Screening apparatus

Classifying – separating – and assorting solids – Sifting – Plane sifters

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Details

B07B 108

Patent

active

044288328

ABSTRACT:
The sizing screen comprises a plurality of rotatable screening decks mounted co-axially one below the other. The uppermost screening deck is rotated at a slower speed than the relative fast revolving lowermost screen deck.

REFERENCES:
patent: 91549 (1869-06-01), Lewis
patent: 1517509 (1924-12-01), Hokanson
patent: 1783357 (1930-12-01), Cook
patent: 1996190 (1935-04-01), Buck
patent: 2466309 (1949-04-01), Gannon et al.
patent: 2910180 (1959-10-01), Parks
patent: 3247966 (1966-04-01), Harmon, Jr.
patent: 4220526 (1980-09-01), Armstrong et al.
Webster's Seventh New Collegiate Dictionary, Cpr. 1965, p. 705, Copy with Examiner.

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