EP1884173B1 - Hair-removing device producing a flow of air with improved construction - Google Patents
Hair-removing device producing a flow of air with improved construction Download PDFInfo
- Publication number
- EP1884173B1 EP1884173B1 EP07356101A EP07356101A EP1884173B1 EP 1884173 B1 EP1884173 B1 EP 1884173B1 EP 07356101 A EP07356101 A EP 07356101A EP 07356101 A EP07356101 A EP 07356101A EP 1884173 B1 EP1884173 B1 EP 1884173B1
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- EP
- European Patent Office
- Prior art keywords
- epilator
- roller
- skin
- volute
- air
- 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
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Classifications
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- 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
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- 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 tear-off forceps 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 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 the latter, 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 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.
- 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 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 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 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 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 formed integrally 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 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 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 painter means of the device are thus effective in operation while integrating well with a depilatory device of compact construction.
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Abstract
Description
La présente invention est relative à un appareil à épiler du type comportant des pinces destinées à arracher les poils superflus, non désirés, du corps humain, et elle concerne plus particulièrement un tel appareil équipé de moyens pour réduire la douleur provoquée par l'arrachage des poils.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.
Ce type d'appareil comporte généralement des pinces sous forme de lames ou de disques disposés sur un rouleau rotatif ou oscillant, agencé dans la partie supérieure d'un boîtier formant moyen de préhension, le rouleau étant entraîné en mouvement par un moteur électrique agencé dans le même boîtier. Les pinces sont amenées à se fermer et s'ouvrir périodiquement de manière à saisir les poils à proximité de la peau, les arracher, puis les évacuer, lors du mouvement du rouleau. L'épilation par arrachage des poils s'avère une méthode très efficace contre leur repousse, mais elle s'avère parfois assez douloureuse. Cette douleur est due aux tractions répétées exercées sur les poils, ou aux lésions ou irritations des follicules pileux provoquées par l'arrachage des poils.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.
Afin de pallier à ces inconvénients, certains épilateurs ont été équipés de dispositifs de stimulation vibratoire de la peau. De tels dispositifs ont été proposés dans les documents tel
Une solution intéressante a été proposée dans le document
Le but de la présente invention est de remédier aux inconvénients précités et de proposer un appareil à épiler à pinces d'arrachage comportant des moyens antidouleur destinés à insensibiliser la zone de peau à épiler de manière efficace durant l'opération d'épilation, sans limitation en autonomie.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.
Un autre but de l'invention est de fournir un appareil à épiler comportant des moyens antidouleur aptes à fournir un flux d'air puissant, tout en étant peu bruyant, pouvant être obtenu avec des moyens simples, fiables et économiques.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.
Un autre but de l'invention est de proposer un appareil à épiler de construction compacte, de faibles dimensions, ergonomique, tout en intégrant des moyens produisant un flux d'air de fonctionnement efficace et fiable dans le temps.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.
Ces buts sont atteints avec un appareil à épiler comportant un boîtier destiné à être tenu à la main, comprenant des moyens d'épilation par arrachage des poils sur la peau et des moyens d'entraînement des moyens d'épilation, ainsi qu'un ventilateur entraîné par un moteur électrique pour créer un flux d'air entre une ouverture d'entrée du boîtier et une ouverture de sortie du boîtier orientée vers la peau, du fait que ledit ventilateur comporte une volute formée au moins en partie en l'une des faces internes des parois du boîtier.These objects are achieved with 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.
L'appareil à épiler comporte, à l'intérieur d'un boîtier tenu à la main, des moyens d'épilation entraînés par un moteur électrique pour actionner au moins une pince d'arrachage en un mouvement cyclique de fermeture, de déplacement relatif par rapport à la peau en vue de l'arrachage des poils se trouvant à l'intérieur de la pince fermée, ainsi que d'ouverture pour recommencer un nouveau cycle d'épilation. Le boîtier de l'appareil contient également un ventilateur mis en mouvement par un moteur électrique (qui peut être celui d'entraînement des moyens d'épilation ou un moteur différent), ce ventilateur étant prévu pour créer un flux d'air entre une entrée d'air dans le boîtier et une sortie d'air du boîtier.The epilator comprises, within a hand-held housing, depilatory means driven by an electric motor for actuating at least one tear-off forceps 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.
