Structure for extracting water from a paper web in a papermaking process
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United States of America Patent
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-
Dec 10, 1991
Grant Date -
N/A
app pub date -
Jan 22, 1990
filing date -
Jan 22, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A composite structure for extracting water from a wet paper web in a papermaking process. The structure includes a base or substrate and a layer of water permeable polymeric foam, such as polyurethane foam, is secured to a surface of the substrate and an outer web supporting layer of water permeable polymeric material is bonded to the outer surface of the foam layer. The outer polymeric layer provides a smooth web supporting surface having toughness and abrasion resistance.
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