EP0389007B1 - Appareil pour rasage humide - Google Patents

Appareil pour rasage humide Download PDF

Info

Publication number
EP0389007B1
EP0389007B1 EP90110073A EP90110073A EP0389007B1 EP 0389007 B1 EP0389007 B1 EP 0389007B1 EP 90110073 A EP90110073 A EP 90110073A EP 90110073 A EP90110073 A EP 90110073A EP 0389007 B1 EP0389007 B1 EP 0389007B1
Authority
EP
European Patent Office
Prior art keywords
razor
wire
blade
blade carrier
axis
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.)
Expired - Lifetime
Application number
EP90110073A
Other languages
German (de)
English (en)
Other versions
EP0389007A1 (fr
Inventor
Wolfgang Althaus
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.)
Wilkinson Sword GmbH
Original Assignee
Wilkinson Sword 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 Wilkinson Sword GmbH filed Critical Wilkinson Sword GmbH
Priority to EP90110073A priority Critical patent/EP0389007B1/fr
Priority to AT90110073T priority patent/ATE97847T1/de
Publication of EP0389007A1 publication Critical patent/EP0389007A1/fr
Application granted granted Critical
Publication of EP0389007B1 publication Critical patent/EP0389007B1/fr
Priority to HK124194A priority patent/HK124194A/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B26B21/40—Details or accessories
    • B26B21/4006—Blades or blade units with discontinuous cutting edges, e.g. wire-wrapped, notches
    • 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
    • B26B21/08—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 involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/24—Safety razors with one or more blades arranged transversely to the handle of the magazine type; of the injector type

