EG19616A - Improvements in or relating to razor blades - Google Patents
Improvements in or relating to razor bladesInfo
- Publication number
- EG19616A EG19616A EG33092A EG33092A EG19616A EG 19616 A EG19616 A EG 19616A EG 33092 A EG33092 A EG 33092A EG 33092 A EG33092 A EG 33092A EG 19616 A EG19616 A EG 19616A
- Authority
- EG
- Egypt
- Prior art keywords
- tip
- less
- facets
- diamond
- sharpened tip
- Prior art date
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)
- Cosmetics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Knives (AREA)
Abstract
A razor blade includes a substrate (50) with a wedge-shaped edge at a distance of forty micrometers from the sharpened tip (52), and a layer of diamond or diamond-like material (60) defined by facets (66, 68) that have an included angle of less than seventeen degrees that has a thickness of at least twelve hundred angstroms from the sharpened tip (52) of said substrate (50) to a distance of forty micrometer from the sharpened tip (52), and an ultimate tip defined by facets (62, 64) that have lengths of at least about 0.1 micrometer and define an included angle of at least sixty degrees, and that defines a tip radius of less than about 400 angstroms, an aspect ratio in the range of 1:1-3:1, a hardness of at least thirteen gigapascals and an L5 wet wool felt cutter force of less than 0.8 kilogram.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/719,793 US5232568A (en) | 1991-06-24 | 1991-06-24 | Razor technology |
| US79242791A | 1991-11-15 | 1991-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EG19616A true EG19616A (en) | 1995-07-27 |
Family
ID=27110143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EG33092A EG19616A (en) | 1991-06-24 | 1992-06-23 | Improvements in or relating to razor blades |
Country Status (19)
| Country | Link |
|---|---|
| EP (1) | EP0591339B1 (en) |
| JP (1) | JP3722829B2 (en) |
| KR (1) | KR100245979B1 (en) |
| CN (1) | CN1039793C (en) |
| AT (1) | ATE169547T1 (en) |
| AU (1) | AU667816B2 (en) |
| CA (1) | CA2111343C (en) |
| CZ (1) | CZ286598B6 (en) |
| DE (1) | DE69226640T2 (en) |
| DK (1) | DK0591339T3 (en) |
| EG (1) | EG19616A (en) |
| ES (1) | ES2118821T3 (en) |
| MA (1) | MA22561A1 (en) |
| MX (1) | MX9203147A (en) |
| MY (1) | MY110072A (en) |
| PL (1) | PL170815B1 (en) |
| TR (1) | TR27155A (en) |
| TW (1) | TW215423B (en) |
| WO (1) | WO1993000204A1 (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA928617B (en) * | 1991-11-15 | 1993-05-11 | Gillette Co | Shaving system. |
| CA2188022C (en) * | 1994-04-25 | 2006-08-15 | Thomas G. Decker | Amorphous diamond coating of blades |
| 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 |
| 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 |
| US6468306B1 (en) | 1998-05-29 | 2002-10-22 | Advanced Medical Optics, Inc | IOL for inhibiting cell growth and reducing glare |
| EP1058592B1 (en) * | 1998-12-24 | 2003-10-01 | Koninklijke Philips Electronics N.V. | Method of manufacturing a cutting member having an auxiliary layer |
| 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 |
| CN1282530C (en) * | 2001-07-11 | 2006-11-01 | 皇家菲利浦电子有限公司 | 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 |
| EP1531974B1 (en) * | 2002-08-21 | 2008-08-27 | Koninklijke Philips Electronics N.V. | Shaving device with a cutting member having a superlattice coating |
| BRPI0417503B1 (en) | 2003-12-09 | 2015-07-21 | Abbott Medical Optics Inc | Folding Intraocular Lens |
| 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 (en) * | 2015-10-20 | 2017-04-26 | 余荣恺 | Cutter head of hair scissors and manufacturing method of cutter head |
