WO1993000204A1 - Ameliorations apportees a des lames de rasoir - Google Patents

Ameliorations apportees a des lames de rasoir Download PDF

Info

Publication number
WO1993000204A1
WO1993000204A1 PCT/US1992/004932 US9204932W WO9300204A1 WO 1993000204 A1 WO1993000204 A1 WO 1993000204A1 US 9204932 W US9204932 W US 9204932W WO 9300204 A1 WO9300204 A1 WO 9300204A1
Authority
WO
WIPO (PCT)
Prior art keywords
diamond
tip
edge
less
layer
Prior art date
Application number
PCT/US1992/004932
Other languages
English (en)
Inventor
C. Robert Parent
John Madeira
Steve Syng-Hi Hahn
Chong-Ping Peter Chou
Lamar Eugene Brooks
Original Assignee
The Gillette Company
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 The Gillette Company filed Critical The Gillette Company
Priority to KR1019930704033A priority Critical patent/KR100245979B1/ko
Priority to DK92913506T priority patent/DK0591339T3/da
Priority to JP50151393A priority patent/JP3722829B2/ja
Priority to CA002111343A priority patent/CA2111343C/fr
Priority to DE69226640T priority patent/DE69226640T2/de
Priority to PL92301887A priority patent/PL170815B1/pl
Priority to RU93058639A priority patent/RU2110399C1/ru
Priority to EP92913506A priority patent/EP0591339B1/fr
Priority to AU21927/92A priority patent/AU667816B2/en
Publication of WO1993000204A1 publication Critical patent/WO1993000204A1/fr

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

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Cosmetics (AREA)
  • Knives (AREA)

Abstract

Une lame de rasoir comprend un substrat (50) pourvu d'un bord cunéiforme se trouvant à une distance de 40 micromètres de l'extrémité aiguisée (52), et d'une couche de diamant ou d'un matériau analogue au diamant (60) délimitée par des facettes (66, 68) dont l'angle de dégagement est inférieur à dix-sept degrés, l'épaisseur de la couche étant d'au moins 1,200 angströms et la couche allant de l'extrémité aiguisée (52) dudit substrat (50) à une distance de 40 micromètres de cette extrémité (52). Le substrat comprend aussi une extrémité ultime délimitée par des facettes (62, 64) dont les longueurs sont d'au moins 0,1 micromètre environ, et qui forment un angle de dégagement d'au moins 60 degrés, le rayon de cette extrémité étant inférieur à 400 angströms environ, son rapport d'allongement étant compris entre 1:1 et 3:1, sa dureté étant d'au moins treize gigapascals et sa force de coupe de feutre de laine humide (L5) étant inférieure à 0,8 kilogramme.
PCT/US1992/004932 1991-06-24 1992-06-11 Ameliorations apportees a des lames de rasoir WO1993000204A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
KR1019930704033A KR100245979B1 (ko) 1991-06-24 1992-06-11 면도칼날과 그 형성방법 및 면도 유니트
DK92913506T DK0591339T3 (da) 1991-06-24 1992-06-11 Barberblad og fremgangsmåde til fremstilling af et barberblad
JP50151393A JP3722829B2 (ja) 1991-06-24 1992-06-11 かみそり刃に関する改良
CA002111343A CA2111343C (fr) 1991-06-24 1992-06-11 Ameliorations apportees ou relatives a des lames de rasoir
DE69226640T DE69226640T2 (de) 1991-06-24 1992-06-11 Rasierklinge und verfahren zur herstellung einer rasierklinge
PL92301887A PL170815B1 (en) 1991-06-24 1992-06-11 Method of making a safety-razor blade and safety-razor blade as such
RU93058639A RU2110399C1 (ru) 1991-11-15 1992-06-11 Способ изготовления лезвия для бритья, лезвие для бритья и бритвенный блок (варианты)
EP92913506A EP0591339B1 (fr) 1991-06-24 1992-06-11 Lame de rasoir et procede de fabrication d'un lame de rasoir
AU21927/92A AU667816B2 (en) 1991-06-24 1992-06-11 Improvements in or relating to razor blades

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
WO1993000204A1 true WO1993000204A1 (fr) 1993-01-07

Family

ID=27110143

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/004932 WO1993000204A1 (fr) 1991-06-24 1992-06-11 Ameliorations apportees a des lames de rasoir

Country Status (19)

