Fire resistant cable with dual insulation layer arrangement
US11069460B1 · kind B1 · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2020 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Aug 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B7/0208
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fire resistant cable includes cable at least one conductor and at least one mica layer surrounding the at least one conductors. The fire resistant cable further includes a first layer of insulation surrounding the at least one mica layer and a second layer of insulation surrounding the first layer of insulation. The first and second layers of insulation are made of a composition based on a flame retardant ceramifiable silicone rubber. The second layer of insulation further contains a reinforcement material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.