| 摘要 |
PROBLEM TO BE SOLVED: To provide a blank manufacturing system capable of more surely detecting defective products.SOLUTION: The blank manufacturing system is configured to manufacture a blank for a container from a slender web having a defect indication mark attached to the side edge. The blank manufacturing system comprises: a first mark detection portion for detecting the defect indication mark attached to the web; a cutting portion that cutts the web to obtain the blank; and a second mark detection portion for detecting the defect indication mark attached to the blank. |
