CA2111343C - Improvements in or relating to razor blades - Google Patents

Improvements in or relating to razor blades

Info

Publication number
CA2111343C
CA2111343C CA002111343A CA2111343A CA2111343C CA 2111343 C CA2111343 C CA 2111343C CA 002111343 A CA002111343 A CA 002111343A CA 2111343 A CA2111343 A CA 2111343A CA 2111343 C CA2111343 C CA 2111343C
Authority
CA
Canada
Prior art keywords
diamond
substrate
layer
less
edge
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 - Fee Related
Application number
CA002111343A
Other languages
English (en)
French (fr)
Other versions
CA2111343A1 (en
Inventor
C. Robert Parent
John Madeira
Steve Syng-Hi Hahn
Chong-Ping Peter Chou
Lamar Eugene Brooks
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.)
Gillette Co LLC
Original Assignee
Gillette 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
Priority claimed from US07/719,793 external-priority patent/US5232568A/en
Application filed by Gillette Co LLC filed Critical Gillette Co LLC
Publication of CA2111343A1 publication Critical patent/CA2111343A1/en
Application granted granted Critical
Publication of CA2111343C publication Critical patent/CA2111343C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B26B21/54—Razor-blades
    • B26B21/58—Razor-blades characterised by the material
    • B26B21/60—Razor-blades characterised by the material by the coating 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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Knives (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Cosmetics (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CA002111343A 1991-06-24 1992-06-11 Improvements in or relating to razor blades Expired - Fee Related CA2111343C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US07/719,793 US5232568A (en) 1991-06-24 1991-06-24 Razor technology
US719,793 1991-06-24
US79242791A 1991-11-15 1991-11-15
US792,427 1991-11-15
PCT/US1992/004932 WO1993000204A1 (en) 1991-06-24 1992-06-11 Improvements in or relating to razor blades

Publications (2)

Publication Number Publication Date
CA2111343A1 CA2111343A1 (en) 1993-01-07
CA2111343C true CA2111343C (en) 1998-07-28

Family

ID=27110143

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002111343A Expired - Fee Related CA2111343C (en) 1991-06-24 1992-06-11 Improvements in or relating to razor blades

Country Status (19)

