Pipe joints or couplings – Ball and socket – Radially spaced spherical surfaces
Patent
1980-06-16
1982-08-10
Callaghan, Thomas F.
Pipe joints or couplings
Ball and socket
Radially spaced spherical surfaces
2853344, F16L 2706
Patent
active
043434991
ABSTRACT:
A ball joint has a flange and nut with matching spherical surfaces in the seal area of the joint. A frusto-conical wear ring seals between the matching surfaces with an inner and an outer line of contact between the ring and the surfaces to provide a spring type seal.
REFERENCES:
patent: 1568649 (1926-01-01), Woodruff
patent: 1799834 (1931-04-01), Waterman
patent: 2703722 (1955-03-01), Christophersen
patent: 2949320 (1960-08-01), Low et al.
patent: 3033595 (1962-05-01), Bard
patent: 3273919 (1966-09-01), Billeter et al.
patent: 3357723 (1967-12-01), Dumont et al.
patent: 4273363 (1981-06-01), Angel
Dumar, Jr. William L.
Ledlow Jimmie E.
Callaghan Thomas F.
Case Morris A.
Donahue Bernard A.
The Boeing Company
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