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

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612280A1 (fr) * 1991-11-15 1994-08-31 The Gillette Company Systeme de rasage
EP0759836A1 (fr) * 1994-05-17 1997-03-05 The Gillette Company Systeme de rasage
WO2000038869A1 (fr) * 1998-12-24 2000-07-06 Koninklijke Philips Electronics N.V. Procede de fabrication d'instrument de coupe pourvu d'une couche auxiliaire
US6162249A (en) * 1998-05-29 2000-12-19 Allergan IOI for inhibiting cell growth and reducing glare
US6468306B1 (en) 1998-05-29 2002-10-22 Advanced Medical Optics, Inc IOL for inhibiting cell growth and reducing glare
WO2002100610A1 (fr) * 2001-06-12 2002-12-19 Element Six Limited Lame de rasoir a diamant cvd
WO2003006218A1 (fr) * 2001-07-11 2003-01-23 Koninklijke Philips Electronics N.V. Element tranchant pouvu d'une pointe a profil double
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
US6656222B2 (en) 1995-05-09 2003-12-02 Advanced Medical Optics, Inc. IOL for reducing secondary opacification
WO2003101683A1 (fr) * 2002-05-30 2003-12-11 Element Six Ltd Element de coupe rapporte a revetement diamant
EP1440775A1 (fr) * 1994-04-25 2004-07-28 The Gillette Company Revetement de lames au diamant amorphe
US6884262B2 (en) 1998-05-29 2005-04-26 Advanced Medical Optics, Inc. Enhanced intraocular lens for reducing glare
US9259308B2 (en) 2003-12-09 2016-02-16 Abbott Medical Optics Inc. Foldable intraocular lens and method of making
US11766797B2 (en) 2011-07-14 2023-09-26 The Gillette Company Llc Razor blades having a wide facet angle
WO2023225241A1 (fr) * 2022-05-20 2023-11-23 The Gillette Company Llc Matériau de revêtement organique non fluoré pour lame de rasoir

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6684513B1 (en) 2000-02-29 2004-02-03 The Gillette Company Razor blade technology
US20050246904A1 (en) * 2002-08-21 2005-11-10 Koninklijke Philips Electronics N.V. Cutting member having a superlattice coating
JP2009525826A (ja) * 2006-02-10 2009-07-16 エバレデイ バツテリ カンパニー インコーポレーテツド かみそり刃のための多層コーティング
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
CN106584525A (zh) * 2015-10-20 2017-04-26 余荣恺 理发剪的刀头及其制造方法
EP3372362A1 (fr) * 2017-03-08 2018-09-12 BIC-Violex S.A. Lame de rasoir
CA3173543A1 (fr) 2020-04-16 2021-10-21 The Gillette Company Llc Revetements pour lame de rasoir
EP4135951A1 (fr) 2020-04-16 2023-02-22 The Gillette Company LLC Revêtements multicouches pour lame de rasoir
JP2023518810A (ja) 2020-04-16 2023-05-08 ザ ジレット カンパニー リミテッド ライアビリティ カンパニー かみそり刃のためのコーティング
US20230373120A1 (en) 2022-05-20 2023-11-23 The Gillette Company Llc Method of coating a razor blade

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761372A (en) * 1971-07-09 1973-09-25 Gillette Co Method for producing an improved cutting tool
US3829969A (en) * 1969-07-28 1974-08-20 Gillette Co Cutting tool with alloy coated sharpened edge
US4586255A (en) * 1984-10-15 1986-05-06 The Gillette Company Razor blade assembly
US4720918A (en) * 1982-11-19 1988-01-26 Curry Francis R Razor blades
US4933058A (en) * 1986-01-23 1990-06-12 The Gillette Company Formation of hard coatings on cutting edges

Family Cites Families (6)

* 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
US3802078A (en) * 1971-06-07 1974-04-09 P Denes Cutting device and method for making same
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"
JP3439761B2 (ja) * 1991-04-26 2003-08-25 ザ ジレット カンパニー かみそり刃に関する改良

Patent Citations (5)

* 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
US3761372A (en) * 1971-07-09 1973-09-25 Gillette Co Method for producing an improved cutting tool
US4720918A (en) * 1982-11-19 1988-01-26 Curry Francis R Razor blades
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

