| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an inspection method with which the mouth part of a container can be inspected without inspection omission.SOLUTION: An inspection method of a container mouth part includes an illuminating step of illuminating the outer peripheral side face of the mouth part 101 of a bottle 100 from obliquely above the bottle 100, and an imaging step of photographing the outer peripheral side face from the axial line AX direction of the bottle 100 through a fisheye lens 3a, where in the imaging step, reflection light of illumination light having entered the outer peripheral side face of the mouth part 101 that has been reflected on a face formed by a chip 103 generated at the mouth part 101, is photographed through the fisheye lens 3a.</p> |
