EP2061354B1 - Verfahren zur kosmetischen körperhaarentfernung sowie haarentfernungsvorrichtung - Google Patents

Verfahren zur kosmetischen körperhaarentfernung sowie haarentfernungsvorrichtung Download PDF

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Publication number
EP2061354B1
EP2061354B1 EP07801902A EP07801902A EP2061354B1 EP 2061354 B1 EP2061354 B1 EP 2061354B1 EP 07801902 A EP07801902 A EP 07801902A EP 07801902 A EP07801902 A EP 07801902A EP 2061354 B1 EP2061354 B1 EP 2061354B1
Authority
EP
European Patent Office
Prior art keywords
hair
gripping elements
movement
stroke
skin
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
EP07801902A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2061354A1 (de
Inventor
Frieder Grieshaber
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.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of EP2061354A1 publication Critical patent/EP2061354A1/de
Application granted granted Critical
Publication of EP2061354B1 publication Critical patent/EP2061354B1/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/26—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the type performing different methods of operation simultaneously, e.g. reciprocating and oscillating; of the type having two or more heads of differing mode of operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • 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
    • 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
    • A45D26/0066—Tweezers
    • A45D26/0071—Tweezers the hair being extracted automatically, i.e. without manual traction by the user
    • A45D26/0076—Tweezers the hair being extracted automatically, i.e. without manual traction by the user power-driven

