High voltage switching device with calcium-aluminum glass filled resin insulator support
US4020306A · kind A · utility
7Cited by
5References
12Claims
0Family size
Inventors
Key dates
| Filing date | Dec 3, 1974 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | Dec 3, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/021
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical device having arc-prone electrical contacts within a container and an arc-resistant dielectric halogenated gas within the container. Also within the container is a filled resin electrical insulator. The filled resin comprises a cured epoxy resin and a filler of particles of calcium-aluminum glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.