Shaker screens and methods of use
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United States of America Patent
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Sep 18, 2001
Issued Date -
N/A
app pub date -
Apr 22, 1999
filing date -
Apr 30, 1993
priority date (Note) -
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Abstract
A screen assembly for a vibratory separator has been invented, which, in certain aspects, has at least two ridge-valley series of screening material with a plurality of alternating ridges and valleys of screening material, and at least one ridge-valley series of screening material offset from at least one other ridge-valley series of screening material. A screen assembly for a vibratory separator has been invented, which, in certain aspects, has at least one ridge-valley series of screening material, said ridge-valley series including a plurality of ridges each ridge between valleys of a plurality of valleys, and each ridge having a first end spaced apart from a second end, said first end having a top wider than a top of second end.
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