Tube rolling
US4020667A · kind A · utility
3Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1975 |
| Grant date | May 3, 1977 |
| Priority date | — |
| Expiry date | Oct 23, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B17/14
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A multistand rolling mill for stretch reducing tubes is provided in which the first stands of a plurality of successive stands are operated to build up tension and at least one of said stands is provided with means for varying the roll speed to provide a desired speed step in those stands designed to build up tension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.