| 摘要 |
<p>The invention relates to a surface device that comprises a rigid holder (11), an elastically compressible interface (12) connected to the rigid holder, a flexible pad (13) adapted to be applied onto the surface to be machined (30) and a flexible belt (14) applied against and partially covering the side surface (18) of the interface (12), an annular portion (21) of said side surface (18) of the interface (12) being free between said belt (14) and said holder (11).</p> |
