Hat-shaped cross-section component manufacturing method
US10688551B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2015 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Jun 11, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D47/01
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for manufacturing a hat-shaped cross-section component includes a gripping process, a bending and stretching process, and a bend back process. In the gripping process, a pair of vertical walls of an elongated preliminarily formed component are disposed outside of a punch, and a top plate is gripped using the punch and a pad. In the bending and stretching process, die moves toward the punch side relative to the preliminarily formed component, and the die bends and stretches the vertical walls toward the opposite side to the top plate at one side in the length direction of the preliminarily formed component. In the bend back process, a holder moves toward the pad side relative to the preliminarily formed component, and the holder bends back the vertical walls toward the top plate side at another side in the length direction of the preliminarily formed component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.