| 摘要 |
PROBLEM TO BE SOLVED: To provide a foreign matter inspection device capable of detecting contamination of a foreign matter in liquid in a vessel such as a bottle or a plastic bottle in a production line for producing a liquid product such as a drink or a drug, or detecting surely even a foreign matter in a colored bottle or plastic bottle or colored liquid. SOLUTION: In this inspection device for optically inspecting an inspection object including the liquid product by an imaging means, and inspecting a foreign matter intermingled in the inspection object, a circular cone prism is disposed between the inspection object and the imaging means. COPYRIGHT: (C)2004,JPO
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