Coupling assembly for a fluid purification system

Details Coupling assembly for a fluid purification system Coupling assembly for a fluid purification system

1997-01-29

1999-05-18

Brittain, James R.

Pipe joints or couplings

With assembly means or feature

Particular tool-engaging means or with tool

28514819, 285220, 285247, F16L35/00;33/00

Patent

active

059043768

ABSTRACT:
A coupling, which has a longitudinal bore for fluids to pass through, for connecting a tube to a pair of fittings that can be tightened and loosened with a wrenching tool, including a nipple positioned at one end of the coupling; a first threaded mating portion positioned at an opposite end of the coupling; a second threaded mating portion positioned adjacent the nipple; a wrenching portion disposed on the coupling having a front end and a rear end and extending above the first threaded mating portion with the wrenching portion rear end including a shoulder extending below the wrenching portion front end; and, whereby the first threaded mating portion engages one of a pair of fittings and the second mating portion engages the other of a pair of fittings.

REFERENCES:
patent: 537439 (1895-04-01), Conley
patent: 1782691 (1930-11-01), Krannak
patent: 2413878 (1947-01-01), Maky
patent: 3306319 (1967-02-01), Kendt et al.
patent: 3593743 (1971-07-01), Guth
patent: 4736969 (1988-04-01), Fouts
patent: 5487833 (1996-01-01), Fife et al.
patent: 5607189 (1997-03-01), Howeth

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