EP1884173A1 - Enthaarungsgerät mit Luftstrom-Funktion in perfektionierter Bauweise - Google Patents

Enthaarungsgerät mit Luftstrom-Funktion in perfektionierter Bauweise Download PDF

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Publication number
EP1884173A1
EP1884173A1 EP07356101A EP07356101A EP1884173A1 EP 1884173 A1 EP1884173 A1 EP 1884173A1 EP 07356101 A EP07356101 A EP 07356101A EP 07356101 A EP07356101 A EP 07356101A EP 1884173 A1 EP1884173 A1 EP 1884173A1
Authority
EP
European Patent Office
Prior art keywords
housing
skin
roller
fan
volute
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07356101A
Other languages
English (en)
French (fr)
Other versions
EP1884173B1 (de
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
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SEB SA
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Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP1884173A1 publication Critical patent/EP1884173A1/de
Application granted granted Critical
Publication of EP1884173B1 publication Critical patent/EP1884173B1/de
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.
  • this device must be loaded with liquid constantly and, therefore, it requires regular maintenance, or even disassembly of some components.
  • this device is of a large size, due to the presence of a fluid reservoir inside its housing, but also to the arrangement of the fan or fans inside its housing.
  • 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 means producing an effective operating flow of air and reliable over time.
  • a depilatory device comprising a housing intended to be held by hand, comprising means for hair removal by pulling the hair on the skin and means for driving the hair removal means, and a fan driven by an electric motor to create a flow of air between an inlet opening of the housing and an exit opening of the housing facing the skin, because said fan has a volute formed at least in part in one of the internal faces of the housing walls.
  • the epilator comprises, within a hand-held housing, depilatory means driven by an electric motor for actuating at least one pulling pliers in a cyclic movement of closing, relative movement by to the skin for tearing the hairs inside the closed clamp, and opening 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 from the housing.
  • the fan is of the centrifugal type comprising a volute formed at least partly in one of the internal walls of the housing.
  • 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.
  • this volute extending radially increasing on the periphery of the fan wheel, in the direction of rotation of the latter, occupies a large space around the fan.
  • the volute is either partially materialized by the walls of the housing, being made in one piece, for example by molding with the shell of the housing, or partly assembled with the shell of the housing, for example by gluing , so that there is no free space between the volute and the inner wall of the housing.
  • said housing comprises a front shell and a rear shell enclosing a frame and the volute is in three parts: a first formed in the inner face of the front shell, a second in the walls of the chassis and a third in the inner face from the back shell.
  • the depilatory device is formed by the assembly of three main parts: a frame forming internal structure and supporting its components and two housing shells, front and rear enclosing these components and forming a gripping means.
  • 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: the flow rate and the speed of the air flow, these parameters varying in opposite directions and being connected by the exit 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.
  • the epilation means comprise an epilation roller rotating about an axis arranged parallel to the skin and the fan is mounted directly on the output shaft of the driving motor of the epilation 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. Furthermore, an arrangement of the fan underlying the roller is preferred in order to reduce the flow path of the air flow inside the casing 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.
  • 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 air inlet opening is located on the front face of the housing in the direction of movement of the hair removal roller on the skin.
  • a suction chamber of height at least equal to that of the volute is arranged below the hair removal roller.
  • 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 outlet of the volute is connected to the air duct with a radius equal to or greater than 5 mm.
  • the air duct is connected tangentially to the outlet of the volute, and it then has a right-angled elbow to connect its air outlet to the nozzle placed next to the hair removal roller.
  • the radius of connection between the volute and the duct must be as large as possible, preferably greater than 5 mm.
  • 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 apparatus shown in FIG. 1 comprises a housing 1 and a tweezers head 2.
  • the depilatory head 2 comprises an epilation roller 3 which has tear-off tongs and is rotated about its longitudinal axis , parallel to the skin during the operation of 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 pain-relieving means comprising a fan 17 (FIG. 2) mounted directly on the output shaft 12 of the electric motor 10, and thus 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 sending it towards the skin through an outlet opening 19 ( Figure 1).
  • the air blown by the fan 17 is recovered at the outlet of its overpressure chamber by an air duct 21 which directs it towards the outlet opening 19 of the housing, which is formed as 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.
  • the outlet nozzle shown has a generally rectangular shape with rounded corners, of length about 28mm and width of about 5mm.
  • FIG. 2 there are three main subassemblies of the apparatus, including a central portion constituting the internal structure of the apparatus, 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 locking the two case shells and thus closing the entire device.
  • 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 shell 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 material molded with the front shell 25 and has the role of promote air intake, while providing protection for the internal parts of the unit. In order to allow a good flow of air through the orifices 31 and to reduce the pressure drops when the air passes through the orifices 31, 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 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 squirrel cage or vane bent forward in the direction of rotation, according to the arrow of Figure 3b.
  • the fan 17 comprises a wheel 34 surrounded by a volute 35 (FIG. 3b) in the form of a snail.
  • the fan 17 of the invention In order to be suitable for operation with a depilatory device, the fan 17 of the invention must meet conditions of good aeraulic performance (flow, air velocity), low noise in operation and compactness of 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 right angles the tangential air flow leaving the volute 35, according to the arrows of FIG.
  • the section of the inlet 39 of the air duct 21 must be large (FIG. 3b).
  • the passage of the air flow must be through a smooth duct, free 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 shell before 25 of the housing 1, two side portions 43 formed in one piece with the frame 16 and a rear portion 44 formed integrally with the rear shell 26 of the housing 1.
  • the front portion 42 of the The volute has a curved shape surrounding the volute 35 about half of its periphery, the front part being fitted at each of its ends with a lateral portion 43 formed in the frame 16.
  • the volute is closed at level of 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 can be seen in Figure 2, the air duct 21 is extended by a flat nozzle 20 whose exit in the form of rectangle with rounded corners 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 has a 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 painter means of the device are thus effective in operation while integrating well with a depilatory device of compact construction.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Surgical Instruments (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Float Valves (AREA)
EP07356101A 2006-08-01 2007-07-30 Enthaarungsgerät mit Luftstrom-Funktion in perfektionierter Bauweise Not-in-force EP1884173B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0607027A FR2904515B1 (fr) 2006-08-01 2006-08-01 Appareil a epiler a flux d'air de construction perfectionnee