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612280A1 (fr) * 1991-11-15 1994-08-31 The Gillette Company Systeme de rasage
EP0612280A4 (fr) * 1991-11-15 1995-01-04 Gillette Co Systeme de rasage.
US5497550A (en) * 1991-11-15 1996-03-12 The Gillette Company Shaving system
EP1440775A1 (fr) * 1994-04-25 2004-07-28 The Gillette Company Revetement de lames au diamant amorphe
EP0759836A1 (fr) * 1994-05-17 1997-03-05 The Gillette Company Systeme de rasage
EP0759836A4 (fr) * 1994-05-17 1997-11-05 Gillette Co Systeme de rasage
US6656222B2 (en) 1995-05-09 2003-12-02 Advanced Medical Optics, Inc. IOL for reducing secondary opacification
US6162249A (en) * 1998-05-29 2000-12-19 Allergan IOI for inhibiting cell growth and reducing glare
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
WO2000038869A1 (fr) * 1998-12-24 2000-07-06 Koninklijke Philips Electronics N.V. Procede de fabrication d'instrument de coupe pourvu d'une couche auxiliaire
WO2002100610A1 (fr) * 2001-06-12 2002-12-19 Element Six Limited Lame de rasoir a diamant cvd
WO2003006218A1 (fr) * 2001-07-11 2003-01-23 Koninklijke Philips Electronics N.V. Element tranchant pouvu d'une pointe a profil double
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
WO2003101683A1 (fr) * 2002-05-30 2003-12-11 Element Six Ltd Element de coupe rapporte a revetement diamant
US9259308B2 (en) 2003-12-09 2016-02-16 Abbott Medical Optics Inc. Foldable intraocular lens and method of making
US9737396B2 (en) 2003-12-09 2017-08-22 Abbott Medical Optics Inc. Foldable intraocular lens and method of making
US10028822B2 (en) 2003-12-09 2018-07-24 Johnson & Johnson Surgical Vision, Inc. Foldable intraocular lens and method of making
US10420639B2 (en) 2003-12-09 2019-09-24 Johnson & Johnson Surgical Vision, Inc. Foldable intraocular lens and method of making
US11766797B2 (en) 2011-07-14 2023-09-26 The Gillette Company Llc Razor blades having a wide facet angle
WO2023225241A1 (fr) * 2022-05-20 2023-11-23 The Gillette Company Llc Matériau de revêtement organique non fluoré pour lame de rasoir

Also Published As

Publication number Publication date
TR27155A (tr) 1994-11-09
DK0591339T3 (da) 1999-02-15
CN1039793C (zh) 1998-09-16
MA22561A1 (fr) 1992-12-31
TW215423B (fr) 1993-11-01
JPH07503377A (ja) 1995-04-13
MX9203147A (es) 1993-02-01
EP0591339A4 (fr) 1994-08-31
ATE169547T1 (de) 1998-08-15
CN1068990A (zh) 1993-02-17
PL170815B1 (en) 1997-01-31
AU667816B2 (en) 1996-04-18
DE69226640D1 (de) 1998-09-17
DE69226640T2 (de) 1999-03-18
CZ289093A3 (en) 1995-04-12
EP0591339A1 (fr) 1994-04-13
KR100245979B1 (ko) 2000-05-01
MY110072A (en) 1997-12-31
ES2118821T3 (es) 1998-10-01
CA2111343C (fr) 1998-07-28
CZ286598B6 (cs) 2000-05-17
EP0591339B1 (fr) 1998-08-12
EG19616A (en) 1995-07-27
JP3722829B2 (ja) 2005-11-30
CA2111343A1 (fr) 1993-01-07
AU2192792A (en) 1993-01-25

Similar Documents

Publication Publication Date Title
US5669144A (en) Razor blade technology
EP0591339B1 (fr) Lame de rasoir et procede de fabrication d'un lame de rasoir
US5295305A (en) Razor blade technology
US5232568A (en) Razor technology
US5142785A (en) Razor technology
EP0582676B1 (fr) Ameliorations concernant les lames de rasoir
US5048191A (en) Razor blade technology
US6289593B1 (en) Amorphous diamond coating of blades
US7966909B2 (en) Process of forming a razor blade
WO1991014548A1 (fr) Technologie concernant les lames de rasoir
WO1992017323A1 (fr) Objet tranchant dote d'un revetement

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AT AU BB BG BR CA CH CS DE DK ES FI GB HU JP KP KR LK LU MG MN MW NL NO PL RO RU SD SE

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LU MC NL SE BF BJ CF CG CI CM GA GN ML MR SN TD TG

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2111343

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 1992913506

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: PV1993-2890

Country of ref document: CZ

Ref document number: 1019930704033

Country of ref document: KR

WWP Wipo information: published in national office

Ref document number: 1992913506

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWP Wipo information: published in national office

Ref document number: PV1993-2890

Country of ref document: CZ

WWG Wipo information: grant in national office

Ref document number: 1992913506

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: PV1993-2890

Country of ref document: CZ