Country Link
EP (1) EP0591339B1 (tr)
JP (1) JP3722829B2 (tr)
KR (1) KR100245979B1 (tr)
CN (1) CN1039793C (tr)
AT (1) ATE169547T1 (tr)
AU (1) AU667816B2 (tr)
CA (1) CA2111343C (tr)
CZ (1) CZ286598B6 (tr)
DE (1) DE69226640T2 (tr)
DK (1) DK0591339T3 (tr)
EG (1) EG19616A (tr)
ES (1) ES2118821T3 (tr)
MA (1) MA22561A1 (tr)
MX (1) MX9203147A (tr)
MY (1) MY110072A (tr)
PL (1) PL170815B1 (tr)
TR (1) TR27155A (tr)
TW (1) TW215423B (tr)
WO (1) WO1993000204A1 (tr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA928617B (en) * 1991-11-15 1993-05-11 Gillette Co Shaving system.
BR9507514A (pt) * 1994-04-25 1997-09-02 Gillette Co Processo para formação de uma lâmina de barbear l mina unidade de barbear e processo para aplicação de um revestimento duro de carbono a uma lâmina
US5490329A (en) * 1994-05-17 1996-02-13 The Gillette Company Shaving system
US5693094A (en) 1995-05-09 1997-12-02 Allergan IOL for reducing secondary opacification
US6468306B1 (en) 1998-05-29 2002-10-22 Advanced Medical Optics, Inc IOL for inhibiting cell growth and reducing glare
US6884262B2 (en) 1998-05-29 2005-04-26 Advanced Medical Optics, Inc. Enhanced intraocular lens for reducing glare
US6162249A (en) * 1998-05-29 2000-12-19 Allergan IOI for inhibiting cell growth and reducing glare
DE69911746T2 (de) * 1998-12-24 2004-07-29 Koninklijke Philips Electronics N.V. Verfahren zur herstellung eines mit einer überzugschicht beschichteten schneidelements.
US6684513B1 (en) 2000-02-29 2004-02-03 The Gillette Company Razor blade technology
US20050028389A1 (en) * 2001-06-12 2005-02-10 Wort Christopher John Howard Cvd diamond cutting insert
EP1419036A1 (en) 2001-07-11 2004-05-19 Koninklijke Philips Electronics N.V. Cutting member with dual profile tip
US6648741B2 (en) 2002-03-14 2003-11-18 Advanced Medical Optics, Inc. Apparatus for protecting the edge geometry of an intraocular lens during glass bead polishing process
GB0212530D0 (en) * 2002-05-30 2002-07-10 Diamanx Products Ltd Diamond cutting insert
US20050246904A1 (en) * 2002-08-21 2005-11-10 Koninklijke Philips Electronics N.V. Cutting member having a superlattice coating
CA2548735C (en) 2003-12-09 2012-11-13 Advanced Medical Optics, Inc. Foldable intraocular lens and method of making
AU2007215243A1 (en) * 2006-02-10 2007-08-23 Eveready Battery Company, Inc. Multi-layer coating for razor blades
US7882640B2 (en) * 2006-03-29 2011-02-08 The Gillette Company Razor blades and razors
US8011104B2 (en) 2006-04-10 2011-09-06 The Gillette Company Cutting members for shaving razors
US20130014395A1 (en) 2011-07-14 2013-01-17 Ashok Bakul Patel Razor blades having a large tip radius
US20130014396A1 (en) 2011-07-14 2013-01-17 Kenneth James Skrobis Razor blades having a wide facet angle
CN106584525A (zh) * 2015-10-20 2017-04-26 余荣恺 理发剪的刀头及其制造方法
EP3372362A1 (en) * 2017-03-08 2018-09-12 BIC-Violex S.A. Razor blade
WO2021211815A1 (en) 2020-04-16 2021-10-21 The Gillette Company Llc Coatings for a razor blade
BR112022020877A2 (pt) 2020-04-16 2022-11-29 Gillette Co Llc Revestimentos multicamadas para uma lâmina de barbear ou depilar
US11794366B2 (en) 2020-04-16 2023-10-24 The Gillette Company Llc Coatings for a razor blade
US20230373122A1 (en) 2022-05-20 2023-11-23 The Gillette Company Llc Non-fluorinated organic coating material for a razor blade
US20230373120A1 (en) 2022-05-20 2023-11-23 The Gillette Company Llc Method of coating a razor blade
DE102022213666A1 (de) * 2022-12-14 2024-06-20 Wmf Gmbh Schneidklinge und Verfahren zu deren Herstellung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480483A (en) * 1965-05-06 1969-11-25 Wilkinson Sword Ltd Razor blades and methods of manufacture thereof
US3349488A (en) * 1966-08-09 1967-10-31 Burnie J Craig Razor blades
US3829969A (en) * 1969-07-28 1974-08-20 Gillette Co Cutting tool with alloy coated sharpened edge
US3802078A (en) * 1971-06-07 1974-04-09 P Denes Cutting device and method for making same
US3761374A (en) * 1971-07-09 1973-09-25 Gillette Co Process for producing an improved cutting tool
US4291463A (en) * 1979-12-31 1981-09-29 Warner-Lambert Company Water-soluble shaving aid for razor blades
DE3047888A1 (de) * 1980-12-19 1982-07-15 Philips Patentverwaltung Gmbh, 2000 Hamburg "schneidwerkzeug, verfahren zu seiner herstellung und seine verwendung"
BR8307616A (pt) * 1982-11-19 1984-10-02 Gillette Co Laminas de barbear
US4586255A (en) * 1984-10-15 1986-05-06 The Gillette Company Razor blade assembly
US4933058A (en) * 1986-01-23 1990-06-12 The Gillette Company Formation of hard coatings on cutting edges
WO1992019425A2 (en) * 1991-04-26 1992-11-12 The Gillette Company Improvements in or relating to razor blades

Also Published As

Publication number Publication date
DE69226640D1 (de) 1998-09-17
TR27155A (tr) 1994-11-09
CZ286598B6 (cs) 2000-05-17
DE69226640T2 (de) 1999-03-18
EG19616A (en) 1995-07-27
ATE169547T1 (de) 1998-08-15
CN1068990A (zh) 1993-02-17
PL170815B1 (en) 1997-01-31
TW215423B (tr) 1993-11-01
JPH07503377A (ja) 1995-04-13
CN1039793C (zh) 1998-09-16
WO1993000204A1 (en) 1993-01-07
MY110072A (en) 1997-12-31
CZ289093A3 (en) 1995-04-12
EP0591339A1 (en) 1994-04-13
ES2118821T3 (es) 1998-10-01
DK0591339T3 (da) 1999-02-15
EP0591339B1 (en) 1998-08-12
MX9203147A (es) 1993-02-01
CA2111343A1 (en) 1993-01-07
AU2192792A (en) 1993-01-25
EP0591339A4 (tr) 1994-08-31
AU667816B2 (en) 1996-04-18
KR100245979B1 (ko) 2000-05-01
MA22561A1 (fr) 1992-12-31
JP3722829B2 (ja) 2005-11-30

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Legal Events

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