Steel pipe rolling mill
US4444035A · kind A · utility
1Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1982 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Jul 16, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B2031/026
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a three-roll Assel mill capable of automatically and rapidly changing the rolls, rails are arranged on an inner housing mounted within each of a fixed housing and a rotary housing to be rotatable along the inner wall thereof, and cradles having rolls mounted therein are placed on the rails, whereby during roll changing the housing proper is shifted and the inner housings are rotated in such a manner that the rails provided on the inner housings are successively aligned with rails laid externally and the rolls are moved in or out of the rolling mill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.