Method for making a fastener
US6956181B2 · kind B2 · utility
2Cited by
42References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2003 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Oct 14, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21H3/027
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In accordance with one embodiment, the present technique provides a method for making a threaded fastener. The method includes that act of forming a die-making tool having surface features that correspond to the desired crest and flank profiles of a thread of the threaded fastener. The exemplary method also includes that act of forming a roll threading die via electric discharge machining of a die blank with the formed die-making tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.