Definitions

  • the present invention relates to a method for cosmetic body hair removal and a hair removal device.
  • epilators are used for permanent hair removal, which try to tear out the hair with the root for the longest possible reduction of the body hair density.
  • the proportion of root removed during epilation depends strongly on the plucking speed and in particular on the plucking direction.
  • epilators have rotary epilating rollers on the circumference of which tweezer-like clamping elements are initially opened to capture the body hair and then brought into their clamping position so that the hairs clamped by the clamping elements are plucked out by the rotational movement of the depilation roller.
  • Such epilator shows, for example, the DE 10 2004 047 875 A1 , which proposes a three-dimensional rib-shaped clamping structure for the tweezer-like clamping tools, in order to be able to clamp the hairs to be dispensed harder, nevertheless nonetheless gently.
  • the Auszupfraum is not perpendicular, but inclined at an acute angle to the skin surface. In this case, instead of the desired tearing with a high proportion of roots, the hair may simply be torn off.
  • the cyclic divergence and collapse of the tweezer-like clamping tools is mechanically complicated to realize, since in addition to the rotational movement of the epilating also the adjusting movement of the clamping elements is to be generated.
  • the hair to be removed and / or a respective plucking tool is subjected to ultrasound, while plucking the respective hair with the plucking tool becomes.
  • the Ultraschallbeetzung should make the plucking of the hair less painful, but iedoch requires a corresponding ultrasound generator on Epilierchel.
  • the pamphlets US 5133722 and WO 01/13157 also describe two further methods for cosmetic body hair removal and two more. Hair removal devices.
  • a simply constructed device is to be created, which allows effective vertical hair removal with the lowest possible sensation of pain by acting as perpendicular to the skin surface train on the hair to be removed.
  • the hairs grasped by the gripping elements are pulled out of the skin in a plurality of strokes, between which the gripping elements are moved apart and moved closer to the skin for follow-up and are brought together again.
  • the catching takes place so fast that the already a little bit pulled hair can move back only slightly due to its viscoelastic anchoring of the hair root and has not reached its initial position in any case.
  • the follow-up is repeated so quickly that the hair can not move back into its starting position fast enough, but is pulled out successively.
  • the sensation of pain can be significantly reduced, also can be increased when removing the extracted root component.
  • even very short hair can be better grasped, since the gripping elements are repeatedly guided to the skin.
  • the drive of the gripping elements is designed such that within a cycle of movement, the lifting height of the closed gripping elements is smaller than the movement distance necessary for complete picking a hair. The lifting height of the drive is thus limited that the gripping elements are opened again before a hair detected by it is completely plucked out.
  • the hair removal process according to the invention is also intended to cover the process of hair removal.
  • the hair is pulled out of the skin in at least two consecutive microcubes without picking the hair and then the hair is separated, in particular by cutting off or cutting off, so that a proportion of hair roots is not torn, but the hair by letting go through the gripping elements retracts back into the hair channel, advantageously such that the remaining hair residue no longer protrudes beyond the skin surface.
  • the gripping elements are extended and retracted substantially perpendicular to a frontal working surface of the device with which the device can be guided on or over the skin surface.
  • an extremely small plucking angle can be achieved with respect to the longitudinal direction of the hair root, as a result of which a higher root share than in the case of conventional depilation systems with an epilating roller can be removed.
  • the lifting movement of the gripping elements need not necessarily take place in a translatory oscillatory movement along an axis perpendicular to the aforementioned fictitious working surface.
  • the lifting movement of the gripping elements takes place at an angle between 30 ° and 150 °, in particular between 60 ° and 120 °, preferably 75 ° to 105 °, to the skin surface or the frontal working surface of the device with which the device which is feasible or over the skin surface.
  • this angular range is preferably plucked in hair growth direction.
  • the entire stroke movement does not have to take place in this angular range, in particular when the lifting movement does not take place purely translationally along an oscillation axis.
  • carried the essential part of the stroke movement in particular at least 2/3 of the lifting height, in the above-mentioned angle range.
  • the Plucking be integrated into a roller, wherein the plucking unit tugs vertically, but the roller is rotatably mounted, so that in a hair growth direction deviating from the perpendicular to the skin surface in hair growth direction - plucked by the superimposed movement of roller and plucking unit.
  • the gripping elements are driven in a further development of the invention with a stroke frequency of more than 500 Hz. Further preferred is a drive frequency of the gripping elements of more than 1 kHz.
  • the opening and closing movement of the gripping elements takes place in the plane of the lifting movement of the gripping elements. This makes it sufficient to support the gripping elements biaxially movable and / or form the drive biaxial. A spatial movement or a third axis of motion is not required, even if this would be possible in principle.
  • the lifting movement of the gripping elements can take place substantially in the form of a flattened ellipse whose longitudinal axis is advantageously at least twice as long as the transverse axis of the elliptical trajectory. It is understood that in this case not exactly an elliptical trajectory in the mathematical sense must be described, but also oval or similarly flattened trajectories can be provided, which may also have a small spatial component, i. perpendicular to the plane of the ellipse.
  • the drive is designed such that the two gripping elements of each cooperating pair of gripping elements are driven on opposite, in the aforementioned sense substantially elliptical trajectories.
  • the movement component parallel to the longitudinal axis of the elliptical trajectories causes the lifting movement, while the movement component causes the gripping movement of the gripping elements toward one another parallel to the transverse axes of the ellipse. It is understood that in this case the resulting trajectory of each gripping element is not really elliptical, at least in the sections where the two Gripping elements are pressed on each other.
  • a co-movement path for these two gripping elements can be provided in principle, in which case advantageously the movement centers of the two movement paths are sufficiently far apart, so that the gripping elements a gripping movement towards each other and run away from each other.
