EP2152116B1 - Hair smoothing apparatus - Google Patents

Hair smoothing apparatus Download PDF

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Publication number
EP2152116B1
EP2152116B1 EP08805635A EP08805635A EP2152116B1 EP 2152116 B1 EP2152116 B1 EP 2152116B1 EP 08805635 A EP08805635 A EP 08805635A EP 08805635 A EP08805635 A EP 08805635A EP 2152116 B1 EP2152116 B1 EP 2152116B1
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EP
European Patent Office
Prior art keywords
main body
smoothing
hair
straightening
elements
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.)
Not-in-force
Application number
EP08805635A
Other languages
German (de)
French (fr)
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EP2152116A2 (en
Inventor
Eric Bouquet
Fadila Mehenni
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SEB SA
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SEB SA
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Publication date
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Publication of EP2152116A2 publication Critical patent/EP2152116A2/en
Application granted granted Critical
Publication of EP2152116B1 publication Critical patent/EP2152116B1/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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • 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
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/48—Hair-drying combs or hair-drying brushes, with internal heating means
    • A45D20/50—Hair-drying combs or hair-drying brushes, with internal heating means and provision for an air stream

Definitions

  • the present invention relates to a hair treatment apparatus which is intended to perform a specific shaping, including smoothing, of a person's hair, and which can also be used with an apparatus generally designed for the treatment of hair.
  • hair such as a hair dryer, a styling brush, a straightener, etc.
  • the generally known methods for treating the hair for shaping generally use hot air blown by a hair dryer or a local application of heat and / or steam from a curling device and / or to smooth.
  • the devices for smoothing the hair type straighteners generally comprise two heated articulating jaws that sandwich a lock of hair and form it by applying heat.
  • the hot plates of these devices, even while being coated with ceramic material, are likely, in the long term, to damage the hair due to their high operating temperature.
  • the document US 5,553,632 describes a hair shaping accessory mounted at the blower end of a hair dryer.
  • the accessory comprises a set of two superposed combs, one of which is fixed and the other is slidably mounted laterally relative to the first.
  • the base of the comb is located above the hot air outlet end of the hair dryer.
  • the moving comb is set in motion by a mechanism connected to a user-drawn cable. In operation, the combs are inserted in the open position in the hair and then the closing mechanism of the combs is actuated, which thus retain the locks of hair between their teeth. The locks thus seized are pulled upwards and dried in position by the flow of air blown by the hair dryer.
  • Such a device ensures, of course, drying the hair in the stretched position and at a lower temperature, but at risk to exert a strong traction on the hair, traction also exerted by means of a cable external to the device which can be inconvenient in operation Moreover, when wicks of different thicknesses penetrate between neighboring teeth, the forces exerted by the teeth on the locks are not uniform and, as a result, only the thickest lock is seized, the thinner neighboring locks may escape to the outside of the combs. This results in a non-uniform, laborious and time-consuming treatment. In addition, proposing only drying in the stretched position of the hair, this document does not address the problem of adjusting the clamping force of the combs.
  • This document also describes a device for disengaging and adjusting the clamping pressure of the smoothing blades by rotating a small knurled knob accessible from the side of the device.
  • the actuation of the adjustment button is in the vicinity of the hair, and, as a result, it can hang the locks to be treated. Due to its small size, this button is also difficult to handle.
  • this device since only one device is used which performs both the disengagement and the adjustment of the clamping pressure of the blades, this device does not can not ensure the opening of the blades to extract the hair without passing through the intermediate positions of adjustment.
  • the object of the present invention is to overcome the aforementioned drawbacks by proposing a hair smoothing device comprising an opening device smoothing means that is operational instantaneously, at any time, without taking into account the operating state of the apparatus or that of the smoothing means.
  • Another object of the invention is a hair smoothing device comprising smoothing means and a device for adjusting the clamping force between the smoothing means that can be actuated simply and easily, while being reliable in operation.
  • Another object of the invention is a hair smoothing device that can ensure an effective and uniform smoothing for all lengths and types of hair to be treated, while respecting their nature.
  • Another object of the invention is a device for smoothing the hair of ergonomic construction, which is easy to use and convenient for the person using it, while allowing a fast and effective treatment of the hair.
  • Another object of the invention is a hair smoothing device which is reliable in operation, while being able to be mass-produced at a lower cost.
  • Such an apparatus is therefore designed to produce a flow of hot air within a main body and send it to an air outlet opening of the body to pass through a hair smoothing device.
  • the smoothing device comprises at least two smoothing elements cooperating to pinch a lock of hair, that is to say to seize and power a lock of hair and dry in this position.
  • These smoothing elements may comprise at least a first fixed or movable element cooperating with a second movable vis-à-vis element for gripping a lock of hair after its introduction between the two elements.
  • the smoothing elements may be of the contact type plan on plan, or stop on plan or stop on stop, the lock of hair being at the contact established between the two elements.
  • smoothing elements cooperating to pinch a lock of hair
  • smoothing elements comprising means capable of exerting pressure on the hair inserted between two elements vis-à-vis.
  • Such pressure can be generated by using an elastic device, a magnetic device, a pneumatic device, etc. intended to push the smoothing elements towards each other in contact with the hair.
  • the apparatus comprises a device for moving the smoothing elements from the open state to the closed state or vice versa (by open state it is understood that the elements are spaced apart so that the hair can be introduced between two elements in vis-à-vis).
  • the apparatus also comprises a device for adjusting the pressure force exerted on the hair to be treated by the smoothing elements when they are in the closed state.
  • the apparatus is provided with an actuating member called a pull tab capable of transmitting to the gripping elements of the smoothing device either a movement control of the grippers from an open position to a closed position or vice-versa, ie a command to adjust their pressure when in contact.
  • This command comes from the actuation of the adjusting device or the device for moving the clamps and is transmitted by this common zipper to the clamping elements.
  • the apparatus comprises a common member capable of transmitting to the smoothing device commands from two separate devices, in particular able to switch between the two commands.
  • the construction is greatly simplified.
  • by actuating the common pull it is possible to actuate the opening device in any position of the adjustment device, by short-circuiting it, which makes it possible to obtain an instantaneous opening of the smoothing elements.
  • the pull tab is arranged movable in translation along a same axis to actuate the displacement device when it moves in a first direction and the adjustment device when it moves in the opposite direction.
  • Such displacement in translation makes it possible to couple the pull tab to one or the other of the devices, arranged at least partly one in the extension of the other, in order to make it active or to deactivate it while being Simplified construction and easy and intuitive use.
  • the pull tab is movable in a direction parallel to that of the longitudinal axis of the main body of the apparatus.
  • the displacement device and the adjustment device are arranged one in the extension of the other being connected by a compression spring.
  • the compression spring acts as a coupling to functionally connect the two controls, that of movement and that of adjusting the pressure between the clamping elements.
  • the smoothing elements are normally closed by being pushed against each other by the force of an elastic means and said displacement device is a device for opening the smoothing elements.
  • the smoothing elements are normally closed in the state of rest, while each being provided with means for automatically introducing the locks of hair, the locks thus removing the smoothing elements by being introduced inside them , for an easy and intuitive use of the device.
  • the device provided with such a smoothing device is passed through the hair which then naturally spread the smoothing elements and allow the device to perform a treatment from the hair root to the end of the treated wick which is then extracted alone from the device.
  • the pull tab is actuated in said first direction by a trigger belonging to the handle of the apparatus.
  • said trigger is mounted hingedly pivoted about a horizontal axis of the handle and drives the drawbar by means of two intermediate articulated arms.
  • a trigger with horizontal sliding movement (or parallel to the flow of air blown by the device).
  • a pivoting mounting of the trigger which allows, by means of the intermediate articulated arms, to obtain a longitudinal displacement of the zipper, for less effort to actuate the trigger.
  • said adjusting device comprises a control ring designed to rotate about the longitudinal axis of the main body of the apparatus.
  • the pressure force is varied on the wick to adapt it to the desired smoothing operation according to the type and / or or the condition of the hair to be treated, continuously or intermittently, and this with an adjusting device comprising a control part easily manipulated, the person using it can then, with one hand, hold the device directed to the hair and, with the other hand, intuitively change the clamping force without effort and without having to look closely at the device.
  • control ring is arranged in the vicinity of the air inlet opening of the main body of generally cylindrical shape of the apparatus.
  • the control ring could certainly have been arranged in the center of the body of the device or other place between the two ends of the flow of air in the main body of the device.
  • we prefer an arrangement at the back of the body because, on the one hand, it is the furthest place from the hair and therefore there is no hair lock possible with the control ring and, on the other hand, the ring can thus rotate, inside or outside the body of generally cylindrical shape of the apparatus, in an open zone thereof where it does not interfere with other functional components of the device, such as fan, heater, etc.
  • such a rotary control ring has a diameter at least equal to that of the air inlet end in the main body of the device to thereby ensure its good user-friendliness and not to block the air intake.
  • the adjusting device comprises a linear motion adjusting member which is adapted to vary the clamping force between the smoothing members when the control ring is rotated.
  • the adjustment member can be directly driven in translation by cooperating with an adjacent actuating means, for example a cam, the turn of a screw, or any other complementary piece able to directly transform the rotational movement around the longitudinal axis of the air flow of the control ring in a linear movement for example, parallel to the axis of the air flow of the adjusting member then acting on the smoothing elements.
  • an adjacent actuating means for example a cam, the turn of a screw, or any other complementary piece able to directly transform the rotational movement around the longitudinal axis of the air flow of the control ring in a linear movement for example, parallel to the axis of the air flow of the adjusting member then acting on the smoothing elements.
  • the inner surface of the control ring comprises a helical ramp which slidably receives, parallel to the longitudinal axis of the apparatus, a lug of the adjustment member.
  • the two smoothing elements are formed of a fixed blade and a movable blade supported by a walkman.
  • the movable blade is mounted on the player under the thrust of a first return spring.
  • the player is mounted by means of a second return spring in the housing of the smoothing device.
  • the smoothing device comprises a row of several pairs of fixed and movable blades mounted side by side transversely to the axis of said player.
  • Such a smoothing device comprising, for example, a row of seven pairs of smoothing elements makes it possible to treat several strands simultaneously, thus offering increased efficiency and a considerable time saving in the treatment of the hair, the apparatus nevertheless remaining of use. very easy.
