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EP3986200B1 - Haarbehandlungsvorrichtung mit verbesserter dichtung und effizienz - Google Patents

Haarbehandlungsvorrichtung mit verbesserter dichtung und effizienz Download PDF

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Publication number
EP3986200B1
EP3986200B1 EP20732945.9A EP20732945A EP3986200B1 EP 3986200 B1 EP3986200 B1 EP 3986200B1 EP 20732945 A EP20732945 A EP 20732945A EP 3986200 B1 EP3986200 B1 EP 3986200B1
Authority
EP
European Patent Office
Prior art keywords
contact surface
contact
sealing element
hair
steam
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.)
Active
Application number
EP20732945.9A
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English (en)
French (fr)
Other versions
EP3986200C0 (de
EP3986200A1 (de
Inventor
Mathias GANEM
Johan Sabattier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP3986200A1 publication Critical patent/EP3986200A1/de
Application granted granted Critical
Publication of EP3986200C0 publication Critical patent/EP3986200C0/de
Publication of EP3986200B1 publication Critical patent/EP3986200B1/de
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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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • 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 a hair treatment device, and more particularly a clamp-type straightening iron.
  • the present invention aims to overcome the aforementioned drawbacks.
  • An objective of the invention is to propose a hair treatment device which is particularly effective, in particular by making it possible to limit the number of passes over the hair.
  • Another objective of the invention is to provide a hair treatment device which is particularly safe, reliable and robust.
  • Another objective of the invention is to provide a hair treatment device which is particularly ergonomic and comfortable to use.
  • Another objective of the invention is to provide a hair treatment device which is inexpensive and simple to manufacture.
  • hair can include the corresponding human or animal keratin fibers as well as synthetic fibers called "extensions" which are sometimes attached to a person's natural hair by different means, in particular by collage, in order for example to modify the appearance of a person's natural hair.
  • central window is meant a main opening disposed substantially in the center of the sealing element. This central window makes it possible to accommodate the first support part, the first contact surface and therefore allows the sealing element to go at least partially, and advantageously completely, around these elements.
  • the sealing element comprises a plurality of openings.
  • said plurality of openings is regularly distributed around the central window.
  • the invention it is thus possible to benefit from an appliance in which the pressure force given by the user to the first and second arms is fully transmitted to the contact surfaces.
  • the direct contact between the first part and the first contact surface through said at least one opening, and preferably, through the plurality of openings guarantees full transmission of the mechanical forces. There is therefore no loss of force, and the user is not obliged to force the appliance to obtain a good hairdressing result.
  • the openings are regularly distributed around the central window this guarantees a homogeneous distribution of the forces.
  • the presence of the sealing element although it comprises one or more openings, guarantees the sealing of the appliance with respect to external elements and therefore improves the safety of use of the latter, its reliability and its robustness.
  • said sealing element has between 10 and 30 openings, preferably between 18 and 24, for example 20 or 22 openings.
  • said plurality of openings is regularly distributed around the first contact surface, advantageously symmetrically.
  • the device comprises at least one steam outlet carried by one of the arms at a distance from the contact surface located on the same arm, to expose the hair engaged between the arms to steam. More precisely, the steam outlet is located at a distance from the contact surface because this makes it possible to clearly distinguish the treatment of the hair by steam then by the mechanical effect with the contact surface of the device. This brings a better result to the hairstyle, in particular by allowing the steam to open the scales of the hair before passing over the heated contact surface.
  • the expression remote implies in particular that the steam outlet is distinct from the contact surface, that it is not located inside the contact surface.
  • the invention we therefore benefit from both a device limiting the quantity of steam which can penetrate into an interior space of the arms, by the presence of the sealing element, while guaranteeing integral transmission of forces mechanical between the different parts.
  • the casing i.e. the shell of each arm
  • the smoothing plate i.e. the first contact surface
  • At least the first contact surface, and preferably each of the contact surfaces, is pivotally mounted on the corresponding arm, for example via a ball joint or the like.
  • the device comprises at least a second part distinct from the first part and separated from it, the sealing element, elastically deformable, comprising a proximal portion extending at least partially around the first contact surface between the latter and the first support part and a distal portion extending in contact with the second part, the proximal and distal portions being connected by an intermediate portion extending between the first and second parts and configured to form a screen to the steam.
  • the sealing element elastically deformable, comprising a proximal portion extending at least partially around the first contact surface between the latter and the first support part and a distal portion extending in contact with the second part, the proximal and distal portions being connected by an intermediate portion extending between the first and second parts and configured to form a screen to the steam.
  • the presence of the intermediate portion on the sealing element allows the latter to deform to accompany the pivoting of the contact surface, such that the movement of the latter is not unduly hindered by the presence of the sealing element.
  • the contact surface can then pivot to best match the thickness of the strand of hair in contact, and the effectiveness of the heat treatment is improved, while maintaining a perfect seal thanks to the presence of the three zones of the joint (proximal portion, distal portion, and intermediate portion which can be deformed).
  • the developed length of the intermediate portion measured in cross section, may be greater than 6 mm, in particular 7.5 mm, in particular be between 7 mm and 13 mm, in particular between 7.5 mm and 12 mm.