Definitions

  • the invention relates to a wet shaver in which a razor blade is firmly embedded in a blade body.
  • wet razors are known in which a single razor blade or a double razor blade is embedded in a plastic body, the cutting edges of the two razor blades being offset from one another in the double razor blade.
  • a distinction is made between two types, namely a wet razor, in which the razor head is formed in one piece with the handle, and second, the so-called razor blade units, which are formed separately from the handle and can be interchangeably attached to the handle by means of a corresponding mechanism.
  • a disadvantage of these wet shavers is that unevenness in the skin can be detected by the razor blades during the shaving process and can thus be the cause of skin injuries (skin irritation) that are sometimes not visible.
  • skin injuries skin irritation
  • the known wet shaver there is a risk that the user may be injured if the cutting edge of the razor blade is touched unintentionally.
  • DE-A-19 09 989 discloses a razor blade which is provided with a helical wire wrap.
  • This wire can, for example, be a metal wire, the wire diameter being less than 0.1 mm.
  • this razor blade provided with the wire wrap is detachably inserted into the head of a wet shaver.
  • CH-A-202 023 discloses a wet shaver in which a shaving head is arranged at the front end of a handle.
  • a shaving head is arranged at the front end of a handle.
  • a plurality of razor blades are arranged on a common blade carrier, which can be rotated about an axis parallel to the cutting edges of the razor blades, uniformly over its circumference.
  • the blade carrier with the razor blades can be rotated into the respective shaving position by means of a rotary knob located in the axis and arranged on the blade carrier and rusted there.
  • the disadvantage here is that skin injuries can occur during the shaving process. There is also a risk of injury if the user accidentally touches the cutting edges of the razor blades.
  • the invention has for its object to develop the known wet shaver of the type mentioned, in which a razor blade is firmly embedded in a blade body, such that the shaving properties are improved with an increase in safety.
  • the invention proposes that the blade body is wrapped with wire together with the razor blade.
  • the wire wrapping ensures very good protection against injuries if the cutting edge is touched unintentionally or if misfortune happens to the user during shaving, which would otherwise lead to a cut injury without the wire wrapping.
  • the wire wrap significantly improves the shaving properties of the wet shaver.
  • the wire prevents the formation of a skin fold, so that skin injuries are avoided even in the invisible area. It also reduces the wire the shaving resistance.
  • Such a wire wrap can be used both for wet shavers, the razor head with the razor blade embedded therein is integrally formed with the handle, as search for the so-called razor blade units, which can be exchangeably attached as separate components with a razor blade embedded in a blade body at the front end of a handle .
  • the wire is preferably a metal wire and can consist of copper, silver or stainless steel.
  • the wire can also be a plastic fiber and is in particular a polyamide, polyethylene, polystyrene, vinylidene-vinyl chloride copolymer, acrynitrile copolymer, rubber-elastic polyurethane or polyerephthalic acid ester.
  • the wire can be provided with a coating which reduces friction and serves as a lubricant.
  • This coating can in particular consist of a water-soluble polymer, in particular polyethylene oxide, polyvinyl pyrrolidone, methyl cellulose or polyvinyl methylene ether.
  • the coating can also consist of a water-absorbing but not water-soluble material, for example polyvinyl alcohol fibers or PUR-polyvinyl interpolymer.
  • the adhesion and the cohesion of this water-soluble polymer must be adjusted so that water and pressure must come together for the detachment.
  • the water is used to release the water-soluble polymer, while the pressure ensures the necessary abrasion and thus realizes the lubrication.
  • the wire preferably has a diameter of less than 0.1 mm.
  • a wet shaving apparatus with a single or double razor blade having a razor head which is arranged at the front end of a handle, a plurality of razor blades being arranged uniformly over its circumference on a common blade carrier which can be rotated about an axis, the cutting edges of the razor blades being parallel to the latter Axis extend and the blade carrier with the razor blades can be rotated into the shaving position and locked there by means of a rotary knob located in the axis and arranged on the blade carrier, it is proposed that the blade carrier be wrapped with wire together with the razor blades. It is no longer a blade body with an embedded razor blade of the type described above, but rather a so-called turret razor,
  • the turret shaver shown in Fig. 1 consists of a handle 1 and a shaving head 2, which is arranged in the front end of the handle 1.
  • an axis of rotation 4 is mounted running transversely to the longitudinal extent of the handle 1, this axis of rotation 4 projecting freely, as can be seen in particular in FIG. 2.
  • the handle 1, the continuation 3 and the axis of rotation 4 can be formed in one piece and consist, for example, of plastic or metal.
  • a spring 5 is arranged in the axis of rotation 4 and projects beyond the circumferential surface of the axis of rotation 4 through a slot. This can also be seen in FIG. 2. This spring 5 can be pressed transversely to the longitudinal extent of the axis of rotation 4 into its interior.
  • a blade carrier 6 (in the drawing from the right) is attached to the axis of rotation 4.
  • This blade carrier 6 has an essentially square cross section, a razor blade 7 in the form of a double razor blade being almost welded onto each side surface.
  • the cutting edges 8 of the razor blades 7 run parallel to the central axis of rotation 4.
  • An axis A is defined by the axis of rotation 4, about which the blade carrier 6 can be rotated with the razor blades 7, which is indicated by the threatening arrow D.
  • the blade carrier 6 is provided on the inside with a circumferential recess 9 with a square cross section (FIG. 3), as can be seen in FIG. 2.
  • This circumferential recess 9 abuts the end of the spring 5 of the axis of rotation 4, so that the blade support 6 is thereby fixed in the axial direction.
  • Ubarwinden the spring force of the spring 5 however, this can be pressed inwards into the axis of rotation 4, so that the blade carrier 6 can be removed from the axis of rotation 4. Accordingly, a new blade carrier 6 can be fixed in position after being pushed onto the axis of rotation 4.
  • a rotating device 10 is provided. This consists of a rotary knob 11 outside the blade carrier 6. This rotary knob 11 lies in the axis A or in the extension of the axis of rotation 4.
  • the rotary knob 11 is provided with an actuating rod 12 which is penetrated by a bore 13 on the end face of the blade carrier 6 protrudes axially.
  • the end of the actuating rod 12 lying inside the blade carrier 6 is provided with a stop 14 which has a non-round cross-sectional shape and in the exemplary embodiment shown is square.
  • the inner contour of the blade carrier 6 is adapted to this cross-sectional shape of the stop 14, so that the stop 14 is arranged in the blade carrier 6 so that it cannot rotate.
  • the rotary knob 11 In the rest position, the rotary knob 11 is in the inserted position (solid line in Fig. 2). If the blade carrier 6 is to be rotated into the next position, the rotary knob 11 is pulled out, which is indicated by the arrow P, the drawn-out position being shown in dashed lines. Due to the non-rotatable arrangement of the stop 14 in the blade carrier 6, the blade carrier 6 can be rotated into the next position of the razor blade 7 by threatening the rotary knob 11. When the turning process has ended, the rotary button 11 is pushed in again (from right to left in the drawing).
  • the blade carrier 6 is spirally wrapped by a wire 15, which preferably has a diameter less than 0.1 mm. This wire wrapping serves as protection against injury, the shaving properties of the razor blades 7 being fully retained.
  • the blade carrier 6 can be provided with recesses, not shown, in which the wire 15 runs and thus protects it from displacement.
  • the wire wrapping was described using a so-called turret shaver.
  • the use of this wire wrap is not limited to the blade carrier 6 in such turret shavers.
  • the wire wrapping is provided in a wet shaver in which a single or double razor blade is firmly embedded in a blade body made of synthetic material.
  • the blade body can be integrally formed with the handle and thus forms a so-called Disposable wet shaver.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Knives (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Lubricants (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Cosmetics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Filtering Materials (AREA)

