Filter apparatus and method for filtering contaminants from mach

Details Filter apparatus and method for filtering contaminants from mach Filter apparatus and method for filtering contaminants from mach

1990-08-30

1992-10-27

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

210396, 210402, 210498, 210499, 210780, 210784, B01D 3346, B01D 3306, B01D 3321, B01D 3315

Patent

active

051586916

ABSTRACT:
A filter apparatus (10) for filtering machine tool coolant is disclosed as including a filter assembly (12) including a foraminous non-reticulated metal screen (30) having minute openings and a smooth planar surface for providing improved scrape cleanability and preventing movement of machining chips, particulate and also elongate contaminants from one side of the filter (12) to the other side thereof.

REFERENCES:
patent: 1540325 (1925-06-01), Fuller
patent: 2165931 (1939-07-01), Levy
patent: 3096278 (1963-07-01), Francom
patent: 3283906 (1966-11-01), Crane et al.
patent: 3708848 (1973-01-01), Guinard
patent: 4083787 (1978-04-01), White
patent: 4131549 (1978-01-01), Peterson
patent: 4793923 (1988-12-01), Kadoya et al.
patent: 4836917 (1989-06-01), Tomita et al.
patent: 4932112 (1990-06-01), Tikkanen
patent: 4957630 (1990-09-01), Bratten

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