Velocity induced drainage method and unit
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United States of America Patent
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Sep 14, 1999
Issued Date -
N/A
app pub date -
Oct 8, 1998
filing date -
Feb 13, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A drainage device and method which provides for drainage from paper or pulp stock on a fabric in a sheet or mat making machine which includes a primary blade and trail blade with a gap therebetween for drainage wherein the size of the gap controls drainage and the primary blade is so configured so as to force a portion of the drained liquid through the fabric to create paper stock activity and disbursement while minimizing turbulence and maintaining laminar flow in the machine direction along with providing reinforcement of CD shear.
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