Screen for separating objects by shape

Details Screen for separating objects by shape Screen for separating objects by shape

1979-08-22

1981-03-10

Knowles, Allen N.

Classifying, separating, and assorting solids

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

Separating means

209683, 209288, 209920, B07B 1305

Patent

active

042548780

ABSTRACT:
Mixed solid waste, such particularly as municipal waste, is subjected to treatment which separates the majority of the ferrous metal pieces from the other solids, and the invention provides apparatus for separating the resulting mass into (a) flat-shaped pieces (b) chunky-shaped pieces, and (c) long thin or otherwise oversized pieces by causing all the pieces to advance along a moving conveyor surface through successive stations at which openings of predetermined size and shape accept pieces of the (a) and (b) shapes, having only the (c) category on the conveyor.

REFERENCES:
patent: 920972 (1909-05-01), Mathewson
patent: 1955032 (1934-04-01), Stevenson, Jr.
patent: 2356295 (1944-08-01), Yost
patent: 3269534 (1966-08-01), Clark et al.
patent: 3389790 (1968-06-01), Braunheim et al.

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