Classifying – separating – and assorting solids – Sifting – Elements
Patent
1978-07-17
1980-03-18
Hill, Ralph J.
Classifying, separating, and assorting solids
Sifting
Elements
210499, B07B 112
Patent
active
041935039
ABSTRACT:
A self-cleaning screen for separating fibrous and other solids from flowing slurries, the screen having a flow surface formed by parallel laterally spaced screen wires disposed perpendicular to the flow direction of the slurry, each screen wire having a flat rearwardly declining top bounded forwardly by an arcuately convex leading edge and rearwardly by a sharp trailing edge and downwardly converging flat sides, the screen inducing a ripple motion in the slurry flowing across the screen wires and directing solids over and liquid downwardly between the wires.
REFERENCES:
patent: 1180703 (1916-04-01), Detwieler
patent: 2942730 (1960-06-01), Fontein
patent: 3165440 (1965-01-01), Jordansson
patent: 3451555 (1969-06-01), Ginaven
patent: 3777893 (1973-12-01), Ginaven
patent: 3778342 (1973-12-01), Charbonneau
patent: 3880771 (1975-04-01), Hayes
patent: 4113626 (1978-08-01), Detcher
Hill Ralph J.
Mechlin Wilmer
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