Electric cable and manufacturing process thereof
US7105749B2 · kind B2 · utility
10Cited by
14References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2002 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Apr 16, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B7/185
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric cable for power transmission at low voltage has at least one conductor and an insulating coating surrounding the at least one conductor. The insulating coating has at least two insulating layers. In a radial direction from the inside toward the outside of the electrical cable, the insulating coating has at least one insulating layer made of a non-expanded polymeric material and at least one insulating layer made of an expanded polymeric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.