发明名称 SELF LEVELLING UNDERWATER STRUCTURE
摘要 <p>A self-levelling underwater structure 10 receivable on an upright support 12 implanted in the floor 14 of a body of water and including a hollow unit 16 fitting over the upright support and having a pivot device 17 thereon engaging the upright support so that the hollow unit gravitates to a level position, and a securing assembly 75 for securing the hollow unit to the upright support in the levelled position. A locking assembly is also provided to prevent relative axial movement of the hollow unit and the upright support once the structure is levelled. <IMAGE></p>
申请公布号 GB2110278(B) 申请公布日期 1985.02.27
申请号 GB19810035804 申请日期 1981.11.27
申请人 * NATIONAL SUPPLY COMPANY 发明人 JOHN ERNEST * LAWSON
分类号 E21B43/017;(IPC1-7):E02B17/02 主分类号 E21B43/017
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