发明名称 |
Fluid supply interruption free method of construction |
摘要 |
An existing straight pipe 1 is cut off at two locations by rotating two seal-up housings 2 each mounted with a cutter 3, to form two cutoff groove 12C. A straight pipe portion 1p between the two cutoff grooves 12C remains left without retrieval, to impart a flexibility and contraction and expansion properties to a pipeline.
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申请公布号 |
US2002007851(A1) |
申请公布日期 |
2002.01.24 |
申请号 |
US20010874531 |
申请日期 |
2001.06.05 |
申请人 |
SUIKEN CO., LTD. |
发明人 |
SATO TOSHIYUKI;YAMASHITA TAMOTSU |
分类号 |
F16L41/06;(IPC1-7):F16L55/18 |
主分类号 |
F16L41/06 |
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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