| 摘要 |
PURPOSE:To suitably prevent a small commodity from damaging, by manufacturing a barrel with a wooden perforated plate. CONSTITUTION:A small article P of a button, etc., becoming a processing object is inputted in the specified number into a barrel 1 rotated in an obliquely upward state and manufactured by a wooden perforated plate 11. Then, the surface of the small article P is delustered, by executing sandblasting toward the small article P under rotation of this barrel 1. |
