Pipe joints or couplings – Ball and socket – Radially spaced spherical surfaces
Patent
1975-09-02
1978-01-17
Shedd, Wayne L.
Pipe joints or couplings
Ball and socket
Radially spaced spherical surfaces
285223, F16L 2704
Patent
active
040688682
ABSTRACT:
A universal flexible joint for fluid conduits includes an upper body connectible to an upper conduit and a separate lower body connectible to a lower conduit. A housing surrounds both bodies, there being an upper spherical laminated bearing structure, embodying elastomer elements, between the upper body and upper portion of the housing, and a lower spherical laminated bearing structure, embodying elastomer elements, between the lower body and lower portion of the housing, allowing tensile force to be transmitted from the upper body through the upper bearing structure to the housing and through the lower bearing structure to the lower body, while permitting universal movement between the upper body and lower body relative to the housing. A seal assembly including upper and lower spherical laminated seal structures, each embodying elastomer elements, is disposed between the upper and lower bodies to prevent fluid passage between the interior of the bodies and the housing and to transmit compressive loads therebetween while permitting relative universal movement between the upper and lower bodies.
REFERENCES:
patent: 3504903 (1970-04-01), Irwin
patent: 3680895 (1972-08-01), Herbert et al.
patent: 3712645 (1973-01-01), Herter
patent: 3848899 (1974-11-01), Smith
Shedd Wayne L.
Vetco Offshore Industries, Inc.
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