| 摘要 |
PROBLEM TO BE SOLVED: To achieve the enhancement of the bending accuracy of a corrugated cardboard sheet and the reduction of production cost in a slitter scorer. SOLUTION: The slitter scorer, which applies rule processing to the corrugated cardboard sheet in the running direction thereof and cuts the corrugated cardboard sheet in the running direction and has an upper head 61 and a lower head, is equipped with a plurality of lift arms 10 respectively independently provided to the frame 3 of the upper head 61 in a liftable manner, a plurality of upper rule rolls 11 and 12 respectively provided to the leading ends of the arms 10 and having different leading end shapes and a plurality of lower rule rolls provided to the frame of the lower head and having different leading end shapes. A plurality of the upper rule rolls 11 and 12 and a plurality of the lower rule rolls can be selectively used.
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