Elastomeric element for forming surfaces engageable with loose a

Details Elastomeric element for forming surfaces engageable with loose a Elastomeric element for forming surfaces engageable with loose a

1988-03-25

1989-11-07

Cherry, Johnny D.

Classifying, separating, and assorting solids

Sifting

Plane sifters

209392, 209397, 209399, B07B 104

Patent

active

048790249

ABSTRACT:
An elastomeric element for forming surfaces engageable with loose abrasive materials comprising a base having a working surface in the form of a surface of revolution. In a section taken perpendicularly to the axis of the surface of revolution the base is fashioned as a sector of a ring. A sizing screen from the elastomeric elements has secured on a frame thereof a plurality of elastomeric elements with a plurality of holes made therein. Each elastomeric element is secured by the attachment means on the frame of the sizing screen to form a substantially flat working surface.

REFERENCES:
patent: 1544494 (1925-06-01), Spoehr et al.
patent: 3970550 (1976-07-01), Fry et al.
patent: 4374169 (1983-02-01), Gryskiewicz et al.
patent: 4383919 (1983-05-01), Schmidt et al.

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