EP1884172B1 - Appareil à épiler produisant un flux d'air - Google Patents

Appareil à épiler produisant un flux d'air Download PDF

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Publication number
EP1884172B1
EP1884172B1 EP07356100A EP07356100A EP1884172B1 EP 1884172 B1 EP1884172 B1 EP 1884172B1 EP 07356100 A EP07356100 A EP 07356100A EP 07356100 A EP07356100 A EP 07356100A EP 1884172 B1 EP1884172 B1 EP 1884172B1
Authority
EP
European Patent Office
Prior art keywords
epilator
roller
air
skin
blower
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
EP07356100A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1884172A1 (fr
Inventor
Jérome Fabron
Martial Maisonneuve
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP1884172A1 publication Critical patent/EP1884172A1/fr
Application granted granted Critical
Publication of EP1884172B1 publication Critical patent/EP1884172B1/fr
Not-in-force legal-status Critical Current
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
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
    • A45D26/0061—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with means for reducing pain during hair removal
    • 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
    • A45D26/00—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers
    • A45D26/0023—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements
    • A45D26/0028—Hair-singeing apparatus; Apparatus for removing superfluous hair, e.g. tweezers with rotating clamping elements with rotating discs or blades

Definitions

  • the present invention relates to a tweezers of the type comprising pliers for tearing unwanted hair, unwanted, the human body, and more particularly relates to such an apparatus equipped with means for reducing the pain caused by tearing of the bristles. fur.
  • This type of apparatus generally comprises blade or disk-shaped grippers arranged on a rotating or oscillating roller, arranged in the upper part of a housing forming a gripping means, the roller being driven in motion by an electric motor arranged in a the same case.
  • the forceps are caused to close and open periodically so as to grasp the hair close to the skin, tear them off, and then evacuate them, during the movement of the roller.
  • Hair removal by pulling hair is a very effective method against their regrowth, but it is sometimes quite painful. This pain is due to the repeated pulling on the hair, or to the lesions or irritations of the hair follicles caused by the pulling of the hairs.
  • the object of the present invention is to overcome the aforementioned drawbacks and to provide a tweezers with peelers having pain-relieving means for numbing the area of the skin to be epilated effectively during the epilation process, without limitation autonomy.
  • Another object of the invention is to provide a depilatory device comprising painter means capable of providing a powerful air flow, while being low noise, can be obtained with simple, reliable and economical means.
  • Another object of the invention is to provide a depilatory device of compact construction, small dimensions, ergonomic, while incorporating pain-killing means effective and reliable over time.
  • the depilatory apparatus comprises, within a hand-held housing, depilatory means driven by an electric motor for actuating at least one tear-off pliers carried by a hair removal roller rotated around it of its longitudinal axis when driven from the housing.
  • each pulling pliers is actuated to effect a cyclic movement of closing, of relative movement with respect to the skin in order to tear off the bristles that are inside the closed clamp, as well as opening up to start a new cycle of hair removal.
  • the housing of the apparatus also contains a fan set in motion by an electric motor (which may be that of driving hair removal means or a different motor), this fan being provided to create an air flow between an inlet air in the housing and an air outlet of the housing facing the skin.
  • the air inlet opening in the housing is located in the vicinity of a longitudinal side of the epilation roller, the outlet of the air flow being located on the opposite side of the housing.
  • hair removal roller to direct the flow of air blown by the fan towards the skin and thus obtain an analgesic effect immediately after tearing.
  • the air-flow circuit must be dimensioned so as to minimize the pressure drops.
  • v is the velocity of the air
  • K is a coefficient of the flow vein.
  • the flow being the product between the speed and the air passage section, it follows that at constant flow, it is necessary a passage section, so significant air inlet. In view of the fact that a depilatory device is hand-held and should be as compact as possible, this inlet opening must then be sized to strict manner and must remain always open, unobstructed in operation.
  • the air intake is ensured through the entire opening provided for this effect, close to a longitudinal side and, preferably, just below the hair removal roller.
