Pipe joints or couplings – With fluid pressure seal – With separate – encased pipe-gripping means
Patent
1975-11-19
1977-11-22
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
With separate, encased pipe-gripping means
285318, 285354, 285DIG4, F16L 1900, F16L 5500
Patent
active
040592901
ABSTRACT:
A joint is constructed in such a way that threads are formed on outer peripheries of both ends of a connection cylinder, and one of the threads of the connection cylinder is screwed with a cap nut for connection to a hose fitting of the gas cock, and the other thread is screwed to a coupling provided at the tip of the metal pipe for connection to a gas equipment and said cap nut is provided with a clamping means for coupling and pressure gastight fitting of the hose fitting of the gas cock to a connection cylinder, and this clamping means is constructed in such a way that a volute spring is mounted on the inside of the cap nut, and the connection cylinder is firmly and positively connected to the hose fitting of the gas cock to be used for fitting the rubber hose.
REFERENCES:
patent: 2143568 (1939-01-01), Munro
patent: 2211978 (1940-08-01), Joseph
patent: 2323912 (1943-07-01), Johnson
patent: 2503169 (1950-04-01), Phillips
patent: 2698191 (1954-12-01), Samiran
patent: 3459443 (1969-08-01), Butters et al.
patent: 3653691 (1972-04-01), Bram
Callaghan Thomas F.
Philpitt Fred
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