Claims (7)

  1. Rasoir mécanique, dans lequel une lame de rasage (7) est encastrée à demeure dans un corps porte-lame, caractérisé en ce que le corps porte-lame, y compris la lame de rasage (7), est entouré avec du fil (15).
  2. Rasoir mécanique selon la revendication 1, caractérisé en ce que le fil (15) est un fil métallique, en particulier en cuivre, en argent ou en acier inoxydable.
  3. Rasoir mécanique selon la revendication 1, caractérisé en ce que le fil (15) est en fibre synthétique, en particulier en polyamide, polyéthylène, polystyrène, copolymère de (poly-)chlorure de vinyle/vinylidène, copolymérisat d'acrylonitrile, polyuréthanne élastique ou polyéthylène-téréphtalate.
  4. Rasoir mécanique selon l'une des revendications 1 à 3, caractérisé en ce que le fil (15) est garni d'un revêtement destiné à réduire le frottement et servant de lubrifiant, en particulier en polymère hydrosoluble, en particulier en polyoxyde d'éthylène, polyvinylpyrrolidone, méthylcellulose ou polyvinylméthylènéther, ou en particulier en matériau hydrophile, mais non hydrosoluble, en particulier en fibres d'alcool polyvinylique ou en réseau interpénétré polyuréthanne/polyvinyle.
  5. Rasoir mécanique selon l'une des revendications 1 à 4, caractérisé en ce que le fil (15) possède un diamètre inférieur à 0,1 mm.
  6. Rasoir mécanique selon l'une des revendications 1 à 5, caractérisé en ce qu'il est prévu des évidements dans lesquels passe le fil (15).
  7. Rasoir mécanique selon l'une des revendications 1 à 6, comprenant une tête de rasage (2) qui est munie d'une lame de rasage simple ou double (7) et qui est montée à l'extrémité avant d'un manche (1), plusieurs lames de rasage (7) étant disposées à intervalles réguliers à la périphérique d'un porte-lames commun (6) pouvant tourner autour d'un axe (A), les arêtes de coupe (8) des lames de rasage (7) étant parallèles à l'axe (A), et le porte-lames (6) muni des lames de rasage (7) pouvant être amené en rotation et bloqué dans la position de rasage au moyen d'un bouton rotatif (11) situé sur l'axe (A) et disposé contre le porte-lames (6), caractérisé en ce que le porte-lames (6) muni des lames de rasage (7) est entouré avec du fil (15).
EP90110073A 1987-01-03 1987-01-03 Appareil pour rasage humide Expired - Lifetime EP0389007B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP90110073A EP0389007B1 (fr) 1987-01-03 1987-01-03 Appareil pour rasage humide
AT90110073T ATE97847T1 (de) 1987-01-03 1990-05-28 Nassrasierapparat.
HK124194A HK124194A (en) 1987-01-03 1994-11-10 Wet shaver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP90110073A EP0389007B1 (fr) 1987-01-03 1987-01-03 Appareil pour rasage humide
EP87100035A EP0273992B1 (fr) 1987-01-03 1987-01-03 Rasoir mécanique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP87100035.2 Division 1987-01-03

Publications (2)

Publication Number Publication Date
EP0389007A1 EP0389007A1 (fr) 1990-09-26
EP0389007B1 true EP0389007B1 (fr) 1993-12-01

Family

ID=8196665

Family Applications (2)

Application Number Title Priority Date Filing Date
EP87100035A Expired - Lifetime EP0273992B1 (fr) 1987-01-03 1987-01-03 Rasoir mécanique
EP90110073A Expired - Lifetime EP0389007B1 (fr) 1987-01-03 1987-01-03 Appareil pour rasage humide

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP87100035A Expired - Lifetime EP0273992B1 (fr) 1987-01-03 1987-01-03 Rasoir mécanique