Publications (2)

Publication Number Publication Date
EP1884173A1 true EP1884173A1 (de) 2008-02-06
EP1884173B1 EP1884173B1 (de) 2011-12-14

Family

ID=37807848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07356101A Not-in-force EP1884173B1 (de) 2006-08-01 2007-07-30 Enthaarungsgerät mit Luftstrom-Funktion in perfektionierter Bauweise

Country Status (6)

Country Link
EP (1) EP1884173B1 (de)
CN (1) CN101116575B (de)
AT (1) ATE536761T1 (de)
ES (1) ES2378851T3 (de)
FR (1) FR2904515B1 (de)
RU (1) RU2007129436A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108523968B (zh) * 2018-02-26 2020-07-24 河北北方学院附属第一医院 一种皮肤科用病灶刮清器

Citations (4)

* 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
EP0348862A2 (de) * 1988-06-27 1990-01-03 Alexander Levin Hilfsvorrichtung zum Abkühlen der Haut für ein Enthaarungsgerät
US4917678A (en) * 1988-09-01 1990-04-17 Remington Products, Inc. Depilatory device
EP0668734B1 (de) * 1993-09-15 1999-12-08 Seb S.A. Mechanische enthaarungsvorrichtung zum entfernen von körperhaaren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9002770A (nl) * 1990-12-17 1992-07-16 Philips Nv Werkwijze voor het epileren.
DE69631073T2 (de) * 1995-08-28 2004-09-09 Matsushita Electric Works, Ltd., Kadoma Handenthaarungsvorrichtung

Patent Citations (4)

* 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
EP0348862A2 (de) * 1988-06-27 1990-01-03 Alexander Levin Hilfsvorrichtung zum Abkühlen der Haut für ein Enthaarungsgerät
US4917678A (en) * 1988-09-01 1990-04-17 Remington Products, Inc. Depilatory device
EP0668734B1 (de) * 1993-09-15 1999-12-08 Seb S.A. Mechanische enthaarungsvorrichtung zum entfernen von körperhaaren

Also Published As

Publication number Publication date
FR2904515A1 (fr) 2008-02-08
RU2007129436A (ru) 2009-02-10
ATE536761T1 (de) 2011-12-15
CN101116575B (zh) 2011-04-13
CN101116575A (zh) 2008-02-06
ES2378851T3 (es) 2012-04-18
FR2904515B1 (fr) 2008-09-05
EP1884173B1 (de) 2011-12-14

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