Liquid purification or separation – Filter – Movable medium
Patent
1986-06-09
1988-02-09
Fisher, Richard V.
Liquid purification or separation
Filter
Movable medium
210403, B01D 3306
Patent
active
047240776
ABSTRACT:
A filtering apparatus for filtering chips out of chip-containing waste liquid which includes a cutting oil collection tank and a filtering drum rotatably mounted in the tank. A waste liquid supply means, and a chip transport conveyor are provided for supplying chip-containing waste liquid into the filtering drum and removing chips therefrom, respectively. The filtering drum also includes annular guide groove members and buckets slidably supported by the guide groove members for removing larger chips while allowing smaller chips and oil to pass therethrough. The buckets prevent the larger chips from damaging a surface of the filtering drum on which the smaller chips are collected.
REFERENCES:
patent: 1019907 (1912-03-01), Miller
patent: 1712258 (1929-05-01), Compain
patent: 2196793 (1940-04-01), Hall
patent: 2758722 (1956-08-01), Murray
patent: 4224166 (1980-09-01), Wyman
patent: 4477349 (1984-10-01), Monteyne
Evans Linda S.
Fisher Richard V.
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