Covered electrical wire, terminal-equipped electrical wire, copper alloy wire, and copper alloy stranded wire
US11380458B2 · kind B2 · utility
0Cited by
0References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 13, 2019 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Jun 13, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22F1/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a plurality of copper alloy wires composed of a copper alloy and twisted together, and has a wire diameter of 0.5 mm or less, the copper alloy containing Ni, or Ni and Fe in an amount of 0.1% by mass or more and 1.6% by mass or less in total, and P in an amount of 0.05% by mass or more and 0.7% by mass or less, with a balance being Cu and impurities, in the copper alloy, a ratio of precipitation of P to solid solution of P being 1.1 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.