  • said row of pairs of smoothing elements is arranged in the center of the air outlet opening and a row of pins is arranged on each side of the row of smoothing elements, set back from the attack part of them.
  • the row of smoothing elements being placed in the center of the air outlet opening, the smoothing elements benefit from the air blown by the apparatus which can arrive either at their base or at their lateral flanks. , at the base and at their side flanks for a faster and more effective shaping of the hair.
  • the rows of pins make it possible to better grasp the hair and guide it in the interval defined between two smoothing elements. Moreover, by their arrangement set back with respect to the leading or front part of the smoothing elements, the latter are thus able to come first in contact with the hair, in particular the shorter ones, thus allowing their insertion between the elements of smoothing, without these short hair being forced to go through the pins.
  • the movable blades move in one direction transverse to that of the air flow blown by the apparatus.
  • the pull tab is connected to a movement return member in a direction transverse to that of the air flow blown by the apparatus.
  • the zipper moving parallel to the air flow allows its arrangement along one of the walls of the main body of the generally tubular device, without increasing the size thereof.
  • the return member ensures the transmission of the movement of the adjusting member to the smoothing elements moving transversely to the air flow.
  • said smoothing device is removably mounted relative to the main body of the apparatus.
  • Such a removable mounting of the smoothing device allows the use of the device with other accessories, including a nozzle, a diffuser, etc. mounted at its air outlet end instead of the first one.
  • the hair straightening apparatus shown in the appended figures is of the hair dryer type 1 provided with a smoothing device 10.
  • the hair dryer 1 comprises a tubular main body 3, of generally cylindrical shape, enclosing a fan actuated by a electric motor (not shown in the drawings) and arranged to produce a flow of air oriented along the longitudinal axis 2 of the main body 3 of the apparatus between an air inlet end 4 and an outlet end of air 5.
  • the apparatus also comprises an electric heating element (not shown in the drawings) arranged in the main body 3 upstream of the air outlet opening.
  • the main body 3 is extended downwards by a gripping handle 6 enclosing the electric control and connection part of the appliance to the power supply, the handle 6 being furthermore provided with control and selection buttons for the power supply mode.
  • the main body 3 and the handle 6 are made by assembling, in a vertical plane, two shells 7 symmetrical (for the sake of clarity, only a single shell being shown in the drawings) made of a plastic material by an injection technique.
  • the smoothing device 10 is arranged at the air outlet end 5 of the main body 3 of the apparatus and comprises at least two smoothing elements 11,12 facing each other and cooperating to pinch a lock of hair.
  • the smoothing device 10 comprises a hollow housing 27, having a tubular-shaped rear portion 30 removably joined to an annular base 31 of the main body 3 of the apparatus.
  • the base 31 can thus be provided with elastic hooks 32 which fit into corresponding ribs formed on the inner surface of the rear portion 30 of the housing 27 of the device.
  • the housing 27 has a front portion 37 formed by a succession of arches 33, for example seven arches, separated by interstices 34 and extending centrally and along the entire length of the front portion 37 of the housing 27.
  • the arches 33 have a triangular general profile, their outer rim or attacking portion having inclined slopes each (for example at an angle of 30 to 40 ° with a median plane passing through their apex) towards a gap 34 neighbor. This inclination of the rims of the vaults 33 makes it possible to guide and facilitate the insertion of the hair into a gap 34.
  • each vault 33 has an inner wall forming a fixed blade 21, a niche 44 being provided behind this wall, on within the vault 33. ( Fig. 2b and 3B ).
  • the vaults 33 are parallel to each other and parallel to the longitudinal axis 2 of the main body 3 of the apparatus.
  • the row of arches 33 is arranged in the central part of the casing 27 of the smoothing device 10, two lateral openings 36 of air outlet being provided on either side of the row of arches 33.
  • pimples 29 ( Fig. 1 , Fig. 2a , Fig. 3a ) is attached to the base of the row of arches 33, on either side of the latter.
  • the row of pins makes an angle of about 30 ° with the longitudinal axis of the main body of the apparatus and serves to order and possibly tension the hair before introduction into the smoothing device 10.
  • the top spikes 29 is set back from that of the vaults 33 ( fig.2a , Fig. 3a ) in order to adapt the smoothing device 10 to the treatment of very short hair.
  • the housing 27 of the smoothing device 10 supports at its ends a sliding device 23 in turn supporting a plurality of movable blades 22.
  • Each movable blade is mounted on the player 23 under the constraint of a first return spring 24, for example a spring compression.
  • a row of movable blades 22 is made by stacking on the player 23: a first return spring 24 fixed at one of its ends by a washer 26 on the player 23, the other end of the spring coming to bear on a blade mobile 22, followed by another spring 24 and a movable blade 22, and so on until complete the row of movable blades 22, for example seven movable blades 22 parallel to each other.
  • the movable blades 22 have a generally triangular shape ( fig.1 ) having a flat face 20 of contact with a fixed blade 21 vis-à-vis.
  • the movable blades 22 are arranged so that their flat faces 20 are perpendicular to the axis of the player 23 and parallel to the longitudinal axis 2 of the main body 3 of the apparatus.
  • the player 23 is a cylindrical rod having a first end 38 held by a flange 39, the opposite end 40 being held, it, by a fork 41 ( fig.1 ).
  • the player 23 is mounted with a possibility of displacement along its longitudinal axis under the thrust of a second return spring 25 mounted between its first end 38 and the flange 39.
  • the movable blades 22 are inserted between the fixed blades 21.
  • Two side covers 42,43 complete the housing 27 by superimposing it at its lateral ends.
  • the smoothing device 10 thus comprises a row 28 of several pairs of fixed blades 21 and mobile 22 mounted side by side perpendicular to the axis of the player 23, row arranged in the center of the opening 8 of the air outlet of the apparatus.
  • the apparatus comprises a device 14 for adjusting the pressure of the smoothing elements 11, 12 of the smoothing device 10, which adjustment device 14 belongs to the main body 3 of the apparatus .
  • the adjusting device 14 comprises a control ring 15 arranged at the air inlet end 4 in the main body 3 of the apparatus.
  • the ring 15 has a generally annular shape with a striated flange 45 projecting outside the main body 3 of the apparatus and a ribbed inner portion located inside the main body 3.
  • the ribbed inner portion comprises a circular rib 46 for guiding rotation about the longitudinal axis 2 of the main body 3 of the apparatus and a second rib 47 concentric and of the same diameter as the first.
  • the second rib 47 comprises a helical ramp 18 protruding towards the inside of the body 3, which ramp, in the example shown in the figures, extends over approximately a quarter of the circumference of the rib 47.
  • the helical ramp 18 comes to the contact of a pin 19 of an adjusting member 17.
  • the pin 19 is replaced by a roller which rotates about a vertical axis (perpendicular to the longitudinal axis of the body 3).
  • the adjusting member 17 comprises, on each of its lateral sides, a guide ramp 48 arranged parallel to the longitudinal axis of the body 3, ensuring a sliding displacement in the direction of the longitudinal axis 2 during the rotation of the control ring 15.
  • the adjustment member 17 is held in contact with the ramp 18 of the control ring 15, by means of the roller or the pin 19, by a spring 50, for example a compression spring arranged in the center and in the extension of the front part of the adjustment member 17.
  • the apparatus comprises an opening device 51 of smoothing elements 11, 12 whose fixed blades 21 and mobile blades 22 are normally closed, their treatment surfaces being in contact with each other (the state of the device at rest is understood, the device being mounted on the apparatus and no actuator being actuated).
  • the opening device 51 comprises an opening mechanism with several articulated arms actuated from the handle 6 by a trigger 52.
  • the trigger 52 is rotatably mounted about a first pivot axis 53, a torsion spring (not shown in FIGS. drawings) being provided to ensure the return of the trigger in its rest position.
  • the pivot axis 53 is transverse to the longitudinal axis 2 of the main body 3 of the apparatus.
  • the trigger 52 has a protuberance 49 on its inner side opposite to that external support.
  • a rocker 54 is a doubly articulated arm rotatably mounted at one of its ends around the first pivot axis 53 and at the opposite end around a second pivot axis 56, parallel to the axis 53.
  • a link 55 is mounted also doubly articulated in rotation about the second pivot axis 56 at one of its ends and about a third pivot axis 57, parallel to the axis 56, at the opposite end.
  • the opening device 51 comprises a pull tab 60 having a front portion forming a longitudinal rod 59 extended at the rear by a base 58 having guide rails 61 in a slideway provided for this purpose in the main body 3 of the apparatus and arranged parallel to the longitudinal axis 2 thereof.
  • the base 58 is aligned with the spring 50 and therefore with the setting 17, the rear end of the base 58 coming to bear on the coil spring 50.
  • the rear end of the pull tab 60 further comprises a lower arm 65 parallel to the longitudinal axis of the rod 59 being shifted towards the down towards the handle, the rear end of the lower arm 65 being mounted on the third pivot axis 57.
  • the front end 66 of the pull tab 60 comes into contact with a secondary pull tab 62 belonging to the housing 27 of the smoothing device 10.
  • the front end 67 of the secondary pull tab 62 comes into contact of the lower arm 68 of a lever 63 pivotally mounted about a raised axis 64 arranged in a direction parallel to the fixed blades 21 and movable 22 (or transverse to the axis of the player 23).
  • the lever 63 comprises two upper arms 70 making an angle of about 90 ° with the lower arm 68 and bearing in internal notches of the fork 41 supporting the player 23.
  • the opening device will now be described more particularly with reference to the figure 3b when the user actuates the trigger 52 towards the inside of the handle 6, the trigger 52 rotates about the first pivot axis 53 and its protrusion 49 comes into contact with the rocker 54 at its point of articulation around the second pivot pin 56.
  • the protuberance 49 then pivots the rocker 54 about the first pivot axis 53 which then drives the link 55 and moves it backwards.
  • the rearward movement of the rod 55 causes the sliding of the puller 60 towards the rear in a direction parallel to that of the longitudinal axis 2 of the body 3 of the apparatus.
  • the main spring 50 is then compressed and the second return spring 25 pushes the player 23 with the movable blades 22 which are then spaced apart from the fixed blades 21 adjacent.
  • the interstices 34 are disengaged, a movable blade 22 being housed in the recess 44 of a fixed blade 21 adjacent.
  • the trigger 52 when the trigger 52 is released, it returns to its initial position under the thrust of a torsion spring arranged around the axis of pivoting of the trigger 52, the pull tab 60 then being pushed towards the before by the force of the spring 50 which is greater than that of the second return spring 25 which is thus compressed and the movable blades 22 are in contact with the fixed blades 21.
  • the main spring 50 is strongly compressed and the fixed and movable blades of the smoothing device are closed with pressure.
  • the opening device 51 can be actuated in any adjustment position of the adjusting device 14. Because the trigger 52 and the rocker 54 are not permanently connected. , but they come to touch only when the trigger 52 is moved, the position of the latter does not change when handling the control ring 15. It should be noted that, the distance between the protrusion 49 of the trigger 52 and the pivoting end about the second pivot axis 56 of the rocker 54 varies depending on the compression state of the main spring 50, the latter being large enough to avoid permanent contact between the two. Thus, by pressing the trigger 52, the pull tab 60 is pushed backwards, it compresses the main spring 50 and allows the opening of the blades 21, 22 of the smoothing device 10 in all the positions of the control ring 15 .
  • the tensile force exerted on a braid of calibrated nylon threads having a diameter of 0.6 mm close to that of the hair and placed between all the blades of the smoothing device was measured using a dynamometer.
  • the tensile force on the experimental braid can vary between 180g and 640g for a shift of a quarter turn of the control ring 15. Fine adjustments can be made in modifying the shape and / or the dimensions of the ramp of the control ring 15.

