Filter elements

Details Filter elements Filter elements

1974-04-01

1976-04-13

Hart, Charles N.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

210497R, B01D 3914

Patent

active

039502562

ABSTRACT:
A support structure for a pleated filter element is moulded of nylon and has parallel spaced bars joined at one face by the bases of frusto-conical fingers moulded integrally therewith. During manufacture of the element, the rows of fingers are engaged in the pleats of pleated filter medium from a pleating machine and the assembly is then curved into cylindrical shape.

REFERENCES:
patent: 1618165 (1927-02-01), Boschelli
patent: 2016993 (1935-10-01), Dollinger
patent: 3165473 (1965-01-01), Pall et al.
patent: 3255987 (1966-06-01), Gatch
patent: 3486626 (1969-12-01), Close
patent: 3679537 (1972-07-01), Huer et al.
patent: 3692184 (1972-09-01), Miller, Jr. et al.

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