| 摘要 |
PURPOSE:To facilitate work by blowing the polishing members to the surface of a stony step by a large quantity of the low pressure air by a blower and applying the slip preventing adjustment on the surface of the stony step. CONSTITUTION:A large quantity of low pressure air is divided into two parts by a blower 1, and one part is sent into a manifold 3 through a main pipe 4, and distributed into each low pressure hose 9, and each prescribed quantity of air is sent into each low pressure hose 9 by adjusting each valve 5. The other part of the air is sent into a tank 6 through a bypass 7, and presses the accommodated polishing members, and a prescribed discharge quantity is sent into the hose 9 through a discharge passage 10 by adjusting each valve 8. Then, the polishing members are jetted from a nozzle 11 by the low pressure air generated by the blower 1, and blown on the surface of a stony step. Accordingly, the surface of the stony step 15 polished or exfoliated to a desired degree, and work can be carried out easily. |