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  • Cleaning And Drying Hair (AREA)
  • Dry Shavers And Clippers (AREA)
  • Massaging Devices (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Laser Surgery Devices (AREA)

Abstract

The invention relates to a hair smoothing apparatus that comprises a main body (3) with an air inlet (4) and an air outlet (5), a heating member provided in said main body (3) and adapted for heating air, a fan provided in said main body (3) and adapted for blowing air to the heating member, a handle (6) attached to said main body (3), a smoothing device (10) including at least two smoothing members (11, 12) opposite each other and interacting for clamping a hair lock while being arranged at the end of the air outlet (5), a device for moving the smoothing members adapted for modifying the distance between two opposite smoothing members, and an adjustment device (14) for adjusting the pressure strength between the smoothing members (11, 12). According to the invention, the apparatus includes a pull tab (60) for transmitting to the smoothing device a control from the movement device and/or the adjustment device (14).

Description

La présente invention est relative à un appareil de traitement des cheveux qui est destiné à réaliser une mise en forme spécifique, notamment le lissage, des cheveux d'une personne, et qui peut par ailleurs être utilisé avec un appareil généralement conçu pour le traitement des cheveux, tel un sèche-cheveux, une brosse coiffante, un fer à lisser, etc.The present invention relates to a hair treatment apparatus which is intended to perform a specific shaping, including smoothing, of a person's hair, and which can also be used with an apparatus generally designed for the treatment of hair. hair, such as a hair dryer, a styling brush, a straightener, etc.

Les méthodes généralement connues pour traiter les cheveux en vue de leur mise en forme utilisent généralement de l'air chaud soufflé par un sèche-cheveux ou une application locale de chaleur et/ou de vapeur en provenance d'un dispositif à friser et/ou à lisser.The generally known methods for treating the hair for shaping generally use hot air blown by a hair dryer or a local application of heat and / or steam from a curling device and / or to smooth.

Les dispositifs prévus pour lisser les cheveux du type pinces à lisser comportent généralement deux mâchoires articulées chauffantes qui prennent en sandwich une mèche de cheveux et la mettent en forme en lui appliquant la chaleur. Les plaques chauffantes de ces dispositifs, même en étant revêtues de matériau céramique, sont susceptibles, à terme, d'abîmer les cheveux de par leur température élevée de fonctionnement.The devices for smoothing the hair type straighteners generally comprise two heated articulating jaws that sandwich a lock of hair and form it by applying heat. The hot plates of these devices, even while being coated with ceramic material, are likely, in the long term, to damage the hair due to their high operating temperature.

Le document US 5 553 632 décrit un accessoire de mise en forme des cheveux monté à l'extrémité soufflante d'un sèche-cheveux. L'accessoire comprend un jeu de deux peignes superposés dont l'un est fixe et l'autre est monté coulissant latéralement par rapport au premier. La base du peigne fixe est située au-dessus de l'extrémité de sortie d'air chaud du sèche-cheveux. Le peigne mobile est mis en mouvement par un mécanisme relié à un câble tiré par l'utilisateur. En fonctionnement, on introduit les peignes en position ouverte dans la chevelure et ensuite on actionne le mécanisme de fermeture des peignes qui retiennent ainsi les mèches de cheveux entre leurs dents. Les mèches ainsi saisies sont tirées vers le haut et séchées en position par le flux d'air soufflé par le sèche-cheveux. Un tel dispositif assure, certes, le séchage des cheveux en position étirée et à une température moindre, mais au risque d'exercer une traction importante sur les cheveux, traction de surcroît exercée à l'aide d'un câble externe à l'appareil qui peut s'avérer gênant en fonctionnement Par ailleurs, lorsque des mèches de différentes épaisseurs pénètrent entre des dents voisines, les efforts exercés par les dents sur les mèches ne sont pas uniformes et, de ce fait, uniquement la mèche la plus épaisse est saisie, les mèches voisines plus fines pouvant, elles, s'échapper à l'extérieur des peignes. Ceci a pour conséquence un traitement non uniforme, laborieux, et qui demande beaucoup de temps. De surcroît, se proposant uniquement de réaliser un séchage en position étirée des cheveux, ce document n'aborde nullement le problème du réglage de la force de serrage des peignes.The document US 5,553,632 describes a hair shaping accessory mounted at the blower end of a hair dryer. The accessory comprises a set of two superposed combs, one of which is fixed and the other is slidably mounted laterally relative to the first. The base of the comb is located above the hot air outlet end of the hair dryer. The moving comb is set in motion by a mechanism connected to a user-drawn cable. In operation, the combs are inserted in the open position in the hair and then the closing mechanism of the combs is actuated, which thus retain the locks of hair between their teeth. The locks thus seized are pulled upwards and dried in position by the flow of air blown by the hair dryer. Such a device ensures, of course, drying the hair in the stretched position and at a lower temperature, but at risk to exert a strong traction on the hair, traction also exerted by means of a cable external to the device which can be inconvenient in operation Moreover, when wicks of different thicknesses penetrate between neighboring teeth, the forces exerted by the teeth on the locks are not uniform and, as a result, only the thickest lock is seized, the thinner neighboring locks may escape to the outside of the combs. This results in a non-uniform, laborious and time-consuming treatment. In addition, proposing only drying in the stretched position of the hair, this document does not address the problem of adjusting the clamping force of the combs.

Une solution a été proposée dans le document EP 1 124 466 au nom de la demanderesse où le dispositif de lissage est un accessoire destiné à être fixé à l'extrémité soufflante d'un sèche-cheveux, et où les mèches sont introduites entre les surfaces planes de deux lames voisines qui sont poussées l'une vers l'autre par des moyens élastiques. Selon ce document, plusieurs lames élastiques sont agencées côte à côte, leurs extrémités d'attaque présentant des chanfreins d'introduction automatique des cheveux entre les lames. En fonctionnement, on introduit la partie frontale de l'accessoire dans la chevelure, ce qui a pour effet de séparer les cheveux en mèches fines qui s'introduisent alors automatiquement entre les lames voisines de l'accessoire. La chaleur du flux d'air soufflé par l'appareil met alors en forme les mèches de cheveux prises entre les lames. En faisant simplement glisser l'accessoire le long des mèches, ces dernières peuvent ensuite être lissées sur toute leur longueur. Ce document décrit par ailleurs un dispositif de débrayage et de réglage de la pression de serrage des lames de lissage par actionnement en rotation d'un petit bouton moleté accessible depuis le côté du dispositif. De par son montage sur l'accessoire de lissage, l'actionnement du bouton de réglage se fait au voisinage des cheveux, et, de ce fait, il peut accrocher les mèches à traiter. De par ses petites dimensions, ce bouton s'avère également difficile à manipuler. Par ailleurs, du fait que l'on utilise un seul dispositif qui réalise à la fois le débrayage et le réglage de la pression de serrage des lames, ce dispositif ne peut pas assurer l'ouverture des lames pour extraire les cheveux sans passer par les positions intermédiaires de réglage.A solution has been proposed in the document EP 1 124 466 in the name of the applicant where the smoothing device is an accessory to be attached to the blower end of a hair dryer, and where the wicks are introduced between the flat surfaces of two adjacent blades which are pushed to one the other by elastic means. According to this document, several elastic blades are arranged side by side, their leading ends having chamfers automatic introduction of hair between the blades. In operation, the front part of the accessory is introduced into the hair, which has the effect of separating the hair into fine locks which are then introduced automatically between the blades adjacent to the accessory. The heat of the air flow blown by the device then shapes the locks of hair caught between the blades. By simply sliding the accessory along the wicks, they can then be smoothed over their entire length. This document also describes a device for disengaging and adjusting the clamping pressure of the smoothing blades by rotating a small knurled knob accessible from the side of the device. By its mounting on the smoothing accessory, the actuation of the adjustment button is in the vicinity of the hair, and, as a result, it can hang the locks to be treated. Due to its small size, this button is also difficult to handle. Moreover, since only one device is used which performs both the disengagement and the adjustment of the clamping pressure of the blades, this device does not can not ensure the opening of the blades to extract the hair without passing through the intermediate positions of adjustment.

Une autre solution de dispositif lisseur monté sur un sèche-cheveux et apte à traiter différentes longueurs de cheveux a été décrite dans le document WO 2007/003795 de la demanderesse. Fonctionnant à satisfaction, le dispositif décrit ne comporte toutefois pas de système de réglage de la pression entre les lames de lissage.Another solution of straightening device mounted on a hair dryer and able to treat different lengths of hair has been described in the document WO 2007/003795 of the plaintiff. Operating satisfactorily, the device described does not include a system for adjusting the pressure between the smoothing blades.

Le but de la présente invention est de remédier aux inconvénients précités en proposant un appareil de lissage des cheveux comportant un dispositif d'ouverture des moyens de lissage qui soit opérationnel de manière instantanée, à tout moment, sans tenir compte de l'état de fonctionnement de l'appareil ou de celui des moyens de lissage.The object of the present invention is to overcome the aforementioned drawbacks by proposing a hair smoothing device comprising an opening device smoothing means that is operational instantaneously, at any time, without taking into account the operating state of the apparatus or that of the smoothing means.

Un autre but de l'invention est un appareil de lissage des cheveux comportant des moyens de lissage et un dispositif de réglage de la force de serrage entre les moyens de lissage pouvant être actionné de manière simple et aisée, tout en étant fiable en fonctionnement.Another object of the invention is a hair smoothing device comprising smoothing means and a device for adjusting the clamping force between the smoothing means that can be actuated simply and easily, while being reliable in operation.

Un autre but de l'invention est un appareil de lissage des cheveux qui puisse assurer un lissage efficace et uniforme pour toutes les longueurs et les types de cheveux à traiter, tout en respectant leur nature.Another object of the invention is a hair smoothing device that can ensure an effective and uniform smoothing for all lengths and types of hair to be treated, while respecting their nature.

Un autre but de l'invention est un appareil de lissage des cheveux de construction ergonomique, qui soit d'une utilisation aisée et pratique pour la personne l'utilisant, tout en permettant un traitement rapide et efficace de la chevelure.Another object of the invention is a device for smoothing the hair of ergonomic construction, which is easy to use and convenient for the person using it, while allowing a fast and effective treatment of the hair.

Un autre but de l'invention est un dispositif de lissage des cheveux qui soit fiable en fonctionnement, tout en pouvant être fabriqué en grande série pour un coût moindre.Another object of the invention is a hair smoothing device which is reliable in operation, while being able to be mass-produced at a lower cost.

Ces buts sont atteints avec un appareil de lissage des cheveux selon la revendication 1.These objects are achieved with a hair straightening apparatus according to claim 1.

Un tel appareil est donc conçu pour produire un flux d'air chaud à l'intérieur d'un corps principal et l'envoyer en direction d'une ouverture de sortie d'air de ce corps pour passer par un dispositif de lissage des cheveux prévu à la sortie d'air de l'appareil, située à l'avant du corps de celui-ci. Le dispositif de lissage comprend au moins deux éléments de lissage coopérant pour pincer une mèche de cheveux, c'est-à-dire pour saisir et mettre sous tension une mèche de cheveux et la sécher dans cette position. Ces éléments de lissage peuvent comporter au moins un premier élément fixe ou mobile coopérant avec un deuxième élément en vis-à-vis mobile permettant de pincer une mèche de cheveux après son introduction entre les deux éléments. Les éléments de lissage peuvent être du type à contact plan sur plan, ou arrête sur plan ou encore arrête sur arrête, la mèche de cheveux se trouvant au niveau du contact établi entre les deux éléments.Such an apparatus is therefore designed to produce a flow of hot air within a main body and send it to an air outlet opening of the body to pass through a hair smoothing device. provided at the air outlet of the device, located at the front of the body of the latter. The smoothing device comprises at least two smoothing elements cooperating to pinch a lock of hair, that is to say to seize and power a lock of hair and dry in this position. These smoothing elements may comprise at least a first fixed or movable element cooperating with a second movable vis-à-vis element for gripping a lock of hair after its introduction between the two elements. The smoothing elements may be of the contact type plan on plan, or stop on plan or stop on stop, the lock of hair being at the contact established between the two elements.