Selon l'invention, le ventilateur est du type centrifuge comportant une volute formée au moins en partie en l'une des parois internes du boîtier. Une telle volute est une enveloppe qui entoure la roue du ventilateur, elle a une forme d'escargot, voire de spirale logarithmique, et permet d'augmenter progressivement, à partir de son bec, le débit du ventilateur centrifuge et d'améliorer ainsi le rendement de celui-ci. Ainsi, cette volute s'étendant radialement de manière croissante sur la périphérie de la roue du ventilateur, dans le sens de rotation de ce dernier, occupe un espace important autour du ventilateur. Selon l'invention, la volute est soit en partie matérialisée par les parois du boîtier, en étant réalisée en une seule pièce, par exemple par moulage avec la coque du boîtier, soit en partie assemblée avec la coque du boîtier, par exemple par collage, de manière à ce qu'il ne réside pas d'espace libre entre la volute et la paroi interne du boîtier. Cette réalisation permet déjà une construction simplifiée, en réduisant le nombre des pièces à assembler, mais surtout elle permet de rendre l'appareil très compact, en optimisant son volume interne.According to the invention, the fan is of the centrifugal type comprising a volute formed at least partly in one of the internal walls of the housing. 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. Thus, 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. According to the invention, 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. This achievement already allows a simplified construction, reducing the number of parts to assemble, but above all it makes the device very compact, optimizing its internal volume.
De préférence, ledit boîtier comporte une coque avant et une coque arrière renfermant un châssis et la volute est en trois parties : une première formée en la face interne de la coque avant, une deuxième dans les parois du châssis et une troisième en la face interne de la coque arrière.Preferably, 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.
L'appareil à épiler est donc formé par l'assemblage de trois parties principales : un châssis formant structure interne et supportant ses composants et deux coques de boîtier, avant et arrière renfermant ces composants et formant moyen de préhension. En scindant la volute en trois parties, chaque partie étant formée avec l'une des trois parties de l'appareil, on arrive à assembler la volute en une même opération que celle d'assemblage de l'appareil, par exemple par simple encliquetage, ce qui permet de faciliter l'assemblage et de réduire les coûts de manoeuvre de l'appareil.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. By splitting the volute into three parts, each part being formed with one of the three parts of the apparatus, it is possible to assemble the volute in the same operation as that of assembly of the apparatus, for example by simple snapping, this facilitates assembly and reduces the cost of operating the device.
Avantageusement, ledit ventilateur est un ventilateur centrifuge à cage d'écureuil.Advantageously, said fan is a centrifugal fan squirrel cage.
Un ventilateur centrifuge dit à cage d'écureuil ou à action directe est un ventilateur centrifuge à pales couchées vers l'avant dans le sens de la rotation. Ce type de ventilateur, fonctionnant à faible pression, fournit un débit et une pression totale élevés, pour une faible puissance consommée.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.
La sensation de fraîcheur obtenue avec un flux d'air soufflé vers la peau est déterminée principalement par deux paramètres : le débit et la vitesse du flux d'air, ces paramètres variant en sens inverse et étant reliés par la section de sortie. Ainsi, il a été constaté, lors des test effectués en laboratoire, que pour une section de la buse de sortie déterminée pour l'appareil de l'invention, un ventilateur centrifuge est apte à fournir un débit d'air compris entre 2 et 4 m3/h et une vitesse comprise entre 10m/s et 30 m/s.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. Thus, it has been found, during tests carried out in the laboratory, that for a section of the outlet nozzle determined for the apparatus of the invention, 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.