  • the air inlet opening having dimensions calculated to be able to ensure a good flow of air towards the fan, allows first of all to ensure that it is placed so as never to be obscured by the hand of the user during hair removal, while allowing an optimum size of the device.
  • the air inlet opening is located on the front face of the housing.
  • An air inlet opening could have been envisaged in the form of a suction nozzle allowing an air inlet tangentially to the roll, in a direction perpendicular to the plane of the skin, but at the cost of a thicker housing and therefore more difficult to grasp and handle.
  • the arrangement of the air inlet opening in the form of a wide window in the plane of the front face of the housing, allows a device construction flat dish, discreet, and having a very good ergonomics.
  • said air inlet opening is located at the front of the hair removal roller in the direction of movement thereof on the skin.
  • the fan is mounted directly on the output shaft of the drive motor of the hair removal roller and is underlying the roller.
  • the fan drive the same motor as that used to drive the hair removal roller. It is then preferable that the fan is directly rotated by the motor so that it can rotate at high speed, especially at the speed of the motor shaft, because the flow rate depends linearly on the speed. Its underlying arrangement with the roller makes it possible to reduce the flow of the air flow from the air inlet of the housing and therefore the aeraulic losses, while obtaining a more compact apparatus.
  • the output shaft of the motor is transverse to the axis of rotation of the hair removal roller which is parallel to the skin.
  • the motor can be oriented in a horizontal position, its output shaft being parallel to the skin and supporting the fan, however, a vertical motor is preferred, whose output shaft is perpendicular to the skin and drives the fan.
  • a vertical motor fits well into an elongated housing, more easily manageable and ensuring a better grip.
  • said fan is a centrifugal fan squirrel cage.
  • a centrifugal fan called squirrel cage or direct acting is a centrifugal fan with blades facing forward in the direction of rotation. This type of fan, operating at low pressure, provides a high flow rate and total pressure, for a low power consumption.
  • the sensation of freshness obtained with a flow of air blown towards the skin is determined mainly by two parameters: flow rate and flow velocity of air, these parameters varying in opposite directions and being connected by the output section.
  • a centrifugal fan is able to provide an air flow rate of between 2 and 4. m 3 / h and a speed between 10m / s and 30 m / s.
  • a suction chamber of height at least equal to that of the fan is provided below the hair removal roller.
  • the air inlet opening comprises a protective grid.
  • the protective grid prevents access to the moving internal parts of the apparatus.
  • the grid has a generally rectangular shape of length comparable to that of the epilation roller and wider than the fan.
  • the grid has a plurality of orifices with rounded contours uniformly distributed over its surface.
  • a grid made in the form of a lattice could have been envisaged, but a perforated grid is preferred because it fits better into the construction of the box, which can for example be overmolded with it.
  • the orifices each have a rounded contour, a connection radius being necessary at the inlet of the orifice in order to reduce the coefficient of the flow vein and, consequently, the pressure drops and thus obtain good air flow transparency.
  • the fan comprises a volute.
  • Such a volute is an envelope that surrounds the fan wheel, it has a shape of snail, or even logarithmic spiral, and allows to gradually increase, from its beak, the flow of the centrifugal fan and thus improve the yield of it.
  • the apparatus comprises an air duct which sealingly connects the output of the volute to a flat outlet nozzle arranged parallel to the depilating roller, close to the latter.
  • the air flow leaving the volute of the fan is directly recovered by an air duct which directs it towards the skin, without losses, while forcing the flow of air out through a flat nozzle.
  • This blade of air moves with the device ensuring a continuous scan of the skin and a soothing effect during tearing.
  • the outlet nozzle is arranged behind the epilating roller in the direction of movement of the latter on the skin.
  • the volute is formed at least in part by the walls of the housing.
  • This provides a very compact construction of the device, while allowing to simplify the construction and assembly of the device.
  • the hair removal roller is supported by a head portion of the casing pivotally mounted relative to a second handle portion.
  • the air outlet nozzle can be secured to the housing or the head and in this case, it will be connected to the housing by a flexible bellows .
  • the hair removal roller is removably mounted relative to the housing.
  • Such an epilation accessory can be a skin scrubbing device, a trimmer head to shorten the hair before tearing or a shaving head.
  • the depilatory device shown in figure 1 comprises a casing 1 and a tweezer head 2.
