Filter means

Details Filter means Filter means

1979-11-26

1981-06-23

Spitzer, Robert H.

Liquid purification or separation

With means to add treating material

Directly applied to separator

210236, 210350, 210496, 210924, 264321, B01D 2302, B01D 2908

Patent

active

042749603

ABSTRACT:
A filter apparatus for separating particles of oil from waste water comprises a housing having an inlet and an outlet and a filter element arranged therebetween. The filter element is in the form of a self-supporting body comprising small pieces of soft foamed plastic material having open cells. The foamed plastic material has been subjected to mechanical, non-disintegrating pressure shocks of a magnitude sufficient to rupture the cell walls. Thereafter the pieces are joined together under pressure by means of a bonding agent.

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patent: 4059528 (1977-11-01), Grosshandler

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