Filter unit with high-pressure filter cap

Details Filter unit with high-pressure filter cap Filter unit with high-pressure filter cap

2005-01-18

2005-01-18

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

C220S304000

Reexamination Certificate

active

06843378

ABSTRACT:
A high pressure filter cap configured to withstand a high pressure differential and to minimize the deposit of residue on the filter cap threads. The body of the cap has, protruding from its lower surface, two circular flanges concentrically arranged about a central axis. The outer flange is threaded on its inner surface to engage the threads of a filter housing. The inner flange accommodates, on its outer surface, a sealing component such as an o-ring. A retainer, removably attached to the cap, holds the sealing component in place.

REFERENCES:
patent: 2696915 (1954-12-01), Kasten et al.
patent: 4617117 (1986-10-01), Messinger et al.
patent: 5413712 (1995-05-01), Gewiss et al.
patent: 6235194 (2001-05-01), Jousset

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