| 摘要 |
PURPOSE:To enable the reuse of a remaining object in the pressure feeding hose of a castable refractory body by inserting a push-out body made of hard rubber, etc., from one end of the hose and transferring the push-out body in the hose by means of pressurized. CONSTITUTION:A push-out body 3 made of hard rubber is inserted into one end of a pressure feeding hose 1 after pressure feeding a castable refractory body and pressurized air is fed to the rear thereof. Thereby, the push-out body 3 is moved in the hose 1 to push out the castable refractory body 2 remaining in the hose 1 to the other end and recover name. By this structure, the effective reuse of the remaining object in the hose can be performed. |
