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WO1998038017A3 - Razor blade and cartridge including same and method of making same - Google Patents

Razor blade and cartridge including same and method of making same Download PDF

Info

Publication number
WO1998038017A3
WO1998038017A3 PCT/US1998/003761 US9803761W WO9838017A3 WO 1998038017 A3 WO1998038017 A3 WO 1998038017A3 US 9803761 W US9803761 W US 9803761W WO 9838017 A3 WO9838017 A3 WO 9838017A3
Authority
WO
WIPO (PCT)
Prior art keywords
axis
same
length
razor blade
cartridge including
Prior art date
Application number
PCT/US1998/003761
Other languages
French (fr)
Other versions
WO1998038017A2 (en
Inventor
Steve Syng-Hi Hahn
Original Assignee
Gillette Co
Hahn Steve Syng Hi
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 Gillette Co, Hahn Steve Syng Hi filed Critical Gillette Co
Priority to PL98335376A priority Critical patent/PL186434B1/en
Priority to DE69805632T priority patent/DE69805632T2/en
Priority to AU63399/98A priority patent/AU6339998A/en
Priority to AT98907644T priority patent/ATE218087T1/en
Priority to CA002278765A priority patent/CA2278765C/en
Priority to JP53784698A priority patent/JP2001513681A/en
Priority to EP98907644A priority patent/EP1011934B1/en
Priority to BR9807754-6A priority patent/BR9807754A/en
Publication of WO1998038017A2 publication Critical patent/WO1998038017A2/en
Publication of WO1998038017A3 publication Critical patent/WO1998038017A3/en

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
    • B26B21/56—Razor-blades characterised by the shape
    • B26B21/565—Bent razor blades; Razor blades with bent carriers
    • 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
    • B26B21/56—Razor-blades characterised by the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/60—Making other particular articles cutlery wares; garden tools or the like
    • B21D53/64—Making other particular articles cutlery wares; garden tools or the like knives; scissors; cutting blades
    • B21D53/645—Making other particular articles cutlery wares; garden tools or the like knives; scissors; cutting blades safety razor blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/48—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of razor blades or razors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Dry Shavers And Clippers (AREA)
  • Knives (AREA)
  • Pens And Brushes (AREA)
  • Auxiliary Devices For Music (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

A strenghtened blade for a shaving razor including a generally flat blade member having a width along a width axis (W), a length along a transverse length axis (L), and smaller dimensions along a thickness axis (T) that is normal to both the width axis and the length axis, the blade member having a nonlinear front cutting edge (13) defined by a plurality of waves (15) having crests and valleys extending above and below the length axis in a direction that is parallel to the thickness axis.
PCT/US1998/003761 1997-02-27 1998-02-26 Razor blade and cartridge including same and method of making same WO1998038017A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
PL98335376A PL186434B1 (en) 1997-02-27 1998-02-26 Rasor blade, attachment incorporating such blade and method of making same
DE69805632T DE69805632T2 (en) 1997-02-27 1998-02-26 RAZOR BLADE AND UNIT CONTAINING THIS
AU63399/98A AU6339998A (en) 1997-02-27 1998-02-26 Razor blade and cartridge including same and method of making same
AT98907644T ATE218087T1 (en) 1997-02-27 1998-02-26 RAZOR BLADE AND UNIT CONTAINING SAME
CA002278765A CA2278765C (en) 1997-02-27 1998-02-26 Razor blade and cartridge including same and method of making same
JP53784698A JP2001513681A (en) 1997-02-27 1998-02-26 Razor blade, cartridge having razor blade, and method of manufacturing razor blade
EP98907644A EP1011934B1 (en) 1997-02-27 1998-02-26 Razor blade and cartridge including same
BR9807754-6A BR9807754A (en) 1997-02-27 1998-02-26 Razor blade, razor blade cartridge, and, process for making a blade.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80714497A 1997-02-27 1997-02-27
US08/807,144 1997-02-27

Publications (2)

Publication Number Publication Date
WO1998038017A2 WO1998038017A2 (en) 1998-09-03
WO1998038017A3 true WO1998038017A3 (en) 1998-12-03

Family

ID=25195684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/003761 WO1998038017A2 (en) 1997-02-27 1998-02-26 Razor blade and cartridge including same and method of making same

Country Status (18)

