Screen for the sifting of materials of differing weight

Details Screen for the sifting of materials of differing weight Screen for the sifting of materials of differing weight

1991-10-24

1993-04-27

Olszewski, Robert P.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209239, 209397, B07C 516

Patent

active

052054187

ABSTRACT:
Screen for the sifting of materials of differing weight, in which at least part of the screening orifices is covered by elastic diaphragms formed by lamellae.

REFERENCES:
patent: 374153 (1887-11-01), Hiatt
patent: 1082612 (1913-12-01), Smith et al.
patent: 1309196 (1919-07-01), Haug
patent: 1444195 (1923-02-01), Lawry
patent: 3285413 (1966-11-01), Taylor-Smith
patent: 3494708 (1970-02-01), Ito
patent: 4585126 (1986-04-01), Paddock et al.
World Patents Index Latest, SU 835,346 (Kiev Soyuzsortsemov), Jun. 7, 1981.

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