Filter cartridge with a lugged concentric closure portion

Details Filter cartridge with a lugged concentric closure portion Filter cartridge with a lugged concentric closure portion

1988-10-13

1989-08-15

Fisher, Richard V.

Liquid purification or separation

With repair or assembling means

210238, 210440, 210444, 210450, 210DIG17, 55490, 55502, 55508, B01D 2708, B01D 3530

Patent

active

048571890

ABSTRACT:
A filtering system for water treatment including a head member having inlet and outlet ports and a replaceable, disposable filter cartridge for insertion into the head member, the filter cartridge including a dual lug retaining system for retaining the filter cartridge in the head member, one of said lug retaining systems being disposed on the pressure vessel of the filter cartridge and the other of said lug retaining systems being disposed on the closure member of the filter cartridge.

REFERENCES:
patent: 3746171 (1973-07-01), Thomsen
patent: 4051036 (1977-09-01), Conrad et al.
patent: 4052307 (1977-10-01), Humbert, Jr.
patent: 4349438 (1982-09-01), Sims
patent: 4529515 (1985-07-01), Selz
patent: 4654142 (1987-03-01), Thomsen et al.
patent: 4719012 (1988-01-01), Groezinger et al.
patent: 4735716 (1988-04-01), Petrucci et al.
patent: 4781830 (1988-11-01), Olsen

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