| 摘要 |
A liner for pipeline repair is provided that includes an elastically deformable sleeve (22) having impermeability, a base (24,62,82,110,116,120,130,140, 150,160,172,200) having a sheet-like base portion (35,64,84,202) disposed inside the sleeve, wound into a cylindrical form, and expandable radially and fixing means (36,38,68,70,72,88,90,92,94,112,114,118,122,132,134, 136,138,142,144,146,148,152,154,158,162,164,166,168, 170,174,176,178,180,206,208) disposed in the base for maintaining the base portion in a substantially cylindrical form when the base portion is expanded radially within the sleeve. The liner is used for preventing the outflow of water from a pipeline such as a sewer pipe and/or the inflow of water into the pipeline. |
