发明名称 Pipe liner bag everting nozzle and pipe lining method
摘要 A pipe liner bag everting nozzle is provided for allowing an operator to freely access a manhole during a lining operation. A pipe liner bag everting nozzle comprises a guide tube fixing end for fixing one end of a guide tube, and a pipe liner bag fixing end for fixing a folded end of an uneverted pipe liner bag passed through the guide tube, wherein the guide tube fixing end has a diameter smaller than a diameter of the pipe liner bag fixing end. Since a guide tube having a smaller diameter than that of a pipe line to be repaired (or the pipe liner bag) can be used, a sufficient gap is formed between the guide tube and the manhole, thereby allowing the operator to freely access the manhole during the lining operation for inspection and confirmation of a lining situation.
申请公布号 US2004045617(A1) 申请公布日期 2004.03.11
申请号 US20030658497 申请日期 2003.09.09
申请人 KAMIYAMA TAKAO;YOKOSHIMA YASUHIRO;ENDOH SHIGERU;AOKI HIROYUKI 发明人 KAMIYAMA TAKAO;YOKOSHIMA YASUHIRO;ENDOH SHIGERU;AOKI HIROYUKI
分类号 F16L1/00;B29C63/36;F16L55/165;(IPC1-7):F16L55/16;B29B9/00;B32B1/00;B32B31/00 主分类号 F16L1/00
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