| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a thickness inspector, in which the thickness of a glass bottle can be measured optically with high accuracy, using laser light. SOLUTION: The thickness inspector comprises means 1 for irradiating a glass bottle 20 with stripe laser light having a constant width, a lens 2 receiving the laser light reflected on the inner and outer surfaces of the glass bottle 20, an image pickup means 3 for capturing the reflected light passed through the light receiving lens 2 as an image screen, and a unit 4 for operating the average thickness at a part of constant width irradiated with laser light from the image screen.</p> |
