Structure water filter outer shell

Details Structure water filter outer shell Structure water filter outer shell

1998-09-08

1999-11-16

Lithgow, Thomas M.

Liquid purification or separation

With repair or assembling means

210238, 210444, 210450, 55502, 55503, B01D 2708, B01D 3530, B01D 3531

Patent

active

059851430

ABSTRACT:
A water filter outer shell having an improved sleeve and top cover. The top cover and sleeve are formed with interior and exterior conical surfaces, the lower half of the conical surface of the outer shell having exterior threads. The top cover is fastened by screwing interior and exterior threads near the conical surfaces of the top cover and outer shell to eliminate three components from the known device. The tightness and water permeation seal are thus stronger and more effective. The structure has lower production costs to improve market competition.

REFERENCES:
patent: 3262570 (1966-07-01), Gailitis
patent: 3920553 (1975-11-01), Cilento
patent: 5342519 (1994-08-01), Friedmann

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