摘要 |
An underground water supply and drain pipes of non-excavation device is provided to make the separation of inversion in hardening by combining an apparatus which cuts off water of air leakage with a separable flange of inverter. An underground water supply and drain pipes of non-excavation device is connected to a reverse tank(10) which reels an impregnated reinforcement tube with a pressurize device and comprises a first outflow device of which a space is formed in inside, a separable flange which is fixed to one end of the first outflow device, and of which a space is formed in inside, and a second outflow device which is connected to the other one end of the separable flange, and of which a space is equipped in inside. |