De préférence, les moyens d'épilation comprennent un rouleau d'épilation tournant autour d'un axe agencé parallèlement à la peau et le ventilateur est monté directement sur l'arbre de sortie du moteur d'entraînement du rouleau d'épilation.Preferably, 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.
D'autres moyens d'épilation à pinces d'arrachage auraient pu être envisagés, notamment sous forme d'une tête d'épilation portant des pinces entraînées en translation, ou de tête d'épilation comportant des pinces disposées sur la face frontale d'un disque rotatif, ou portées par une chaîne, etc. On préfère un rouleau rotatif, car il est apte à traiter des surfaces importantes de peau, tout en étant de construction très compacte. Lors de son déplacement sur la peau, le rouleau tourne autour d'un axe parallèle à celle-ci, les pinces étant disposées le long de sa génératrice.Other means of hair removal with tear-off pliers could have been envisaged, in particular in the form of an epilation head carrying tongs driven in translation, or an epilation head comprising tongs arranged on the front face of a rotating disk, or carried by a chain, etc. A roll is preferred rotary, because it is able to treat important surfaces of skin, while being of very compact construction. During its movement on the skin, the roller rotates about an axis parallel thereto, the clamps being arranged along its generator.
Pour simplifier la construction de l'appareil, on utilise avantageusement pour l'entraînement du ventilateur le même moteur que celui utilisé pour entraîner le rouleau d'épilation. Il est alors préférable que le ventilateur soit directement entraîné en rotation par le moteur afin qu'il puisse tourner à grande vitesse, notamment à la vitesse de l'arbre moteur, car le débit dépend linéairement de la vitesse. Par ailleurs, on préfère un agencement du ventilateur sous-jacent au rouleau afin de réduire le parcours du flux d'air à l'intérieur du boîtier et donc les pertes aérauliques, tout en obtenant un appareil plus compact.To simplify the construction of the apparatus, it is advantageous to use for 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.
Avantageusement, l'arbre de sortie du moteur est transversal à l'axe de rotation du rouleau d'épilation.Advantageously, the output shaft of the motor is transverse to the axis of rotation of the hair removal roller.
Bien que le moteur puisse être orienté en position horizontale, son arbre de sortie étant parallèle à la peau et supportant le ventilateur, on préfère toutefois un moteur vertical, dont l'arbre de sortie est perpendiculaire à la peau et entraîne le ventilateur. Un tel moteur vertical s'intègre bien dans un boîtier de forme allongée, plus facilement maniable et assurant une meilleure préhension.Although 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. Such a vertical motor fits well into an elongated housing, more easily manageable and ensuring a better grip.
De préférence, ladite ouverture d'entrée d'air est située sur la face avant du boîtier dans le sens de déplacement du rouleau d'épilation sur la peau.Preferably, 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.
Ceci permet à l'air d'être directement aspiré par le ventilateur sous-jacent au rouleau, par une ouverture placée dans un endroit qui n'est jamais occulté par la main de l'utilisatrice lors de l'épilation.This allows the air to be directly sucked by the underlying fan to the roller, through an opening placed in a place that is never obscured by the hand of the user during hair removal.
Avantageusement, une chambre d'aspiration de hauteur au moins égale à celle de la volute est agencée en dessous du rouleau d'épilation.Advantageously, a suction chamber of height at least equal to that of the volute is arranged below the hair removal roller.
Il a été constaté, lors des tests effectués en laboratoire, qu'une telle chambre d'aspiration assure un bon compromis entre le volume d'air fourni au ventilateur, (un volume d'air important étant nécessaire au bon fonctionnement du ventilateur) et une construction compacte de l'appareil.It has been observed during laboratory tests that such a suction chamber provides a good compromise between the volume of air supplied to the ventilator (a large volume of air being necessary for the proper functioning of the ventilator) and a compact construction of the device.
