EP0351093A3 - Shaving razor - Google Patents

Shaving razor Download PDF

Info

Publication number
EP0351093A3
EP0351093A3 EP89306535A EP89306535A EP0351093A3 EP 0351093 A3 EP0351093 A3 EP 0351093A3 EP 89306535 A EP89306535 A EP 89306535A EP 89306535 A EP89306535 A EP 89306535A EP 0351093 A3 EP0351093 A3 EP 0351093A3
Authority
EP
European Patent Office
Prior art keywords
shaving razor
coating
boron carbide
razor
overlying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89306535A
Other versions
EP0351093B1 (en
EP0351093A2 (en
Inventor
Carl A. Hultman
William E. Vreeland
Peter S. Williams
Ross Boland
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.)
Warner Lambert Co LLC
Original Assignee
Warner Lambert Co LLC
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 Warner Lambert Co LLC filed Critical Warner Lambert Co LLC
Priority to AT89306535T priority Critical patent/ATE102535T1/en
Publication of EP0351093A2 publication Critical patent/EP0351093A2/en
Publication of EP0351093A3 publication Critical patent/EP0351093A3/en
Application granted granted Critical
Publication of EP0351093B1 publication Critical patent/EP0351093B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors 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
    • B26B21/08Razors 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors 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
    • B26B21/54Razor-blades
    • B26B21/58Razor-blades characterised by the material

Landscapes

  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physical Vapour Deposition (AREA)
  • Dry Shavers And Clippers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Scissors And Nippers (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Lubricants (AREA)
  • Disintegrating Or Milling (AREA)
  • Amplifiers (AREA)
  • Cosmetics (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Knives (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

A shaving razor has a blade (10) provided with a sputtered hard coating (36) of boron carbide and with a fluoropolymer lubricant coating (52) overlying the boron carbide coating (36) and adhering directly thereto. The razor provides good durability and good shave performance.
EP89306535A 1988-07-13 1989-06-27 Shaving razor Expired - Lifetime EP0351093B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89306535T ATE102535T1 (en) 1988-07-13 1989-06-27 WET RAZOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21863788A 1988-07-13 1988-07-13
US218637 1988-07-13

Publications (3)

Publication Number Publication Date
EP0351093A2 EP0351093A2 (en) 1990-01-17
EP0351093A3 true EP0351093A3 (en) 1990-07-11
EP0351093B1 EP0351093B1 (en) 1994-03-09

Family

ID=22815882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89306535A Expired - Lifetime EP0351093B1 (en) 1988-07-13 1989-06-27 Shaving razor

Country Status (19)

