Method for a multi-roll calender as well as a multi-roll calender
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United States of America Patent
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Mar 2, 2004
Grant Date -
N/A
app pub date -
Jun 26, 2002
filing date -
Sep 29, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for a multi-roll calender and a multi-roll calender for controlling the moisture gradient of a fibrous web and for enabling the manufacture of high quality paper grades, such as WFC, LWC-roto and SC-A by on- and off-line calendering. An on- or off-line multi-roll calender formed of separate sets of rolls is used for calendering, and the fibrous web (W) is subjected to intermediate moistening between the sets of rolls (A, B).
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