Pipe joints or couplings – Ball and socket – Oscillative
Patent
1979-08-17
1981-08-04
Arola, Dave W.
Pipe joints or couplings
Ball and socket
Oscillative
285414, F16L 2704
Patent
active
042818613
ABSTRACT:
A ball joint having first and second tubular members to be connected; the first tubular member extending toward the second tubular member and having an internal annular sealing means; the second tubular member extending toward the first tubular member and having an external annular spherical surface engaging within said sealing means, means for interconnecting the first and second tubular members so that relative pivoting of the members about the center of the annular spherical surface, the second tubular member and the sealing means being removable and replaceable through the flange connecting to the second tubular member.
REFERENCES:
patent: 957694 (1910-05-01), MacDonald
patent: 1615774 (1927-01-01), Russell
patent: 3977707 (1976-08-01), Oliver
Arola Dave W.
Cameron Iron Works, Inc.
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