Country Link
EP (1) EP0351093B1 (en)
JP (1) JP2744809B2 (en)
KR (1) KR900001469A (en)
CN (1) CN1040536A (en)
AT (1) ATE102535T1 (en)
AU (1) AU625072B2 (en)
BR (1) BR8903414A (en)
CA (1) CA1332500C (en)
DE (1) DE68913606T2 (en)
DK (1) DK348689A (en)
ES (1) ES2050238T3 (en)
FI (1) FI893341A (en)
IL (1) IL90748A0 (en)
MX (1) MX170705B (en)
NO (1) NO892884L (en)
NZ (1) NZ229934A (en)
PT (1) PT91135A (en)
TR (1) TR26049A (en)
ZA (1) ZA894947B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1772292A (en) * 1991-04-05 1992-11-02 Warner-Lambert Company Coated cutting tool
US5669144A (en) * 1991-11-15 1997-09-23 The Gillette Company Razor blade technology
US6468642B1 (en) * 1995-10-03 2002-10-22 N.V. Bekaert S.A. Fluorine-doped diamond-like coatings
US6077572A (en) * 1997-06-18 2000-06-20 Northeastern University Method of coating edges with diamond-like carbon
KR100874694B1 (en) * 2001-03-07 2008-12-18 리퀴드메탈 테크놀로지스 인코포레이티드 Sharp cutting tools
KR20010070622A (en) * 2001-05-28 2001-07-27 강정민 A razor blade and its manufacturing method
US20040172832A1 (en) * 2003-03-04 2004-09-09 Colin Clipstone Razor blade
US20070227008A1 (en) * 2006-03-29 2007-10-04 Andrew Zhuk Razors
BR112014007708B1 (en) * 2011-10-06 2020-09-15 Bic-Violex Sa RIGID SHAVING OR SHAVING BLADE FORMED INTEGRALLY AND SHAVING OR SHAVING HEAD
US9808944B2 (en) * 2014-06-17 2017-11-07 The Gillette Company Llc Methods of manufacturing silicon blades for shaving razors
JP2019532171A (en) 2016-07-28 2019-11-07 杭州巨星工具有限公司 Cutting member and manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1299519A (en) * 1959-12-31 1962-07-27 Gillette Co Razor blade and method for making it
US3774703A (en) * 1970-04-17 1973-11-27 Wilkinson Sword Ltd Razor blades and methods of manufacture thereof
US4556607A (en) * 1984-03-28 1985-12-03 Sastri Suri A Surface coatings and subcoats
FR2566806A1 (en) * 1984-06-27 1986-01-03 Diamant Boart Sa PROCESS FOR PRODUCING BORON CARBIDE COATINGS AND COATINGS OBTAINED
US4716083A (en) * 1983-09-23 1987-12-29 Ovonic Synthetic Materials Company Disordered coating

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795494A (en) * 1972-03-20 1974-03-05 Nat Res Corp Erosion resistant wares composed predominantly of chromium bearing steel
US3805387A (en) * 1972-05-22 1974-04-23 American Optical Corp Fiber razor blade
JPS5479769A (en) * 1977-12-07 1979-06-26 Hitachi Metals Ltd Razor
US4933058A (en) * 1986-01-23 1990-06-12 The Gillette Company Formation of hard coatings on cutting edges
JPS62181836A (en) * 1986-02-03 1987-08-10 Iwane Ishida Manufacturing method for cutting edge formed with ultra-hard film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1299519A (en) * 1959-12-31 1962-07-27 Gillette Co Razor blade and method for making it
US3774703A (en) * 1970-04-17 1973-11-27 Wilkinson Sword Ltd Razor blades and methods of manufacture thereof
US4716083A (en) * 1983-09-23 1987-12-29 Ovonic Synthetic Materials Company Disordered coating
US4556607A (en) * 1984-03-28 1985-12-03 Sastri Suri A Surface coatings and subcoats
FR2566806A1 (en) * 1984-06-27 1986-01-03 Diamant Boart Sa PROCESS FOR PRODUCING BORON CARBIDE COATINGS AND COATINGS OBTAINED

Also Published As

Publication number Publication date
ATE102535T1 (en) 1994-03-15
JP2744809B2 (en) 1998-04-28
EP0351093B1 (en) 1994-03-09
EP0351093A2 (en) 1990-01-17
ES2050238T3 (en) 1994-05-16
KR900001469A (en) 1990-02-27
TR26049A (en) 1993-11-15
IL90748A0 (en) 1990-01-18
AU625072B2 (en) 1992-07-02
NO892884D0 (en) 1989-07-13
JPH0265891A (en) 1990-03-06
MX170705B (en) 1993-09-08
DE68913606T2 (en) 1994-08-25
BR8903414A (en) 1990-02-13
PT91135A (en) 1990-02-08
ZA894947B (en) 1990-07-25
DK348689D0 (en) 1989-07-13
CA1332500C (en) 1994-10-18
DK348689A (en) 1990-01-14
CN1040536A (en) 1990-03-21
AU3674289A (en) 1990-01-18
FI893341A (en) 1990-01-14
DE68913606D1 (en) 1994-04-14
FI893341A0 (en) 1989-07-10
NO892884L (en) 1990-01-15
NZ229934A (en) 1991-11-26

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