| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for preventing a device from being damaged by application of external force thereto following movement of pigs, concerning a device for storing a lining material between a plurality of pigs, and coating the pipe inner surface.SOLUTION: Pigs 1, 2 are stored in a net 4 having closed both ends, and each pig 1, 2 and the net 4 are arranged relatively movably in the net 4. In a lining method, a lining material 3 is stored between each pig 1, 2, to thereby perform smoothly coating 22 of the pipe 21 inner surface.SELECTED DRAWING: Figure 1 |
