Filtration medium including uniformly porous planar substrate an

Details Filtration medium including uniformly porous planar substrate an Filtration medium including uniformly porous planar substrate an

1992-08-28

1994-03-08

Dawson, Robert A.

Liquid purification or separation

Filter

Material

210505, 210508, 55524, B01D 3916

Patent

active

052924386

ABSTRACT:
A novel filtration medium, preferably of the closed loop belt type, comprising a woven substrate which is overlaid by a disparate layer comprising a plurality of individual thermoplastic resin particulates which are controllably spaced apart from one another and bonded at fixed spaced apart locations to one to another and to the strands of the woven substrate. These resin particulates serve to define the pore structure and pore size for the medium. A method for the manufacture of the filtration medium is disclosed.

REFERENCES:
patent: 3919369 (1975-11-01), Holden
patent: 4470859 (1984-09-01), Benezra et al.
patent: 5089075 (1992-02-01), Sonoda

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