Fluid-assisted non-isothermal stamping of a sheet blank
US8671729B2 · kind B2 · utility
12Cited by
16References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2010 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Jun 29, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D1/673
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for stamping a desired shape from a sheet blank includes providing the sheet blank. The method also includes locally cooling the sheet blank with a stream of fluid in a predetermined area of high stress concentration to be experienced during forming of the sheet blank into a desired shape. The method additionally includes forming the metal sheet blank into the desired shape in a stamping press with a punch. A system employing the method for forming a sheet blank is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.