Classifying – separating – and assorting solids – Sifting – Concave and convex sifters
Patent
1980-10-28
1982-03-16
Cuchlinski, Jr., William A.
Classifying, separating, and assorting solids
Sifting
Concave and convex sifters
209319, 209403, 209405, B07B 148
Patent
active
043199925
ABSTRACT:
A material separating device (10) includes a frame member (13) which carries a plurality of vertically arranged support members (19-23). Each of the support members (19-23) includes a plurality of support rods (19A-D, 20A-D, 21A-D, 22A-D, 23A-D). Screen elements (24-28) are stretched by adjustable tensioning devices (30) over each of the support members (19-23) to form screen panels (24a-e, 25a-e, 26a-e, 27a-e, 28a-e) between the support rods (19A-D, 20A-D, 21A-D, 22A-D, 23A-D). Each successive screen panel (24a-e, 25a-e, 26a-e, 27a-e, 28a-e) is inclined at a greater angle than the preceding screen panel (24a-e, 25a-e, 26a-e, 27a-e, 28a-e) so that material being separated moves progressively faster as it traverses each screen element (24-28).
REFERENCES:
patent: 2285347 (1942-06-01), Morgan
patent: 2378463 (1945-06-01), Burls
patent: 2853191 (1958-09-01), Mogensen
patent: 3439800 (1969-04-01), Tonjes
patent: 3655045 (1972-04-01), McAllister, Jr.
patent: 3718963 (1973-03-01), Hawkins et al.
Davis William F.
Tsutsumi Masataka
Cuchlinski Jr. William A.
Midwestern Industries, Inc.
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