Inside telecommunication cable
US4562302A · kind A · utility
6Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1982 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Dec 21, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B7/295
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inside cable having a core of conductors with conductor insulation formed from polyvinylchloride and in which interstices between conductors contains a fire resistant powder to resist burning of the core. The core is surrounded by a fire resistant jacket and the cable is devoid of a tubular metal shield or sheath surrounding the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.