Roller-type straightening apparatus for H-beams
US5191780A · kind A · utility
4Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1991 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Dec 18, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D3/05
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A roller-type straightening apparatus for an H-beam having horizontal rolls for pressing the web of the H-beam are alternately vertically disposed. Pairs of vertical rolls press the outer surfaces of the opposed flanges of the H-beam. The horizontal roll presses the surface of the web of the H-beam. The pairs of vertical rolls are located to correspond in position to each of the horizontal rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.