GB345330A - Improvements in the insulation of electric cables - Google Patents
Improvements in the insulation of electric cablesInfo
- Publication number
- GB345330A GB345330A GB3860529A GB3860529A GB345330A GB 345330 A GB345330 A GB 345330A GB 3860529 A GB3860529 A GB 3860529A GB 3860529 A GB3860529 A GB 3860529A GB 345330 A GB345330 A GB 345330A
- Authority
- GB
- United Kingdom
- Prior art keywords
- selenium
- cable
- asbestos
- coating
- loudon
- 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
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
- H01B3/082—Wires with glass or glass wool
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Ropes Or Cables (AREA)
Abstract
345,330. Fireproofing. LOUDON, N. M. and LOUDON ELECTRIC WIRE CO. & SMITHS, Ltd., 7, Playhouse Yard, Golden Lane, London. Dec. 17, 1929, No. 38605. [Class 140.] An electric cable, more particularly of the type insulated with rubber, bitumen, or the like, is rendered fireproof by coating the insulation with selenium. The selenium coating may be applied to a layer of asbestos, yarn or fibre formed on the insulated cable; the asbestos, which may be admixed with cotton, jute, wool or waste silk, may be applied in the form of a braid and treated with a binder, such as a silicate, gum, resin, gelatine, casein, starch, dextrine, a cellulose ester or ether (excepting cellulose nitrate), either alone or with a plasticizer. The selenium may be mixed with an inert base, such as zinc oxide, kieselguhr, or powdered asbestos, talc, chalk and pumice. The selenium coating may be protected by an outer sheath of textile material impregnated with gelatine or a cellulose ester or ether, other than cellulose nitrate. In the apparatus shown for fireproofing cables, the cable to be treated is drawn from a drum I through an asbestos coating machine 2, under a device 3 which applies a binding agent, and thence through a tank 4 containing powdered selenium and zinc oxide, a paddle 5 being rotated within the tank to create a cloud of the mixture, which settles uniformly on the cable. The cable then traverses a polishing device 6 comprising a plurality of rotating pressure plates, and passes to a take-off wheel 7 and a receiving drum 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3860529A GB345330A (en) | 1929-12-17 | 1929-12-17 | Improvements in the insulation of electric cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3860529A GB345330A (en) | 1929-12-17 | 1929-12-17 | Improvements in the insulation of electric cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB345330A true GB345330A (en) | 1931-03-17 |
Family
ID=10404532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3860529A Expired GB345330A (en) | 1929-12-17 | 1929-12-17 | Improvements in the insulation of electric cables |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB345330A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025296A (en) * | 2018-08-22 | 2018-12-18 | 上海中绿建材有限公司 | A kind of lightweight plastering gupsum and facing putty integrated construction technique |
-
1929
- 1929-12-17 GB GB3860529A patent/GB345330A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025296A (en) * | 2018-08-22 | 2018-12-18 | 上海中绿建材有限公司 | A kind of lightweight plastering gupsum and facing putty integrated construction technique |
| CN109025296B (en) * | 2018-08-22 | 2021-04-23 | 上海中绿建材有限公司 | Integrated construction process of light plastering gypsum and facing putty |
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