Projection welding method
US5521349A · kind A · utility
2Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1994 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Apr 6, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A projection welding method which comprises providing in either one of a first member and a second member to be welded a plurality of projections projecting toward the other member, supplying a current between the first and second members to melt the plurality of projections, and welding the first and second members. The plurality of projections are composed of projections having a plurality of kinds with different heights. Furthermore, with reference to the plurality of projections, concave grooves in which a molten product flows are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.