RESIN HOLDING BASE MATERIAL FOR REPAIRING INNER SURFACE OF PIPE AND REPAIR METHOD USING BASE MATERIAL

摘要

PROBLEM TO BE SOLVED: To provide a resin holding base material for repairing an inner surface of a pipe which is less likely to cause wrinkles in a bent portion of the pipe.SOLUTION: There is provided a resin holding base material for repairing an inner surface of a pipe being a three-dimensional structure of warp-knitted knit of a glass fiber or a polyester fiber, where a rear base material 2 is used as a tissue of square-hole patterns L4, L5 and L6 knitted in a chain shape, a surface base material 1 is used as tissues L1 and L2 having lozenge shapes or tortoise-shell shapes, and both of the base materials 1 and 2 are connected to each other by a connection yarn 3.SELECTED DRAWING: Figure 1