Extended nip press belt having an interwoven base fabric and an impervious impregnant
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United States of America Patent
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Aug 24, 1993
Issued Date -
N/A
app pub date -
Dec 2, 1991
filing date -
Sep 15, 1981
priority date (Note) -
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status (Latency Note)
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Abstract
An endless impervious, oil, abrasion, and crush resistant belt for use with papermaking machinery such as presses, especially of the extended nip type for the mechanical removal of water from a web of paper including a urethane coating impregnating woven base providing a structure which is impregnated and impervious to oil, water, and air. The impregnated surface of the belt is made smooth and uniform in thickness through a grinding and polishing operation to act as a hydraulic bearing surface.
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