  • the depilatory head 2 comprises an epilation roller 3 which includes tear-off pliers and is rotated about its longitudinal axis, parallel to the skin during the operation hair removal.
  • the apparatus also comprises a control button 5 located on the middle part of the front face of the housing 1.
  • the housing 1 is made in two parts and encloses an electric motor 10 which drives a gear train 11 transmitting the rotational movement about a vertical axis of the output shaft 12 of the motor 10 to a transmission wheel 14, rotating around an axis horizontal, and coming directly into engagement with a drive gear (not visible in the drawings) of the hair removal roller 3.
  • the electric motor 10 and the gear train 11 are supported by a frame 16 mounted within the housing 1 with elastic stops 22.
  • the depilatory head 2 is removably mounted relative to the housing 1 and the transmission wheel 14 of the latter. More particularly, a support 15 is made on the upper part of the housing 1 and is intended to removably receive the epilator head 2. For this, the epilator head 2 and the support 15 are provided with locking means to the help from which they are attached to each other and are then separated from each other. Thus, the depilatory head can be provided with tenons automatically engaging with lock tabs of the housing.
  • An unlocking button 4 is provided on one side of the housing 1 by means of which the tenons of the depilatory head are released and the latter can be removed from the housing 1.
  • the support 15 is hingedly mounted relative to the housing 1 , the support 15 being pivoted, under the force of a return spring, about a horizontal pivot axis, parallel to the longitudinal axis of the rotating roller 3, during movement of the device on the skin.
  • the pivot axis of the support 15 is embodied by a rod carried by the upper part of the frame 16.
  • the tweezer head 2 has two side covers 6,7 that cover the hair removal roller 3.
  • the hair removal roller 3 comprises a number of tear-off modules carried by a peripheral cage concentric with the longitudinal axis of the roller and rotated by a drive pinion receiving the movement of the electric drive motor 10, via the gear train 11 and the transmission wheel 14.
  • a pulling module comprises a plurality of pulling tongs, each clamp being formed of a movable blade 8 and a fixed blade 9 adjacent.
  • the base of a movable blade 8 follows the groove of an inner cam and applies and moves successively from an adjacent fixed blade 9 during its rotational drive about the longitudinal axis of the hair removal roller 3.
  • the grippers of the tearing modules are angularly offset on the periphery of the rotary cylinder 3.
  • the apparatus of the invention comprises painkiller means comprising a fan 17 ( fig.2 ) mounted directly on the output shaft 12 of the electric motor 10, and therefore rotating at the same speed as this one, for example at 13000 rpm, for sucking the ambient air from an inlet opening 18 of the housing 1 and send it towards the skin through an outlet opening 19 ( Fig. 1 ).
  • painkiller means comprising a fan 17 ( fig.2 ) mounted directly on the output shaft 12 of the electric motor 10, and therefore rotating at the same speed as this one, for example at 13000 rpm, for sucking the ambient air from an inlet opening 18 of the housing 1 and send it towards the skin through an outlet opening 19 ( Fig. 1 ).
  • the air inlet opening 18 is underlying the hair removal roller, being more particularly formed in the form of a rectangular window on the front face of the front hull 25.
  • the air inlet opening 18 comprises a grid 30 having a plurality of orifices 31 and forming the air inlet opening inside the housing 1.
  • the grid 30 is preferably made of a plastic molded with the front shell 25 and has the role of promoting the entry of air, while providing protection of the internal parts of the device.
  • all the edges of the gate at the inlet of the orifices 31 are rounded, in being made with a connection radius.
  • the air inlet area must have a fairly large area.
  • the grid has a surface of about 5.5 cm 2 , the orifices having a mean diameter of 1.5 mm and a mean pitch of 2 mm, which ensures a good compromise between the aeraulic transparency and the visual transparency of the grid.
  • the air sucked into the inlet opening 18 is then blown towards the skin by the fan 17 by being recovered at the outlet of its overpressure chamber by a ventilation duct 21 which directs it towards the skin.
  • the outlet opening 19 of the housing in the form of a flat nozzle 20 oriented towards the skin.
  • the nozzle 20 is prominent outside the housing 1 and is adjacent to the depilating roller 3, behind it in the direction of movement of the device on the skin. This makes it possible to send a stream of concentrated and flattened air, forming a blade or curtain of air blown behind the roller during hair removal to soothe the pain felt during tearing.
  • the outlet nozzle shown is generally rectangular in shape with rounded corners, approximately 28 mm in length and approximately 5 mm in width.
