Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Patent
1980-03-14
1983-12-27
Spitzer, Robert H.
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
209264, 209281, 209393, 2104331, 210456, B01D 3910
Patent
active
044229372
ABSTRACT:
A reversible static screen for classifying and dewatering flowing slurries, the screen being inclined and having a flow or screening surface formed by laterally spaced screen wires disposed normal to the flow direction of the slurry and so spaced that the openings therebetween are narrower over the end portions than over the intermediate portion of the screen.
REFERENCES:
patent: 1942948 (1934-01-01), Booth
patent: 2208448 (1940-07-01), Bixby
patent: 2699933 (1955-01-01), Siefert, Sr.
patent: 2872041 (1959-02-01), Fontein et al.
patent: 2942730 (1960-06-01), Fontein
patent: 3451555 (1969-06-01), Ginaven
patent: 3815740 (1974-06-01), Ginaven
patent: 3993567 (1976-11-01), Ginaven
patent: 4113626 (1978-09-01), Detcher
Mechlin Wilmer
Spitzer Robert H.
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