| 摘要 |
The invention relates to a method for folding a stack of sheets, said method comprising the steps of: pre-folding the stack of sheets along a crease line into a main plane such that a booklet with a straight back is obtained; urging a part of the back into a meandering pattern, wherein the meandering pattern is caused in a secondary plane perpendicular to the main plane; and subsequently releasing the part of the back, such that the part of the back may return to a straight back part. The invention further relates to a device for folding a stack of sheets according to this method.
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