Par éléments de lissage coopérant pour pincer une mèche de cheveux, on comprend des éléments de lissage comprenant des moyens aptes à exercer une pression sur les cheveux insérés entre deux éléments en vis-à-vis. Une telle pression peut être engendrée en utilisant un dispositif élastique, un dispositif magnétique, un dispositif pneumatique, etc. destiné à pousser les éléments de lissage l'un vers l'autre au contact des cheveux. L'appareil comprend un dispositif de déplacement des éléments de lissage de l'état ouvert à l'état fermé ou vice-versa (par état ouvert on comprend que les éléments sont écartés de manière à ce que les cheveux puissent être introduits entre deux éléments en vis-à-vis). L'appareil comporte par ailleurs un dispositif de réglage de la force de pression exercée sur les cheveux à traiter par les éléments de lissage lorsqu'ils sont à l'état fermé.By smoothing elements cooperating to pinch a lock of hair, smoothing elements comprising means capable of exerting pressure on the hair inserted between two elements vis-à-vis. Such pressure can be generated by using an elastic device, a magnetic device, a pneumatic device, etc. intended to push the smoothing elements towards each other in contact with the hair. The apparatus comprises a device for moving the smoothing elements from the open state to the closed state or vice versa (by open state it is understood that the elements are spaced apart so that the hair can be introduced between two elements in vis-à-vis). The apparatus also comprises a device for adjusting the pressure force exerted on the hair to be treated by the smoothing elements when they are in the closed state.

Selon l'invention, l'appareil est muni d'un organe d'actionnement appelé tirette apte à transmettre aux éléments de pincement du dispositif de lissage soit une commande de déplacement des pinces d'une position d'ouverture à une position de fermeture ou vice-versa, soit une commande de réglage de leur pression lorsqu'il sont en contact. Cette commande provient de l'actionnement du dispositif de réglage ou du dispositif de déplacement des pinces et est transmise par cette tirette commune aux éléments de pincement. Ainsi, l'appareil comporte un organe commun apte à transmettre au dispositif de lissage des commandes en provenance de deux dispositifs distincts, notamment apte à commuter entre les deux commandes. De ce fait, la construction en est grandement simplifiée. De surcroît, en actionnant la tirette commune, on peut actionner le dispositif d'ouverture dans toute position du dispositif de réglage, en le court-circuitant, ce qui permet d'obtenir une ouverture instantanée des éléments de lissage.According to the invention, the apparatus is provided with an actuating member called a pull tab capable of transmitting to the gripping elements of the smoothing device either a movement control of the grippers from an open position to a closed position or vice-versa, ie a command to adjust their pressure when in contact. This command comes from the actuation of the adjusting device or the device for moving the clamps and is transmitted by this common zipper to the clamping elements. Thus, the apparatus comprises a common member capable of transmitting to the smoothing device commands from two separate devices, in particular able to switch between the two commands. As a result, the construction is greatly simplified. Moreover, by actuating the common pull, it is possible to actuate the opening device in any position of the adjustment device, by short-circuiting it, which makes it possible to obtain an instantaneous opening of the smoothing elements.

Avantageusement, la tirette est agencée mobile en translation selon un même axe pour actionner le dispositif de déplacement lorsqu'elle se déplace dans un premier sens et le dispositif de réglage lorsqu'elle se déplace dans le sens contraire.Advantageously, the pull tab is arranged movable in translation along a same axis to actuate the displacement device when it moves in a first direction and the adjustment device when it moves in the opposite direction.

Un tel déplacement en translation permet de coupler la tirette à l'un ou l'autre des dispositifs, agencés au moins en partie l'un dans le prolongement de l'autre, afin de le rendre actif ou de le désactiver tout en étant de construction simplifiée et d'utilisation aisée et intuitive.Such displacement in translation makes it possible to couple the pull tab to one or the other of the devices, arranged at least partly one in the extension of the other, in order to make it active or to deactivate it while being Simplified construction and easy and intuitive use.

De préférence, la tirette est mobile dans une direction parallèle à celle de l'axe longitudinal du corps principal de l'appareil.Preferably, the pull tab is movable in a direction parallel to that of the longitudinal axis of the main body of the apparatus.

Ceci permet son agencement selon l'une des parois du corps principal de l'appareil de forme générale tubulaire, sans augmenter l'encombrement de celui-ci.This allows its arrangement along one of the walls of the main body of the generally tubular device, without increasing the size thereof.

Avantageusement, le dispositif de déplacement et le dispositif de réglage sont agencés l'un dans le prolongement de l'autre en étant reliés par un ressort de compression.Advantageously, the displacement device and the adjustment device are arranged one in the extension of the other being connected by a compression spring.

Ceci permet d'agencer les deux dispositifs dans le boîtier ou corps principal de l'appareil, en amont du dispositif de lissage, ce qui a pour avantage d'obtenir un appareil compact et de dégager la zone de traitement des cheveux avoisinant le dispositif de lissage de tout dispositif ou pièce qui pourrait accrocher les cheveux. Le ressort de compression agit comme un couplage permettant de relier fonctionnellement les deux commandes, celle de déplacement et celle de réglage de la pression entre les éléments de pincement.This makes it possible to arrange the two devices in the housing or main body of the apparatus, upstream of the smoothing device, which has the advantage of obtaining a compact apparatus and of clearing the treatment area of the hair adjacent to the device. smoothing any device or piece that could hang the hair. The compression spring acts as a coupling to functionally connect the two controls, that of movement and that of adjusting the pressure between the clamping elements.

De préférence, les éléments de lissage sont normalement fermés en étant poussés l'un contre l'autre par la force d'un moyen élastique et ledit dispositif de déplacement est un dispositif d'ouverture des éléments de lissage.Preferably, the smoothing elements are normally closed by being pushed against each other by the force of an elastic means and said displacement device is a device for opening the smoothing elements.

Les éléments de lissage sont normalement fermés à l'état de repos, tout en étant munis chacun de moyens d'introduction automatique des mèches de cheveux, les mèches écartant ainsi les éléments de lissage en s'introduisant à l'intérieur de ceux-ci, pour une utilisation aisée et intuitive de l'appareil. L'appareil muni d'un tel dispositif de lissage est passé dans les cheveux qui écartent alors naturellement les éléments de lissage et permettent à l'appareil d'effectuer un traitement à partir de la racine des cheveux en allant jusqu'au bout de la mèche traitée qui s'extrait ensuite toute seule du dispositif.The smoothing elements are normally closed in the state of rest, while each being provided with means for automatically introducing the locks of hair, the locks thus removing the smoothing elements by being introduced inside them , for an easy and intuitive use of the device. The device provided with such a smoothing device is passed through the hair which then naturally spread the smoothing elements and allow the device to perform a treatment from the hair root to the end of the treated wick which is then extracted alone from the device.

Avantageusement, la tirette est actionnée dans ledit premier sens par une gâchette appartenant à la poignée de l'appareil.Advantageously, the pull tab is actuated in said first direction by a trigger belonging to the handle of the apparatus.

Ceci permet un actionnement aisé de l'appareil, l'utilisatrice utilisant la même main qui tient appareil par la poignée pour actionner la gâchette.This allows easy operation of the device, the user using the same hand holding device by the handle to actuate the trigger.

De préférence, ladite gâchette est montée articulée en pivotement autour d'un axe horizontal de la poignée et entraîne la tirette moyennant deux bras articulés intermédiaires.Preferably, said trigger is mounted hingedly pivoted about a horizontal axis of the handle and drives the drawbar by means of two intermediate articulated arms.

On aurait pu, certes, utiliser une gâchette à mouvement coulissant horizontal (ou parallèle au flux d'air soufflé par l'appareil). Toutefois, on préfère un montage pivotant de la gâchette qui permet, moyennant les bras articulés intermédiaires, d'obtenir un déplacement longitudinal de la tirette, pour un effort moindre à l'actionnement de la gâchette.It would certainly be possible to use a trigger with horizontal sliding movement (or parallel to the flow of air blown by the device). However, it is preferred a pivoting mounting of the trigger which allows, by means of the intermediate articulated arms, to obtain a longitudinal displacement of the zipper, for less effort to actuate the trigger.

De préférence, ledit dispositif de réglage comporte une bague de commande conçue pour tourner autour de l'axe longitudinal du corps principal de l'appareil.Preferably, said adjusting device comprises a control ring designed to rotate about the longitudinal axis of the main body of the apparatus.

En tournant la bague de commande du dispositif de réglage autour de l'axe longitudinal du flux d'air, on fait varier la force de pression sur la mèche afin de l'adapter à l'opération de lissage souhaitée en fonction du type et/ou de l'état des cheveux à traiter, de manière continue ou intermittente, et ceci avec un dispositif de réglage comportant une pièce de commande facilement manipulable, la personne l'utilisant pouvant alors, d'une main, tenir l'appareil dirigé vers la chevelure et, de l'autre main, faire varier de manière intuitive la force de serrage, sans effort et sans devoir regarder l'appareil de près.By rotating the control ring of the adjusting device about the longitudinal axis of the air flow, the pressure force is varied on the wick to adapt it to the desired smoothing operation according to the type and / or or the condition of the hair to be treated, continuously or intermittently, and this with an adjusting device comprising a control part easily manipulated, the person using it can then, with one hand, hold the device directed to the hair and, with the other hand, intuitively change the clamping force without effort and without having to look closely at the device.

Avantageusement, ladite bague de commande est agencée dans la proximité de l'ouverture d'entrée d'air du corps principal de forme générale cylindrique de l'appareil.Advantageously, said control ring is arranged in the vicinity of the air inlet opening of the main body of generally cylindrical shape of the apparatus.

La bague de commande aurait pu, certes, être agencée au centre du corps de l'appareil ou à un autre endroit entre les deux extrémités de circulation du flux d'air dans le corps principal de l'appareil. On préfère toutefois un agencement à l'arrière du corps, car, d'une part, c'est l'endroit le plus éloigné de la chevelure et il n'y a donc pas d'accrochage de cheveux possible avec la bague de commande et, d'autre part, la bague peut ainsi tourner, à l'intérieur ou à l'extérieur du corps de forme générale cylindrique de l'appareil, dans une zone dégagée de celui-ci où elle n'interfère pas avec d'autres composants fonctionnels de l'appareil, tels le ventilateur, l'élément chauffant, etc.The control ring could certainly have been arranged in the center of the body of the device or other place between the two ends of the flow of air in the main body of the device. However, we prefer an arrangement at the back of the body because, on the one hand, it is the furthest place from the hair and therefore there is no hair lock possible with the control ring and, on the other hand, the ring can thus rotate, inside or outside the body of generally cylindrical shape of the apparatus, in an open zone thereof where it does not interfere with other functional components of the device, such as fan, heater, etc.

