Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1976-11-26
1978-08-01
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
2853321, 2853344, 285382, F16L 1700
Patent
active
041039378
ABSTRACT:
A coupling of two members having spherical sealing surfaces to accommodate misalignment of conduits coupled thereby which coupling has one member having a cylindrical portion mechanically maintaining the coupling with the other member having a surface to cooperate with the cylindrical portion.
REFERENCES:
patent: 826431 (1906-07-01), Jones
patent: 2044444 (1936-06-01), Pond
patent: 2332893 (1943-10-01), Clickner
patent: 2704678 (1955-03-01), Klein et al.
patent: 3891246 (1975-06-01), Hopper
Arola Dave W.
Geib Richard G.
Gill Mellor A.
Grumman Aerospace Corporation
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