Filter with an open-cell elastomeric foam

Details Filter with an open-cell elastomeric foam Filter with an open-cell elastomeric foam

1976-02-04

1977-08-02

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210169, 210323T, 210494R, 210496, 2104971, B01D 2906

Patent

active

040394484

ABSTRACT:
A filter for the water of swimming pools or the like comprises: a cylindrical body having, coaxially, an inner hollow surface and an outer peripheral surface; a pair of opposed disks that seal the ends of the body; and an axial fitting, that generally is spaced from the hollow surface and that connects the disks; the direction of flow being through the fitting, to the hollow surface, through the body and from the peripheral surface. Preferably, the cylindrical body is formed by the overlapping convolutions of an elastomeric foam sheet and the filter is incorporated in a system that employs a coagulant for enhancing filtration efficiency and a caustic for enabling filter cleansing.

REFERENCES:
patent: 2463929 (1949-03-01), West
patent: 2883058 (1959-04-01), Jaume
patent: 3139402 (1964-06-01), Armbrust
patent: 3173865 (1965-03-01), Bosico
patent: 3212242 (1965-10-01), Florine
patent: 3224592 (1965-12-01), Burns et al.
patent: 3253715 (1966-05-01), Painter et al.
patent: 3321088 (1967-05-01), Williamitis
patent: 3360131 (1967-12-01), Witkowski
patent: 3859215 (1975-01-01), Lang et al.
patent: 3947362 (1976-03-01), Etani

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