GB906005A - Razor blade and method of making same - Google Patents
Razor blade and method of making sameInfo
- Publication number
- GB906005A GB906005A GB44051/60A GB4405160A GB906005A GB 906005 A GB906005 A GB 906005A GB 44051/60 A GB44051/60 A GB 44051/60A GB 4405160 A GB4405160 A GB 4405160A GB 906005 A GB906005 A GB 906005A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dispersion
- fluorocarbon polymer
- groups
- volatile liquid
- solid
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/60—Deposition of organic layers from vapour phase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/14—Polytetrafluoroethylene, i.e. PTFE
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Knives (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Dry Shavers And Clippers (AREA)
- Paints Or Removers (AREA)
Abstract
The cutting edge of a safety razor blade is coated with a solid fluorocarbon polymer as defined. The coating is baked. The blade may be made of hardened carbon or stainless steel, other metals or metal alloys. The fluorocarbon polymers, which are solid polymers containing a plurality of (-CF2-CF2-) groups with or without terminal carboxyl groups, hydrogen and chlorine atoms, e.g. P.T.F.E., may be applied by sublimation, electrophoresis from charged liquid dispersions thereof, dipping in a dispersion of the particulate fluorocarbon polymer in a volatile liquid or spraying or brushing such dispersions. The volatile liquid may be water, dichlorodifluoromethane, dichlorotetrafluoroethane, trichlorotrifluoroethane and mixtures thereof. In the examples, steel blades are washed and dried and then coated by one of the above methods. If a dispersion is used then the volatile liquid is evaporated before carrying out the baking step. The baking step may be carried out simultaneously with the depositing step.ALSO:A dispersion of solid fluorocarbon polymer, as defined, p contains as dispersing agent water, dichlorodifluoromethane, dichlorotetrafluoroethane, trichlorotrifluoroethane or mixtures thereof. The fluorocarbon polymer contains a plurality of (-CF2-CF2-) groups with or without terminal carboxyl groups, hydrogen and chlorine atoms, e.g. P.T.F.E. The dispersion is used to coat razor blades.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US863109A US3071856A (en) | 1959-12-31 | 1959-12-31 | Razor blade and method of making same |
Publications (1)
Publication Number | Publication Date |
---|---|
GB906005A true GB906005A (en) | 1962-09-19 |
Family
ID=25340276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB44051/60A Expired GB906005A (en) | 1959-12-31 | 1960-12-22 | Razor blade and method of making same |
Country Status (14)
Country | Link |
---|---|
US (1) | US3071856A (en) |
BE (1) | BE598698A (en) |
CH (1) | CH402655A (en) |
CY (1) | CY300A (en) |
DE (1) | DE1147141B (en) |
DK (1) | DK110230C (en) |
DO (1) | DOP1960000898A (en) |
FR (1) | FR1299519A (en) |
GB (1) | GB906005A (en) |
LU (1) | LU39590A1 (en) |
MY (1) | MY6500029A (en) |
NL (2) | NL123398C (en) |
OA (1) | OA00177A (en) |
SE (1) | SE191482C1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5263256A (en) * | 1992-04-17 | 1993-11-23 | The Gillette Company | Method of treating razor blade cutting edges |
US6228428B1 (en) | 1991-10-28 | 2001-05-08 | The Gillette Company | Coating cutting edges with fluorocarbon polymers |
US8053081B2 (en) | 2007-04-04 | 2011-11-08 | Aculon, Inc. | Cutting tool |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3224094A (en) * | 1962-10-04 | 1965-12-21 | Philip Morris Inc | Polyethylene coated blades and process for their production |
US3345202A (en) * | 1963-06-10 | 1967-10-03 | Eversharp Inc | Method of making razor blades |
DE1204106B (en) * | 1963-06-10 | 1965-10-28 | Eversharp Inc | razor blade |
