发明名称 |
LEAD PIPE RECOVERY DEVICE |
摘要 |
<p>PROBLEM TO BE SOLVED: To provide a device for recovering a lead pipe from the underground when replacing an existing lead pipe with a new pipe. SOLUTION: The device comprises a pair of gears 16 for sandwiching the existing lead pipe 1 cut in the axial direction, driving means 32 for rotationally driving the main gear 16a, and adjusting means 31 for adjusting a space for the lead pipe 1 to be sandwiched between the pair of gears 16.</p> |
申请公布号 |
JP2003056752(A) |
申请公布日期 |
2003.02.26 |
申请号 |
JP20010252183 |
申请日期 |
2001.08.23 |
申请人 |
KUBOTA CORP |
发明人 |
ARAKAWA NORIYUKI;ISHIHARA TAKAHIRO |
分类号 |
E21D9/06;F16L1/00;F16L1/024;F16L55/00;F16L55/26;(IPC1-7):F16L1/024 |
主分类号 |
E21D9/06 |
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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