Depth filter cartridge and method and apparatus for making same

Details Depth filter cartridge and method and apparatus for making same Depth filter cartridge and method and apparatus for making same

1992-08-20

1994-08-23

Spear, Frank

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210505, 264178F, B01D 2707

Patent

active

053404793

ABSTRACT:
A depth filter formed of a plurality of substantially continuous intertwined filaments including a central support zone formed of support filaments having a first diameter and a filter zone formed of filtration filaments having filaments of a second diameter in which the diameters are different or the filaments are constructed of different materials. The invention also relates to an apparatus and a method for making such a depth filter element.

REFERENCES:
patent: 3251475 (1966-05-01), Till et al.

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