Leg for supporting a marine structure
1,121,256. Leg for offshore structures. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 14 March, 1967, No. 11822/67. Heading E1H. Legs 3 for supporting a marine structure consisting of a platform 1 and derrick 2, are each provided with a substantially flat element 9 of negative buoyancy having an o...
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Zusammenfassung: | 1,121,256. Leg for offshore structures. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 14 March, 1967, No. 11822/67. Heading E1H. Legs 3 for supporting a marine structure consisting of a platform 1 and derrick 2, are each provided with a substantially flat element 9 of negative buoyancy having an opening through which the leg passes and each element 9 is freely displaceable along its respective leg over at least part of the length of the leg. The elements have no fixed connection with the legs 3 and they may be metal plates of circular or other configurations. They prevent the legs from being non- uniformly loaded by the action of even strong currents round the base of the legs. |
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