  • the intermediate portion connects the proximal and distal portions in such a way that we can have, if desired, a difference in height and/or width, that is to say along a horizontal and/or vertical plane, between the proximal portion and the distal portion, superior preferably 2mm and advantageously substantially equal to 3.5mm.
  • the proximal portion advantageously extends over the entire circumference of the first contact surface. A seal is therefore created all around this contact surface, thus preventing water or any other element from penetrating inside the device. In addition, this makes it possible to reinforce the mechanical fixation of the sealing element.
  • Said intermediate portion advantageously has at least one bend in cross section.
  • the intermediate portion is for example curved concave towards the opposite arm, preferably the arm carrying said at least one steam outlet, in particular with a U-shaped bottom in cross section.
  • the intermediate portion may include several bends, like a bellows, such as an accordion bellows.
  • the width of the intermediate portion of the joint is preferably greater than or equal to 1 mm.
  • the sealing element makes it possible to create an effective barrier against steam so that it does not penetrate inside the device, along the first contact surface.
  • the intermediate portion has flexibility which allows it to accept a greater positioning tolerance of the first and second parts relative to each other. This variation in positioning between the first and second parts can in fact be involuntary, resulting for example from variation in manufacturing, or on the contrary and advantageously, be voluntary resulting from controlled mobility of the first contact surface.
  • the first part is preferably in ball joint connection with the housing of the device so that it allows different degrees of freedom to be given to the smoothing contact surface so that the latter can best adapt to the thickness and positioning of the strand of hair.
  • Such an assembly is known to those skilled in the art or for example from the document FR3011449 so much so that it is not detailed here.
  • said at least one opening is made in the proximal portion. This makes it possible to simplify the construction of the device and in particular of the sealing element. In addition, this makes it possible to bring the opening(s) closer to the first contact surface and therefore the point(s) of contact between the latter and the first part, which contributes to optimizing the distribution of forces on the first contact surface.
  • said sealing element is pinched between the first contact surface and a rib of the first part, in particular having a generally H-shaped cross section, with a groove engaged in a return of the first contact surface and a groove opposite engaged in said rib of the first part.
  • it is the proximal portion which can be pinched according to the previous assembly. This makes it possible to hold the proximal portion of the sealing element in place in a sealed manner around the contact surface, and therefore more generally, to guarantee good retention in position of the sealing element around of the contact surface.
  • said at least one opening is made between the grooves so as to cause said grooves to communicate with each other. This allows a simple construction which guarantees the good transmission of mechanical forces.
  • the distal portion of the sealing element can be pinched between the second part and a third internal part of the first arm.
  • the second part may have a groove in which the distal portion is received at least partially, the third part having a rib applying to the distal portion directly above said groove.
  • the sealing element has a substantially rectangular shape with two sides forming the length of the rectangle and two sides forming the width of the rectangle, said plurality of openings being arranged only on the two sides forming the length of said rectangle.
  • This makes it possible to limit the number of openings to be made within the sealing element and therefore the manufacturing cost of the latter but also to facilitate the mounting of the sealing element on the other parts.
  • the absence of an opening on the two sides forming the width of the rectangle makes it possible to easily adjust the position of the sealing element during its assembly and possibly to slightly deform the latter if necessary.
  • Said plurality of openings is then advantageously distributed symmetrically on the two sides forming the length of the rectangle, relative to an axis parallel to said sides and passing through the center of the first contact surface.
  • the sealing element may have 10 or 11 openings on each of the sides forming the length of the rectangle.
  • said first part comprises on at least part of its periphery at least one slot in contact with the first contact surface through said at least one opening.
  • the sealing element comprises a plurality of openings
  • the first part then comprises on at least part of its periphery a plurality of slots in contact with the first contact surface through said plurality of openings.
  • said first part has between 10 and 30 slots, preferably between 18 and 24, for example 20 or 22 slots.
  • the plurality of slots is identical to the plurality of openings: that is to say that the number of slots of the first part corresponds exactly to the number of openings of the sealing element.
  • said plurality of slots is regularly distributed around the first part, advantageously symmetrically.
  • the first part comprises a plurality of slots in contact with the first contact surface through said plurality of openings on at least part of the periphery of the contact surface.
  • said first contact surface has a contour of generally rectangular shape with two sides forming the length of the rectangle and two sides forming the width of the rectangle, said plurality of slots being in contact with the first contact surface only on the two sides forming the length of said rectangle. This makes it easier to install the sealing element, as explained previously.
  • the intermediate portion and the distal portion can extend around three of the four sides of the first contact surface only. This makes it possible to limit the bulk linked to the sealing element and therefore the width of the device while forming a vapor barrier.
  • the intermediate portion and the distal portion are advantageously absent on the side of the first contact surface furthest from said at least one steam outlet.
  • the sealing element then only includes a bellows on three of these four sides, thus offering a remarkable compromise between sealing, flexibility and bulk.
  • the first part further comprises a support rib in contact with the first contact surface.
  • a support rib in contact with the first contact surface.
