Method for producing beam blank for large size H-beam from flat slab
US4295354A · kind A · utility
3Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1979 |
| Grant date | Oct 20, 1981 |
| Priority date | — |
| Expiry date | Aug 29, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B1/088
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A beam blank for a large size H-beam is produced firstly by forming flat slab into a preformed beam blank by a two-high rolling mill and subsequently by rolling the preformed beam blank by a universal roughing mill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.