Drum screening machine

Details Drum screening machine Drum screening machine

1985-03-22

1987-01-13

Bashore, S. Leon

Classifying, separating, and assorting solids

Sifting

Drum sifters

209293, 209310, 209379, 209407, B07B 126, B07B 128

Patent

active

046363041

ABSTRACT:
The invention relates to a screening machine with a screening drum which rotates about its axis and has a screen made of elastic material. The characterizing feature of the invention is that the screening drum has at least one screening zone which has the shape of a cylinder or truncated cone and the length of which, in order to alternately stretch and relax the screen lining, can be changed in a vibrating manner in the axial or conveying direction.

REFERENCES:
patent: 2700470 (1955-01-01), De Gail
patent: 3591001 (1971-07-01), Quesnel
patent: 3633745 (1972-01-01), Webner
patent: 3971715 (1976-07-01), Webner
patent: 4188288 (1980-02-01), Wehner
patent: 4269703 (1981-05-01), Bruderlein

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