Electrical resistance heater having a core material back twist verification with tracer
US7174701B2 · kind B2 · utility
1Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2004 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Apr 14, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a conductor assembly including the steps of winding and back twisting. The winding step includes winding an electrical conductor around a core material, the core material including at least one color differentiated portion, the core material having a longitudinal axis. The back twisting step includes back twisting the core material until the at least on color differentiated portion is in substantial alignment with the longitudinal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.