Ceramic foam member for extracting water from a paper web in a papermaking machine
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United States of America Patent
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-
Jan 15, 1991
Issued Date -
N/A
app pub date -
Aug 21, 1989
filing date -
May 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A component to be used in a papermaking machine for extracting moistu re from a paper web. The component includes a supporting structure and a water permeable member is mounted on the supporting structure and is adapted to support a paper web. The water permeable member comprises a rigid mass of ceramic foam having a plurality of interconnected cells. The ceramic foam has an air permeability in the range of 10 to 1,000 cubic feet per square foot of surface area per minute and has a density of 5 to 100 lbs/cubic foot. When a pressure differential is applied to the permeable member to the paper web, moisture will be extracted from the web and passes through the permeable member.
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Cited Art Landscape
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