  • the three main subassemblies of the device including a central portion constituting the internal structure of the device, the front shell 25 of the housing 1 and the rear shell 26 of the latter.
  • the rear shell 26 has reliefs 23 for supporting the internal structure of the apparatus, in particular elastic stops 22 of the frame 16.
  • the rear shell 26 also includes hooks 27 engaging with tabs 28 of the front shell 25 ensuring the locking of the two shells of the housing and thus the closure of the entire device.
  • the air entering through the grid 30 arrives in a suction chamber 32 situated below the roller 3, in particular between the support 15 and the fan 17.
  • the suction chamber 32 is delimited between the inlet grille 30, the fan 17 and the walls of the frame 16.
  • the air inlet volume is very important for the operation of the fan 17.
  • the volume of the suction chamber 32 is equal to or slightly greater than that occupied by the fan 17 below.
  • the fan 17 is of the centrifugal type with squirrel cage or with blades curved forwards in the direction of rotation, according to the arrow of the figure 3b .
  • the fan 17 comprises a wheel 34 surrounded by a volute 35 ( 3B ) in the form of a snail.
  • the fan 17 of the invention must fulfill conditions of good aeraulic performance (flow, air velocity), low operating noise and compactness of the air. its construction. After calculations and tests carried out in the laboratory, the design and the optimum characteristics of the fan 17 have been determined.
  • the wheel 34 has a diameter of approximately 26 mm comprising twenty blades 36 lying forward, the height of a blade 36 being approximately 10 mm and the blade spacing approximately 3 mm.
  • the volute 35 has a snail shape and ensures the gradual increase of the fan flow from its spout 37 to the exit 38.
  • the outlet 38 of the volute 35 opens at the inlet 39 of the air duct 21 ( Fig. 2 ).
  • the air duct 21 is vertical, parallel to the axis of rotation of the wheel 34 and it directs at a right angle the tangential air flow leaving the volute 35, according to the arrows of the fig.2 .
  • the section of the inlet 39 of the air duct 21 must be large ( 3B ).
  • the flow of air must be through a smooth duct, free of steps or sharp edges.
  • connection 40 at the corner of the duct 21 must be under a large connection radius, preferably greater than 5 mm in the example shown, the same orientation being at the opposite side of the duct 21 formed in the frame 16.
  • the inner surface of the air duct 21 is polished ice at a very low roughness.
  • the volute 35 is integrated in the housing and the structure of the apparatus, it is formed by the assembly of three parts: a front portion 42 formed integrally with the front shell 25 of the housing 1, two side portions 43 formed in one same piece with the frame 16 and a rear portion 44 integrally formed with the rear shell 26 of the housing 1.
  • the front portion 42 of the volute has a curved shape surrounding the volute 35 about half of its periphery, the front part which is fitted at each of its ends with a side portion 43 formed in the frame 16.
  • the volute is closed at its rear portion 44 by the rear shell 26 of the housing 1.
  • the air duct 21 is formed between the rear shell 26 of the housing 1 and a rear wall 45 of the frame 16. As visible in FIG. figure 2 , the air duct 21 is extended by a flat nozzle 20 whose exit in the form of a rounded corner rectangle is adjacent to the hair removal roller 3 ( fig.1 ).
  • the apparatus is started by actuating the control knob 5. More particularly, the electric motor 10 which turns the epilation roller 3 and, simultaneously, the fan 17 is supplied with power. rotation, it creates an air flow between an air inlet 18 and an air outlet 19 of the apparatus.
  • the air flow circuit produced through the housing is generally U-shaped or J shaped, the inlet being on a longitudinal side of the epilation roller 3 and the outlet on the opposite side.
  • the apparatus of the invention makes it possible to produce a concentrated stream of air, shaped like a blade or air curtain, directed towards the skin and having a good flow rate, of about 3m 3 / h and a good speed. , about 20m / s producing a feeling of cold and therefore appeasing when pulling.
  • the printed form to the air flow makes it possible to obtain an apparatus having excellent ergonomics in use while blowing a powerful air flow, because the pressure drops are greatly reduced by the construction of its airflow circuit and the choice of its operating parameters.
  • the painkiller means of the device are thus effective in operation while integrating well with a depilatory device of compact construction.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Surgical Instruments (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP07356100A 2006-08-01 2007-07-30 Appareil à épiler produisant un flux d'air Not-in-force EP1884172B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0607028A FR2904516B1 (fr) 2006-08-01 2006-08-01 Appareil a epiler produisant un flux d'air

