To provide a polishing block suitable for polishing and finishing while suitably responding to a curve of a vehicle body surface of an automobile.
In the polishing block 1 comprising a member having flexibility, a flat polishing member mounting surface capable of mounting and removing a polishing member is formed on a lower side and a grip part 3 is arranged on an upper side. The grip part includes a projection part projected from a bottom part side at a lower side toward a head top part side at an upper side, and two groove lines 4 extended in parallel toward one direction of the polishing block are formed on the projection part. By the two groove lines, a central projection part extended toward in one direction at a center and a pair of right and left projection parts extended toward one direction at both sides of the central projection part while clamping the two groove lines between them are divided/formed.
| WO/2006/065402 | MILLWORK SANDING SPONGE |
Kenichi Wakui
Norihiro Yamamoto
Kazunaga Suzuki