Cable with recyclable covering
US6824870B2 · kind B2 · utility
4Cited by
8References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2003 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Aug 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2947
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cable with recyclable covering, particularly for transporting or distributing medium or high voltage energy, in which at least one covering layer is based on thermoplastic polymer material comprising a propylene homopolymer or a copolymer of propylene with ethylene or an &agr;-olefin other than propylene in mixture with a dielectric liquid. The cable of the invention possesses superior mechanical and electrical properties, including high dielectric strength, in particular enabling it to be used at high operating temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.