Coiled filter element for filtering of liquids

Details Coiled filter element for filtering of liquids Coiled filter element for filtering of liquids

1976-01-13

1977-08-02

Wyse, Thomas G.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210497FB, B01D 2706, B01D 2906, B01D 2910

Patent

active

040394573

ABSTRACT:
A strip of filter material is folded so as to form two closely adjacent strip portions which are of one piece and have aligned longitudinally extending free edges and longitudinally extending second edges transversely spaced from the free edges and unitary with one another. The strip is coiled so that each of the strip portions forms a plurality of convolutions which alternate with the convolutions of the other strip portion. Means is provided in the region of the second edges for preventing liquid being filtered from forcing contaminant particles through the filter material.

REFERENCES:
patent: 2564637 (1951-08-01), Chase
patent: 2889932 (1959-06-01), MacKintosh
patent: 3279616 (1966-10-01), Bourdale
patent: 3606739 (1971-09-01), Peterson
patent: 3739916 (1973-06-01), Cub et al.
patent: 3759391 (1973-09-01), Dreher

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