Filter cartridge

Details Filter cartridge Filter cartridge

1975-01-02

1977-09-13

Adee, John

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210494R, 427244, B01D 2700

Patent

active

040480755

ABSTRACT:
A filter cartridge or element for separating particles from fluid flowing inwardly through the cartridge, and a process for making the same, such cartridge having a central perforated inner tubular core member with a pre-formed mat of non-woven fibrous filter material having a width substantially equal to the length of the core member and wrapped around only the core member and itself in a continuous spiral layer to form a roll of the mat. The roll mat of filter material is contained or confined by an open mesh material such as that formed by a substantially single layer of a strand of roving wound in an open criss-cross or open diamond weave pattern around only the outer periphery of the material of the rolled mat and itself so as to maintain a permanent dimensional and structural stability or integrity during subsequent handling and use.

REFERENCES:
patent: 2742160 (1956-04-01), Fogwell
patent: 3065856 (1962-11-01), Goldman
patent: 3261473 (1966-07-01), Riede
patent: 3398837 (1960-08-01), Adams
patent: 3450632 (1969-06-01), Olson et al.
patent: 3470028 (1969-09-01), Sizer, Jr. et al.
patent: 3471028 (1969-10-01), Miller et al.

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