Method and a device for controlling the dimensions of an elongated material rolled in a rolling mill
US6568232B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Mar 14, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B2273/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for controlling the dimensions of an elongated material rolled in a rolling mill comprising at least two mill stands arranged after each other, each of said stands comprising two spaced rolls, said elongated material being fed between the rolls of each stand by rotating the rolls, wherein the material is subjected to stresses in the longitudinal direction thereof during the rolling operation. A rear portion of said material is subjected to an additional tension substantially in the longitudinal direction of the material when a rear end of the material is in the vicinity of a first stand and has not yet passed said stand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.