  • the drive for the gripping elements may be piezoelectric.
  • piezoelectric actuators can be provided by which the gripping elements can be driven in accordance with high frequency.
  • linear motors or other high-frequency positioning systems are also suitable as actuators.
  • two actuators per "ellipse" can be used.
  • the gripping elements can be fastened to preferably plate-shaped carriers, which are mutually independently movable at least biaxially.
  • several gripping elements of different pairs of gripping elements can be attached to each carrier.
  • the respective left gripping elements can be fastened to the one carrier, while the respectively right gripper elements of a gripping element pair are fastened to the respectively second carrier.
  • the preferably plate-shaped carrier for the gripping elements can itself be mounted biaxially movable.
  • the carriers can also be elastically flexible such that the gripping and lifting movements of the gripping elements are produced by elastic deformation of the carrier.
  • the elastic supports can be deformed in undulating form by piezoelectric actuators, as a result of which the gripping elements fastened thereto are moved toward one another or away from one another and on the other hand in the direction of lifting movement.
  • depilating device 1 shown schematically comprises a - cubic - hand part 2, in which a controller, an electricity supply part, for example in the form of a battery and a drive can be accommodated, and a working head 3 in the form of connectable to the handpiece 2 attachment part 4, on the a plurality of gripping elements 5 to be described in more detail are provided.
  • FIG. 3 illustrates the working head 3 with its end face 6 a fictitious working plane or surface 7, with which the epilator 1 and its gripping elements 5 is guided on or over the skin surface 8 of the body member 9 to be processed.
  • FIGS. 1 and 2 show a plurality of gripping elements 5 are attached to two plate-shaped supports 10 and 11, in each case in pairs associated with each other, so that the one gripping element of a gripper pair on the carrier 10 and the other gripping element of this gripper pair is attached to the other carrier 11.
  • the gripping elements 5 are each about tweezer-like, advantageously because of the inertia and for a high integration density as thin as possible, for example in the form of roughly speaking plate-shaped metal bodies.
  • the mutually facing clamping surfaces 12 of the gripping elements 5 are advantageously formed sharp-edged or possibly even rough designed to exercise a sufficiently high plucking force on the hair can.
  • the clamping surfaces 12 projecting, preferably sharply formed clamping edges 13 have.
  • the projecting ends of said gripping elements 5 are the aforementioned frontal working surface 7 (FIG. FIG. 3 ).
  • the drive 14 for moving the gripping elements 5 comprises in the illustrated embodiment piezoactuators 15, which operate in two dimensions and are coupled to the plate-shaped carriers 10 and 11.
  • the carriers 10 and 11 are mounted two-dimensionally movable, in the direction of in FIG. 2 drawn x-axis and z-axis, that is perpendicular to the aforementioned fictitious working surface 7 of the epilator 1 and perpendicular to the defined by two mutually pressed gripping elements 5 clamping plane 16, by the in FIG. 2 defined z and y axes is defined.
  • these can also be designed to be elastically deformable, for example formed by sufficiently thin metal plates, so that the carriers 10 and 11 can be deformed wave-shaped by the piezoactuators 15 in order to be described in greater detail To generate drive movements of the gripping elements 5.
  • the two carriers 10 and 11 and thus the attached gripping elements 5 are driven in opposite directions along substantially elliptical or oval trajectories 17 whose longitudinal axis 18 substantially perpendicular to the aforementioned working surface 7 of the epilating and the transverse axis of the 19th is substantially parallel to the said work surface 7 and perpendicular to the clamping plane 16 of the gripping elements 5 extends.
  • the gripping elements 5 successively go through in FIG. 1 Stations of a movement cycle shown: First, the gripping elements 5 are moved apart, as shown in the representation a) in FIG. 1 shows. Then, a lowering movement to the skin surface 8, the gripping elements 5 are thus extended substantially substantially perpendicular to the aforementioned working surface 7 of the epilator 1, at the end of this lowering movement, the gripping elements 5 are moved together, thereby seizing a plucked hair 20 and between to pinch, cf. FIG.
  • a lifting movement is carried out in the opposite direction of the aforementioned lowering movement, advantageously substantially perpendicular to the skin surface 8 and the notional working surface 7 of the depilation apparatus 1, ie the gripping elements 5 are withdrawn into the interior of the depilation apparatus 1.
  • the lifting movement is limited so that the gripped hair 20 is not completely pulled out, but only a micro drawing takes place.
  • the gripping elements 5 are moved apart again, as shown in d) in FIG. 1 shows, with which a cycle of movement of the gripping elements 5 would be completed.
  • the operating frequency of the drive 14 is, however, so high that the renewed lowering and closing, the representation e) in FIG.
  • FIG. 1 f illustrates, after closing a new micro-stroke by the gripping elements 5, whereby the gripped hair 20 is pulled a piece further. These micro-strokes are repeated until the hair is completely pulled out.
  • the hair 20 to be removed is therefore pulled out successively in several strokes, the gripping elements 5 being opened between the strokes, driven back onto the skin and closed again in order to follow the hair further down.
  • the hair 20 does not have to be completely plucked out. It is also possible, after a certain picking distance, i. after a certain number of micro strokes to turn off the lowering of the gripping elements 5 in order to clip off the hair 20 by the high-frequency opening and closing movement of the gripping elements 5 or by an intensified movement of the gripping elements 5. As a result, the hair is not grasped again, but pulled back by relaxing the hair root tissue. With a sufficiently large plucking path the hair end disappears under the skin surface.
  • the hair removal device is a combination of epilator and razor.
  • the slightly pulled out hair as described above
  • the slightly pulled out hair is then snapped off or cut off / cut off by a separate cutting element or a blade or a long-hair trimmer. This then moves the remaining hair residue with the hair root back into the skin and is ideally neither visible nor noticeable.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Surgical Instruments (AREA)
  • Dry Shavers And Clippers (AREA)
  • Manipulator (AREA)
EP07801902A 2006-09-14 2007-08-25 Verfahren zur kosmetischen körperhaarentfernung sowie haarentfernungsvorrichtung Not-in-force EP2061354B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610043307 DE102006043307A1 (de) 2006-09-14 2006-09-14 Verfahren zur kosmetischen Körperhaarentfernung sowie Haarentfernungsvorrichtung
PCT/EP2007/007477 WO2008031495A1 (de) 2006-09-14 2007-08-25 Verfahren zur kosmetischen körperhaarentfernung sowie haarentfernungsvorrichtung

