GB416725A - Insulated electrical conductors - Google Patents
Insulated electrical conductorsInfo
- Publication number
- GB416725A GB416725A GB800933A GB800933A GB416725A GB 416725 A GB416725 A GB 416725A GB 800933 A GB800933 A GB 800933A GB 800933 A GB800933 A GB 800933A GB 416725 A GB416725 A GB 416725A
- Authority
- GB
- United Kingdom
- Prior art keywords
- insulating layer
- layer
- impregnated
- conductor
- electrical conductors
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/16—Rigid-tube cables
Landscapes
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
416,725. Cables. TELEGRAPH CONSTRUCTION & MAINTENANCE CO., Ltd., 38, Old Broad Street, London, and RANDALL, W. F., Stretton, Queensmead Avenue, Ewell, Surrey. March 16, 1933, No. 8009. [Class 36.] To prevent absorption of moisture by the insulating layer of a cable comprising a conductor surrounded by a metallic tube or casing and insulated therefrom by a layer of finely divided magnesium oxide, the insulating layer is impregnated with an oleaginous or greasy material, preferably a petroleum hydrocarbon such as transformer oil, petroleum jelly or wax. The layer may be impregnated at the ends of the conductor only. Vegetable, mineral, or neutral oils, either alone or in admixture with rubber or resin, are other materials which may be employed for impregnating the insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB800933A GB416725A (en) | 1933-03-16 | 1933-03-16 | Insulated electrical conductors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB800933A GB416725A (en) | 1933-03-16 | 1933-03-16 | Insulated electrical conductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB416725A true GB416725A (en) | 1934-09-17 |
Family
ID=9844021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB800933A Expired GB416725A (en) | 1933-03-16 | 1933-03-16 | Insulated electrical conductors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB416725A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512827A (en) * | 1981-09-21 | 1985-04-23 | Associated Electrical Industries Limited | Method of manufacturing mineral insulated electric cable and like elements |
-
1933
- 1933-03-16 GB GB800933A patent/GB416725A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512827A (en) * | 1981-09-21 | 1985-04-23 | Associated Electrical Industries Limited | Method of manufacturing mineral insulated electric cable and like elements |
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