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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Dec 17, 2013
Grant Date -
Feb 3, 2011
app pub date -
Jan 15, 2009
filing date -
Jan 25, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
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 decrease edge drops and improve surface gloss, is provided. For this purpose, a rolling mill, which 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 upper and lower work rolls as the pair, and upper and lower back-up rolls (4) as a pair for supporting the upper and lower intermediate rolls as the pair, is configured such that the upper and lower work rolls as the pair are supported by a plurality of supporting bearings (8a to 8f and 9a to 9f) arranged vertically zigzag on an entry side in a rolling direction, and a plurality of supporting bearings (10a to 10f and 11a to 11f) arranged vertically zigzag on an delivery side in the rolling direction, at positions outward of a rollable strip width, and the plurality of supporting bearings lap over each other vertically.
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