Liquid purification or separation – Filter – Movable medium
Patent
1974-09-20
1976-12-28
Lutter, Frank W.
Liquid purification or separation
Filter
Movable medium
210393, 233 3, 233 46, 233 47R, B01D 3310, B01D 3500, B01D 3522
Patent
active
040000745
ABSTRACT:
Primary explosives, e.g. lead azide, dispersed in a liquid medium, e.g. enol, are filtered, washed and dried in a novel centrifuge, wherein the rotatable extractor basket has an open bottom, which is closed by peripheral attachment to the large open end of an invertible funnel. The small open end of the funnel is attached to an axial shaft, which can be raised and lowered, whereby said small open end can be held upright to retain the contents in said basket and lowered to invert the funnel to discharge the dried free-flowing explosive particles by gravity through said small open end.
REFERENCES:
patent: 1415939 (1922-05-01), Mabry
patent: 1903298 (1933-04-01), Roberts
patent: 2548417 (1951-04-01), Baxter
patent: 2686595 (1954-08-01), Cox
patent: 2792172 (1957-05-01), Tait
patent: 2932401 (1960-04-01), Tholl
patent: 3367506 (1968-02-01), Rosaen
patent: 3797662 (1974-03-01), Titus
Edelberg Nathan
Erkkila A. Victor
Lutter Frank W.
Sever Frank
The United States of America as represented by the Secretary of
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