Method of manufacturing a part with a coil
US4724604A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 1986 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | May 6, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53161
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for fitting a ring coil in a channel formed in the inner circumference surface of a hollow cylindrical member comprises a step of deforming the ring coil by applying a force to one or more portions thereof radially outwardly. The deformation of the ring coil causes a reduction of the circumscribed circle diameter facilitating its insertion into the member. After the insertion, the deformed portions are respectively outwardly pressed so that the non-deformed portions are respectively engaged with the channel. Subsequently, the deformed coil is sequentially pressed to the bottom surface of the channel are around so that the deformed coil is returned to its original shape and the whole of the coil is perfectly fitted in the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.