| 摘要 |
PROBLEM TO BE SOLVED: To provide a bookbinding device capable of reducing occurrence of air bubble on a spine part of a booklet.SOLUTION: A bookbinding device 1 is configured such that: an adhesive agent application roller 52 having a rotation axis 52a extending in a vertical direction of a back face PSa of a sheet bundle PS applies an adhesive agent G to the back face PSa of the sheet bundle PS; one point in the vertical direction of the back face PSa of the sheet bundle PS to which the adhesive agent G has been applied by the adhesive agent application roller 52 is brought into contact with a front jacket sheet P2; and then the back face PSa of the sheet bundle PS is brought into contact with the front jacket sheet P2 sequentially, from an initial contact point to a direction separating from the initial contact point along the vertical direction, thereby causing the front jacket sheet P2 adhering to the back face PSa of the sheet bundle PS. |
