Electrical insulators
US4112193A · kind A · utility
7Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1976 |
| Grant date | Sep 5, 1978 |
| Priority date | — |
| Expiry date | Aug 3, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B17/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an electrical insulator coated with a semi-conducting tin oxide system glaze layer wherein the glaze layer contains 0.05 to 10 percent by weight of at least one metal oxide selected from the group consisting of niobium oxide, tantalum oxide, titanium oxide, zirconium oxide, yttrium oxide and tungsten oxide. The additional metal oxide reduces the dependance of resistance on the environmental temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.