| 摘要 |
PURPOSE: Sandblaster is provided to rotate air sprayed through spraying nozzle in spiral shape, thereby evenly spray abrasion material sprayed by the air. CONSTITUTION: Air of high pressure is supplied by spraying nozzle(10). Abrasion material supply pipe(20) is connected to one side of the spraying nozzle. The abrasion material supply pipe supplies abrasion material to inside of the spraying nozzle. Spraying hole(11) is formed in lower part of the spraying nozzle. Guide(12) of spiral shape is formed in inner periphery of the spraying nozzle. Air sprayed through the spraying nozzle is rotated in spiral shape. The abrasion material supply pipe is connected between the guide and the spraying hole.
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