Vane intended for a headbox of a paper machine and method for ensuring the straightness of a vane
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United States of America Patent
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Mar 24, 2009
Grant Date -
Jul 19, 2007
app pub date -
Feb 22, 2005
filing date -
Mar 3, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vane intended for a headbox of a paper machine or equivalent is moistened and enclosed in a vapor-proof package to ensure the straightness of the vane. At least a portion of the vane is made of a water-absorbing material, such as plastic or a composite. Advantageously, the vane contains moisture in an amount that corresponds to the equilibrium moisture content of the vane in headbox conditions. It is enclosed in a package, preferably a vacuum package, which retains the moisture of the vane until the vane is put into use.
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