LEAKAGE REPAIR METHOD IN EXISTING PIPE JOINT PART AND SEALING MATERIAL INJECTION TUBE FOR LEAKAGE REPAIR IN EXISTING PIPE JOINT PART

摘要

PROBLEM TO BE SOLVED: To perform even sealing across the whole periphery of a joint even if no yarn is present between the inner surface of a socket and the outer surface of a spigot at the joint.;SOLUTION: There are provided: a process of drilling an insert hole P20, at the joint P10 which is led to a space S between the inner peripheral surface of the socket P11 and the outer circumferential surface of the spigot P21; a process of positioning the tip 60A of a seal material injection tube 60 in the vicinity of the insert hole P20 as the seal material injection tube 60 is inserted through the insert hole P20 while the seal material injection tube 60 stays surrounding the spigot P21; and a process of shifting the seal material injection tube 60 as if pulled out of the insert hole P20 while injecting out the seal material M from the tip 60A of the seal material injection tube 60 for the seal material M to be injected across the whole of within the space S.;COPYRIGHT: (C)2013,JPO&INPIT