De préférence, l'appareil comporte un conduit aéraulique qui relie de manière étanche la sortie de la volute à une buse plate de sortie agencée parallèlement au rouleau d'épilation, proche de ce dernier.Preferably, 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.
Ainsi, le flux d'air sortant de la volute du ventilateur est directement récupéré par un conduit aéraulique qui l'oriente en direction de la peau, sans pertes, tout en forçant le flux d'air à sortir par une buse plate. On obtient ainsi un flux d'air sortant accéléré et concentré sous forme de lame d'air que l'on peut alors diriger vers la zone de peau à traiter. Cette lame d'air se déplace avec l'appareil assurant ainsi un balayage continu de la peau et un effet d'apaisement lors de l'arrachage.Thus, 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 produces an accelerated and concentrated airflow in the form of an air knife which can then be directed towards the skin area to be treated. This blade of air moves with the device ensuring a continuous scan of the skin and a soothing effect during tearing.
Avantageusement, la buse de sortie est agencée derrière le rouleau d'épilation, dans le sens de déplacement de ce dernier sur la peau.Advantageously, the outlet nozzle is arranged behind the epilating roller, in the direction of movement of the latter on the skin.
Cet agencement s'est révélé le plus efficace contre la douleur, car le flux d'air insensibilise la peau immédiatement après l'arrachage, créant une sensation d'apaisement.This arrangement was found to be the most effective against pain because the airflow makes the skin feel numb immediately after pulling out, creating a soothing sensation.
De préférence, la sortie de la volute est raccordée au conduit aéraulique par un rayon égal ou supérieur à 5 mm.Preferably, the outlet of the volute is connected to the air duct with a radius equal to or greater than 5 mm.
Le conduit aéraulique est branché tangentiellement sur la sortie de la volute, et il présente ensuite un coude à angle droit pour relier sa sortie d'air à la buse placée à côté du rouleau d'épilation. Afin de réduire autant que possible les pertes de charge dans cette configuration, le rayon de raccordement entre la volute et le conduit doit être le plus important possible, de préférence supérieur à 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. In order to reduce as much as possible the pressure losses in this configuration, the radius of connection between the volute and the duct must be as large as possible, preferably greater than 5 mm.
Avantageusement, le rouleau d'épilation est supporté par une partie formant tête du boîtier montée pivotante par rapport à une deuxième partie formant poignée de préhension.Advantageously, the hair removal roller is supported by a head portion of the casing pivotally mounted relative to a second handle portion.
Ceci permet à la tête d'épilation de mieux s'adapter au contour de la peau, la buse de sortie d'air pouvant soit être solidaire du boîtier soit de la tête et dans ce cas, elle sera raccordée au boîtier par un soufflet souple.This allows the epilation head to better adapt to the contour of the skin, 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 .
De préférence, le rouleau d'épilation est monté amovible par rapport au boîtier.Preferably, the hair removal roller is removably mounted relative to the housing.
Ceci permet son démontage en vue du nettoyage ou du remplacement par un autre rouleau comportant un nombre différent de pinces, voire par un accessoire d'épilation. Un tel accessoire d'épilation peut être un dispositif de gommage de la peau, une tête de tondeuse pour raccourcir les poils avant l'arrachage ou une tête de rasage.This allows disassembly for cleaning or replacement with another roller having a different number of clamps, or by a hair removal accessory. Such an epilation accessory can be a skin scrubbing device, a trimmer head to shorten the hair before tearing or a shaving head.
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 d'un appareil à épiler selon l'invention; - la
figure 2 est une vue similaire à celle de lafigure 1 , l'appareil étant positionné verticalement et son boîtier éclaté; - la
figure 3a est une vue avant de l'appareil de lafigure 1 et lafigure 3b est une vue en coupe selon le plan A-A de lafigure 3a .
- the
figure 1 is a perspective view of a depilatory device according to the invention; - the
figure 2 is a view similar to that of thefigure 1 , the device being positioned vertically and its case exploded; - the
figure 3a is a front view of the camera thefigure 1 and thefigure 3b is a sectional view according to the plane AA of thefigure 3a .