  • the intermediate portion may have a height which varies along at least one side of the first contact surface, and better along each side of the first contact surface.
  • the height of the intermediate portion is preferably minimum substantially at mid-length of at least one side of the first contact surface and increases towards the ends of said side to be maximum at the corners. This difference in height is advantageously provided to allow movements of the contact surface in the event of pivoting thereof, movements whose amplitude increases with the distance from the center of the rotation.
  • the developed length of the intermediate portion, measured in cross section is thus maximum at the corners, being at this location for example between approximately 10 and 13 mm, being preferably equal to 11.7 mm.
  • the developed length of the intermediate portion, measured in cross section is minimum in the middle of the sides, being at this location for example between approximately 6 mm and 10 mm, being preferably equal to 7.9 mm.
  • the sealing element has, in one embodiment, a non-symmetrical shape with respect to a median plane passing through the first contact surface parallel to a longitudinal axis of the device and perpendicular to a heating surface of the first surface of contact facing the second contact surface.
  • This lack of symmetry is linked to the absence of an intermediate portion and a distal portion on one of the sides of the first contact surface and makes it possible to reduce, as explained above, the width of the device, without however harming the waterproofing.
  • the sealing element is preferably present on a single arm, said at least one steam outlet then being carried by the other arm.
  • the concave curved portion of the sealing element is slightly offset relative to the steam outlet, for example by being offset by 7 mm.
  • the device may include a cartridge containing a cosmetic composition.
  • the second part can serve as a support for said cartridge, in particular having a slide in which the cartridge is engaged.
  • the cartridge may comprise a porous material impregnated with said composition, in particular a felt
  • the second part may comprise a rib applying against said porous material, on the side opposite the sealing element, the rib preferably partially penetrating said porous material.
  • the second part with its rib forms a seal with the porous material with respect to the steam emitted by said at least one steam outlet, what is more without generating additional costs.
  • the device may not include a cartridge for a cosmetic composition, nor a cosmetic composition applicator.
  • the second part advantageously faces said at least one steam outlet.
  • the device may also include at least one comb comprising at least one row of teeth, the comb preferably being carried by the second arm.
  • the device advantageously comprises a confined zone around said at least one steam outlet.
  • confined zone we mean 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.
  • This confined zone can be delimited by at least one of the following elements: a cartridge of cosmetic composition to be applied to the strand of hair, a comb, a confinement structure arranged substantially opposite said at least one steam outlet, a such confinement structure comprising for example at least one groove facing said at least one steam outlet and possibly, when the device comprises a comb, a covering of said comb, the second part, one side of the first and the second contact surface and any other element of the device partially creating confinement around said at least one steam outlet.
  • the confinement makes it possible to locally accumulate more steam in the volume between said at least one steam outlet and the confinement structure, which can lead to a reduction in the steam flow necessary for treating the hair.
  • We can reduce the quantity of steam necessary for the treatment, therefore extending the autonomy of the device and reducing the quantity of residual moisture in the hair when it comes out of the device.
  • the confined zone can contribute to better distribution of the steam longitudinally, between the steam outlets. The strand of hair can thus be treated more evenly in the transverse direction.
  • the relative partitioning created by the confined zone makes it possible to apply most of the steam only locally, during the passage of the strand of hair in the zone located at said at least one steam outlet.
  • the device 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 intended for steam production.
  • the cumulative steam flow rate for the steam outlet(s) is preferably between 0.5 and 1.1 g/min, 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.
  • 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, that is to say in a direction perpendicular to the direction of travel of the strand of hair in the device.
  • the nozzle(s) are of conical shape with a circular section, the section of the nozzles widening towards the outlet of the nozzles.
  • the or each steam ejection nozzle is preferably mounted at one end of the or each steam ejection channel.
  • the nozzles can be identical to each other.
  • the channels can be identical to each other.
  • the steam outlet(s) are preferably supplied with steam by a vaporization chamber which is itself supplied with water by a pump.
  • the steam is preferably water vapor, in particular without additives.
  • the device may include a device for heating the first contact surface consisting of a thermistor with a positive temperature coefficient, called PTC, and a device for measuring the temperature of the heating device consisting of a thermistor with a negative temperature coefficient, called CTN.
  • PTC positive temperature coefficient
  • CTN negative temperature coefficient
  • the device When the device includes a thermistor with a positive temperature coefficient and a thermistor with a negative coefficient, these can advantageously be arranged behind the first contact surface, and the device can include two plugs, in particular made of silicone, arranged at the longitudinal ends of the accommodation that receives them. This helps protect the PTC and NTC thermistors from any possible presence of condensate which could shorten leak lines and create a risk for the user.
  • Each plug is advantageously perforated with two holes in order to allow the wires of the CTN thermistor to pass at the front of the first contact surface and the wires of the CTP thermistor to the rear of the first contact surface.
  • the device can thus include a seal positioned behind said at least one steam outlet, in particular behind the last nozzle, on the side of the gripping area of the device. This seal is fixed for example on the second arm, and is configured to come into contact with the first arm in a position close to the arms.