Dans une variante préférée de réalisation de l'invention, une telle bague de commande rotative présente un diamètre au moins égal à celui de l'extrémité d'entrée d'air dans le corps principal de l'appareil afin d'assurer ainsi sa bonne maniabilité par l'utilisateur et de ne pas obturer l'entrée d'air.In a preferred embodiment of the invention, such a rotary control ring has a diameter at least equal to that of the air inlet end in the main body of the device to thereby ensure its good user-friendliness and not to block the air intake.

De préférence, le dispositif de réglage comprend un organe de réglage à mouvement linéaire qui est conçu pour varier la force de serrage entre les éléments de lissage lorsque la bague de commande est animée d'un mouvement de rotation.Preferably, the adjusting device comprises a linear motion adjusting member which is adapted to vary the clamping force between the smoothing members when the control ring is rotated.

Ainsi, l'organe de réglage peut être directement entraîné en translation en coopérant avec un moyen d'actionnement adjacent, par exemple une came, la spire d'une vis, ou toute autre pièce complémentaire apte à transformer directement le mouvement de rotation autour de l'axe longitudinal du flux d'air de la bague de commande en un mouvement linéaire par exemple, parallèlement à l'axe du flux d'air de l'organe de réglage agissant alors sur les éléments de lissage. Un tel mouvement rotatif d'une bague de commande de grand diamètre permet alors de démultiplier le déplacement linéaire de l'organe de réglage et d'obtenir ainsi un réglage fin de la pression de serrage des éléments de lissage.Thus, the adjustment member can be directly driven in translation by cooperating with an adjacent actuating means, for example a cam, the turn of a screw, or any other complementary piece able to directly transform the rotational movement around the longitudinal axis of the air flow of the control ring in a linear movement for example, parallel to the axis of the air flow of the adjusting member then acting on the smoothing elements. Such a rotary movement of a large-diameter control ring then makes it possible to reduce the linear displacement of the adjustment member and thus to obtain a fine adjustment of the clamping pressure of the smoothing elements.

Avantageusement, la surface interne de la bague de commande comporte une rampe hélicoïdale qui reçoit de manière coulissante, parallèlement à l'axe longitudinal de l'appareil, un ergot de l'organe de réglage.Advantageously, the inner surface of the control ring comprises a helical ramp which slidably receives, parallel to the longitudinal axis of the apparatus, a lug of the adjustment member.

Ceci permet, en partant d'une mise en rotation par le diamètre externe de la bague, d'obtenir un déplacement interne en coulissement d'un organe de commande venant en contact avec la surface interne nervurée de la bague de commande rotative, de manière simple et fiable en fonctionnement.This allows, starting from a rotation by the outer diameter of the ring, to obtain a sliding internal displacement of a control member coming into contact with the internal ribbed surface of the rotary control ring, so as to simple and reliable in operation.

De préférence, les deux éléments de lissage sont formés d'une lame fixe et d'une lame mobile supportée par un baladeur.Preferably, the two smoothing elements are formed of a fixed blade and a movable blade supported by a walkman.

On aurait pu, certes, utiliser deux éléments de lissage mobiles que l'on aurait déplacés pour passer de l'état ouvert à l'état fermé après l'introduction d'une mèche de cheveux entre les deux. On préfère toutefois, pour des raisons de simplicité constructive, rendre mobile l'un des éléments de lissage en le montant sur un baladeur ou tige qui peut alors, lorsqu'il est actionné, entraîner l'élément mobile. La forme de lame des éléments de lissage permet un lissage à plat, lors d'un contact contre un plan des cheveux traités, ce qui permet de réaliser une bonne mise en forme de la mèche de cheveux, sans toutefois lui appliquer une contrainte trop importante.It would have been possible, of course, to use two movable smoothing elements which one would have moved to pass from the open state to the closed state after the introduction of a lock of hair between the two. However, for reasons of constructive simplicity, it is preferable to make one of the smoothing elements movable by mounting it on a walkman or rod which can then, when actuated, drive the movable element. The blade shape of the smoothing elements allows a flat smoothing, during a contact against a plane of the treated hair, which allows a good shaping of the lock of hair, without however apply a too important constraint .

Avantageusement, la lame mobile est montée sur le baladeur sous la poussée d'un premier ressort de rappel.Advantageously, the movable blade is mounted on the player under the thrust of a first return spring.

Ceci offre une possibilité de déplacement supplémentaire de la lame mobile en la poussant contre la force du ressort de rappel. Ceci permet une meilleure adaptation à l'épaisseur de la mèche introduite entre les éléments de lissage par compression du ressort de rappel lorsque la mèche prend appui contre une lame fixe adjacente.This provides a possibility of further displacement of the movable blade by pushing it against the force of the return spring. This allows a better adaptation to the thickness of the wick introduced between the elements of smoothing by compression of the return spring when the wick bears against an adjacent fixed blade.

De préférence, le baladeur est monté moyennant un deuxième ressort de rappel dans le boîtier du dispositif de lissage.Preferably, the player is mounted by means of a second return spring in the housing of the smoothing device.

Ceci permet d'avoir un actionnement dans un sens du baladeur, le retour se faisant sous la poussée du deuxième ressort de rappel, pour une solution constructive simplifiée et économique des moyens d'actionnement du baladeur.This makes it possible to have an actuation in one direction of the player, the return being done under the thrust of the second return spring, for a solution Simplified and economical construction of the drive means of the player.

Avantageusement, le dispositif de lissage comporte une rangée de plusieurs paires de lames fixes et mobiles montées côte à côte transversalement à l'axe dudit baladeur.Advantageously, the smoothing device comprises a row of several pairs of fixed and movable blades mounted side by side transversely to the axis of said player.

Un tel dispositif de lissage comportant par exemple une rangée de sept paires d'éléments de lissage permet de traiter plusieurs mèches simultanément offrant ainsi une efficacité accrue et un gain de temps considérable du traitement de la chevelure, l'appareil restant toutefois d'une utilisation très aisée.Such a smoothing device comprising, for example, a row of seven pairs of smoothing elements makes it possible to treat several strands simultaneously, thus offering increased efficiency and a considerable time saving in the treatment of the hair, the apparatus nevertheless remaining of use. very easy.

De préférence, ladite rangée de paires d'éléments de lissage est agencée au centre de l'ouverture de sortie d'air et une rangée de picots est agencée de chaque côté de la rangée d'éléments de lissage, en retrait par rapport à la partie d'attaque de ceux-ci.Preferably, said row of pairs of smoothing elements is arranged in the center of the air outlet opening and a row of pins is arranged on each side of the row of smoothing elements, set back from the attack part of them.

La rangée d'éléments de lissage étant placée au centre de l'ouverture de sortie d'air, les éléments de lissage bénéficient de l'air soufflé par l'appareil qui peut arriver soit à leur base, soit au niveau de leurs flancs latéraux, soit à la base et au niveau de leurs flancs latéraux pour une mise en forme plus rapide et plus efficace de la chevelure. Les rangées de picots permettent de mieux saisir les cheveux et les guider dans l'intervalle défini entre deux éléments de lissage. Par ailleurs, de par leur agencement en retrait par rapport à la partie d'attaque ou frontale des éléments de lissage, ces derniers sont ainsi aptes à venir les premiers au contact des cheveux, notamment les plus courts permettant ainsi leur insertion entre les éléments de lissage, sans que ces cheveux courts ne soient obligés de passer par les picots. Cet agencement en retrait des picots permet donc le lissage des cheveux très courts, le profil de la partie d'attaque des lames fixes et des lames mobiles présentant des pentes favorisant la prise des cheveux au plus près de la racine et ensuite leur insertion entre les lames fixes et mobiles.The row of smoothing elements being placed in the center of the air outlet opening, the smoothing elements benefit from the air blown by the apparatus which can arrive either at their base or at their lateral flanks. , at the base and at their side flanks for a faster and more effective shaping of the hair. The rows of pins make it possible to better grasp the hair and guide it in the interval defined between two smoothing elements. Moreover, by their arrangement set back with respect to the leading or front part of the smoothing elements, the latter are thus able to come first in contact with the hair, in particular the shorter ones, thus allowing their insertion between the elements of smoothing, without these short hair being forced to go through the pins. This arrangement in withdrawal of the pins thus allows the smoothing of very short hair, the profile of the attacking portion of the fixed blades and movable blades having slopes promoting the taking of the hair closer to the root and then their insertion between the fixed and movable blades.

Avantageusement, les lames mobiles se déplacent dans une direction transversale à celle du flux d'air soufflé par l'appareil.Advantageously, the movable blades move in one direction transverse to that of the air flow blown by the apparatus.

Ceci permet d'insérer la mèche à traiter selon une direction perpendiculaire au flux d'air soufflé par l'appareil afin qu'elle bénéficie pleinement sur sa longueur de l'arrivée frontale du flux d'air.This makes it possible to insert the wick to be treated in a direction perpendicular to the flow of air blown by the apparatus so that it fully benefits over its length from the frontal arrival of the air flow.

De préférence, la tirette est reliée à un organe de renvoi du mouvement dans une direction transversale à celle du flux d'air soufflé par l'appareil.Preferably, the pull tab is connected to a movement return member in a direction transverse to that of the air flow blown by the apparatus.

La tirette se déplaçant parallèlement au flux d'air permet son agencement selon l'une des parois du corps principal de l'appareil de forme générale tubulaire, sans augmenter l'encombrement de celui-ci. L'organe de renvoi assure la transmission du mouvement de l'organe de réglage aux éléments de lissage à déplacement transversal au flux d'air.The zipper moving parallel to the air flow allows its arrangement along one of the walls of the main body of the generally tubular device, without increasing the size thereof. The return member ensures the transmission of the movement of the adjusting member to the smoothing elements moving transversely to the air flow.

Avantageusement, ledit dispositif de lissage est monté de manière amovible par rapport au corps principal de l'appareil.Advantageously, said smoothing device is removably mounted relative to the main body of the apparatus.

Un tel montage amovible du dispositif de lissage permet l'utilisation de l'appareil avec d'autres accessoires, notamment une buse, un diffuseur, etc. montés à son extrémité de sortie d'air à la place du premier.Such a removable mounting of the smoothing device allows the use of the device with other accessories, including a nozzle, a diffuser, etc. mounted at its air outlet end instead of the first one.

L'invention sera mieux comprise à l'étude des modes de réalisation pris à titre nullement limitatif et illustrés dans les figures annexées dans lesquelles :

  • la figure 1 est une vue en perspective partiellement éclatée de l'appareil de l'invention ;
  • la figure 2a est une vue de dessus partielle de l'appareil de l'invention et la figure 2b est une vue en coupe longitudinale de l'appareil avec le plan A-A de la figure 2a, l'appareil étant représenté avec les éléments de lissage en position fermée;
  • la figure 3a est une vue de dessus partielle de l'appareil de l'invention et la figure 3b est une vue en coupe longitudinale de l'appareil avec le plan B-B de la figure 3a, l'appareil étant représenté avec les éléments de lissage en position ouverte.
The invention will be better understood with the study of the embodiments taken in no way limiting and illustrated in the accompanying figures in which:
  • the figure 1 is a partially exploded perspective view of the apparatus of the invention;
  • the figure 2a is a partial top view of the apparatus of the invention and the figure 2b is a longitudinal sectional view of the apparatus with the plane AA of the figure 2a the apparatus being shown with the smoothing elements in the closed position;
  • the figure 3a is a partial top view of the apparatus of the invention and the figure 3b is a longitudinal sectional view of the apparatus with the plane BB of the figure 3a , the apparatus being shown with the elements of Smoothing in the open position.

