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
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