L'appareil à épiler représenté à la
Tel que mieux visible à la
La tête à épiler 2 est montée de manière amovible par rapport au boîtier 1 et à la roue de transmission 14 de ce dernier. Plus particulièrement, un support 15 est réalisé sur la partie supérieure du boîtier 1 et est destiné à recevoir de manière amovible la tête à épiler 2. Pour ceci, la tête à épiler 2 et le support 15 sont munis de moyens de verrouillage à l'aide desquels ils sont fixés l'un à l'autre et sont ensuite désolidarisés l'un par rapport à l'autre. Ainsi, la tête à épiler peut être munie de tenons venant automatiquement en prise avec des languettes de verrouillage du boîtier. Un bouton de déverrouillage 4 est prévu sur un côté du boîtier 1 à l'aide duquel les tenons de la tête à épiler sont libérés et cette dernière peut être retirée du boîtier 1. Avantageusement, le support 15 est monté articulé par rapport au boîtier 1, le support 15 étant amené à pivoter, sous la force d'un ressort de rappel, autour d'un axe de pivotement horizontal, parallèle à l'axe longitudinal du rouleau rotatif 3, lors du déplacement de l'appareil sur la peau. L'axe de pivotement du support 15 est matérialisé par une tige portée par la partie supérieure du châssis 16.The
La tête à épiler 2 comporte deux caches latéraux 6,7 venant couvrir le rouleau d'épilation 3. Le rouleau d'épilation 3 comprend plusieurs modules d'arrachage portés par une cage périphérique concentrique à l'axe longitudinal du rouleau et entraînée en rotation par un pignon d'entraînement recevant le mouvement du moteur électrique d'entraînement 10, via le train d'engrenages 11 et la roue de transmission 14. Un module d'arrachage comprend plusieurs pinces d'arrachage, chaque pince étant formée d'une lame mobile 8 et d'une lame fixe 9 adjacente. La base d'une lame mobile 8 suit la rainure d'une came interne et s'applique et s'éloigne successivement d'une lame fixe 9 adjacente lors de son entraînement en rotation autour de l'axe longitudinal du rouleau d'épilation 3. Les pinces des modules d'arrachage sont décalées angulairement sur la périphérie du cylindre rotatif 3. En fonctionnement, lorsque le moteur électrique 10 est alimenté, il met en rotation le rouleau d'épilation 3 dont les pinces se ferment et s'ouvrent successivement et arrachent les poils de la zone à épiler qui se présentent devant la tête à épiler. Un tel cylindre rotatif est mieux décrit dans la demande de brevet
L'appareil de l'invention comporte des moyens antidouleur comprenant un ventilateur 17 (
En référence à la
L'ouverture d'entrée d'air 18 est sous-jacente au rouleau d'épilation en étant plus particulièrement réalisée sous forme d'une fenêtre rectangulaire sur la face frontale de la coque avant 25. L'ouverture d'entrée d'air 18 comprend une grille 30 comportant plusieurs orifices 31 et formant l'ouverture d'entrée d'air à l'intérieur du boîtier 1. La grille 30 est de préférence réalisée en une matière plastique moulée avec la coque avant 25 et a pour rôle de favoriser l'entrée d'air, tout en offrant une protection des pièces internes de l'appareil. Afin de permettre un bon écoulement d'air à travers les orifices 31 et de diminuer les pertes de charge au passage de l'air à travers les orifices 31, toutes les arêtes de la grille à l'entrée des orifices 31 sont arrondies, en étant réalisées avec un rayon de raccordement. Pour assurer un bon rendement du ventilateur, la zone d'entrée d'air doit présenter une assez grande surface. Dans l'exemple représenté aux figures, la grille a une surface d'environ 5,5 cm2, les orifices ayant un diamètre moyen de 1.5 mm et un pas moyen de 2 mm, ce qui assure un bon compromis entre la transparence aéraulique et la transparence visuelle de la grille.The
Tel qu'illustré par les flèches de la
Le ventilateur 17 est du type centrifuge à cage d'écureuil ou à aubes recourbées vers l'avant dans le sens de la rotation, selon la flèche de la
