Classifying – separating – and assorting solids – Sifting – With liquid treatment
Patent
1990-08-14
1991-12-17
Huppert, Michael S.
Classifying, separating, and assorting solids
Sifting
With liquid treatment
209397, 210413, 210498, B07C 120, B01D 3910
Patent
active
050732544
ABSTRACT:
A cylindrical screening basket for sorting and classifying fiber suspensions includes a wall which has an inner wall surface facing the fiber suspension and is provided with screen openings which lead into grooves arranged at the inner wall surface. The grooves extend essentially parallel to each other and transversely to the flow direction of the fiber suspension and are arched to define a downstream flank and an upstream flank, with the downstream flank having a sharper curvature than the upstream flank.
REFERENCES:
patent: 4529520 (1985-07-01), Lampenius
patent: 4812229 (1989-03-01), Tra
patent: 4880540 (1989-11-01), Frejborg
patent: 4950402 (1990-08-01), Frejborg
"Webster's Universal Dictionary of the English Language", vol. II, p. 1830, The World Syndicate Publishing Company, N.Y., 1936.
Beisenherz Kurt
Knodel Waldemar R.
Feiereisen Henry M.
Heinrich Fiedler GmbH & Co. KG
Huppert Michael S.
Wacyra Edward M.
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