| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for inspecting any oblique fitting of a cap capable of reliably inspecting any oblique fitting of the cap. SOLUTION: In the method of inspecting any oblique fitting of the cap 100 fitted to an opening neck part 112 of a container 110, the cap 100 is irradiated with the luminous flux L with a predetermined width so that the flux is partially blocked by the cap 100, the container 110 is rotated around the center axis N as the center, and it is judged whether or not the oblique fitting is present based on the difference between the maximum value and the minimum value of the light quantity Q of the luminous flux reaching the opposite side while being partially blocked during the rotation. COPYRIGHT: (C)2007,JPO&INPIT
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