  • the seal is preferably arranged between the end of said at least one steam outlet and a pivot connection allowing the arms to form a clamp. It is intended to extend, in a direction perpendicular to the longitudinal axis of the device, behind the contact surfaces and behind said at least one steam outlet, so as to produce a rear partition forcing the steam to flow. escape through the front of the device.
  • the third aforementioned part can advantageously have an elongated wall towards the gripping zone of the device, towards the rear of the latter.
  • the third part is in at least indirect contact with the first contact surface.
  • the third part is heated and can, through its elongated wall towards the gripping area, accelerate the heating of the shell. of the first arm, so as to limit the risk of steam condensation on the internal and external surfaces of this shell.
  • the vaporization chamber is advantageously supported by a support element in the second arm.
  • the support element of the vaporization chamber may include an elongated wall towards the gripping area of the device. This allows calories to be supplied to the internal and external surfaces of the shell of the second arm in order to limit condensation on these surfaces.
  • FIG. 1 We represented on the figure 1 a device 1 for treating hair, according to an exemplary embodiment according to the invention.
  • the device 1 is autonomous, with an integrated water tank 2. Only part of the power cord 3 is visible on the figures 1 and 2 .
  • the device 1 comprises a first arm 4 and a second arm 5 extending along a longitudinal axis Y of the device 1, movable relative to each other, being able to take a spaced configuration for introducing a strand of hair between them and a close configuration for processing the strand of hair.
  • THE figures 1, 2 and 3 in particular illustrate this last configuration.
  • Figure 4 schematizes, within a device 1, the spaced configuration of the first and second arms 4 and 5 for introducing a lock of hair between them.
  • the first and second arms 4 and 5 are articulated together by means of a pivot connection 6 so as to form a clamp.
  • the housing of each of the first and second arms 4 and 5 comprises a shell, respectively referenced 17 and 18, which houses different constituent elements.
  • the first and second 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 simultaneously grasped with one hand to manipulate the device 1.
  • the user will exert pressure with his hand on each of said proximal parts 4a and 5a so as to close the first and second arms 4 and 5.
  • the first and second arms 4 and 5 also comprise respective distal parts 4b and 5b equipped with corresponding first and second plates 10 and 11 facing each other which allow the hair to be pinched between them.
  • a certain force of pinching the hair is thus directly linked to the pressure exerted by the user on the proximal parts 4a and 5a to close the first and second arms 4 and 5.
  • the first and second plates 10 and 11 define respective first and second heated contact surfaces 12 and 13.
  • contact we mean contact with the strand of hair or any other hair fiber as mentioned above.
  • first and second contact surfaces 12 and 13 are substantially planar.
  • the first plate 10 is heated by at least one resistive heating element 15, in this case a PTC thermistor (positive temperature coefficient), received in a housing 22 of the first arm 4, not far from the first contact surface 12.
  • the first and second plates 10 and 11 are each heated by a separate heating device, in which case another resistive heating element is mounted in a housing 23, for example.
  • first and second contact surfaces 12 and 13 are possible, for example, to use curved surfaces, as on certain hairdressing devices allowing the curling of hair, or even wavy surfaces, such as those used for embossing hair, or even equipped with a plurality of protuberances, such as teeth for example.
  • the contact surfaces 12 and 13 are then complementary so as to properly pinch the lock of hair.
  • the device 1 also comprises at least one steam outlet 20, in this case several outlets, carried by the second arm 5, at a distance from the second plate 11, to expose the hair engaged between the first and second arms to steam. 4 and 5 when they are in this steam application zone. More precisely, in this example, the hair is thus exposed first to the steam thanks to the remote steam outlet 20, then subsequently, to the mechanical pressure of the contact surfaces 12 and 13.
  • the device 1 comprises at least one comb 30 comprising at least one row of teeth 31, the comb 30 being in this example carried by the second arm 5.
  • the comb 30 may comprise rigid teeth and/or flexible bristles, for example tufts of silken hairs or a combination of stiff teeth and soft hairs.
  • the first arm 4 comprises at least one first part 40 supporting the first plate 10 and at least one second part 41 distinct from the first and separated from it.
  • the apparatus 1 further comprises, in accordance with the invention, a sealing element 50, elastically deformable, which extends at least partially around the first plate 10 (or first contact surface 12) between the latter and the first support piece 40.
  • the sealing element comprises a central window 500, that is to say a main opening, which allows the sealing element 50 to be arranged around the first plate 10.
  • the The sealing element 50 goes all the way around the first plate 10 as can be seen in the other figures so as to prevent any external element (steam, water, cosmetic, solid body, etc.) from penetrating inside. of the first arm 4.
  • the sealing element has a plurality of openings 59 as can be seen on the figures 10 And 11 notably. These openings 59 are regularly distributed around the central window 500. Said first support part 40 and said first contact surface 12 are then in contact with one another through said plurality of openings 59, which allows to properly transmit the entire pinching force to the hair.
  • the sealing element 50 comprises 20 openings 59 distributed symmetrically and facing each other in pairs relative to the first plate 10. Each opening 59 has the shape of a rectangle having for example a length of approximately 6 mm and a width of approximately 1 mm.
  • openings 59 without departing from the scope of the invention.
  • a continuous groove so that the plurality of openings 59 would then be grouped together in a single, large longitudinal groove.
  • the sealing element 50 could thus have a single opening 59, or possibly two openings 59 arranged opposite each other.
  • the force is generated by the user's hand and is transmitted to the proximal part 4a of the first arm 4.
  • the latter transmits it to the distal part 4b.
  • the latter transmits the force to the first support part 40 for example via a third part 42 as can be seen on the figures 5 And 6 .
  • the first part 40 can then directly transmit the force to the first plate 10 through the sealing element, thanks to said plurality of openings 59, as can be seen in the figure 8 and the Figure 10 .
