ROLLER LEVELER AND SHEET-MATERIAL FLATTENING METHOD
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United States of America Patent
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-
N/A
Issued Date -
Jan 15, 2015
app pub date -
Jan 31, 2013
filing date -
Feb 13, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A roller leveler for flattening sheet material includes: a leveling roll unit that has a plurality of leveling rolls configured to rotate so as to pass the sheet material while sandwiching and pressing the sheet material interposed therebetween; pushing cylinders configured to press the sheet material via the leveling rolls and provided on each of an entrance side and a discharge side of the leveling roll unit, on which the sheet material enters and is discharged into and from the leveling roll unit, respectively; and a driving mechanism configured to rotate the leveling rolls to pass the sheet material, wherein the plurality of leveling rolls are designed so that a diameter thereof satisfies a relation, 0.5
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