Rotary bending tool and method of manufacture
US6983634B2 · kind B2 · utility
4Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2003 |
| Grant date | Jan 10, 2006 |
| Priority date | — |
| Expiry date | Aug 21, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D5/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A rotary bending tool having a series of graphite plugs mounted in a saddle recess engaging a rocker surface to lubricate the same. The rocker is machined in an unhardened state and thereafter heat treated to be hardened, with reverse bending of the rocker thereafter carried out to correct any warpage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.