Process for forming a sheet of material
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United States of America Patent
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Nov 13, 1990
Issued Date -
N/A
app pub date -
Feb 24, 1989
filing date -
May 27, 1986
priority date (Note) -
Expired
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Abstract
A process for forming a homogeneous sheet from particulate elements, (as herein defined), at least some of which have an inherent vertical mobility (as herein defined) in water at normal temperature and pressure of from about 1 to about 21 cms/sec, which comprises the steps of forming a foamed dispersion of said particulate elements, and depositing and draining said dispersion on a foraminous support.
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