Pipe joints or couplings – Nonmetal to metal
Patent
1979-04-19
1981-09-08
Arola, Dave W.
Pipe joints or couplings
Nonmetal to metal
285322, 285423, 285DIG22, F16L 3300
Patent
active
042881129
ABSTRACT:
A connecting piece capable of providing a connection with supply lines carrying a gaseous or fluid media. One end of the connecting piece has a nonsymmetrical connecting member adapted to encircle and embrace the end of a supply line inserted thereinto. The other end of the connecting piece has a threaded member. The two parts are assembled by inserting one into the other. An annular quick release lock consisting of an annular groove in one of the connecting members and a continuous annular projection on the other connecting member enables the two parts to be connected together. A central opening extends through both parts. Additional structure is provided on the parts to provide a visible indication to the user that the two parts are fully connected together.
REFERENCES:
patent: 1760011 (1930-05-01), Selah
patent: 2327714 (1943-08-01), Iftiger
patent: 3394950 (1968-07-01), Jensen
patent: 3924881 (1975-12-01), O'Connor
patent: 4042262 (1977-08-01), Mooney et al.
patent: 4103941 (1978-08-01), Stoll
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