  • Such a construction guarantees integral transmission of the mechanical force, unlike the constructions known in the prior art which could generate force losses because of the elasticity of the sealing element 50.
  • said first part 40 comprises on at least part of its periphery a plurality of slots 401 as can be seen on the figures 8 And 12 .
  • slots we mean a succession of protrusions projecting from the first part 40 so as to form an uneven, cut, non-linear outline as can be seen in the Figure 12 , like the battlements finishing the walls of fortress.
  • the slots have a shape complementary to those of the openings 59.
  • the slots 401 have a substantially rectangular shape with a height (projection distance relative to the first part 40) of the order of 1 mm, on a length of around 6 mm for a width of around 1 mm.
  • These slots 401 are thus in contact with the first contact surface 12 through the plurality of openings 59 as shown in figure 8 . In other words, it is through these slots 401 that the pinching force is transmitted from the first part 40 to the first plate 10 (first contact surface 12), and therefore to the lock of hair.
  • the first plate has the same number of slots 401 as the number of openings 59, namely 20 in the example illustrated. This number was determined to allow good distribution of forces over the entire surface of the first plate 10 while maintaining acceptable manufacturing costs.
  • the sealing element 50 would have a single opening, it will be easily understood that the first part 40 then only has a single slot 401.
  • said plurality of slots 401 is in contact with the first plate 10 (or first contact surface 12) on at least part of the periphery of the first plate 10.
  • Said first plate 10 has an outline of generally rectangular shape with two sides forming the length of the rectangle and two sides forming the width of the rectangle, said plurality of slots 401 being in contact with the first plate 10 only on the two sides forming the length of said rectangle as can be seen in the Figure 12 . This guarantees both the good transmission of mechanical force as explained previously while facilitating the assembly of the device and minimizing the costs of various parts.
  • the first part 40 further comprises a support rib 402, or more precisely two support ribs 402, in contact with the first plate (or first contact surface 12).
  • These support ribs 402 extend over the entire length of the first plate, in directions parallel to the axis Y.
  • Such a construction makes it possible to relieve the slots 401 of part of the mechanical effort by also passing this effort by the support ribs 402.
  • the sealing element 50 comprises a proximal portion 51 extending at least partially around the first plate 10 between the latter and the first part 40 and a distal portion 52 extending in contact with the second part 41 , the proximal 51 and distal 52 portions being connected by an intermediate portion 53 extending between the first and second parts 40 and 41.
  • the width l1 of the intermediate portion 53 measured in a plane transverse to the longitudinal axis Y of the device 1, can be greater than 1 mm, being in particular less than 4 mm.
  • the developed length of the intermediate portion 53 measured in a transverse plane may be greater than 5 mm, in particular 7 mm.
  • the intermediate portion 53 connects the proximal 51 and distal 52 portions in such a way that we can have a difference in height ⁇ h, between a low point P of the proximal portion 51 and a low point Q of the distal portion 52, for example visible on the Figure 5 , preferably greater than 2 mm, being for example less than 6 mm, being for example substantially equal to 3.6 mm.
  • the total height of the sealing element 50 which corresponds to the distance measured between the point P and the top of the concave part of the intermediate portion 53, is preferably between 5 and 15 mm, knowing that this height changes according to the cross section of the sealing element 50.
  • this height is minimum in the middle of the length while it is maximum in the corners.
  • the minimum height is substantially equal to 8 mm and the maximum height is substantially equal to 10 mm.
  • the proximal portion 51 extends over the entire circumference of the first plate 10.
  • the plurality of openings 59 is made in the proximal portion 51 as can be seen in the Figure 10 .
  • the sealing element 50 has a substantially rectangular shape with two sides forming the length of the rectangle and two sides forming the width of the rectangle, said plurality of opening 59 is then arranged only on the two sides forming the length of said rectangle.
  • the proximal portion 51 of the sealing element 50 is pinched between the first plate 10 and a rib 55 of the first part 40.
  • the proximal portion 51 has a generally H-shaped cross section.
  • proximal 51 has a groove 56 engaged in a return 57 of the first plate 10 and an opposite groove 58 engaged in the rib 55 of the first part 40.
  • Said plurality of openings 59 is then made between said grooves 56, 58 so as to cause said grooves 56, 58 to communicate with each other as shown in Figure 11 .
  • This particular construction makes it possible in a remarkable way to guarantee excellent sealing since the H shape of the proximal portion ensures sealing between the first part 40 and the first plate 10 despite the presence of openings 59 between the grooves 56 and 58.
  • the distal portion 52 is, for its part, pinched between the second part 41 and a third internal part 42 of the first arm 4, formed in this example by an internal part of the shell 17.
  • the intermediate portion 53 has at least one bend in cross section.
  • the intermediate portion 53 is curved concave towards the second opposite arm 5, with a U-shaped bottom in cross section.
  • the first plate 10 has an outline of generally rectangular shape with four sides.
  • the intermediate portion 53 and the distal portion 52 extend around three of the four sides of the first plate 10 only.
  • the intermediate portion 53 and the distal portion 52 are absent from the side 16 of the first plate 10 furthest from said at least one steam outlet 20.
  • the other three sides of the first plate 10 are surrounded by the entire proximal portion 51, the distal portion 52 and the intermediate portion 53 of the sealing element 50. This makes it possible to reduce the width of the device 1 without significantly harming the seal.
  • the sealing element 50 has a non-symmetrical shape, as visible in particular on the Figure 10 , relative to a median plane passing through the first plate 10 parallel to the longitudinal axis Y of the device 1 and perpendicular to a first contact surface 12 of the first plate 10 facing the second plate 11.
