Apparatus for isolating materials

Classifying – separating – and assorting solids – Magnetic – Paramagnetic

Reexamination Certificate

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C209S218000, C209S223100

Reexamination Certificate

active

07134555

ABSTRACT:
An apparatus for separating non-magnetic mineral values includes first and second conveyers in overlying relation which counter-rotate relative to one another, wherein one of the conveyers includes a magnetic assembly which cooperates with paddles on the upper conveyer to progressively isolate values from magnetic material, and multiple stages are provided for intermittent magnetic interactions such that non-magnetic materials are effectively isolated from magnetic materials.

REFERENCES:
patent: 463305 (1891-11-01), Hoffman
patent: 1218916 (1917-03-01), Weatherby
patent: 1889349 (1932-11-01), Buttron
patent: 2470889 (1949-05-01), Drescher
patent: 2702123 (1955-02-01), Injeski, Jr.
patent: 4055489 (1977-10-01), Soley
patent: 4229209 (1980-10-01), Kindig et al.
patent: 4273646 (1981-06-01), Spodig
patent: 4726895 (1988-02-01), Martinez
patent: 5375721 (1994-12-01), LaVigne
patent: 6899230 (2005-05-01), Wise
patent: 2005/0189263 (2005-09-01), Wise
patent: 311 387 (1919-03-01), None
patent: 600 048 (1984-07-01), None
patent: 297 05 556 (1997-05-01), None
patent: 2 154 474 (1985-09-01), None
English Translation of DE 311387, Magnetic Dry Separator, patented Nov. 28, 1916.
XP002200259, (SU1069858), Jan. 30, 1984, Soviet Union.

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