Method for forming a sheet blank as a workpiece in a forming tool
US12064800B2 · kind B2 · utility
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13Claims
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Inventor
Key dates
| Filing date | Nov 19, 2018 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Aug 14, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D9/48
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method is provided for forming a flat metal blank as a workpiece in a forming die. The method may include providing a forming die with at least one cavity, and providing at least one blankholder for fixing a flat metal blank to the at least one cavity during the forming. The method may also include heating the flat metal blank to a solution heat treatment temperature specific to the flat metal blank while maintaining the forming die at the solution heat treatment temperature. The method may also include forming the workpiece from the flat metal blank at the solution heat treatment temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.