Liquid treatment apparatus

Details Liquid treatment apparatus Liquid treatment apparatus

Filed on

1978-09-18

Date issued

1979-11-13

Examiner

Wyse, Thomas G.

Patent Class

Liquid purification or separation

SubClass

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

SubSubClass

Responsive to fluid flow

Other Related Categories

210323T, 285321, 285375, B01D 2916

Type

Patent

Status

active

Patent number

041742826

Description

ABSTRACT:
A liquid precoat filter has a multitude of elongated replaceable filter elements that have one of their ends supported on tubes that project upwardly from a tube sheet. The individual filter elements are releasably connected to the tubes by couplings that permit a spring clip to lock under shoulders when the filter element is pushed down; the spring clip is released when the filter element is rotated about one-quarter of a turn. A sliding seal prevents leakage between the filter elements and their support tubes.

REFERENCES:
patent: 2714021 (1955-07-01), Froidevaux
patent: 3279608 (1966-10-01), Soriente et al.
patent: 3405807 (1968-10-01), Burkhardt
patent: 3450424 (1969-06-01), Calisher
patent: 3615016 (1971-10-01), Soriente et al.
patent: 3637240 (1972-01-01), Meier
patent: 3698747 (1972-10-01), Wing et al.
patent: 3718350 (1973-02-01), Klein
patent: 3779386 (1973-12-01), Ryan
patent: 4105562 (1978-08-01), Kaplan et al.

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