La sortie 38 de la volute 35 débouche à l'entrée 39 du conduit aéraulique 21 (
Selon l'invention et tel que mieux visible à la
Afin de réduire davantage l'encombrement de l'appareil de l'invention, le conduit aéraulique 21 est formé entre la coque arrière 26 du boîtier 1 et une paroi arrière 45 du châssis 16. Tel que visible à la
En fonctionnement, on met en marche l'appareil en actionnant le bouton de commande 5. Plus particulièrement, on alimente le moteur électrique 10 qui fait tourner le rouleau d'épilation 3 et, simultanément le ventilateur 17. Lorsque le ventilateur 17 est mis en rotation, il crée un flux d'air entre une entrée d'air 18 et une sortie d'air 19 de l'appareil. Tel que mieux visible à la
L'appareil de l'invention permet de produire un flux d'air concentré, en forme de lame ou rideau d'air, orienté en direction de la peau et ayant un bon débit, d'environ 3m3/h et une bonne vitesse, d'environ 20m/s produisant une sensation de froid et donc d'apaisement lors de l'arrachage. La forme imprimée au flux d'air permet d'obtenir un appareil ayant une excellente ergonomie en utilisation tout en soufflant un flux d'air puissant, car les pertes de charge sont fortement réduites de par la construction de son circuit aéraulique et le choix de ses paramètres de fonctionnement. Les moyens antidouleur de l'appareil sont ainsi efficaces en fonctionnement tout en s'intégrant bien à un appareil à épiler de construction compacte.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.
D'autres variantes et modes de réalisation de l'invention peuvent être réalisés sans sortir du cadre de ses revendications.Other variants and embodiments of the invention can be realized without departing from the scope of his claims.
Ainsi, on peut envisager l'utilisation d'un autre type de ventilateur associé à une buse plate apte à concentrer le flux d'air et le diriger vers la peau.Thus, one can consider the use of another type of fan associated with a flat nozzle capable of concentrating the flow of air and directing it towards the skin.
On pourrait également utiliser un moteur séparé pour l'actionnement du ventilateur selon ses propres paramètres de fonctionnement, voire un module soufflant amovible à alimentation propre venant se fixer sur le corps de l'appareil.It would also be possible to use a separate motor for actuating the fan according to its own operating parameters, or even a self-powered removable blower module that attaches to the body of the apparatus.
Claims (12)
- An epilator comprising a casing (1) designed to be hand-held and comprising means of epilation for plucking hair from the skin and means for driving the means of epilation, as well as a blower (17) driven by an electric motor (10) to create an air flow between an inlet opening (18) of the casing and an outlet opening (19) of the casing directed towards the skin, said epilator being characterised in that said blower (17) comprises a volute (35) formed at least partially by one of the inner faces of the walls of the casing (1).
- An epilator according to claim 1, characterised in that said casing comprises a front shell (25) and a rear shell (26) enclosing a frame (16) and that the volute has three parts: the first formed by the inner face of the front shell (25), the second by the walls of the frame (16) and the third by the inner face of the rear shell (26).
- An epilator according to claim 1, characterised in that said blower (17) is a squirrel cage centrifugal blower.
- An epilator according to one of the preceding claims, characterised in that the means of epilation comprises an epilator roller (3) rotating around an axis provided parallel to the skin and that the blower (17) is mounted directly on the output shaft (12) of the motor driving the epilator roller (3).
- An epilator according to claim 4, characterised in that the output shaft (12) of the motor (10) is transversal to the axis of rotation of the epilator roller (3).