  • the sealing element 50 is present on a single arm, namely the first arm 4, said at least one steam outlet 20 being carried by the other arm, namely the second arm 5.
  • the sealing element 50 and in particular the intermediate portion 53 is located in the steam ejection zone, possibly slightly offset from said at least one steam outlet 20 so as to form a steam shield.
  • lightly offset is meant an offset of between 2 and 15 mm and advantageously substantially equal to 7 mm relative to the axis of steam ejection.
  • the offset is towards the inside of the device.
  • the device 1 does not include a reservoir for a cosmetic composition, nor a cosmetic composition applicator.
  • the second part 41 faces said at least one steam outlet 20.
  • the device 1 comprises a confined zone 90 around said at least one steam outlet 20.
  • the confined zone 90 is delimited in this example by a confinement structure 21 formed by the second part 41 which allows at least partial confinement of the steam emitted by the device.
  • This confinement structure 21 comprises in this example a groove 25 facing the steam outlets 20.
  • the confined zone 90 is also delimited by the comb 30.
  • the confinement structure 21 also includes a covering 91 of said comb 30.
  • the first plate 10 is, in the example illustrated on the Figure 5 Or 6 , pivotally mounted on the corresponding first arm 4 via the engagement of a head 110 in the form of a portion of a sphere, formed in the first part 40, in a housing defined by a cylindrical wall 111 formed with the shell 17 of the first arm 4 .
  • the support of the spherical surface of the head 110 on the circular edge of the wall 111 creates a ball joint which allows the first plate 10 to pivot when the thickness of the lock of hair which is pinched between the plates is not not homogeneous or is not placed in the center of the first plate 10, and thus to have a larger contact surface with the wick.
  • a helical spring 62 which bears at one end in the bottom of the housing defined by the cylindrical wall 111 and at the other end against the head 110.
  • the deformability of the sealing element 50 thanks to the intermediate portion 53 allows it to accompany this pivoting of the first plate 10 while playing a role as a barrier against steam. Indeed, the bellows shape of said intermediate portion 53 gives the sealing element remarkable flexibility, while its proximal portion 51 and distal portion 53 are fixed, respectively with the first plate 10 and the second part 41.
  • the lower part of the second arm 5 houses the vaporization chamber which allows the creation of steam which is then projected through the steam outlets 20 passing through channels and nozzles.
  • Such a vaporization chamber may include a heating device consisting of a thermistor with a positive temperature coefficient, called CTP, and a device for measuring the temperature of the heating device consisting of a thermistor with a negative temperature coefficient, called CTN. .
  • the total steam flow delivered by all steam outlets can be between 0.5 g/min and 0.8 g/min or between 2 and 2.5 g/min.
  • the vaporization chamber is itself supplied by means of an electric pump and in particular a peristaltic pump, itself connected to the water tank 2, these elements being preferably located in the second arm 5.
  • the device 1 may also include an electronic card, not shown, configured to manage the electrical 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 5a of the second arm 5, and have a user interface.
  • the device 1 may further comprise a magnetic sensor, not illustrated, of the ILS flexible reed switch type, which makes it possible to detect the close configuration of the arms 4 and 5, in which the surfaces 12 and 13 are substantially against each other. 'other to pinch the section of hair to be treated.
  • the reed switch flexible could be replaced by a magnetoresistive MRS sensor, or by any other means of detection.
  • the second part 41 is different.
  • the second part 41 has a groove 60 in which the distal portion 52 is received at least partially, the third part 42 having a rib 61 applying to the distal portion 52 directly above said groove 60.
  • the intermediate portion 53 has a height h which varies along at least one side of the first plate 10, and along each side of the first plate 10 in which the intermediate portion 53 is present.
  • the height h of the intermediate portion 53 is minimum substantially at mid-length of at least one side of the first plate 10 and increases towards the ends of said side.
  • the difference in height h of the intermediate portion 53, maximum at the corners of the sides of the first plate 10 and minimum at the centers of the sides of the first plate 10, is chosen in particular so as to allow the pivoting of the first plate 10. Indeed, the further one moves away from the head 110, the greater the amplitude of the movements of the first plate 10 during pivoting through a given angle. These high amplitude movements are then remarkably facilitated by the difference in maximum height h at the corners, since the length of the bellows is then maximized.
  • the water tank is not integrated into the device 1 but in a separate station.
  • the device 1 can include a cartridge 80 containing a cosmetic composition C to be applied to the hair, the second part 41 serving as a support for said cartridge 80.
  • the second part 41 can then have a slide 81 in which the cartridge 80 is engaged .
  • the cartridge 80 comprises a porous material 82 impregnated with said composition C.
  • the porous material 82 is a felt.
  • the second part 41 comprises a rib 85 applying against said porous material 82, on the side opposite the sealing element 50. In this example, the rib 85 partially penetrates the porous material 82, as visible.
  • the cartridge 80 is also held in place, in this example by being engaged in a slide 86 of the device 1.
  • the confined zone 90 is delimited by the cartridge 80, the comb 30 and one side of the first and second plates 10 and 11.
  • the device 1 comprises a device for heating the first plate 10 consisting of a thermistor with a positive temperature coefficient CTP 15 and a device for measuring the temperature of the heating device consisting of a thermistor with a negative coefficient CTN 101.
  • CTP 15 and CTN 101 thermistors are, as visible on the Figure 9 , arranged behind the first plate 10.
  • the device 1 comprises two plugs 102, for example made of silicone, arranged at their longitudinal ends. This makes it possible to protect thermistors 15 and 101 from any possible presence of condensate which could shorten the leakage lines and create a risk for the user.
  • Each plug 102 is advantageously perforated with two holes, not visible in the figure for the sake of clarity of the drawing, in order to allow the wires of the thermistor 101 to pass at the front of the first plate 10 and the wires of the thermistor 15 to the rear of the first plate 10.

