Device for molding and method for molding metal plate
US9630229B2 · kind B2 · utility
3Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2014 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Aug 22, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A protruding portion is formed in a metal plate material by use of a plurality of molding tools each of which has a die and a punch. In a first step, an initial protruding portion is formed in the metal plate material by use of a first molding tool. In this step, a top of the initial protruding portion is formed to be thinner than other parts. In a second step, a sidewall of the initial protruding portion is rolled out by use of a second molding tool, and the protruding portion is formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.