GB190325853A - Improvements in Insulating Material for Electric Conductors. - Google Patents
Improvements in Insulating Material for Electric Conductors.Info
- Publication number
- GB190325853A GB190325853A GB190325853DA GB190325853A GB 190325853 A GB190325853 A GB 190325853A GB 190325853D A GB190325853D A GB 190325853DA GB 190325853 A GB190325853 A GB 190325853A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cryolite
- soapstone
- high enough
- electric conductors
- 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
Landscapes
- Inorganic Insulating Materials (AREA)
Abstract
25,853. British Thomson-Houston Co., [General Electric Co.]. Nov. 26. Insulating - compositions for electric conductors, suitable also for protecting electrical apparatus from heat, making insulating-supports, panels of switches, arc chutes of controllers, and other purposes, consist of soapstone, clay, or other refractory adulterant, and cryolite, finely ground, mixed together in a moist condition, and pressed in moulds. The articles are removed, dried, and fired at a temperature between 900‹ C. and 1100‹ C., preferably 950‹ C., which is high enough to fuse the cryolite slightly and thereby bind the mass together, but not high enough to change or harden the soapstone. Cryolite is the preferable flux, but others, such as sodium carbonate or fluor-spar, may be used, providing their melting-points are low enough. The proportions of the ingredients may be varied. The product is stated to drill or machine readily, and to resist heat and moisture.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190325853T | 1903-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190325853A true GB190325853A (en) | 1904-09-29 |
Family
ID=32624568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190325853D Expired GB190325853A (en) | 1903-11-26 | 1903-11-26 | Improvements in Insulating Material for Electric Conductors. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190325853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2741008A (en) * | 1952-06-13 | 1956-04-10 | Malinite Corp | Method of producing glazed ceramic objects |
-
1903
- 1903-11-26 GB GB190325853D patent/GB190325853A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2741008A (en) * | 1952-06-13 | 1956-04-10 | Malinite Corp | Method of producing glazed ceramic objects |
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