| 摘要 |
PROBLEM TO BE SOLVED: To provide a more inexpensive device of inspecting contamination of a corrugated cardboard sheet capable of certainly detecting the contamination of the under surface of the corrugated cardboard sheet and made easy to operate and adjust. SOLUTION: In the contamination inspection device for detecting the contamination E on the undersurface of the corrugated cardboard sheet D by the area sensor camera 12 provided just under a sheet guide 3a while allowing the corrugated cardboard sheet D to run on running tables 10 and 11 having the sheet guide 3a interposed therebetween, the sheet guides 3a are provided on the support member 4a arranged in the direction crossing the advance direction of the corrugated cardboard sheet D at a right angle so that a plurality of bridges 5a are provided in an inclined state not parallel to the advance direction of the corrugated cardboard sheet D in a state inclined at a predetermined angle F. COPYRIGHT: (C)2007,JPO&INPIT
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