发明名称 |
STEEL PIPE HAVING EXCELLENT PROGRESSIVE BUCKLING RESISTANCE PROPERTY |
摘要 |
PROBLEM TO BE SOLVED: To provide a steel pipe having an excellent progressive buckling resistance property against earthquake. SOLUTION: This steel pipe has weld lines extending in parallel with a pipe axis at respective circumferential positions divided into at least three portions rotationally symmetrically around the pipe axis. COPYRIGHT: (C)2004,JPO
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申请公布号 |
JP2003307285(A) |
申请公布日期 |
2003.10.31 |
申请号 |
JP20020112359 |
申请日期 |
2002.04.15 |
申请人 |
NIPPON STEEL CORP |
发明人 |
KAYAMORI YOICHI;INOUE TAKEHIRO;KIKUCHI YOSHIKAZU |
分类号 |
F16L9/04;(IPC1-7):F16L9/04 |
主分类号 |
F16L9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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