Method of rolling H-shaped steels
US5009094A · kind A · utility
5Cited by
0References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1989 |
| Grant date | Apr 23, 1991 |
| Priority date | — |
| Expiry date | Jun 19, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B1/088
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
H-shaped steel products having substantially a constant web height are efficiently manufactured from workpieces after breakdown rolling by using a particular universal rolling mill comprising a pair of width variable horizontal rolls and a pair of vertical rolls in rough universal rolling and/or finish universal rolling stages without arrangement of rolls in the same size series having different flange thicknesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.