Screen support and screens for shale shakers
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United States of America Patent
Stats
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Aug 5, 2003
Grant Date -
Oct 3, 2002
app pub date -
Dec 21, 2001
filing date -
Sep 3, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A support for a screen assembly for a vibratory separator, a screen assembly with such a support, a vibratory separator with one or more such screen assemblies, and a method of using such a screen assembly, such a support having a body, a first series of holes through the body each hole having a first opening size as viewed from above, a second series of holes through the body each hole with a second opening size as viewed from above, the second series of holes at a selected area of the body and the support positionable in a vibratory separator so that the selected area is adjacent a selected location with respect to the vibratory separator, and the second opening size smaller than the first opening size and/or the second series of holes with holes spaced apart differently than the holes of the first series of holes; and in one aspect, a plastic grid with such hole series for fusing together layers of screening material.
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