Filter frame with a dual channel guide strip

Details Filter frame with a dual channel guide strip Filter frame with a dual channel guide strip

1989-06-29

1991-07-16

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210499, 55511, 55DIG31, B01D 2905

Patent

active

050322729

ABSTRACT:
For use in internally supporting a filter element of the fabric, bag-shape type there is provided a support frame having a border at least a part of which is defined by a single guide strip typically substantially W-shaped in cross-section and which presents two guide channels to face inwards of the frame for the spaced apart support of two mesh layers. A single deformed length of the guide strip may be used to form a base and two side portions of a rectangular shaped support frame.

REFERENCES:
patent: 2677436 (1954-05-01), Mazek
patent: 2885083 (1959-05-01), Peterson et al.
patent: 2902165 (1959-09-01), Imershein
patent: 3339742 (1967-09-01), Kracklauer
patent: 3475884 (1969-11-01), Kulzer
patent: 4790935 (1988-12-01), Johnson

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