L'appareil de lissage des cheveux représenté aux figures annexées est du type sèche-cheveux 1 muni d'un dispositif de lissage 10. Le sèche-cheveux 1 comprend un corps principal 3 tubulaire, de forme générale cylindrique, renfermant un ventilateur actionné par un moteur électrique (non représentés sur les dessins) et agencés pour produire un flux d'air orienté selon l'axe longitudinal 2 du corps principal 3 de l'appareil entre une extrémité d'entrée d'air 4 et une extrémité de sortie d'air 5. L'appareil comprend également un élément chauffant électrique (non représenté sur les dessins) agencé dans le corps principal 3 en amont de l'orifice de sortie d'air. Le corps principal 3 est prolongé vers le bas par une poignée 6 de préhension renfermant la partie électrique de commande et de connexion de l'appareil à l'alimentation, la poignée 6 étant munie par ailleurs de boutons de commande et de sélection du mode de fonctionnement, notamment de réglage du débit d'air soufflé, de la température de l'appareil, etc.. Le corps principal 3 et la poignée 6 sont réalisés en assemblant, selon un plan vertical, deux coques 7 symétriques (pour des soucis de clarté, uniquement une seule coque étant représentée sur les dessins) réalisées en une matière plastique par une technique d'injection.The hair straightening apparatus shown in the appended figures is of the hair dryer type 1 provided with a smoothing device 10. The hair dryer 1 comprises a tubular main body 3, of generally cylindrical shape, enclosing a fan actuated by a electric motor (not shown in the drawings) and arranged to produce a flow of air oriented along the longitudinal axis 2 of the main body 3 of the apparatus between an air inlet end 4 and an outlet end of air 5. The apparatus also comprises an electric heating element (not shown in the drawings) arranged in the main body 3 upstream of the air outlet opening. The main body 3 is extended downwards by a gripping handle 6 enclosing the electric control and connection part of the appliance to the power supply, the handle 6 being furthermore provided with control and selection buttons for the power supply mode. operation, including adjustment of the blown air flow, the temperature of the device, etc. The main body 3 and the handle 6 are made by assembling, in a vertical plane, two shells 7 symmetrical (for the sake of clarity, only a single shell being shown in the drawings) made of a plastic material by an injection technique.

Tel que mieux visible à la figure 1, le dispositif de lissage 10 est agencé à l'extrémité formant sortie d'air 5 du corps principal 3 de l'appareil et comprend au moins deux éléments de lissage 11,12 se faisant face et coopérant pour pincer une mèche de cheveux. Dans le mode de réalisation représenté aux figures, le dispositif de lissage 10 comprend un boîtier 27 creux, ayant une partie arrière 30 de forme tubulaire assemblée de manière amovible à une base 31 annulaire du corps principal 3 de l'appareil. La base 31 peut ainsi être munie de crochets 32 élastiques venant s'insérer dans des nervures correspondantes pratiquées sur la surface interne de la partie arrière 30 du boîtier 27 du dispositif.As best seen in the figure 1 , the smoothing device 10 is arranged at the air outlet end 5 of the main body 3 of the apparatus and comprises at least two smoothing elements 11,12 facing each other and cooperating to pinch a lock of hair. In the embodiment shown in the figures, the smoothing device 10 comprises a hollow housing 27, having a tubular-shaped rear portion 30 removably joined to an annular base 31 of the main body 3 of the apparatus. The base 31 can thus be provided with elastic hooks 32 which fit into corresponding ribs formed on the inner surface of the rear portion 30 of the housing 27 of the device.

Le boîtier 27 présente une partie avant 37 réalisée par une succession de voûtes 33, par exemple sept voûtes, séparées par des interstices 34 et s'étendant au centre et sur toute la longueur de la partie avant 37 du boîtier 27. Les voûtes 33 ont un profil général triangulaire, leur rebord externe ou partie d'attaque présentant des pentes 35 inclinées chacune (par exemple faisant un angle de 30 à 40° avec un plan médian passant par leur sommet) en direction d'un interstice 34 voisin. Cette inclinaison des rebords des voûtes 33 permet de guider et de faciliter l'insertion des cheveux dans un interstice 34. A l'intérieur, chaque voûte 33 présente une paroi interne formant lame fixe 21, une niche 44 étant prévue derrière cette paroi, au sein de la voûte 33. (fig. 2b et fig.3b). Les voûtes 33 sont parallèles entre elles et parallèles à l'axe longitudinal 2 du corps principal 3 de l'appareil. La rangée de voûtes 33 est disposée en la partie centrale du boîtier 27 du dispositif de lissage 10, deux ouvertures latérales 36 de sortie d'air étant prévues de part et d'autre de la rangée de voûtes 33. Par ailleurs, une rangée de picots 29 (fig. 1, fig. 2a, fig. 3a) est fixée à la base de la rangée de voûtes 33, de part et d'autre de cette dernière. La rangée de picots fait un angle d'environ 30° avec l'axe longitudinal du corps principal de l'appareil et sert à ordonner et éventuellement mettre en tension les cheveux avant leur introduction à l'intérieur du dispositif de lissage 10. Le sommet des picots 29 est en retrait par rapport à celui des voûtes 33 (fig.2a, fig. 3a) afin de pouvoir adapter le dispositif de lissage 10 au traitement des cheveux très courts.The housing 27 has a front portion 37 formed by a succession of arches 33, for example seven arches, separated by interstices 34 and extending centrally and along the entire length of the front portion 37 of the housing 27. The arches 33 have a triangular general profile, their outer rim or attacking portion having inclined slopes each (for example at an angle of 30 to 40 ° with a median plane passing through their apex) towards a gap 34 neighbor. This inclination of the rims of the vaults 33 makes it possible to guide and facilitate the insertion of the hair into a gap 34. Inside, each vault 33 has an inner wall forming a fixed blade 21, a niche 44 being provided behind this wall, on within the vault 33. ( Fig. 2b and 3B ). The vaults 33 are parallel to each other and parallel to the longitudinal axis 2 of the main body 3 of the apparatus. The row of arches 33 is arranged in the central part of the casing 27 of the smoothing device 10, two lateral openings 36 of air outlet being provided on either side of the row of arches 33. pimples 29 ( Fig. 1 , Fig. 2a , Fig. 3a ) is attached to the base of the row of arches 33, on either side of the latter. The row of pins makes an angle of about 30 ° with the longitudinal axis of the main body of the apparatus and serves to order and possibly tension the hair before introduction into the smoothing device 10. The top spikes 29 is set back from that of the vaults 33 ( fig.2a , Fig. 3a ) in order to adapt the smoothing device 10 to the treatment of very short hair.

Tel que mieux visible aux figures 2b et 3b, le boîtier 27 du dispositif de lissage 10 supporte à ses extrémités un baladeur 23 supportant à son tour plusieurs lames mobiles 22. Chaque lame mobile est montée sur le baladeur 23 sous la contrainte d'un premier ressort de rappel 24, par exemple un ressort de compression. Une rangée de lames mobiles 22 est réalisée en empilant sur le baladeur 23 : un premier ressort de rappel 24 fixé à l'une de ses extrémités par une rondelle 26 sur le baladeur 23, l'autre extrémité du ressort venant prendre appui sur une lame mobile 22, suivi d'un autre ressort 24 et d'une lame mobile 22, et ainsi de suite jusqu'à compléter la rangée de lames mobiles 22, par exemple sept lames mobiles 22 parallèles entre elles.As best seen in figures 2b and 3b , the housing 27 of the smoothing device 10 supports at its ends a sliding device 23 in turn supporting a plurality of movable blades 22. Each movable blade is mounted on the player 23 under the constraint of a first return spring 24, for example a spring compression. A row of movable blades 22 is made by stacking on the player 23: a first return spring 24 fixed at one of its ends by a washer 26 on the player 23, the other end of the spring coming to bear on a blade mobile 22, followed by another spring 24 and a movable blade 22, and so on until complete the row of movable blades 22, for example seven movable blades 22 parallel to each other.

Les lames mobiles 22 ont une forme générale triangulaire (fig.1) comportant une face plane 20 de contact avec une lame fixe 21 en vis-à-vis. Les lames mobiles 22 sont agencées de manière à ce que leurs faces planes 20 soient perpendiculaires à l'axe du baladeur 23 et parallèles à l'axe longitudinal 2 du corps principal 3 de l'appareil.The movable blades 22 have a generally triangular shape ( fig.1 ) having a flat face 20 of contact with a fixed blade 21 vis-à-vis. The movable blades 22 are arranged so that their flat faces 20 are perpendicular to the axis of the player 23 and parallel to the longitudinal axis 2 of the main body 3 of the apparatus.

Le baladeur 23 est une tige cylindrique comportant une première extrémité 38 tenue par un flasque 39, l'extrémité opposée 40 étant tenue, elle, par une fourche 41 (fig.1). Le baladeur 23 est monté avec une possibilité de déplacement le long de son axe longitudinal sous la poussée d'un deuxième ressort de rappel 25 monté entre sa première extrémité 38 et le flasque 39. Lorsque le baladeur 23 est monté à l'intérieur du boîtier 27 du dispositif de lissage 10, les lames mobiles 22 viennent s'insérer entre les lames fixes 21. Deux caches latéraux 42,43 viennent compléter le boîtier 27 en se superposant à celui-ci au niveau de ses extrémités latérales. Le dispositif de lissage 10 comporte ainsi une rangée 28 de plusieurs paires de lames fixes 21 et mobiles 22 montées côte à côte perpendiculairement à l'axe du baladeur 23, rangée agencée au centre de l'ouverture 8 de sortie d'air de l'appareil.The player 23 is a cylindrical rod having a first end 38 held by a flange 39, the opposite end 40 being held, it, by a fork 41 ( fig.1 ). The player 23 is mounted with a possibility of displacement along its longitudinal axis under the thrust of a second return spring 25 mounted between its first end 38 and the flange 39. When the player 23 is mounted inside the housing 27 of the smoothing device 10, the movable blades 22 are inserted between the fixed blades 21. Two side covers 42,43 complete the housing 27 by superimposing it at its lateral ends. The smoothing device 10 thus comprises a row 28 of several pairs of fixed blades 21 and mobile 22 mounted side by side perpendicular to the axis of the player 23, row arranged in the center of the opening 8 of the air outlet of the apparatus.

