Fluid filter

Details Fluid filter Fluid filter

1995-07-07

1997-01-07

Walker, W. L.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

2104932, 2104935, 55491, 55492, 55498, 55521, B01D 2706

Patent

active

055913385

ABSTRACT:
A fluid filter is of the kind having a tubular flow-through core surrounded by a pleated wire cage around which a filter medium in the form of a pleated bag is mounted with the pleats in the bag extending into and around the pleats of the wire cage. The filter medium is formed by a sheet of filter material having draw-string ends which fold over and are tied down on opposite ends of the cage. Sealing assemblies which eliminate the need for conventional gaskets are used to seal the folded over and tied down ends of the filter medium. The arrangement facilitates the assembly, removal and re-use of filter media.

REFERENCES:
patent: Re32851 (1989-01-01), Tarala
patent: 2298980 (1942-10-01), Sloan et al.
patent: 4058463 (1977-11-01), Bartik
patent: 4481110 (1984-11-01), Shannon
patent: 4652285 (1987-03-01), Greene
patent: 4878930 (1989-11-01), Manniso et al.
patent: 5059223 (1991-10-01), Diebolder
patent: 5147540 (1992-09-01), Hagan
patent: 5151181 (1992-09-01), Barry

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