Country Link
EP (1) EP1011934B1 (en)
JP (1) JP2001513681A (en)
KR (1) KR20000075679A (en)
CN (1) CN1163333C (en)
AR (1) AR011895A1 (en)
AT (1) ATE218087T1 (en)
AU (1) AU6339998A (en)
BR (1) BR9807754A (en)
CA (1) CA2278765C (en)
CO (1) CO4761088A1 (en)
DE (1) DE69805632T2 (en)
ES (1) ES2174420T3 (en)
ID (1) ID22706A (en)
PL (1) PL186434B1 (en)
TR (1) TR199902073T2 (en)
TW (1) TW378173B (en)
WO (1) WO1998038017A2 (en)
ZA (1) ZA981629B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2354474B8 (en) 1999-09-27 2008-01-29 Gillette Co Safety razors
US6449849B1 (en) * 2000-06-29 2002-09-17 Willard Hackerman Shaving razor
US6804886B2 (en) 2000-10-16 2004-10-19 The Gillette Company Safety razors
GB0025339D0 (en) * 2000-10-16 2000-11-29 Gillette Co Safety razors
EP1597032A2 (en) * 2003-02-25 2005-11-23 Eveready Battery Company, Inc. A method for manufacturing a razor blade
US7823272B2 (en) 2006-11-14 2010-11-02 The Gillette Company Systems for producing assemblies
JP2008132002A (en) * 2006-11-27 2008-06-12 Matsushita Electric Works Ltd Razor blade
WO2010118771A1 (en) * 2009-04-15 2010-10-21 Bic-Violex Sa Razor cartridge and mechanical razor comprising such a cartridge.
CA2849730C (en) 2011-10-06 2019-10-01 Bic-Violex Sa Razor blade, razor head, and method of manufacture
US20180297226A1 (en) * 2017-04-17 2018-10-18 Byung Jin Kim Razor blade having wavy cutting edge
DE102018112527A1 (en) * 2018-05-24 2019-11-28 Oliver Hesch A razor blade with at least one cutting edge for its use and the manufacture of such a razor blade

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB445385A (en) * 1935-02-07 1936-04-08 Ever Ready Razor Products Ltd Improvements in or relating to blades for safety razors
DE739561C (en) * 1941-04-27 1944-04-19 Wilhelm Mueller razor blade
GB676089A (en) * 1951-02-16 1952-07-23 Paul Muller Improvements in safety razor blades
WO1985002809A1 (en) * 1983-12-23 1985-07-04 The Gillette Company Razor blades
US4608782A (en) * 1985-05-17 1986-09-02 The Gillette Company Method and apparatus for sharpening razor blades

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829969A (en) 1969-07-28 1974-08-20 Gillette Co Cutting tool with alloy coated sharpened edge
US3652443A (en) 1970-08-25 1972-03-28 Gillette Co Deposition apparatus
US3761372A (en) 1971-07-09 1973-09-25 Gillette Co Method for producing an improved cutting tool
US4026016A (en) 1975-05-12 1977-05-31 The Gillette Company Razor blade assembly
US4379219A (en) 1980-04-21 1983-04-05 The Gillette Company Shaving unit and method of manufacture therefor
US4498357A (en) 1982-09-22 1985-02-12 George Makarov Mass accelerator and power converter unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB445385A (en) * 1935-02-07 1936-04-08 Ever Ready Razor Products Ltd Improvements in or relating to blades for safety razors
DE739561C (en) * 1941-04-27 1944-04-19 Wilhelm Mueller razor blade
GB676089A (en) * 1951-02-16 1952-07-23 Paul Muller Improvements in safety razor blades
WO1985002809A1 (en) * 1983-12-23 1985-07-04 The Gillette Company Razor blades
US4608782A (en) * 1985-05-17 1986-09-02 The Gillette Company Method and apparatus for sharpening razor blades

Also Published As

Publication number Publication date
EP1011934B1 (en) 2002-05-29
ZA981629B (en) 1998-08-28
AU6339998A (en) 1998-09-18
ATE218087T1 (en) 2002-06-15
KR20000075679A (en) 2000-12-26
JP2001513681A (en) 2001-09-04
ES2174420T3 (en) 2002-11-01
WO1998038017A2 (en) 1998-09-03
PL335376A1 (en) 2000-04-25
ID22706A (en) 1999-12-09
CN1248935A (en) 2000-03-29
TR199902073T2 (en) 1999-12-21
BR9807754A (en) 2000-02-22
CA2278765C (en) 2004-09-28
EP1011934A2 (en) 2000-06-28
TW378173B (en) 2000-01-01
CN1163333C (en) 2004-08-25
DE69805632D1 (en) 2002-07-04
DE69805632T2 (en) 2003-01-30
CA2278765A1 (en) 1998-09-03
PL186434B1 (en) 2004-01-30
AR011895A1 (en) 2000-09-13
CO4761088A1 (en) 1999-04-27

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