Rolling mill and tandem rolling mill having the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 15, 2014
Grant Date -
Jan 13, 2011
app pub date -
Jan 15, 2009
filing date -
Jan 25, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A rolling mill, which can use work rolls of a smaller diameter for rolling a hard material and a thin strip material, and can obtain strips of high product quality with high productivity, is provided. For this purpose, a six-high rolling mill includes upper and lower work rolls (2) as a pair for rolling a strip (1), upper and lower intermediate rolls (3) as a pair for supporting the paired upper and lower work rolls, and upper and lower back-up rolls (4) as a pair for supporting the paired upper and lower intermediate rolls, but has no supporting rolls inside and outside the rollable strip width of the work rolls. The work rolls have a small diameter, and use a material having a high longitudinal modulus, such as a hard metal or a ceramic.
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