Classifying – separating – and assorting solids – Sifting – Elements
Patent
1996-05-15
1998-03-31
Nguyen, Tuan
Classifying, separating, and assorting solids
Sifting
Elements
209366, 198766, 74 42, B07B 142
Patent
active
057328285
ABSTRACT:
The present invention provides an apparatus for retrofitting traditional derrick motor vibrators. In particular, an off-center shaft rotates, shaking a bed in an oscillatory manner. An apparatus of the present invention may be advantageously used to retrofit known shale shakers, achieving significant savings in the cost of repair.
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