| 摘要 |
PURPOSE:To inspect quickly without stopping a material to be inspected flowing continuously, by arranging a projector above the head of a screw and arranging >=3 optics so as to surround a projecting part of a chute rail. CONSTITUTION:A projector 1 is arranged above a passage of a chute rail 7 attached slantly and it is constituted so that light is projected extending over the whole surface of the head of a screw 5 arranged standing in a row on the rail 7, and also passing continuously through a passage of the rail 7. By such construction, an inspection of a material to be inspected flowing continuously on the rail 7 is performed quickly without stopping the material and an apparatus fit for the total inspection is obtained. |
