GB1230567A - - Google Patents
Info
- Publication number
- GB1230567A GB1230567A GB3360667A GB1230567DA GB1230567A GB 1230567 A GB1230567 A GB 1230567A GB 3360667 A GB3360667 A GB 3360667A GB 1230567D A GB1230567D A GB 1230567DA GB 1230567 A GB1230567 A GB 1230567A
- Authority
- GB
- United Kingdom
- Prior art keywords
- copolymer
- fluoride
- blade
- plasticised
- july
- 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
- 229920001577 copolymer Polymers 0.000 abstract 8
- CGGOSOWMVCMITL-UHFFFAOYSA-N 1-chloro-1,2,2-trifluoroethene;1,1,2,3,3,3-hexafluoroprop-1-ene Chemical group FC(F)=C(F)Cl.FC(F)=C(F)C(F)(F)F CGGOSOWMVCMITL-UHFFFAOYSA-N 0.000 abstract 1
- GJEYOMRYFSEJBX-UHFFFAOYSA-N 2,2,2-trifluoroethanethioyl fluoride Chemical compound FC(=S)C(F)(F)F GJEYOMRYFSEJBX-UHFFFAOYSA-N 0.000 abstract 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- FOCAHLGSDWHSAH-UHFFFAOYSA-N difluoromethanethione Chemical compound FC(F)=S FOCAHLGSDWHSAH-UHFFFAOYSA-N 0.000 abstract 1
- UXPOJVLZTPGWFX-UHFFFAOYSA-N pentafluoroethyl iodide Chemical compound FC(F)(F)C(F)(F)I UXPOJVLZTPGWFX-UHFFFAOYSA-N 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 abstract 1
- -1 thiocarbonyl chloro fluoride Chemical compound 0.000 abstract 1
- BPXRXDJNYFWRDI-UHFFFAOYSA-N trifluoro(trifluoromethylperoxy)methane Chemical compound FC(F)(F)OOC(F)(F)F BPXRXDJNYFWRDI-UHFFFAOYSA-N 0.000 abstract 1
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
1,230,567. Coated razor blades. WILKINSON SWORD Ltd. 19 July, 1968 [21 July, 1967], No. 33606/67. Heading B2E. A razor blade has on and/or adjacent its cutting edge a coating of or containing a copolymer of thiocarbonyl fluoride and tetrafluoroethylene. The copolymer may consist of chains of the general formula:- where x, y and z are integers not greater than twenty. The copolymers may have a molecular ratio CF 2 S:C 2 F 4 of from 2:1 to 1:30. The copolymer may be plasticised e.g. with chlorofluorocarbon oil or a perfluorocarbon oil. The copolymer is deposited e.g. as a suspension or solution on the blade and is thereafter heated to cause the copolymer to adhere. The copolymer may be plasticised by reheating the coated blade in contact with a plasticiser. The copolymer may also contain small proportions of groups derived from thiocarbonyl chloro fluoride, perfluorothioacetyl fluoride, hexafluoropropylene chloro trifluoroethylene, perfluoroethyliodide, or bis trifluoromethyl peroxide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3360667 | 1967-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1230567A true GB1230567A (en) | 1971-05-05 |
Family
ID=10355110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3360667A Expired GB1230567A (en) | 1967-07-21 | 1967-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1230567A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234692A (en) * | 2017-02-13 | 2019-09-13 | 吉列有限责任公司 | Razor blade |
| US11338321B2 (en) | 2019-05-09 | 2022-05-24 | The Gillette Company Llc | Method for modifying coated razor blade edges |
| US11806886B2 (en) | 2017-02-13 | 2023-11-07 | The Gillette Company Llc | Razor blades |
-
1967
- 1967-07-21 GB GB3360667A patent/GB1230567A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234692A (en) * | 2017-02-13 | 2019-09-13 | 吉列有限责任公司 | Razor blade |
| CN110234692B (en) * | 2017-02-13 | 2021-12-21 | 吉列有限责任公司 | Razor blade |
| US11806886B2 (en) | 2017-02-13 | 2023-11-07 | The Gillette Company Llc | Razor blades |
| US12304096B2 (en) | 2017-02-13 | 2025-05-20 | The Gillette Company Llc | Razor blades |
| US11338321B2 (en) | 2019-05-09 | 2022-05-24 | The Gillette Company Llc | Method for modifying coated razor blade edges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |