Cooling apparatus and cooling method for hot rolling
US9061335B2 · kind B2 · utility
1Cited by
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4Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 7, 2009 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Feb 4, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B2265/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A cooling apparatus for hot rolling is installed on a downstream side of a finishing mill of a continuous hot rolling mill, and cools a steel sheet rolled by the finishing mill while being conveyed. The cooling apparatus includes first pinch rolls which, during an interval when the steel sheet fed out from a final stand of the finishing mill moves from a position of the final stand to a position where a surface temperature of the steel sheet reaches 850° C. or less, pinch the steel sheet while applying tension of 3.9 MPa or greater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.