REGENERATION METHOD FOR EXISTING PIPE AND TOOL FOR REGENERATING EXISTING PIPE

摘要

PROBLEM TO BE SOLVED: To provide a regeneration method for an existing pipe for repairing the existing pipe while a hot line is laid in its inside.;SOLUTION: This tool 10 for regeneration is provided with a flexible inner side plate member 11 having a groove part 16 for arranging a communication cable 2 and formed into a circular arc shape and a flexible outer side plate member 12 arranged on an outer side face of the inner side plate member 11 and formed into a circular arc shape. The tool 10 for regeneration is arranged between a regenerating member 3 and an outer peripheral face of a repair machine 20 while the communication cable 2 is sandwiched between the inner side plate member 11 and the outer side plate member 12. The repair machine 20 is expanded by action of fluid pressure in the existing pipe 1 to press the regenerating member 3 on an inner peripheral face of the existing pipe 1.;COPYRIGHT: (C)2008,JPO&INPIT