Roll-changing apparatus
US4251180A · kind A · utility
6Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1977 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | Nov 30, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B31/103
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A travelling gantry is used for exchanging the working rolls of roll stands. A carriage is mounted on a cross member of the gantry and a roll extraction device with roll receiving rotatable sleeves therein is suspended from the carriage in a vertically adjustable manner. The cross member of the gantry is preferably a box girder of which the lower wall has lateral projections providing guide surfaces engaging in an inverted T-section groove of the carriage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.