Reversible vacuum filter cartridge

Details Reversible vacuum filter cartridge Reversible vacuum filter cartridge

2007-02-15

2010-06-08

Menon, Krishnan S (Department: 1797)

Liquid purification or separation

Filter

Pipe or plate attached type

C210S406000, C210S416100, C210S445000, C210S446000, C210S451000, C210S455000

Reexamination Certificate

active

07731036

ABSTRACT:
A reversible vacuum filter cartridge for connection to a pair of tubes or other entities to filter a liquid medium placed in one of the tubes or other entities is described. The filter cartridge is comprised of a male coupling and a female coupling. The couplings are interconnected to one another by simply pushing a mating projection of the male coupling into a mating cavity of the female coupling. A connecting port is provided in the male and female coupling and has a conduit communicating with tube connecting ends of each of the couplings which communicate with an open end of a tube connected to each of the couplings. The connecting port is identical in each of the couplings and serves either as vacuum port or an air intake port. A filter disk is retained captive between perforated outer walls of each of the couplings when interconnected together in fluid-tight relationship.

REFERENCES:
patent: 3788483 (1974-01-01), Conway
patent: 5873967 (1999-02-01), Clark et al.
patent: 2002/0164202 (2002-11-01), Bullivant

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