US3518110A (en) * | 1964-07-23 | 1970-06-30 | Gillette Co | Razor blade and method of making same |
US3372218A (en) * | 1964-09-30 | 1968-03-05 | Du Pont | Melt-spinning polyester filaments |
GB1127633A (en) * | 1964-10-23 | 1968-09-18 | Laura Noss | Improvements in and relating to coated razor blades |
US3415206A (en) * | 1965-03-31 | 1968-12-10 | Reisman Howard | Pretzel forming |
US3480483A (en) * | 1965-05-06 | 1969-11-25 | Wilkinson Sword Ltd | Razor blades and methods of manufacture thereof |
DD63018A (en) * | 1966-03-16 | |||
US3652342A (en) * | 1967-06-07 | 1972-03-28 | Gillette Co | Razor blades and processes for the preparation thereof |
US3635811A (en) * | 1967-11-06 | 1972-01-18 | Warner Lambert Co | Method of applying a coating |
NL133264C (en) * | 1968-02-01 | |||
US4333467A (en) * | 1979-12-12 | 1982-06-08 | Corning Glass Works | Nonstick conductive coating |
US4314559A (en) * | 1979-12-12 | 1982-02-09 | Corning Glass Works | Nonstick conductive coating |
JPH068503B2 (en) * | 1987-03-31 | 1994-02-02 | セントラル硝子株式会社 | Method for forming fluorine-containing resin coating |
AU625072B2 (en) * | 1988-07-13 | 1992-07-02 | Warner-Lambert Company | Shaving razors |
JPH0620464B2 (en) * | 1989-04-03 | 1994-03-23 | 信越化学工業株式会社 | Medical incision, press-fitting device and method of manufacturing the same |
US4972968A (en) * | 1989-07-25 | 1990-11-27 | American Safety Razor Company | Two-piece dispenser for double-edge razor blades |
US5101565A (en) * | 1991-03-01 | 1992-04-07 | The Gillette Company | Razor blades |
GB9122800D0 (en) * | 1991-10-28 | 1991-12-11 | Gillette Co | Coating cutting edges with fluorocarbon polymers |
GB9311034D0 (en) * | 1993-05-28 | 1993-07-14 | Gillette Co | Method of coating cutting edges |
US5645894A (en) * | 1996-01-17 | 1997-07-08 | The Gillette Company | Method of treating razor blade cutting edges |
US5985459A (en) * | 1996-10-31 | 1999-11-16 | The Gillette Company | Method of treating razor blade cutting edges |
US5980637A (en) * | 1996-12-20 | 1999-11-09 | Steag Rtp Systems, Inc. | System for depositing a material on a substrate using light energy |
CA2220443A1 (en) | 1997-01-17 | 1998-07-17 | Warner-Lambert Company | Reduced frction razor head |
GB9805102D0 (en) | 1998-03-10 | 1998-05-06 | Ciba Geigy Ag | Device |
US6174651B1 (en) | 1999-01-14 | 2001-01-16 | Steag Rtp Systems, Inc. | Method for depositing atomized materials onto a substrate utilizing light exposure for heating |
US20070124944A1 (en) * | 2005-11-30 | 2007-06-07 | Eveready Battery Company, Inc. | Razor blade and method of making it |
US8642122B2 (en) | 2009-01-12 | 2014-02-04 | The Gillette Company | Formation of thin uniform coatings on blade edges using isostatic press |
US8628821B2 (en) | 2009-01-12 | 2014-01-14 | The Gillette Company | Formation of thin uniform coatings on blade edges using isostatic press |
KR101673499B1 (en) | 2009-10-22 | 2016-11-07 | 빅-비올렉스 에스아 | Method of forming a lubricating coating on a razor blade, such a razor blade and razor blade coating system |
SG11201610386PA (en) | 2014-07-01 | 2017-01-27 | Gillette Company Llc | Method of treating razor blade cutting edges |
US10011030B1 (en) | 2017-02-13 | 2018-07-03 | The Gillette Company Llc | Razor blades |
US20180230320A1 (en) | 2017-02-13 | 2018-08-16 | The Gillette Company Llc | Razor blades |
US10766157B2 (en) | 2017-02-13 | 2020-09-08 | The Gillette Company Llc | Razor blades |
US11613719B2 (en) | 2018-09-24 | 2023-03-28 | Becton, Dickinson And Company | Self-lubricating medical articles |
US11338321B2 (en) | 2019-05-09 | 2022-05-24 | The Gillette Company Llc | Method for modifying coated razor blade edges |
EP4208320A1 (en) * | 2020-09-03 | 2023-07-12 | BIC Violex Single Member S.A. | Methods and systems for forming a blade of a shaving device |
