| 摘要 |
PURPOSE:To enable to abrade a recessed section with an acute cross section and other angle sections sharply and effectively by sticking a ''VELCRO'' fastener on the peripheral surface of a hard substrate with a triangular cross section except a corner part and firmly fixing the abrasive paper to the fastener. CONSTITUTION:The tip exposed surface 9 of an abrasive paper holder is covered with abrasive paper 12, and the rear face of both sides of the abrasive paper 12 is fixed to a ''VELCRO'' fastener 4. Here, when the abrasive paper 12 stuck with a raising clothe 13 on its rear is used, the abrasive paper 12 can be fixed to the fastener 4. Then, the acute edge side of an abrasive paper holder A is put on the surface 14 to be abraded, and it is abraded in a normal manner. In this case, a hard substrate 3 is in direct contact with the rear of the abrasive paper 12 on the acute edge side of the abraside paper holder A, therefor the force applied to the abrasive paper holder A during abrasion can be conveyed to the abrasive paper 12 without loss, thereby the shape of the abrasive paper at the portion corresponding to the acute angle line 1 of the abrasive paper holder A can be made near to the acute angle line 1 as much as possible, thus the angle section 14 can be sharply abraded. |
