Pipe joints or couplings – Movable jaw – Wedge bushing
Patent
1990-01-12
1993-06-29
Nicholson, Eric K.
Pipe joints or couplings
Movable jaw
Wedge bushing
285243, 285246, 285255, 29508, F16L 3322
Patent
active
052227723
ABSTRACT:
A connector fitting of the cantilever camming and clamping type having a ferrule secured in the main body bore thereof, the ferrule having an end received in one end of a tubular, usually plastic, member as the tubular member is installed. The ferrule provides radial force backup preventing collapse of the tubular member. It seals with the bore of the main body and with the tubular member. The cap bolt part of the fitting may have a tapered or a straight inner surface arranged to engage the outer wall of the tubular member in gripping relation.
REFERENCES:
patent: 3361460 (1966-05-01), Jansen
patent: 3479058 (1969-11-01), Chandler
patent: 3756632 (1973-09-01), Riggs et al.
patent: 4005884 (1977-02-01), Drori
patent: 4188051 (1980-02-01), Burge
patent: 4893846 (1990-01-01), McGraw
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