Tube rolling method and apparatus
US5533370A · kind A · utility
24Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1993 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Nov 29, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B2015/0028
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
According to the rolling method and the apparatus to be used for its execution of the invention, by rolling a tube to be rolled by using four rolls possessing roll grooves for forming a caliber in a shape of having a relief portion, cold reducing or cold stretch reducing is done continuously without causing wall thickness deviation, and by sizing the rolled tube material by a die disposed at the exit side, the dimensional precision and yield of rolled tubes may be enhanced by a small number of stands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.