Classifying – separating – and assorting solids – Sifting – Endless belt sifters
Reexamination Certificate
2005-06-28
2005-06-28
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Endless belt sifters
C209S632000, C209S681000, C209S685000, C209S234000
Reexamination Certificate
active
06910587
ABSTRACT:
A separator system for separating first material from second material, in one aspect for separating gumbo from drilling fluid, a combination of the first material and second material introducible to the separator system, the separator system having a screen conveyor having a plurality of spaced-apart rods or shafts, a plurality of wires, for each pair of adjacent rods or shafts of the plurality of spaced-apart rods or shafts a wire of the plurality of wires wrapped partially, once, or more around the rods of the pairs of spaced-apart rods, and portions of the rods and portions of the wires defining openings through which the first material is passable and through which the second material is not passable so that the screen conveyor separates the first material from the second material.
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McClung Guy
Miller Jonathan R
Varco I/P Inc.
Walsh Donald P.
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