Pipe joints or couplings – With means blocking release of holding means – Set screw
Patent
1998-10-30
2000-07-25
Arola, Dave W.
Pipe joints or couplings
With means blocking release of holding means
Set screw
28513321, 285179, 285360, F16L 5500
Patent
active
060928441
ABSTRACT:
A pipe coupler for connecting pipes together is disclosed. The pipe coupler includes a cylindrical socket. A pair of insertion grooves are formed inside the socket, and each of a pair of packings is inserted into each of the insertion grooves to seal off connecting portions of two pipes. A plurality of withdrawing paths are formed inside both end portions of the socket, and a pair of binding grooves respectively communicate to the pluralities of the withdrawing paths. A plurality of protuberances are formed on each of the connecting portions of the two pipes correspondingly to the plurality of the withdrawing paths, for being inserted into the plurality of the withdrawing paths. The connecting portions of the two pipes are slightly rotated after entering into the socket so as to make the protuberances disposed within the binding grooves and between the withdrawing paths. A pair of bolt holes are formed in the socket, for receiving bolts to fix the socket to the connecting portions of the two pipes, whereby a pipe connection is securely maintained.
REFERENCES:
patent: 74950 (1868-02-01), Steger
patent: 1167832 (1916-01-01), Martin
patent: 2230098 (1941-01-01), Wurzburger
patent: 2926028 (1960-02-01), Hookings et al.
patent: 2943869 (1960-07-01), Nordin
patent: 3201149 (1965-08-01), Bragg
patent: 3715135 (1973-02-01), Paddington
patent: 4930816 (1990-06-01), Yih
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