Roller leveler
US9248486B2 · kind B2 · utility
0Cited by
14References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2015 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Feb 3, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D1/05
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A roller leveler is provided having a substantially uniform pitch of leveling rolls arranged in a zigzag manner. The roller leveler has a first roll group with first leveling rolls at a pitch “P1”, a second roll group with second leveling rolls at the pitch “P1”, a first retract mechanism for retracting the middle first leveling rolls, and second retract mechanisms for retracting pairs of end second leveling rolls. The second roll group also has third leveling rolls at the pitch “P1” with respect to the outermost second leveling rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.