Filter apparatus

Details Filter apparatus Filter apparatus

1982-04-23

1984-03-20

Spitzer, Robert H.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

B01D 2538

Patent

active

044379919

ABSTRACT:
A filter apparatus for filtering a liquid containing solid materials comprises a filter member made of a flexible sheet having a number of through holes which prevent passage of solid materials while allow passage of the liquid thereby filtering the liquid, first wipers which are slidably arranged over the surface of the filter member at the liquid inlet side and which scrape off the solid materials deposited on the surface of the filter member upon sliding movement thereof; second wipers which are slidably arranged over the surface of the filter member at the liquid outlet side; and driving mechanism for sliding the first and second wipers on the surfaces of the filter member at the same speed in the same direction so that the first and second wipers oppose each other with the filter member disposed therebetween.

REFERENCES:
patent: 2412400 (1946-12-01), Hock
patent: 2598322 (1952-05-01), Vokos
patent: 2861688 (1958-11-01), Harms
patent: 2865509 (1958-12-01), Harlan
patent: 2919806 (1960-01-01), Hock et al.
patent: 2994434 (1961-08-01), Moseres
patent: 3194399 (1965-07-01), Harms
patent: 3221885 (1965-12-01), Hirs
patent: 3748835 (1973-07-01), Panzica

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