Filtering septum

Details Filtering septum Filtering septum

1979-03-01

1980-11-18

Sever, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210498, B01D 2518

Patent

active

042344301

ABSTRACT:
An improved filtering septum for a restricted flow of liquid for filtration and liquid clarification having a pair of metal sheets each having an array of closely spaced small diameter perforations punched therethrough so as to form burrs on the inner face of each of the sheets at the periphery of the perforations, secured in face-to-face relation with the perforations of one sheet completely out of registry with those of the other such that the burrs of each sheet bear against unperforated areas of the other sheet along lines of imperfect contact pervious to a restricted flow of liquid.

REFERENCES:
patent: 1639133 (1927-08-01), Greene
patent: 2269031 (1942-01-01), MacArthur
patent: 3052360 (1962-09-01), Imershein

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