Joint used in one of a water inlet or water outlet of a...

Details Joint used in one of a water inlet or water outlet of a... Joint used in one of a water inlet or water outlet of a...

2006-07-18

2006-07-18

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

With repair or assembling means

C210S440000, C210S444000, C285S039000, C285S321000, C285S340000, C285S390000, C285S417000

Reexamination Certificate

active

07077955

ABSTRACT:
A joint used in one of a water inlet or water outlet of a filter cylinder, or a water inlet or a water outlet of a filter casing is disclosed. The joint is a round cylindrical tube and comprises at least one first waterproof washer installed near one end of the round cylindrical tube; an outer thread on an outer surface of the round cylindrical tube and behind the waterproof washer; an opening away from the washer is a round opening and an interior of the round cylindrical tube is formed as a polygonal hole; a front end of the T shape sleeve have a plurality of tapered claws the waterproof washer encloses the front end of the T shape sleeve so as to be expanded by the tapered claws; thereby the round cylindrical tube; and a water tube.

REFERENCES:
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patent: 3910307 (1975-10-01), Jankowski
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patent: 3950251 (1976-04-01), Hiller
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patent: 4981586 (1991-01-01), Bartholomew
patent: 5269571 (1993-12-01), Haggard
patent: 5865996 (1999-02-01), Reid
patent: 5882511 (1999-03-01), Blomquist
patent: 5885450 (1999-03-01), Reid

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