- An epilator according to one of claims 4 or 5, characterised in that said air inlet opening (18) is located on the front face of the casing (1) in the direction of displacement of the epilator roller (3) on the skin.
- An epilator according to one of claims 4 to 6, characterised in that a suction chamber (32) with a height at least equal to that of the volute (35) is provided bellow the epilator roller (3).
- An epilator according to one of claims 4 to 7, characterised in that it comprises an air duct (21) which connects the outlet of the volute (35) in a sealed manner with a flat outlet nozzle (20) arranged parallel to the epilator roller (3), close to the latter.
- An epilator according to claim 8, characterised in that the outlet nozzle (20) is arranged behind the epilator roller (3), in the direction of displacement of the latter on the skin.
- An epilator according to one of claims 8 or 9, characterised in that the outlet of the volute (35) is connected to the air duct (21) by a radius more than or equal to 5 mm.
- An epilator according to one of the preceding claims, characterised in that the epilator roller (3) is supported by a section forming the head of the casing pivotally mounted in relation to a second section forming the grip handle.
- An epilator according to one of the preceding claims, characterised in that the epilator roller (3) is removably mounted in relation to the casing (1).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0607027A FR2904515B1 (en) | 2006-08-01 | 2006-08-01 | IMPROVED CONSTRUCTION AIRFLOW WATER WEIGHING APPARATUS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1884173A1 EP1884173A1 (en) | 2008-02-06 |
EP1884173B1 true EP1884173B1 (en) | 2011-12-14 |
Family
ID=37807848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07356101A Not-in-force EP1884173B1 (en) | 2006-08-01 | 2007-07-30 | Hair-removing device producing a flow of air with improved construction |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1884173B1 (en) |
CN (1) | CN101116575B (en) |
AT (1) | ATE536761T1 (en) |
ES (1) | ES2378851T3 (en) |
FR (1) | FR2904515B1 (en) |
RU (1) | RU2007129436A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108523968B (en) * | 2018-02-26 | 2020-07-24 | 河北北方学院附属第一医院 | Focus scraper for dermatology |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454283A1 (en) * | 1979-04-18 | 1980-11-14 | Lamy Perret Emile | Mechanical depilation appts. for human skin - contains suction fan and helicoidal screw operated by electric motor |
IL86872A0 (en) * | 1988-06-27 | 1988-11-30 | Levin Alexander | Auxilliary device for hairplucking apparatus |
US4917678A (en) * | 1988-09-01 | 1990-04-17 | Remington Products, Inc. | Depilatory device |
NL9002770A (en) * | 1990-12-17 | 1992-07-16 | Philips Nv | METHOD FOR EPILATING. |
FR2709933B1 (en) * | 1993-09-15 | 1996-05-15 | Seb Sa | Mechanical hair removal device by pulling hairs from the skin. |
US5810843A (en) * | 1995-08-28 | 1998-09-22 | Matsushita Electric Works, Ltd | Hand-held depilating device |
-
2006
- 2006-08-01 FR FR0607027A patent/FR2904515B1/en not_active Expired - Fee Related
-
2007
- 2007-07-30 ES ES07356101T patent/ES2378851T3/en active Active
- 2007-07-30 AT AT07356101T patent/ATE536761T1/en active
- 2007-07-30 EP EP07356101A patent/EP1884173B1/en not_active Not-in-force
- 2007-07-31 RU RU2007129436/12A patent/RU2007129436A/en not_active Application Discontinuation
- 2007-08-01 CN CN2007101428721A patent/CN101116575B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101116575B (en) | 2011-04-13 |
CN101116575A (en) | 2008-02-06 |
EP1884173A1 (en) | 2008-02-06 |
ATE536761T1 (en) | 2011-12-15 |
ES2378851T3 (en) | 2012-04-18 |
FR2904515B1 (en) | 2008-09-05 |
FR2904515A1 (en) | 2008-02-08 |
RU2007129436A (en) | 2009-02-10 |
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