Wire heat treating apparatus
US3989923A · kind A · utility
10Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1974 |
| Grant date | Nov 2, 1976 |
| Priority date | — |
| Expiry date | Nov 15, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/0009
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Apparatus for a continuous tandem electrical heat treating process for wire conductors for cables uses electrical contact pulleys having faces of a high melting point conductive material such as tungsten-copper. The melting point of the material is at least 1200.degree. C. The novel apparatus has reduced wear, arcing and wire breakage. Free running pulleys are also used instead of driven ones to avoid excessive tension. The free running pulleys have low torque contacts to apply high electrical current to heat the wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.