Fine metal recovery apparatus

Details Fine metal recovery apparatus Fine metal recovery apparatus

1988-02-16

1990-10-30

Reeves, Robert B.

Classifying, separating, and assorting solids

Sifting

Discharging

209270, 209284, 209420, B07B 122, B07B 146

Patent

active

049666860

ABSTRACT:
An apparatus and method for obtaining fine metals from gravel. A tiltable, rotatable cylinder has an inlet and an outlet. A mesh is positioned a predetermined distance from the inside diameter of the cylinder and extends around the periphery of the inside circumference. A first recovery ring is located downstream from the inlet and has an inside diameter greater than the inside diameter of the cylinder. An exit extends from the inside diameter to the outer periphery of the first recovery ring.

REFERENCES:
patent: 253452 (1882-02-01), Weber
patent: 261653 (1882-07-01), Bayley
patent: 796780 (1905-08-01), Weaver
patent: 801703 (1905-10-01), Anderson
patent: 883974 (1908-04-01), Roughsedge
patent: 1254410 (1918-01-01), Krenzer
patent: 1309754 (1919-07-01), Dovel
patent: 1581686 (1926-04-01), O'Toole
patent: 1948606 (1934-02-01), Weinig
patent: 1960085 (1934-05-01), Goldberg et al.
patent: 4178238 (1979-12-01), Harris

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