la structure de confinement (21).Apparatus according to the preceding claim wherein said one of the arms (4) carries one of the contact surfaces (13), said at least one steam outlet (20) and the comb (30), while the other of said arms (5) carries the other of the contact surfaces (12), and the containment structure (21). Appareil selon la revendication 6, ladite au moins une sortie de vapeur (20) étant intercalée entre le peigne (30) et les surfaces de contact (12, 13).Apparatus according to claim 6, said at least one steam outlet (20) being interposed between the comb (30) and the contact surfaces (12, 13). Appareil selon l'une quelconque des revendications 5 à 7, dans lequel ladite au moins une sortie de vapeur (20) est disposée en retrait par rapport à un plan (T) défini par le bord de la zone de contact entre les surfaces de contact (12, 13) du côté de ladite au moins une sortie de vapeur (20) et la base des dents du peigne (30).Apparatus according to any one of claims 5 to 7, wherein said at least one vapor outlet (20) is set back from a plane (T) defined by the edge of the contact area between the contact surfaces (12, 13) on the side of said at least one steam outlet (20) and the base of the comb teeth (30). Appareil selon l'une quelconque des revendications 5 à 8, dans lequel la structure de confinement (21) comporte un capotage (40) pour le peigne (30).Apparatus according to any of claims 5 to 8, wherein the containment structure (21) includes a shroud (40) for the comb (30). Appareil selon la revendication précédente, dans lequel la structure de confinement (21) est située au moins partiellement en retrait par rapport à un plan (W) reliant le bord de la zone de contact entre les surfaces de contact (12, 13) et le sommet du peigne (30) lorsque les bras (4, 5) sont en configuration rapprochée.Apparatus according to the preceding claim, in which the confinement structure (21) is located at least partially set back with respect to a plane (W) connecting the edge of the contact zone between the contact surfaces (12, 13) and the top of the comb (30) when the arms (4, 5) are in close configuration. Appareil selon la revendication précédente et la revendication 3 , dans lequel la gorge (25) et le capotage (40) du peigne (30) sont séparés, sur la structure de confinement (21), par une nervure (41) disposée parallèlement à la gorge (25).Apparatus according to the preceding claim and claim 3, in which the groove (25) and the cowling (40) of the comb (30) are separated, on the confinement structure (21), by a rib (41) arranged parallel to the throat (25). Appareil selon l'une quelconque des revendications précédentes, dans lequel la structure de confinement (21) est située à proximité de la surface de contact portée par le même bras (5).Apparatus according to any preceding claim, wherein the containment structure (21) is located close to the contact surface carried by the same arm (5). Appareil selon la revendication 3 et l'une quelconque des revendications précédentes, dans lequel la gorge (25) présente une largeur (i) comprise entre 1 mm et 20 mm, préférentiellement entre 2 et 12 mm et avantageusement sensiblement égale à 4 mm, et une profondeur (p) comprise entre 1 mm et 15 mm préférentiellement entre 2 et 5 mm et avantageusement sensiblement égale à 2,5 mm.Apparatus according to claim 3 and any one of the preceding claims, in which the groove (25) has a width (i) of between 1 mm and 20 mm, preferably between 2 and 12 mm and advantageously substantially equal to 4 mm, and a depth (p) of between 1 mm and 15 mm, preferably between 2 and 5 mm and advantageously substantially equal to 2.5 mm. Appareil selon l'une quelconque des revendications précédentes, dans lequel le débit de vapeur cumulé pour la ou toutes les sorties de vapeur est inférieur ou égal à 3,5 g/min,.Apparatus according to any preceding claim, wherein the cumulative steam flow for the or all steam outlets is less than or equal to 3.5 g/min. Appareil selon l'une quelconque des revendications précédentes, dans lequel ladite au moins une sortie de vapeur (20) comporte au moins un canal (26) d'éjection de vapeur et au moins une buse (27) d'éjection de vapeur.Apparatus according to any preceding claim, wherein said at least one steam outlet (20) includes at least one steam ejection channel (26) and at least one steam ejection nozzle (27).
EP22187668.3A 2017-12-22 2018-12-21 Hair treatment device with steam containment Active EP4098145B1 (en)

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EP3727076B1 (en) 2022-09-07
CN109953464B (en) 2023-09-29
CN109953464A (en) 2019-07-02
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EP3727076A1 (en) 2020-10-28
JP7337066B2 (en) 2023-09-01
FR3075575A1 (en) 2019-06-28
ES2927718T3 (en) 2022-11-10
CN210227225U (en) 2020-04-03
RU2020118173A3 (en) 2022-02-25
FR3075575B1 (en) 2021-08-27
US20200397110A1 (en) 2020-12-24
JP2021507756A (en) 2021-02-25
WO2019122399A1 (en) 2019-06-27
RU2020118173A (en) 2022-01-24

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