Press section and permeable belt in a paper machine
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United States of America Patent
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May 14, 2013
Grant Date -
Jul 8, 2010
app pub date -
Mar 17, 2010
filing date -
Jan 30, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressing arrangement including at least one first fabric and second fabric both being permeable. A paper web is disposed between the first fabric and the second fabric. A pressure producing element is in contact with the first fabric. A support surface of a supporting structure is in contact with the second fabric. A differential pressure is provided between the first fabric and the support surface that acts on the first fabric, the paper web, and the second fabric, whereby the paper web is subjected to mechanical pressure and experiences a predetermined hydraulic pressure so as to cause water to be drained from the paper web. The pressing arrangement is structured and arranged to allow air to flow in a direction from the first fabric through the paper web and through the second fabric.
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