Roll former for steel plate and roll bending method for steel plate using same
US9149850B2 · kind B2 · utility
0Cited by
3References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 25, 2009 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Jan 25, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D5/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A roll former for steel plate (3) which enables edge corner deformation of steel plate edges (4) to be avoided, that is, a roll former for steel plate comprised of a top roll (1) and a bottom roll (2), the roll former for steel plate characterized by forming convex curved parts (5) having a bending direction opposite to a bending direction of the steel plate (3) in regions of the bottom roll (2), which forms the outer side of the steel plate (3), which contact the steel plate edges (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.