Publications (2)

Publication Number Publication Date
EP1884172A1 EP1884172A1 (fr) 2008-02-06
EP1884172B1 true EP1884172B1 (fr) 2011-10-12

Family

ID=37814126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07356100A Not-in-force EP1884172B1 (fr) 2006-08-01 2007-07-30 Appareil à épiler produisant un flux d'air

Country Status (5)

Country Link
EP (1) EP1884172B1 (zh)
CN (1) CN101116576B (zh)
AT (1) ATE527908T1 (zh)
FR (1) FR2904516B1 (zh)
RU (1) RU2007129437A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2926963B1 (fr) * 2008-01-31 2010-03-19 Seb Sa Appareil a epiler a flux d'air optimise
DE102008014016A1 (de) 2008-03-13 2009-09-24 Braun Gmbh Haarentfernungsgerät
US8551117B2 (en) 2011-03-04 2013-10-08 Soft Lines International, Ltd. Handheld exfoliating device
FR3025983B1 (fr) * 2014-09-19 2017-11-24 Seb Sa Appareil de traitement de la peau a elements vibrants
US10045795B2 (en) 2016-04-07 2018-08-14 Soft Lines International, Ltd. Handheld cosmetic device with pivoting head

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454283A1 (fr) * 1979-04-18 1980-11-14 Lamy Perret Emile Appareil a epiler les duvets
US4917678A (en) * 1988-09-01 1990-04-17 Remington Products, Inc. Depilatory device
FR2709933B1 (fr) * 1993-09-15 1996-05-15 Seb Sa Appareil à épilation mécanique par arrachage de poils sur la peau.
DE19907224C2 (de) * 1999-02-19 2001-02-22 Braun Gmbh Flüssigkeitsbehälter
CN1147255C (zh) * 1999-06-11 2004-04-28 皇家菲利浦电子有限公司 有脱毛装置和冷却装置的脱毛系统
FR2830419B1 (fr) * 2001-10-05 2004-01-02 Seb Sa Appareil a epiler a moyens antidouleur

Also Published As

Publication number Publication date
CN101116576B (zh) 2012-12-19
FR2904516B1 (fr) 2008-09-05
RU2007129437A (ru) 2009-02-10
ATE527908T1 (de) 2011-10-15
CN101116576A (zh) 2008-02-06
FR2904516A1 (fr) 2008-02-08
EP1884172A1 (fr) 2008-02-06

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