Landscapes

  • Hair Curling (AREA)
  • Surgical Instruments (AREA)
  • Cleaning And Drying Hair (AREA)

Claims (14)

  1. Haarbehandlungseinrichtung (1), umfassend:
    - einen ersten und einen zweiten Arm (4, 5), die in Bezug zueinander bewegbar sind und eine auseinanderstehende Konfiguration zur Einführung einer Haarsträhne zwischen ihnen und eine angenäherte Konfiguration zur Behandlung der Haarsträhne einnehmen können, eine erste und eine zweite Kontaktfläche (12, 13), die jeweils von dem ersten und dem zweiten Arm (4, 5) getragen werden und einander gegenüberliegend angeordnet sind, wobei mindestens eine der Kontaktflächen (12, 13) wärmend ist,
    - wobei mindestens der erste Arm (4) mindestens ein erstes Stützteil (40) der ersten Kontaktfläche (12) umfasst,
    - ein Dichtungselement (50), das ein zentrales Fenster (500) derart umfasst, dass es sich zumindest teilweise um die erste Kontaktfläche (12) herum zwischen dieser Letzteren und dem ersten Stützteil (40) erstreckt, wobei das Dichtungselement (50) mindestens eine von dem zentralen Fenster (500) unterschiedliche Öffnung (59) umfasst, und wobei sich das erste Stützteil (40) und die erste Kontaktfläche (12) durch die mindestens eine Öffnung (59) hindurch kontaktieren,
    dadurch gekennzeichnet, dass die Einrichtung (1) mindestens einen Dampfausgang (20) umfasst, der von einem der Arme (4, 5) beabstandet zur Kontaktfläche (12, 13), die sich auf demselben Arm befindet, getragen wird, um die zwischen den Armen (4, 5) eingesetzten Haare dem Dampf auszusetzen.
  2. Einrichtung (1) nach dem vorstehenden Anspruch, wobei das Dichtungselement (50) eine Vielzahl von Öffnungen (59) umfasst.
  3. Einrichtung (1) nach dem vorstehenden Anspruch, wobei die Vielzahl von Öffnungen (59) regelmäßig um das zentrale Fenster (500) herum verteilt ist.
  4. Einrichtung (1) nach einem der vorstehenden Ansprüche, wobei die Einrichtung (1) mindestens ein zweites Teil (41) umfasst, das von dem ersten Teil (40) unterschiedlich ist und von diesem getrennt ist, wobei das Dichtungselement (50), das elastisch verformbar ist, einen proximalen Abschnitt (51), der sich zumindest teilweise um die erste Kontaktfläche (12) herum zwischen dieser Letzteren und dem ersten Stützteil (40) erstreckt, und einen distalen Abschnitt (52), der sich im Kontakt mit dem zweiten Teil (41) erstreckt, umfasst, wobei der proximale (51) und der distale (52) Abschnitt durch einen Zwischenabschnitt (53) zwischen dem ersten (40) und dem zweiten (41) Teil miteinander verbunden sind, um einen Schirm gegen den Dampf zu bilden.
  5. Einrichtung (1) nach dem vorstehenden Anspruch, wobei der Zwischenabschnitt (53) im Querschnitt mindestens ein Kniestück aufweist.
  6. Einrichtung (1) nach Anspruch 4 oder 5, wobei die mindestens eine Öffnung (59) im proximalen Abschnitt (51) gefertigt ist.
  7. Einrichtung (1) nach einem der vorstehenden Ansprüche, wobei das Dichtungselement (50) zwischen der ersten Kontaktfläche (12) und einer Rippe (55) des ersten Teils (40) eingeklemmt ist, die insbesondere einen allgemein H-förmigen Querschnitt aufweist, mit einer Keilrille (56), die in eine Rückführung (57) der ersten Kontaktfläche (12) eingesetzt ist, und einer gegenüberliegenden Keilrille (58), die in die Rippe (55) des ersten Teils (40) eingesetzt ist.
  8. Einrichtung (1) nach dem vorstehenden Anspruch, wobei die mindestens eine Öffnung (59) derart zwischen den Keilrillen (56, 58) gefertigt ist, dass sie bewirkt, dass die Keilrillen (56, 58) miteinander kommunizieren.
  9. Einrichtung (1) nach Anspruch 2 oder 3, wobei das Dichtungselement (50) eine im Wesentlichen rechteckige Form aufweist, mit zwei Seiten, die die Länge des Rechtecks bilden, und zwei Seiten, die die Breite des Rechtecks bilden, wobei die Vielzahl von Öffnungen (59) lediglich auf den beiden Seiten angeordnet ist, die die Länge des Rechtecks bilden.
  10. Einrichtung (1) nach einem der vorstehenden Ansprüche, wobei das erste Teil (40) auf einer Teilstrecke mindestens seines Umfangs mindestens eine Aussparung (401) im Kontakt mit der ersten Kontaktfläche (12) durch die mindestens eine Öffnung (59) hindurch umfasst.
  11. Einrichtung (1) nach dem vorstehenden Anspruch und Anspruch 2, wobei das erste Teil eine Vielzahl von Aussparungen (401) im Kontakt mit der ersten Kontaktfläche (12) durch die Vielzahl von Öffnungen (59) hindurch auf einer Teilstrecke mindestens des Umfangs der Kontaktfläche (12) umfasst.
  12. Einrichtung (1) nach dem vorstehenden Anspruch, wobei die erste Kontaktfläche (12) einen Umriss mit allgemein rechteckiger Form aufweist, mit zwei Seiten, die die Länge des Rechtecks bilden, und zwei Seiten, die die Breite des Rechtecks bilden, wobei die Vielzahl von Aussparungen (401) die erste Kontaktfläche (12) lediglich auf den beiden Seiten kontaktiert, die die Länge des Rechtecks bilden.
  13. Einrichtung (1) nach dem Ansprüche 10 bis 12, wobei das erste Teil (40) weiter eine Auflagerippe (402) im Kontakt mit der ersten Kontaktfläche (12) umfasst.
  14. Einrichtung (1) nach dem Ansprüche 10 bis 12, wobei die mindestens eine Aussparung (401) oder die Vielzahl von Aussparungen (401) der einzige Kontakt mit der ersten Kontaktfläche (12) ist.
EP20732945.9A 2019-06-21 2020-06-18 Haarbehandlungsvorrichtung mit verbesserter dichtung und effizienz Active EP3986200B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1906741A FR3097412B1 (fr) 2019-06-21 2019-06-21 Appareil de traitement de la chevelure à l’étanchéité et efficacité améliorée
PCT/EP2020/067030 WO2020254531A1 (fr) 2019-06-21 2020-06-18 Appareil de traitement de la chevelure a l'etancheite et efficacite ameliorees