Country Status (8)

Country Link
US (1) US4916814A (fr)
EP (2) EP0273992B1 (fr)
JP (1) JPS63192482A (fr)
AT (2) ATE58859T1 (fr)
BR (1) BR8707177A (fr)
DE (2) DE3788359D1 (fr)
ES (2) ES2018480B3 (fr)
HK (1) HK124194A (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914817A (en) * 1988-07-01 1990-04-10 The Gillette Company Razor head with riblets
BR9106884A (pt) * 1990-09-28 1993-07-13 Gillette Co Sistema de barbear,processo para produzir um composito auxiliar de barbear e o respectivo composite auxiliar de barbear
DK0556531T3 (da) * 1992-02-14 1995-09-04 Wilkinson Sword Gmbh Barbermaskinehoved, navnlig barberbladsenhed til en vådbarbermaskine
GB2288760B (en) * 1992-03-06 1996-01-03 Wilkinson Sword Gmbh Razor head of a wet razor
GB2265328B (en) * 1992-03-13 1995-05-10 Wilkinson Sword Gmbh Razor head of a wet razor
GB2265565B (en) * 1992-03-28 1995-03-22 Wilkinson Sword Gmbh Razor head of a wet razor
US5409133A (en) * 1994-02-17 1995-04-25 Allway Tools, Inc. Razor blade dispenser
US5456009A (en) * 1994-08-23 1995-10-10 Warner-Lambert Company Multi-blade razor head with improved performance
US5630275A (en) * 1994-08-23 1997-05-20 Warner-Lambert Company Multi-blade razor head with improved performance
WO1997027030A1 (fr) * 1996-01-24 1997-07-31 Warner-Lambert Company Rasoir avec unite a lame reversible
US6112412A (en) * 1999-04-21 2000-09-05 Warner-Lambert Company Razor assembly and cartridge having improved wash-through
US6182366B1 (en) 1999-04-21 2001-02-06 Warner-Lambert Company Flexible razor assembly and cartridge
US6138361A (en) * 1999-04-21 2000-10-31 Warner-Lambert Company Pivotable razor assembly and cartridge
US6772523B1 (en) 1999-04-21 2004-08-10 Eveready Battery Company, Inc. Pivotable and flexible razor assembly and cartridge
FR2829716A1 (fr) * 2001-09-20 2003-03-21 Josephine Ventimiglia Rasoir de poche avec tete changeable et pivotante a quatre surfaces rasantes
US20040187314A1 (en) * 2003-03-10 2004-09-30 Johnson Darian A. Utility knife blade having an uneven cutting edge
US20060218793A1 (en) * 2005-03-31 2006-10-05 Wheel Technology Ltd. Electric razor with helical filament winding
DE102005044176A1 (de) 2005-09-16 2007-03-29 Braun Gmbh Haarentfernungsgerät
ITTO20060315A1 (it) * 2006-04-28 2007-10-29 Marco Rigat Rasoio di sicurezza multilama
CN101472715B (zh) * 2006-06-19 2012-01-25 皇家飞利浦电子股份有限公司 毛发修剪设备
US20080216329A1 (en) * 2007-01-31 2008-09-11 Leventhal James M Ergonomic razor and blade assembly and device for storing and dispensing blade assemblies
US20110219625A1 (en) * 2008-11-13 2011-09-15 Close Cut Co Limited Shaver head
US8745876B2 (en) * 2010-01-21 2014-06-10 Preston Hage, Llc Safety razor
US8887401B2 (en) * 2012-06-18 2014-11-18 Anthony J. Oxford Rotating blade assembly
US20150258697A1 (en) * 2012-10-18 2015-09-17 Jianlun Tong Multifunctional efficient protective tool
US10478982B2 (en) 2013-05-08 2019-11-19 Lee Innovations, LLC Compliant or rollable cutting surface and cutting device
DE202013103038U1 (de) 2013-07-09 2013-07-17 Johann Kralewski Rasierapparat für eine Nassrasur
USD829992S1 (en) 2017-01-30 2018-10-02 Preston Hage, Llc Cartridge head for a safety razor
USD830632S1 (en) 2017-01-30 2018-10-09 Preston Hage, Llc Safety razor
US10814508B1 (en) * 2017-07-26 2020-10-27 Bredan, Inc. Razor
USD829993S1 (en) 2017-08-15 2018-10-02 Preston Hage, Llc Handle for a safety razor
USD850723S1 (en) 2018-01-09 2019-06-04 Preston Hage, Llc Safety razor chassis

