Pipe joints or couplings – Convertible
Patent
1986-12-15
1988-12-27
Callaghan, Thomas F.
Pipe joints or couplings
Convertible
285356, 285360, F16L 2104
Patent
active
047936363
ABSTRACT:
The inventive apparatus permits the connection of hoses to connecting pieces, which have a threaded, a ribbed, or a smooth end.
The apparatus comprises three parts, namely the threaded part 1, the hose part 2 and the locking ring 3. The threaded part 1 always remains firmly connected to the connecting piece and thus shields its outer surface (particularly in the case of glass parts) against damage. The hose part 2 always remains connected to the hose. By brief turning, e.g., to the right, the two parts can be firmly connected by means of bosses 5 and slots 4 having mutually engageable serrations, but can be easily detached again by briefly turning in the opposite direction, e.g., to the left.
Connecting pieces having non-threaded outer surfaces, i.e, with ribbed or smooth ends, can be fixed and sealed in the threaded part 1 by means of an O-ring or hose portion pressed between the locking ring 3 and the threaded part 1. Thus, hoses and different types of connecting pieces can be joined together and then easily detached again.
REFERENCES:
patent: 242564 (1881-06-01), Sholder
patent: 641846 (1900-01-01), Davenport et al.
patent: 1195433 (1916-08-01), Bailey
patent: 1202506 (1916-10-01), Galloway
patent: 1383127 (1921-06-01), Kraft
patent: 1591871 (1926-07-01), Heinrich
patent: 1937982 (1933-12-01), Rudolph
patent: 2076918 (1937-04-01), Robison
patent: 2159811 (1939-05-01), Leonardo
patent: 3731954 (1973-05-01), Haglund
patent: 3776577 (1973-12-01), Dickey
patent: 4345783 (1982-08-01), Bergstrand
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