Multiple hardness roll cover
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United States of America Patent
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-
Mar 30, 1999
Grant Date -
N/A
app pub date -
Oct 24, 1997
filing date -
Oct 24, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A soft nip calender employing a compliant roll constructed of circumferentially superpositioned layers of compliant material which are progressively less compliant as the layers approach an underlying steel roll.
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