E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
61/12.1
E02B 17/02 (2006.01) B63B 35/44 (2006.01) E02B 17/00 (2006.01) E02D 27/52 (2006.01)
Patent
CA 1108418
ABSTRACT OF THE DISCLOSURE A ball joint for flexibly connecting a marine structure such as an oil rig or the like to marine bed for allowing the tilt of the structure without subjecting the base thereof to undue stress. The ball-and-socket assembly is protected exteriorly of the structure from attack by sea water by an outer, torsion resistant bellows and by an inner flexible apron, the two defining two annular chambers filled with liquid sealant such as oil and maintained in communication with a sealant container disposed at the water surface level to compensate the water column pressure at the joint. The protection of the joint combines with other disclosed features of the joint to extend operation life of the joint and to facilitate replacement of neoprene or the like frictional elements inserted between coacting surfaces of the hemispherical shells of the joint.
317880
Bayer Karl
Butt Heinz G.
Salewski Jurgen
Bilfinger + Berger Bauaktiengesellschaft
Gowling Lafleur Henderson Llp
Gutehoffnungshutte Sterkrade A.g.
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