Selon un aspect avantageux de l'invention, l'appareil comprend un dispositif de réglage 14 de la force de pression des éléments de lissage 11,12 du dispositif de lissage 10, dispositif de réglage 14 qui appartient au corps principal 3 de l'appareil. Le dispositif de réglage 14 comporte une bague de commande 15 agencée à l'extrémité d'entrée d'air 4 dans le corps principal 3 de l'appareil. La bague 15 a une forme générale annulaire comportant un rebord strié 45 faisant saillie à l'extérieur du corps principal 3 de l'appareil et une partie interne nervurée située à l'intérieur du corps principal 3. La partie interne nervurée comprend une nervure circulaire 46 de guidage en rotation autour de l'axe longitudinal 2 du corps principal 3 de l'appareil et une deuxième nervure 47 concentrique et d'un même diamètre que la première. La deuxième nervure 47 comporte une rampe hélicoïdale 18 protubérante vers l'intérieur du corps 3, rampe qui, dans l'exemple représenté aux figures, s'étend sur environ un quart de la circonférence de la nervure 47. La rampe hélicoïdale 18 vient au contact d'un ergot 19 d'un organe de réglage 17. Dans l'exemple représenté aux figures, pour réduire le frottement avec la rampe 18, l'ergot 19 est remplacé par un galet qui tourne autour d'un axe vertical (perpendiculaire à l'axe longitudinal du corps 3). Tel que mieux visible à la figure 1, l'organe de réglage 17 comporte, sur chacun de ses côtés latéraux, une rampe de guidage 48 agencée parallèlement à l'axe longitudinal du corps 3, lui assurant un déplacement en coulissement dans la direction de l'axe longitudinal 2 lors de la rotation de la bague de commande 15. L'organe de réglage 17 est maintenu au contact de la rampe 18 de la bague de commande 15, moyennant le galet ou l'ergot 19, par un ressort 50, par exemple un ressort de compression agencé au centre et dans le prolongement de la partie avant de l'organe de réglage 17.According to an advantageous aspect of the invention, the apparatus comprises a device 14 for adjusting the pressure of the smoothing elements 11, 12 of the smoothing device 10, which adjustment device 14 belongs to the main body 3 of the apparatus . The adjusting device 14 comprises a control ring 15 arranged at the air inlet end 4 in the main body 3 of the apparatus. The ring 15 has a generally annular shape with a striated flange 45 projecting outside the main body 3 of the apparatus and a ribbed inner portion located inside the main body 3. The ribbed inner portion comprises a circular rib 46 for guiding rotation about the longitudinal axis 2 of the main body 3 of the apparatus and a second rib 47 concentric and of the same diameter as the first. The second rib 47 comprises a helical ramp 18 protruding towards the inside of the body 3, which ramp, in the example shown in the figures, extends over approximately a quarter of the circumference of the rib 47. The helical ramp 18 comes to the contact of a pin 19 of an adjusting member 17. In the example shown in the figures, to reduce the friction with the ramp 18, the pin 19 is replaced by a roller which rotates about a vertical axis (perpendicular to the longitudinal axis of the body 3). As best seen in the figure 1 , the adjusting member 17 comprises, on each of its lateral sides, a guide ramp 48 arranged parallel to the longitudinal axis of the body 3, ensuring a sliding displacement in the direction of the longitudinal axis 2 during the rotation of the control ring 15. The adjustment member 17 is held in contact with the ramp 18 of the control ring 15, by means of the roller or the pin 19, by a spring 50, for example a compression spring arranged in the center and in the extension of the front part of the adjustment member 17.

Selon l'invention, l'appareil comporte un dispositif d'ouverture 51 des éléments de lissage 11,12 dont les lames fixe 21 et mobile 22 se trouvent normalement fermées, leurs surfaces de traitement étant au contact l'une de l'autre (on comprend l'état du dispositif au repos, le dispositif étant monté sur l'appareil et aucun organe de commande n'étant actionné). Le dispositif d'ouverture 51 comporte un mécanisme d'ouverture à plusieurs bras articulés actionné depuis la poignée 6 par une gâchette 52. La gâchette 52 est montée rotative autour d'un premier axe de pivotement 53, un ressort de torsion (non représenté aux dessins) étant prévu pour assurer le retour de la gâchette dans sa position de repos. L'axe de pivotement 53 est transversal à l'axe longitudinal 2 du corps principal 3 de l'appareil. La gâchette 52 comporte une protubérance 49 sur son côté interne opposé à celui externe d'appui. Un basculeur 54 est un bras doublement articulé monté rotatif à l'une de ses extrémités autour du premier axe de pivotement 53 et à l'extrémité opposée autour d'un deuxième axe de pivotement 56, parallèle à l'axe 53. Une biellette 55 est montée également doublement articulée en rotation autour du deuxième axe de pivotement 56 à l'une de ses extrémités et autour d'un troisième axe de pivotement 57, parallèle à l'axe 56, à l'extrémité opposée.According to the invention, the apparatus comprises an opening device 51 of smoothing elements 11, 12 whose fixed blades 21 and mobile blades 22 are normally closed, their treatment surfaces being in contact with each other ( the state of the device at rest is understood, the device being mounted on the apparatus and no actuator being actuated). The opening device 51 comprises an opening mechanism with several articulated arms actuated from the handle 6 by a trigger 52. The trigger 52 is rotatably mounted about a first pivot axis 53, a torsion spring (not shown in FIGS. drawings) being provided to ensure the return of the trigger in its rest position. The pivot axis 53 is transverse to the longitudinal axis 2 of the main body 3 of the apparatus. The trigger 52 has a protuberance 49 on its inner side opposite to that external support. A rocker 54 is a doubly articulated arm rotatably mounted at one of its ends around the first pivot axis 53 and at the opposite end around a second pivot axis 56, parallel to the axis 53. A link 55 is mounted also doubly articulated in rotation about the second pivot axis 56 at one of its ends and about a third pivot axis 57, parallel to the axis 56, at the opposite end.

Le dispositif d'ouverture 51 comporte une tirette 60 comportant une partie avant formant une tige longitudinale 59 prolongée à l'arrière par une base 58 comportant des rails de guidage 61 dans une glissière prévue à cet effet dans le corps principal 3 de l'appareil et agencée parallèlement à l'axe longitudinal 2 de celui-ci. La base 58 est alignée avec le ressort 50 et donc avec l'organe de réglage 17, l'extrémité arrière de la base 58 venant prendre appui sur le ressort hélicoïdal 50. L'extrémité arrière de la tirette 60 comporte par ailleurs un bras inférieur 65 parallèle à l'axe longitudinal de la tige 59 en étant décalé vers le bas, en direction de la poignée, l'extrémité arrière du bras inférieur 65 étant montée sur le troisième axe de pivotement 57.The opening device 51 comprises a pull tab 60 having a front portion forming a longitudinal rod 59 extended at the rear by a base 58 having guide rails 61 in a slideway provided for this purpose in the main body 3 of the apparatus and arranged parallel to the longitudinal axis 2 thereof. The base 58 is aligned with the spring 50 and therefore with the setting 17, the rear end of the base 58 coming to bear on the coil spring 50. The rear end of the pull tab 60 further comprises a lower arm 65 parallel to the longitudinal axis of the rod 59 being shifted towards the down towards the handle, the rear end of the lower arm 65 being mounted on the third pivot axis 57.

Selon un autre aspect avantageux de l'invention, l'extrémité avant 66 de la tirette 60 vient au contact d'une tirette secondaire 62 appartenant au boîtier 27 du dispositif de lissage 10. L'extrémité avant 67 de la tirette secondaire 62 vient au contact du bras inférieur 68 d'un levier 63 monté pivotant autour d'un axe 64 surélevé agencé selon une direction parallèle aux lames fixes 21 et mobiles 22 (ou transversal à l'axe du baladeur 23). Le levier 63 comporte deux bras supérieurs 70 faisant un angle d'environ 90° avec le bras inférieur 68 et prenant appui dans des encoches internes de la fourche 41 supportant le baladeur 23.According to another advantageous aspect of the invention, the front end 66 of the pull tab 60 comes into contact with a secondary pull tab 62 belonging to the housing 27 of the smoothing device 10. The front end 67 of the secondary pull tab 62 comes into contact of the lower arm 68 of a lever 63 pivotally mounted about a raised axis 64 arranged in a direction parallel to the fixed blades 21 and movable 22 (or transverse to the axis of the player 23). The lever 63 comprises two upper arms 70 making an angle of about 90 ° with the lower arm 68 and bearing in internal notches of the fork 41 supporting the player 23.

Le fonctionnement du dispositif d'ouverture sera maintenant décrit plus particulièrement en référence à la figure 3b : lorsque l'utilisatrice actionne la gâchette 52 vers l'intérieur de la poignée 6, la gâchette 52 tourne autour du premier axe de pivotement 53 et sa protubérance 49 vient au contact du basculeur 54 au niveau de son point d'articulation autour du deuxième axe de pivotement 56. La protubérance 49 fait alors pivoter le basculeur 54 autour du premier axe de pivotement 53 qui entraîne alors la biellette 55 et la fait déplacer vers l'arrière. Le déplacement vers l'arrière de la biellette 55 entraîne le coulissement vers l'arrière de la tirette 60 selon une direction parallèle à celle de l'axe longitudinal 2 du corps 3 de l'appareil. Le ressort principal 50 est alors comprimé et le deuxième ressort de rappel 25 pousse le baladeur 23 avec les lames mobiles 22 qui se trouvent alors écartées des lames fixes 21 adjacentes. Tel que visible à la figure 3b, les interstices 34 sont dégagés, une lame mobile 22 étant logée dans la niche 44 d'une lame fixe 21 adjacente.The operation of the opening device will now be described more particularly with reference to the figure 3b when the user actuates the trigger 52 towards the inside of the handle 6, the trigger 52 rotates about the first pivot axis 53 and its protrusion 49 comes into contact with the rocker 54 at its point of articulation around the second pivot pin 56. The protuberance 49 then pivots the rocker 54 about the first pivot axis 53 which then drives the link 55 and moves it backwards. The rearward movement of the rod 55 causes the sliding of the puller 60 towards the rear in a direction parallel to that of the longitudinal axis 2 of the body 3 of the apparatus. The main spring 50 is then compressed and the second return spring 25 pushes the player 23 with the movable blades 22 which are then spaced apart from the fixed blades 21 adjacent. As visible at figure 3b , the interstices 34 are disengaged, a movable blade 22 being housed in the recess 44 of a fixed blade 21 adjacent.

A l'inverse, lorsque la gâchette 52 est relâchée, celle-ci revient en position initiale sous la poussée d'un ressort de torsion agencé autour de l'axe de pivotement de la gâchette 52, la tirette 60 étant alors poussée vers l'avant par la force du ressort 50 qui est supérieure à celle du deuxième ressort de rappel 25 qui est ainsi comprimé et les lames mobiles 22 se retrouvent au contact des lames fixes 21.Conversely, when the trigger 52 is released, it returns to its initial position under the thrust of a torsion spring arranged around the axis of pivoting of the trigger 52, the pull tab 60 then being pushed towards the before by the force of the spring 50 which is greater than that of the second return spring 25 which is thus compressed and the movable blades 22 are in contact with the fixed blades 21.

