Filter medium and method of manufacturing the same

Details Filter medium and method of manufacturing the same Filter medium and method of manufacturing the same

1985-05-30

1987-02-24

Wyse, Tom

Liquid purification or separation

Magnetic

210496, 2105021, 55515, 428244, 428242, B01D 3506, B01D 3914

Patent

active

046455973

ABSTRACT:
A filtering member made of a filtering paper or nonwoven fabric tape is folded into a V-shaped cross sectional configuration, absorbing agents are uniformly dropped into the folded filtering member, the filtering member is further folded to wrap the absorbing agents therein and finally the filtering member is twisted to form a filter medium in the form of a string. The absorbing agents may be active carbon, active kaoline, water absorbing resin, magnetized magnetic material or combinations thereof.

REFERENCES:
patent: 2568144 (1951-09-01), Cremer et al.
patent: 3664095 (1972-05-01), Asker et al.
patent: 4016080 (1977-04-01), Williams
patent: 4201827 (1980-05-01), Heitkamp
patent: 4313832 (1982-02-01), Shimizu et al.
patent: 4395332 (1983-07-01), Klein
patent: 4604205 (1986-08-01), Ayers
patent: 4608173 (1986-08-01), Watanabe et al.

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