Method of making a paper machine press belt
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United States of America Patent
Stats
-
Mar 14, 1989
Grant Date -
N/A
app pub date -
Aug 7, 1987
filing date -
Aug 7, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for making a belt for use in papermaking includes a series of steps. A sheet of uncured urethane is wrapped on a polished mandrel. A woven fabric sleeve to serve as a supporting carcass is placed over the first sheet and shrunk onto it. A second sheet of uncured urethane is placed over the woven fabric sleeve. A nylon web is wrapped tightly around the second layer and the entire wrapped mandrel is heated, curing the urethane sheets and entirely bonding the sheets to encapsulate the fabric sleeve. The nylon wrap is removed and the surface of the cured urethane is ground.
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