Publications (3)

Publication Number Publication Date
EP3986200A1 EP3986200A1 (de) 2022-04-27
EP3986200C0 EP3986200C0 (de) 2024-08-07
EP3986200B1 true EP3986200B1 (de) 2024-08-07

Family

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Application Number Title Priority Date Filing Date
EP20732945.9A Active EP3986200B1 (de) 2019-06-21 2020-06-18 Haarbehandlungsvorrichtung mit verbesserter dichtung und effizienz

Country Status (5)

Country Link
US (1) US12336610B2 (de)
EP (1) EP3986200B1 (de)
CN (1) CN113993414B (de)
FR (1) FR3097412B1 (de)
WO (1) WO2020254531A1 (de)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200520707A (en) * 2003-08-01 2005-07-01 Phild Co Ltd Hair iron
JP6049392B2 (ja) * 2012-10-19 2016-12-21 株式会社テスコム スチームを生成するヘアスタイラー
FR3004081B1 (fr) * 2013-04-08 2015-07-03 Seb Sa Appareil de coiffure equipe de moyens de projection de vapeur optimises
CN103330370A (zh) * 2013-07-01 2013-10-02 浙江百特电器有限公司 蒸汽烫发器
FR3011449B1 (fr) 2013-10-09 2017-03-24 Seb Sa Appareil de coiffure a plaques flottantes silencieuses
FR3020930B1 (fr) * 2014-05-14 2016-06-24 Seb Sa Appareil de coiffure a vapeur avec moyens de confinement de la vapeur
FR3039372B1 (fr) * 2015-07-29 2017-09-08 Oreal Dispositif de traitement de la chevelure
FR3053577B1 (fr) * 2016-07-06 2018-07-13 Seb S.A. Appareil de coiffure a vapeur
GB2567450B (en) * 2017-10-11 2020-07-08 Dyson Technology Ltd A hair styling appliance
US20210219688A1 (en) * 2017-10-11 2021-07-22 Dyson Technology Limited Hair styling appliance
FR3075575B1 (fr) * 2017-12-22 2021-08-27 Seb Sa Appareil de traitement de la chevelure a confinement de vapeur
FR3075576B1 (fr) 2017-12-22 2021-08-27 Seb Sa Appareil de traitement de la chevelure a l'etancheite amelioree
FR3090288B1 (fr) * 2018-12-20 2020-12-25 Seb Sa Appareil de coiffure à vapeur

Also Published As

Publication number Publication date
US20220240640A1 (en) 2022-08-04
CN113993414B (zh) 2024-11-08
EP3986200C0 (de) 2024-08-07
CN113993414A (zh) 2022-01-28
FR3097412B1 (fr) 2022-06-24
US12336610B2 (en) 2025-06-24
FR3097412A1 (fr) 2020-12-25
EP3986200A1 (de) 2022-04-27
WO2020254531A1 (fr) 2020-12-24

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