Reinforced felt for Trenchless technology of Underground pipe rehabilitation;RTU

摘要

The subject innovation is the elasticity of the non-excavating repair as felt about using, in particular, to a woven fabric (織布) a sheath coated with a synthetic resin and laminated to a nonwoven endothelial reinforced with a woven fabric in several layers, of a woven fabric with weft inclined installing the underground pipe the contrast and sealed by coating with parts of synthetic resin, and is in close contact with the seam pipe, that can withstand a wide range of reverse pressure and curing temperature according to the site conditions by variously adjusting the tensile strength as well as reinforcement of the structure required after curing relates to an underground pipeline structure reinforcement for reinforcing compensation trenchless felt that can meet the level.; The subject innovation is provided a reinforced felt for use in trenchless repair process to form a plate material into a cylindrical shape, and sealed after a butt or lap joints to both ends for installing the underground pipe, the plate material is a synthetic resin to one surface of the woven fabric and a coating shell; Endothelial is laminated to the outer shell with a reinforcing woven fabric to the nonwoven fabric; It consists of a.