Publications (2)

Publication Number Publication Date
EP2061354A1 EP2061354A1 (de) 2009-05-27
EP2061354B1 true EP2061354B1 (de) 2012-09-26

Family

ID=38894709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07801902A Not-in-force EP2061354B1 (de) 2006-09-14 2007-08-25 Verfahren zur kosmetischen körperhaarentfernung sowie haarentfernungsvorrichtung

Country Status (7)

Country Link
EP (1) EP2061354B1 (ru)
JP (1) JP5329413B2 (ru)
CN (1) CN101516230B (ru)
DE (1) DE102006043307A1 (ru)
ES (1) ES2396253T3 (ru)
RU (1) RU2422068C2 (ru)
WO (1) WO2008031495A1 (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2328436A2 (en) * 2008-06-09 2011-06-08 Applisonix Ltd Device for applying high-frequency vibrations to hair for removing same
WO2010023667A2 (en) 2008-08-29 2010-03-04 Applisonix Ltd. Hair removal device
EP3663057A1 (en) 2018-12-05 2020-06-10 Koninklijke Philips N.V. Cutter assembly for a hair cutting appliance

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111386B1 (en) * 1982-10-26 1987-11-19 University Of Aberdeen Ultrasound hyperthermia unit
US4556070A (en) * 1983-10-31 1985-12-03 Varian Associates, Inc. Hyperthermia applicator for treatment with microwave energy and ultrasonic wave energy
US5133722A (en) * 1990-07-23 1992-07-28 Elecsys Ltd Method and device for plucking hair
JP2627486B2 (ja) * 1994-05-06 1997-07-09 株式会社ジャパンフィットネス 脱毛装置
US6123713A (en) * 1998-07-09 2000-09-26 K.I.S. Ltd Hair removal device with vibrating assembly
IL126505A0 (en) * 1998-10-09 1999-08-17 Ultra Cure Ltd A method and device for hair removal
US6200326B1 (en) * 1999-04-28 2001-03-13 Krishna Narayanan Method and apparatus for hair removal using ultrasonic energy
IL131536A0 (en) * 1999-08-23 2001-01-28 Ultra Cure Ltd Method and apparatus for hair removal
WO2002009813A1 (en) * 2000-07-31 2002-02-07 El. En. S.P.A. Method and device for epilation by ultrasound
DE102004047875A1 (de) * 2004-10-01 2006-04-20 Braun Gmbh Klemmeinrichtung für ein Epilationsgerät

Also Published As

Publication number Publication date
JP2010503435A (ja) 2010-02-04
RU2009113810A (ru) 2010-10-20
DE102006043307A1 (de) 2008-03-27
WO2008031495A1 (de) 2008-03-20
CN101516230A (zh) 2009-08-26
EP2061354A1 (de) 2009-05-27
RU2422068C2 (ru) 2011-06-27
JP5329413B2 (ja) 2013-10-30
CN101516230B (zh) 2012-12-05
ES2396253T3 (es) 2013-02-20

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