Plenum cable
US5514837A · kind A · utility
71Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1995 |
| Grant date | May 7, 1996 |
| Priority date | — |
| Expiry date | Mar 28, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L27/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A plenum cable having a plurality of insulated conductors enclosed by a jacket. Each of the insulated conductors or twisted-pair conductors has a dielectric constant that varies .+-.0.25 from any other insulated conductor or twisted-pair conductor. In the preferred structure at least one twisted-pair conductor has flame retardant polyethylene or flame retardant polypropylene insulation and at least one other twisted pair conductor being insulated with fluorinated ethylene propylene, tetrafluoroethylene, or ethylenechloro-trifluoroethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.