| 摘要 |
<p>Suction system for dust produced by flexible abrasives having an abrasive disc (1) fastened to a rotary backup pad (2), wherein said disc shows cuts (3) for suction, formed without removing material in correspondence of backup pad apertures (4). A possible central hole (5, 6) of the disc and of the backup pad respectively, preferably polygonal-shaped, promotes the correspondence between said cuts (3) and said apertures (4). <IMAGE></p> |
