发明名称
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a tool for pulling a regeneration pipe in capable of avoiding dropping of the regeneration pipe from a tip and catching of the regeneration pipe in a bent section of an existing pipe when pulling the regeneration pipe into the existing pipe. <P>SOLUTION: A substantially cylindrical insertion part 2A inserted into the inside of the regeneration pipe 1 is provided in a tip plug 2 mounted in a tip part of the regeneration pipe 1 made of thermoplastic resin, and channels 23, 23 are provided in a plurality of sections on an outer peripheral face of the insertion part 2A to deform the regeneration pipe 1 to fit it into the channels 23, 23 by utilizing tightening bands B, B. Consequently, it is possible to prevent the tip plug 2 from dropping from a tip of the regeneration pipe 1 during regeneration pipe pulling-in work. Also, it is possible to prevent the tip part of the regeneration pipe 1 from being bent to prevent a situation where the regeneration pipe 1 is caught in the existing pipe and cannot be pulled in. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p>
申请公布号 JP4619154(B2) 申请公布日期 2011.01.26
申请号 JP20050061353 申请日期 2005.03.04
申请人 发明人
分类号 F16L55/16;B29C63/26;F16L1/00;F16L55/00;F16L55/18 主分类号 F16L55/16
代理机构 代理人
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