| EP3372362A1 (en) * | 2017-03-08 | 2018-09-12 | BIC-Violex S.A. | Razor blade |
| AU2021255960B2 (en) | 2020-04-16 | 2024-02-22 | The Gillette Company Llc | Coatings for a razor blade |
| EP4135951A1 (en) | 2020-04-16 | 2023-02-22 | The Gillette Company LLC | Multi-layer coatings for a razor blade |
| US11794366B2 (en) | 2020-04-16 | 2023-10-24 | The Gillette Company Llc | Coatings for a razor blade |
| US20230373119A1 (en) | 2022-05-20 | 2023-11-23 | The Gillette Company Llc | Non-fluorinated organic coating material for a razor blade |
| US20230373121A1 (en) | 2022-05-20 | 2023-11-23 | The Gillette Company Llc | Non-fluorinated organic coating material for a razor blade |
| DE102022213666A1 (en) * | 2022-12-14 | 2024-06-20 | Wmf Gmbh | Cutting blade and method for its manufacture |
Family Cites Families (11)
| 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 (en) * | 1980-12-19 | 1982-07-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Cutting tools, esp. razor blades - where CVD activated by plasma is used to coat tool with carbon possessing structure similar to diamond |
| BR8307616A (en) * | 1982-11-19 | 1984-10-02 | Gillette Co | SHAVING 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 |
| HUT69255A (en) * | 1991-04-26 | 1995-08-28 | Gillette Co | Recapped razor blades |
-
1992
- 1992-06-11 CZ CZ19932890A patent/CZ286598B6/en not_active IP Right Cessation
- 1992-06-11 DE DE69226640T patent/DE69226640T2/en not_active Expired - Lifetime
- 1992-06-11 EP EP92913506A patent/EP0591339B1/en not_active Expired - Lifetime
- 1992-06-11 ES ES92913506T patent/ES2118821T3/en not_active Expired - Lifetime
- 1992-06-11 AT AT92913506T patent/ATE169547T1/en not_active IP Right Cessation
- 1992-06-11 PL PL92301887A patent/PL170815B1/en unknown
- 1992-06-11 KR KR1019930704033A patent/KR100245979B1/en not_active IP Right Cessation
- 1992-06-11 CA CA002111343A patent/CA2111343C/en not_active Expired - Fee Related
- 1992-06-11 DK DK92913506T patent/DK0591339T3/en active
- 1992-06-11 AU AU21927/92A patent/AU667816B2/en not_active Ceased
- 1992-06-11 WO PCT/US1992/004932 patent/WO1993000204A1/en active IP Right Grant
- 1992-06-11 JP JP50151393A patent/JP3722829B2/en not_active Expired - Lifetime
- 1992-06-16 MY MYPI92001025A patent/MY110072A/en unknown
- 1992-06-22 MA MA22851A patent/MA22561A1/en unknown
- 1992-06-23 EG EG33092A patent/EG19616A/en active
- 1992-06-23 MX MX9203147A patent/MX9203147A/en unknown
- 1992-06-23 TR TR00581/92A patent/TR27155A/en unknown
- 1992-06-24 CN CN92105085.2A patent/CN1039793C/en not_active Expired - Lifetime
- 1992-06-24 TW TW081104972A patent/TW215423B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1039793C (en) | 1998-09-16 |
| WO1993000204A1 (en) | 1993-01-07 |
| DE69226640T2 (en) | 1999-03-18 |
| ES2118821T3 (en) | 1998-10-01 |
| CZ286598B6 (en) | 2000-05-17 |
| CA2111343C (en) | 1998-07-28 |
| JPH07503377A (en) | 1995-04-13 |
| CA2111343A1 (en) | 1993-01-07 |
| ATE169547T1 (en) | 1998-08-15 |
| DE69226640D1 (en) | 1998-09-17 |
| AU667816B2 (en) | 1996-04-18 |
| CZ289093A3 (en) | 1995-04-12 |
| EP0591339A1 (en) | 1994-04-13 |
| AU2192792A (en) | 1993-01-25 |
| JP3722829B2 (en) | 2005-11-30 |
| MY110072A (en) | 1997-12-31 |
| TW215423B (en) | 1993-11-01 |
| TR27155A (en) | 1994-11-09 |
| CN1068990A (en) | 1993-02-17 |
| EP0591339B1 (en) | 1998-08-12 |
| DK0591339T3 (en) | 1999-02-15 |
| PL170815B1 (en) | 1997-01-31 |
| EP0591339A4 (en) | 1994-08-31 |
| KR100245979B1 (en) | 2000-05-01 |
| MA22561A1 (en) | 1992-12-31 |
| MX9203147A (en) | 1993-02-01 |
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