| 摘要 |
PROBLEM TO BE SOLVED: To prevent folded sheets or the open end of a sheet bundle from being almost opened. SOLUTION: This sheet processing device comprises a pair of curl imparting rollers 100 curling at least one of the tip and rear end of sheets in the thickness direction thereof and a folding device 71 folding the sheets or the sheet bundle curled by the pair of curl imparting rollers. The folding device 71 folds the sheets or the sheet bundle so that the end part Pa of the sheets P or the sheet bundle curled by the pair of curl imparting rollers 100. The folded sheets or the sheet bundle becomes hard to open at its open end, and its quality can be increased. COPYRIGHT: (C)2006,JPO&NCIPI
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