Filter body having closely adjacent filter material

Details Filter body having closely adjacent filter material Filter body having closely adjacent filter material

1986-05-01

1988-03-22

Fisher, Richard V.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210446, 210457, 2104931, 21049701, 55498, 55500, 55521, B01D 2606

Patent

active

047326786

ABSTRACT:
A filter device comprising a cannister container of impervious material having therewithin a pleated filter with at least one of the side edges of each of the individual pleats being sealed. Appropriate inlet/outlet structure is provided with the cannister body, as well as an appropriate support base for holding same. In one embodiment, the pleated filter material has both side edges of the individual pleats sealed and large spaced flow passageways between the respective edges are provided by a plurality of seals between the edges. Another embodiment has only one side edge of the individual pleats sealed with the other side edge being open for collectively sealing same by the structure of the cannister body itself. In this embodiment, a larger plurality of fluid flow passageways are provided by multiple sealed portions between the respective side edges of the individual pleats. After the pleated material is formed and sealed, the overall structure is formed in the shape of a torus for appropriate mounting in one of the various cannisters.

REFERENCES:
patent: 3279609 (1966-10-01), Francois
patent: 3317045 (1967-05-01), Dummler
patent: 3392843 (1968-07-01), Mumby
patent: 3490594 (1970-01-01), Hutchins, Jr.
patent: 3506475 (1970-04-01), MacDonnell
patent: 4046697 (1977-09-01), Briggs et al.
patent: 4310419 (1982-01-01), Nara et al.

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