| 摘要 |
PROBLEM TO BE SOLVED: To provide a repairing machine, which can be smoothly moved inside of a branch pipe independently of the condition of the inside of the pipe such as a bent part of a branch pipe and a displacement of a connection part and of which movement can be operated from an opening of a dwelling house box. SOLUTION: This repairing machine is provided with a telescopic rubber sleeve 7 for surrounding a space between a pair of heads 2, 2 in the fore and aft direction, which are connected to each other by a flexible hollow pipe 4, for sealing, a flexible rubber heater 8 provided along the inside of the rubber sleeve 7, a spring 9 for energizing the rubber heater 8 to the circumferential direction, and shell-shaped guide members 11 respectively fixed in front and rear of the heads 2, 2. The head 2 is provided with an air coupler 13 for leading the air into the rubber sleeve 7, a connector 10 for current carrying the heater, and a joint for connecting a connectable push-pull bar 14 made of the flexible material. The branch repairing machine is inserted into the branch pipe 18 for pushing and pulling by connecting the push-pull bar 14 to the joint 15. |
