Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1989-02-24
1990-04-24
Reese, Randolph A.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285340, 285308, F16L 3712
Patent
active
049194577
ABSTRACT:
A releasable plug connection for semi-rigid pipes in which the elastic retaining ring for holding a pipe in the connection is seated in a flanged ring portion of the stop ring that limits opening movement of the spring taps of the retaining ring and a supporting ring is located between an end face of the flanged ring portion and a plurality of shoulders spaced around the periphery of the entrance to the connection to hold the retaining ring in place.
REFERENCES:
patent: 3751078 (1973-08-01), O'Brian et al.
patent: 4288113 (1981-09-01), Saulnier
patent: 4630848 (1986-12-01), Twist et al.
Knight Anthony
Reese Randolph A.
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