Cable with a coating layer made from a waste material
US7672555B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2003 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Sep 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cable including at least one core having at least one transmissive element and at least one coating layer made from a coating material, wherein the coating material has at least a first polyethylene having a density not higher than 0.940 g/cm3, preferably not lower than 0.910 g/cm3, more preferably 0.915 g/cm3 to 0.938 g/cm3, and a Melt Flow Index (MFI), measured at 190° C. with a load of 2.16 Kg according to ASTM D1238-00 standard, of 0.05 g/10′ to 2 g/10′, preferably 0.1 g/10′ to 1 g/10′; the first polyethylene being obtained from a waste material; at least a second polyethylene having a density higher than 0.940 g/cm3, preferably not higher than 0.970 g/cm3, more preferably 0.942 g/cm3 to 0.965 g/cm3. Preferably, the coating layer is a cable external layer having a protective function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.