US20230314470A1 (en) | 2022-03-31 | 2023-10-05 | The Gillette Company Llc | Blade edge tip measurement |
US20240051167A1 (en) * | 2022-08-10 | 2024-02-15 | The Gillette Company Llc | Method of treating razor blade cutting edges |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2292417A (en) * | 1939-02-01 | 1942-08-11 | Richard F Grant | Razor blade |
GB565640A (en) * | 1943-05-15 | 1944-11-20 | John Ferdinand Kayser | Fine edged cutting implements and the manufacture thereof |
US2408790A (en) * | 1944-05-16 | 1946-10-08 | Edward L Mack | Razor blade and other cutting tools |
US2562162A (en) * | 1947-05-14 | 1951-07-31 | Gray Irene Carol | Razor blade conditioning |
GB690031A (en) * | 1949-08-23 | 1953-04-08 | Mini Of Supply | Coating surfaces with polytetrafluoroethylene |
US2703451A (en) * | 1950-03-04 | 1955-03-08 | Hensel Herman Struve | Cutting instrument having means for indicating usage |
US2662065A (en) * | 1951-05-10 | 1953-12-08 | Du Pont | Process for obtaining dispersions of polyfluorethylenes |
US2707157A (en) * | 1952-01-14 | 1955-04-26 | Dow Chemical Co | Asphalt-impregnated linoleum-type articles and method of making same |
US2699407A (en) * | 1952-08-26 | 1955-01-11 | Sherwin Williams Co | Resinous composition method of coating metals therewith to increase hightemperature resistance thereof and article produced thereby |
GB718941A (en) * | 1953-01-15 | 1954-11-24 | Jeyaretnam Thillaimuthu | Graphitization of razor blades and like implements |
GB765104A (en) * | 1954-04-15 | 1957-01-02 | S & R J Everett & Co Ltd | Improvements relating to surgical and like needles |
US2814296A (en) * | 1954-04-15 | 1957-11-26 | S & R J Everett & Co Ltd | Surgical needles |
US2855669A (en) * | 1954-04-28 | 1958-10-14 | Nicolet Ind Inc | Coated cut-off saw for asbestos articles |
US2893900A (en) * | 1956-01-09 | 1959-07-07 | Eugene S Machlin | Process of condensing polytetrafluoroethylene vapors onto a substrate and sintering the condensate |
GB803479A (en) * | 1956-08-06 | 1958-10-29 | Midland Silicones Ltd | Vinylic type organosilicon compounds |
NL242055A (en) * | 1958-11-25 | 1900-01-01 |
-
0
- NL NL259570D patent/NL259570A/xx unknown
- NL NL123398D patent/NL123398C/xx active
- LU LU39590D patent/LU39590A1/xx unknown
- BE BE598698D patent/BE598698A/xx unknown
-
1959
- 1959-12-31 US US863109A patent/US3071856A/en not_active Expired - Lifetime
-
1960
- 1960-12-22 GB GB44051/60A patent/GB906005A/en not_active Expired
- 1960-12-27 FR FR848021A patent/FR1299519A/en not_active Expired
- 1960-12-28 DE DEG31256A patent/DE1147141B/en active Pending
- 1960-12-29 DO DO1960000898A patent/DOP1960000898A/en unknown
- 1960-12-30 CH CH1458860A patent/CH402655A/en unknown
- 1960-12-30 SE SE1267860A patent/SE191482C1/en unknown
- 1960-12-30 DK DK518260AA patent/DK110230C/en active
-
1964
- 1964-07-29 OA OA50220A patent/OA00177A/en unknown
- 1964-11-07 CY CY20064A patent/CY300A/en unknown
-
1965
- 1965-12-30 MY MY29/65A patent/MY6500029A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6228428B1 (en) | 1991-10-28 | 2001-05-08 | The Gillette Company | Coating cutting edges with fluorocarbon polymers |
US5263256A (en) * | 1992-04-17 | 1993-11-23 | The Gillette Company | Method of treating razor blade cutting edges |
US8053081B2 (en) | 2007-04-04 | 2011-11-08 | Aculon, Inc. | Cutting tool |
Also Published As
Publication number | Publication date |
---|---|
DOP1960000898A (en) | 1966-02-11 |
US3071856A (en) | 1963-01-08 |
OA00177A (en) | 1966-03-15 |
SE191482C1 (en) | 1964-09-15 |
BE598698A (en) | |
NL259570A (en) | |
DK110230C (en) | 1972-03-27 |
NL123398C (en) | |
MY6500029A (en) | 1965-12-31 |
FR1299519A (en) | 1962-07-27 |
CH402655A (en) | 1965-11-15 |
CY300A (en) | 1964-11-07 |
DE1147141B (en) | 1963-04-11 |
LU39590A1 (en) |
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