| 摘要 |
<p>PROBLEM TO BE SOLVED: To inspect, easily with high accuracy, a molding defect of a container block body in which the trunk part of each of a plurality of containers are coupled with each other, with the main surfaces of twist-off parts aligned in a row.SOLUTION: The present invention comprises: an image-capturing device for image-capturing a container block body placed on an inspection table from a position above the inspection table, to obtain an inspection image; an illumination light source for illuminating the container block body from a position diagonally above the inspection table off an image-capture visual field of the image-capturing device; and a plane mirror disposed in an image-capture region of the image-capturing device facing a container head part side in the container block body, the plane mirror reflecting an image of the container block body seen from the twist-off part side into the image-capturing device. The present invention is further provided with a shielding plate for hiding a container shoulder part and head part in the container block body to block illumination to the shoulder part and head part.</p> |
