发明名称 METHOD FOR SEALING PIPES
摘要 The invention describes a method of lining a passageway (20) by everting into the passageway a liner. The resin (18) is applied to the everting face of the liner inside the passageway and the everting faces defined by absorbent material (14). A vacuum is applied to the portion of the liner which travels along the passageway and before eversion, so that the resin will be drawn into the absorbent material effectively.
申请公布号 DE3173936(D1) 申请公布日期 1986.04.03
申请号 DE19813173936 申请日期 1981.12.21
申请人 INSITUFORM INTERNATIONAL INC 发明人 CHICK, DOUGLAS K.;WOOD, ERIC
分类号 B29C63/36;F16L55/165;F16L58/10;(IPC1-7):B29C63/36;F16L55/16 主分类号 B29C63/36
代理机构 代理人
主权项
地址