Vibratory screen assembly and method of manufacture
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United States of America Patent
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app pub date -
Oct 29, 2004
filing date -
Jun 12, 2002
priority date (Note) -
Abandoned
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Abstract
A screen assembly comprising a support, a screen comprising peaks and troughs, and a coating on at least a portion of a plurality of the peaks. An apparatus for screening material comprising a frame, a motor mounted to the frame, a screen assembly supported by the frame, a chamber beneath the screen assembly adapted to be placed intermittently at less than atmospheric pressure, a screen formed in an undulating shape comprising a plurality of peaks and troughs, and a coating on at least a portion of a plurality of the peaks.
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