发明名称 Fastener and devices in which load supporting members are secured thereby
摘要 In devices, such as well tools, components which must support heavy loads are connected by a simple fastening device capable of transferring the heavy load from one component to the other, with the load being accepted by the fastening means in compression, and with the fastening means occupying only a small radial space.
申请公布号 US4319773(A) 申请公布日期 1982.03.16
申请号 US19800120046 申请日期 1980.02.11
申请人 ARMCO INC. 发明人 LAWSON, JOHN E.
分类号 E21B33/047;(IPC1-7):F16L39/00 主分类号 E21B33/047
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