Multilayer paper sheet filter cartridges

Details Multilayer paper sheet filter cartridges Multilayer paper sheet filter cartridges

1976-01-12

1977-07-05

Wyse, Thomas G.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210493B, 210497R, 210505, B01D 3918

Patent

active

040338819

ABSTRACT:
Filter tubes or cartridges are provided comprising a plurality of paper filter sheets of differing pore size, arranged in sequence of fluid flow therethrough according to decreasing pore size, and formed in a concentric corrugated tubular configuration, with at least one foraminous relatively rigid support externally of the outermost and/or internally of the innermost sheet member of the filter tube, in corrugated supporting juxtaposition thereto.

REFERENCES:
patent: 3246767 (1966-04-01), Pall et al.
patent: 3334753 (1967-08-01), Royer et al.
patent: 3505794 (1970-04-01), Nutter et al.
patent: 3570675 (1971-03-01), Pall et al.
patent: 3573158 (1971-03-01), Pall et al.
patent: 3592767 (1971-07-01), Pall
patent: 3867294 (1975-02-01), Pall et al.

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