Strand having a limited spring effect
US8552290B2 · kind B2 · utility
1Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2009 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Jun 30, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01B1/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A strand of section of no more than 0.35 mm2 is provided having one or more electrical conductor wires, where each electrical conductor wire is constituted by an alloy of copper and tin. The tin content is not less than 1500 ppm and not more than 2500 ppm the oxygen content is not more than 400 ppm the inevitable impurities content is not more than 100 ppm and the balance of the content of the alloy is copper with the electrical conductor wire(s) being exempt from heat treatment during fabrication of the strand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.