Liquid purification or separation – With repair or assembling means
Patent
1986-06-03
1989-10-03
Fisher, Richard V.
Liquid purification or separation
With repair or assembling means
210238, 2104164, 210DIG5, 210DIG17, 55506, 55507, B01D 2708
Patent
active
048714550
ABSTRACT:
A filter assembly including a base for supporting and providing fluid connection to a removable filter cartridge, the base having a hollow connecting end for mating with the cartridge, a removable filter cartridge comprising a filter medium and having a connecting end shape to mate coaxially with the end of the base in a rotatable, telescopic relationship, the connecting end of one of the base and the cartridge having lug means extending radially toward the end of the other, the other connecting end having corresponding passage means for lockably receiving the lug means, the telescopically related mating ends of the base and cartridge providing radially opposed surfaces of circular cross-section about the mutual axis of the connecting ends of the base and cartridge, and a circular elastomeric sealing ring providing a radial seal between the circular cross-section surfaces, preventing liquid flow past it between the telescopic ends. Also disclosed are a spring locking mechanism to bias the lug means into locked position, and a filter cartridge having its filter medium both mechanically and adhesively secured to its connecting end member.
REFERENCES:
patent: 3160000 (1964-12-01), Masher
patent: 3272340 (1966-09-01), Hungerford, Jr.
patent: 3458050 (1969-07-01), Cooper
patent: 3490594 (1970-01-01), Hutchins, Jr.
patent: 4052307 (1977-10-01), Humbert, Jr.
patent: 4320005 (1982-03-01), De Graffenreid
patent: 4588503 (1986-05-01), Sugiera
Murphy James D.
Terhune Ralph D.
Facet Enterprises Inc.
Fisher Richard V.
Millard Wanda L.
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