发明名称 PIPELINE WITH REINFORCING MEANS
摘要 <p>Crack arresters for pipelines comprising a structure of ductile material of high tensile strength applied directly to the pipewall. The structure has the form of a spring, applied around the pipewall under prestress. The spring may have the shape of a helix or the shape of a spiral.</p>
申请公布号 CA1063530(A) 申请公布日期 1979.10.02
申请号 CA19760255232 申请日期 1976.06.18
申请人 SHELL CANADA LIMITED 发明人 HAYES, DAVID J.;BEAUJEAN, JOSEPH M.E.;LINCKLAEN-ARRIENS, JAN
分类号 F16L57/02;(IPC1-7):32B3/02 主分类号 F16L57/02
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