Apparatus for the reinforcement of lengths of coil wire
US4129158A · kind A · utility
4Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1977 |
| Grant date | Dec 12, 1978 |
| Priority date | — |
| Expiry date | Jun 7, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The disclosure embraces an apparatus for reinforcing segments or selected lengths of wire such as that used in electric coils by continuously forming a desired number of loops of the wire and then twisting the formed loops together at their midpoint to reinforce the tensile strength of the wire product; the apparatus provides means for forming the loops such as at a point upstream of a coil winding machine and a twisting device for engaging the thus formed loops and twisting them about an axis to form a reinforced length of wire which is then fed to the coil winding machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.