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH202023A (de) * 1938-05-11 1938-12-31 Sidler Siegfried Rasierapparat.
US2636263A (en) * 1947-03-29 1953-04-28 Joseph C Fennelly Safety razor with rotary magazine and blade therefor
DE1204106B (de) * 1963-06-10 1965-10-28 Eversharp Inc Rasierklinge
US3430341A (en) * 1966-09-08 1969-03-04 William M Choate Disposable multi-bladed safety razor
DE1949400A1 (de) * 1969-02-13 1970-08-20 Matsura Hirotsugu Sicherheitsrasierapparat
US3722091A (en) * 1971-01-11 1973-03-27 Raymond Lee Organization Inc Disposable safety rotary razor
US4034892A (en) * 1974-08-14 1977-07-12 Philip Morris Incorporated Dispenser for razor blade cartridges
US4090638A (en) * 1975-05-29 1978-05-23 The Gillette Company Shaving unit dispenser
EP0025117A1 (fr) * 1979-09-07 1981-03-18 Tondeo-Werk GmbH Récipient pour conserver des unités de lames de rasoir
GB2066107A (en) * 1979-12-31 1981-07-08 Warner Lambert Co Razor blades with water soluble shaving aid
FR2496536A1 (fr) * 1980-12-24 1982-06-25 Szigeti Elemer Tete de rasage et rasoirs correspondants

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2352813A (en) * 1943-12-08 1944-07-04 Gillette Safety Razor Co Magazine safety razor
US2565062A (en) * 1949-11-14 1951-08-21 Hyman A Blanchard Razor
US3412464A (en) * 1967-01-16 1968-11-26 Karl M. Keck Razor having a rotative blade holder
US3420341A (en) * 1967-10-16 1969-01-07 Jonathan N Keehn Variable shock absorber
US3505734A (en) * 1968-02-28 1970-04-14 Philip Morris Inc Cutting blade with self-contained guard
BE757256A (fr) * 1969-10-09 1971-03-16 Philip Morris Inc Rasoir a lames multiples.
US4094066A (en) * 1977-03-08 1978-06-13 Daniel Jr Donald S Surgical razor blade with integral guard
US4443939A (en) * 1982-04-30 1984-04-24 Warner-Lambert Company Flexible razor blade cartridge

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH202023A (de) * 1938-05-11 1938-12-31 Sidler Siegfried Rasierapparat.
US2636263A (en) * 1947-03-29 1953-04-28 Joseph C Fennelly Safety razor with rotary magazine and blade therefor
DE1204106B (de) * 1963-06-10 1965-10-28 Eversharp Inc Rasierklinge
US3430341A (en) * 1966-09-08 1969-03-04 William M Choate Disposable multi-bladed safety razor
DE1949400A1 (de) * 1969-02-13 1970-08-20 Matsura Hirotsugu Sicherheitsrasierapparat
US3722091A (en) * 1971-01-11 1973-03-27 Raymond Lee Organization Inc Disposable safety rotary razor
US4034892A (en) * 1974-08-14 1977-07-12 Philip Morris Incorporated Dispenser for razor blade cartridges
US4090638A (en) * 1975-05-29 1978-05-23 The Gillette Company Shaving unit dispenser
EP0025117A1 (fr) * 1979-09-07 1981-03-18 Tondeo-Werk GmbH Récipient pour conserver des unités de lames de rasoir
GB2066107A (en) * 1979-12-31 1981-07-08 Warner Lambert Co Razor blades with water soluble shaving aid
FR2496536A1 (fr) * 1980-12-24 1982-06-25 Szigeti Elemer Tete de rasage et rasoirs correspondants

Also Published As

Publication number Publication date
ES2018480B3 (es) 1991-04-16
DE3766606D1 (de) 1991-01-17
ATE58859T1 (de) 1990-12-15
BR8707177A (pt) 1988-08-16
EP0273992A1 (fr) 1988-07-13
DE3788359D1 (de) 1994-01-13
ATE97847T1 (de) 1993-12-15
US4916814A (en) 1990-04-17
EP0273992B1 (fr) 1990-12-05
JPS63192482A (ja) 1988-08-09
ES2048359T3 (es) 1994-03-16
HK124194A (en) 1994-11-18
EP0389007A1 (fr) 1990-09-26

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