GB502518A - Improvements in and relating to methods of insulating electric conductors - Google Patents
Improvements in and relating to methods of insulating electric conductorsInfo
- Publication number
- GB502518A GB502518A GB12724/38A GB1272438A GB502518A GB 502518 A GB502518 A GB 502518A GB 12724/38 A GB12724/38 A GB 12724/38A GB 1272438 A GB1272438 A GB 1272438A GB 502518 A GB502518 A GB 502518A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyvinyl
- water
- wire
- april
- insulating
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
Abstract
502,518. Coating wire. BRITISH THOMSON-HOUSTON CO., Ltd. April 28, 1938, No. 12724. Convention date, April 30, 1937. [Class 95] An electric conductor is insulated with a synthetic plastic material by passing it through a hot solution of the insulating-material in a water-miscible solvent, e.g. acetonyl acetone or dioxane, then through a bath of water to extract the' solvent and finally through a drying oven. In a modification, water-immiscible alcohol-soluble solvents such as fenchone are used and the coated conductor is treated with an alcohol. The plastic material may be, a cellulose derivative, e.g. nitrocellulose, cellulose acetate or ethyl cellulose, a polyvinyl halide such as polyvinyl chloride, a polyvinyl ester, or the reaction product of formaldehyde with hydrolysed polyvinyl acetate. The example describes the use of a composition comprising polyvinyl chloride, triphenyl phosphate, white lead and asbestine. The insulating material may be applied to bare wire or to wire insulated for example with rubber. Pigments may be added to the coating composition.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US502518XA | 1937-04-30 | 1937-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB502518A true GB502518A (en) | 1939-03-20 |
Family
ID=21964208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12724/38A Expired GB502518A (en) | 1937-04-30 | 1938-04-28 | Improvements in and relating to methods of insulating electric conductors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB502518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975938C (en) * | 1939-06-30 | 1962-12-13 | Kabelwerk Vacha Ag | Insulated electrical line with a bundle of conductors surrounded by a common insulating sleeve |
-
1938
- 1938-04-28 GB GB12724/38A patent/GB502518A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975938C (en) * | 1939-06-30 | 1962-12-13 | Kabelwerk Vacha Ag | Insulated electrical line with a bundle of conductors surrounded by a common insulating sleeve |
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