Paper decurler for uneven curl profile
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 23, 2003
Grant Date -
N/A
app pub date -
Jan 31, 2000
filing date -
Jan 31, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are disclosed for reducing or eliminating the precurl in a web of paper. The apparatus includes a decurler which may operate in conjunction with a lead in roll and a bowed roll. Motions are provided to the lead in roll and decurler so that the wrap of the web on the bowed roll remains essentially unaffected by the movement of the decurler into and out of the web. One of the above apparatus or a lead out roll may be skewed to address uneven cross machine curl profile, while the bowed roll addresses baggyness and the decurler, of course curl.
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