Le fonctionnement du dispositif de réglage sera maintenant décrit plus particulièrement en référence à la figure 2b : lorsque l'utilisatrice tourne la bague de commande 15, sa rampe hélicoïdale 18 pousse l'ergot 19 et donc l'organe de réglage 17 vers l'avant, il comprime le ressort principal 50 qui ensuite applique plus de force sur la tirette 60. La tirette 60 pousse à son tour la tirette secondaire 62 qui fait basculer le levier 63 qui, lui, pousse la fourche 41 avec le baladeur 23 vers le haut. Le déplacement du baladeur 23 avec les lames mobiles 22 en direction des lames fixes 21 augmente la force de serrage au niveau de leur contact.The operation of the adjustment device will now be described more particularly with reference to the figure 2b when the user rotates the control ring 15, its helical ramp 18 pushes the lug 19 and therefore the adjusting member 17 forwards, it compresses the main spring 50 which then applies more force to the zipper 60 The pull tab 60 in turn pushes the secondary pull tab 62 which tilts the lever 63 which itself pushes the fork 41 with the player 23 upwards. The movement of the player 23 with the movable blades 22 towards the fixed blades 21 increases the clamping force at their contact.

En position de réglage minimum, le ressort principal 50 est peu comprimé et les lames fixes 21 et mobiles 22 du dispositif de lissage se touchent en se fermant quasiment sans pression.In the minimum adjustment position, the main spring 50 is slightly compressed and the fixed blades 21 and mobile 22 of the smoothing device touching closing almost without pressure.

En position de réglage maximum, le ressort principal 50 est fortement comprimé et les lames fixes et mobiles du dispositif de lissage sont fermées avec pression.In the maximum setting position, the main spring 50 is strongly compressed and the fixed and movable blades of the smoothing device are closed with pressure.

Selon un aspect avantageux de l'invention, le dispositif d'ouverture 51 peut être actionné dans n'importe quelle position d'ajustement du dispositif de réglage 14. Du fait que la gâchette 52 et le basculeur 54 ne sont pas connectés de manière permanente, mais ils viennent se toucher uniquement lors du déplacement de la gâchette 52, la position de cette dernière ne change pas lors de la manipulation de la bague de commande 15. Il faut remarquer que, la distance entre la protubérance 49 de la gâchette 52 et l'extrémité pivotante autour du deuxième axe de pivotement 56 du basculeur 54 varie en fonction de l'état de compression du ressort principal 50, celle-ci étant suffisamment importante pour éviter un contact permanent entre les deux. Ainsi, en appuyant sur la gâchette 52, la tirette 60 est poussée vers l'arrière, elle comprime le ressort principal 50 et permet l'ouverture des lames 21, 22 du dispositif de lissage 10 dans toutes les positions de la bague de commande 15.According to an advantageous aspect of the invention, the opening device 51 can be actuated in any adjustment position of the adjusting device 14. Because the trigger 52 and the rocker 54 are not permanently connected. , but they come to touch only when the trigger 52 is moved, the position of the latter does not change when handling the control ring 15. It should be noted that, the distance between the protrusion 49 of the trigger 52 and the pivoting end about the second pivot axis 56 of the rocker 54 varies depending on the compression state of the main spring 50, the latter being large enough to avoid permanent contact between the two. Thus, by pressing the trigger 52, the pull tab 60 is pushed backwards, it compresses the main spring 50 and allows the opening of the blades 21, 22 of the smoothing device 10 in all the positions of the control ring 15 .

A titre d'exemple, des mesures de force de serrage sur les cheveux ont été effectuées au laboratoire. Ainsi, on a mesuré à l'aide d'un dynamomètre la force de traction exercée sur une tresse de fils de nylon calibrés ayant un diamètre de 0.6 mm proche de celui des cheveux et placée entre toutes les lames du dispositif de lissage. Ainsi, avec le dispositif de réglage de l'invention, la force de traction sur la tresse expérimentale peut varier entre 180g et 640g pour un déplacement d'un quart de tour de la bague de commande 15. Des réglages plus fins peuvent être réalisés en modifiant la forme et/ou les dimensions de la rampe de la bague de commande 15.For example, clamping force measurements on the hair were made in the laboratory. Thus, the tensile force exerted on a braid of calibrated nylon threads having a diameter of 0.6 mm close to that of the hair and placed between all the blades of the smoothing device was measured using a dynamometer. Thus, with the adjusting device of the invention, the tensile force on the experimental braid can vary between 180g and 640g for a shift of a quarter turn of the control ring 15. Fine adjustments can be made in modifying the shape and / or the dimensions of the ramp of the control ring 15.

D'autres variantes et modes de réalisation de l'invention peuvent être envisagés sans sortir du cadre de ces revendications.Other variants and embodiments of the invention may be envisaged without departing from the scope of these claims.

Claims (19)

  1. A hair straightening apparatus comprising:
    - a main body (3) having an air inlet (4) and an air outlet (5),
    - a heating element housed inside said main body (3) and designed to heat the air,
    - a fan provided inside said main body (3) and designed to blow air towards the heating element,
    - a handle (6) attached to said main body (3),
    - a straightening device (10) comprising at least two opposing straightening elements (11, 12) which cooperate to grip a strand of hair and being arranged at the end of the air outlet (5),
    - a device to displace the straightening elements and designed to modify the distance between the two opposing straightening elements,
    - and an adjustment device (14) designed to adjust the force of pressure between the straightening elements (11, 12),
    characterised in that it comprises a common pull tab (60) designed to transmit to the straightening device a control from said two distinct displacement and adjustment (14) devices.
  2. An apparatus according to claim 1, characterised in that the pull tab (60) is arranged so that it can move translationally along the same axis to actuate the displacement device when it moves in a first direction and the adjustment device (14) when it moves in the opposite direction.
  3. An apparatus according to one of claims 1 or 2, characterised in that the pull tab (60) can move in a direction parallel to that of the longitudinal axis (2) of the main body (3) of the apparatus.
  4. An apparatus according to one of the preceding claims, characterised in that the displacement device and the adjustment device (14) are arranged in the extension of each other, connected by a compression spring (50).
  5. An apparatus according to one of the preceding claims, characterised in that the straightening elements (11, 12) are normally closed by being pushed against each other by the force of an elastic means and that said displacement device is a device that opens (51) the straightening elements (11, 12).
  6. An apparatus according to one of claims 2 to 5, characterised in that the pull tab (60) is actuated in said first direction by a trigger (52) belonging to the handle (6) of the apparatus.
  7. An apparatus according to claim 6, characterised in that said trigger (52) is mounted pivotally articulated around a horizontal axis of the handle and drives the pull tab (60) by means of two intermediate articulated arms.
  8. An apparatus according to one of the preceding claims, characterised in that said adjustment device (14) comprises a control ring (15) designed to rotate around the longitudinal axis of the main body (3) of the apparatus.
  9. An apparatus according to claim 8, characterised in that said control ring (15) is arranged in proximity to the opening of the air inlet (4) of the generally cylindrical main body (3) of the apparatus.
  10. An apparatus according to one of claims 8 or 9, characterised in that said adjustment device (14) comprises a linearly moveable adjustment member (17), which is designed to vary the tightening force between the straightening elements when the control ring (15) is driven in a rotational movement.
  11. An apparatus according to claim 10, characterised in that the inner surface of the control ring (15) comprises a helical ramp (18) which slidably receives a lug (19) of the adjustment member (18) parallel to the longitudinal axis of the apparatus.
  12. An apparatus according to one of the preceding claims, characterised in that the two straightening elements (11, 12) are formed by a fixed blade (21) and a mobile blade (22) supported by a slider (23).
  13. An apparatus according to claim 12, characterised in that the mobile blade (22) is mounted on the slider (23) under the pressure of a first return spring (24).
  14. An apparatus according to one of claims 12 or 13, characterised in that the slider (23) is mounted by means of a second return spring (25) in the housing (27) of the straightening device (10).
  15. An apparatus according to one of claims 12 to 14, characterised in that the straightening device (10) comprises a row (28) of several pairs of fixed (21) and mobile (22) blades mounted side by side transversal to the axis of said slider (23).
  16. An apparatus according to claim 15, characterised in that said row (28) is arranged in the middle of the opening (8) of the air outlet and that a row of spikes (29) is arranged on either side of the row (28) of straightening elements, recessed relative to the driving portion thereof.
  17. An apparatus according to one of claims 12 to 16, characterised in that the mobile blades (22) move in a direction transversal to that of the air flow blown by the apparatus.
  18. An apparatus according to one of the preceding claims, characterised in that the pull tab (60) is connected to a member that transmits the movement in a direction transversal to that of the air flow blown by the apparatus.
  19. An apparatus according to one of the preceding claims, characterised in that the straightening device (10) is removably mounted relative to the main body (3) of the apparatus.
EP08805635A 2007-06-05 2008-06-03 Hair smoothing apparatus Not-in-force EP2152116B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0704006A FR2916947B1 (en) 2007-06-05 2007-06-05 APPARATUS FOR SMOOTHING HAIR
PCT/FR2008/000747 WO2009007521A2 (en) 2007-06-05 2008-06-03 Hair smoothing apparatus

Publications (2)

Publication Number Publication Date
EP2152116A2 EP2152116A2 (en) 2010-02-17
EP2152116B1 true EP2152116B1 (en) 2012-02-22

Family

ID=38950790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08805635A Not-in-force EP2152116B1 (en) 2007-06-05 2008-06-03 Hair smoothing apparatus

Country Status (6)

Country Link
EP (1) EP2152116B1 (en)
CN (1) CN101677671B (en)
AT (1) ATE546060T1 (en)
ES (1) ES2382097T3 (en)
FR (1) FR2916947B1 (en)
WO (1) WO2009007521A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009011098U1 (en) * 2009-10-01 2011-02-17 Wik Far East Ltd. Haarglättvorrichtung
DE202011050034U1 (en) * 2011-05-04 2012-08-06 Wik Far East Ltd. Hair styling device
CN209732902U (en) * 2018-12-07 2019-12-06 飞利浦(中国)投资有限公司 hair appliance
EP3834654A1 (en) * 2019-12-12 2021-06-16 Koninklijke Philips N.V. Haircare device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553632A (en) * 1995-03-03 1996-09-10 Burkhardt; Charles W. Hair styling device
FR2785159B1 (en) * 1998-10-30 2000-12-22 Seb Sa HAIR SMOOTHING ACCESSORY
AUPR815401A0 (en) * 2001-10-08 2001-11-01 Owling Pty Limited A personal grooming aid and method
HK1053938A2 (en) * 2002-09-06 2003-10-31 Wing Kin Chan Combing device with adjustable teeth spacing
FR2848075B1 (en) * 2002-12-05 2006-04-28 Seb Dev HAIR DRYER
FR2888095B1 (en) * 2005-07-05 2007-09-07 Seb Sa HAIR TREATMENT DEVICE AND HAIR TREATMENT APPARATUS COMPRISING SUCH A DEVICE

Also Published As

Publication number Publication date
CN101677671B (en) 2012-02-29
WO2009007521A3 (en) 2009-04-16
ES2382097T3 (en) 2012-06-05
ATE546060T1 (en) 2012-03-15
CN101677671A (en) 2010-03-24
WO2009007521A2 (en) 2009-01-15
EP2152116A2 (en) 2010-02-17
FR2916947B1 (en) 2009-08-14
FR2916947A1 (en) 2008-12-12

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