CA2393166A1 - Razor blade technology - Google Patents

Razor blade technology Download PDF

Info

Publication number
CA2393166A1
CA2393166A1 CA002393166A CA2393166A CA2393166A1 CA 2393166 A1 CA2393166 A1 CA 2393166A1 CA 002393166 A CA002393166 A CA 002393166A CA 2393166 A CA2393166 A CA 2393166A CA 2393166 A1 CA2393166 A1 CA 2393166A1
Authority
CA
Canada
Prior art keywords
layer
razor blade
blade technology
cutting edge
coating
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
CA002393166A
Other languages
French (fr)
Other versions
CA2393166C (en
Inventor
Neville Sonnenberg
Andrew Zhuk
Charles White
Steven Hahn
Colin John Clipstone
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
The Gillette Company
Neville Sonnenberg
Andrew Zhuk
Charles White
Steven Hahn
Colin John Clipstone
The Gillette Company 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24051289&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2393166(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by The Gillette Company, Neville Sonnenberg, Andrew Zhuk, Charles White, Steven Hahn, Colin John Clipstone, The Gillette Company Llc filed Critical The Gillette Company
Publication of CA2393166A1 publication Critical patent/CA2393166A1/en
Application granted granted Critical
Publication of CA2393166C publication Critical patent/CA2393166C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Abstract

A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer layer of polytetrafluoroethylene coating over the overcoat layer.
CA002393166A 2000-02-29 2001-02-27 Razor blade technology Expired - Lifetime CA2393166C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/515,421 2000-02-29
US09/515,421 US6684513B1 (en) 2000-02-29 2000-02-29 Razor blade technology
PCT/US2001/006206 WO2001064406A2 (en) 2000-02-29 2001-02-27 Razor blade technology

Publications (2)

Publication Number Publication Date
CA2393166A1 true CA2393166A1 (en) 2001-09-07
CA2393166C CA2393166C (en) 2006-10-10

Family

ID=24051289

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002393166A Expired - Lifetime CA2393166C (en) 2000-02-29 2001-02-27 Razor blade technology

Country Status (18)

Country Link
US (3) US6684513B1 (en)
EP (1) EP1259361B1 (en)
JP (1) JP4964383B2 (en)
KR (1) KR100543804B1 (en)
CN (1) CN1263588C (en)
AR (1) AR035393A1 (en)
AT (1) ATE294050T1 (en)
AU (1) AU784251B2 (en)
BR (1) BR0107309B1 (en)
CA (1) CA2393166C (en)
CO (1) CO5300429A1 (en)
DE (1) DE60110386T2 (en)
EG (1) EG22226A (en)
ES (1) ES2237556T3 (en)
MY (1) MY125956A (en)
RU (1) RU2258602C2 (en)
TW (1) TW518273B (en)
WO (1) WO2001064406A2 (en)

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Also Published As

Publication number Publication date
AU784251B2 (en) 2006-03-02
AU3870201A (en) 2001-09-12
KR100543804B1 (en) 2006-01-20
RU2258602C2 (en) 2005-08-20
WO2001064406A2 (en) 2001-09-07
RU2002115624A (en) 2004-03-20
DE60110386D1 (en) 2005-06-02
JP4964383B2 (en) 2012-06-27
BR0107309B1 (en) 2013-08-13
KR20020092924A (en) 2002-12-12
AR035393A1 (en) 2004-05-26
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