| 摘要 |
<p>There are provided a sandblasting apparatus and a method for processing a workpiece which has a first surface to be processed adjacent to a second surface not to be processed. The apparatus includes a masking device (10) for masking the second surface and an abrasive blowing device for causing abrasive grains to impinge against the workpiece to process the first surface. The masking device (10) includes a masking tape (14), an intermittent tape travelling device (18, 20, 22, 30) for causing the masking tape to travel to index a portion (14a) of the masking tape (14) in the vicinity of the workpiece intermittently, and an urging device (16) for bringing the portion of the masking tape (14) into contact with the second surface of the workpiece to cover the same.</p> |
