Pipe lining method

专利名称：Pipe lining method发明人：Takao Kamiyama,Yasuhiro

Yokoshima,Shigeru Endoh,Hiroyuki Aoki

申请号：US09/018069申请日：19980203公开号：US06103052A公开日：20000815

摘要：A pipe lining method is provided for accurately cutting or punching out a pipeliner bag after being lined on an inner wall of a pipe with a good operability whilepreventing an operation environment from being contaminated. A fluid pressure isapplied to act on a pipe liner bag introduced in a pipe to press the pipe liner bag ontothe inner wall of the pipe. A thickness reducing member is brought into contact with theouter surface of the pipe liner bag to partially reduce the thickness of the pipe liner bag.A predetermined pipe lining operation with the above state maintained. Then, an externalforce is applied to a thickness reduced portion of the pipe liner bag to break the portion.

申请人：KAMIYAMA; TAKAO,YOKOSHIMA; YASUHIRO,ENDOH; SHIGERU,AOKI;HIROYUKI

代理机构：Whitham, Curtis & Whitham

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