| 摘要 |
PROBLEM TO BE SOLVED: To solve the technological problem of developing a new book cover and a manufacturing method thereof, capable of coping even as providing materials of causing service also service as sales promotion in a bookstore, on the one hand, formable as a merchandise line suitable even for onerous provision by revealing a constant quality.SOLUTION: A front paper cover part 10 is formed by integrally continuously providing a fixed cover part 11, a back paper cover part 12 and an adjustment cover part 13, and a pocket flap 14 folded in so as to overlap with this, is also provided inside the fixed cover part 11, and a fixed insertion pocket P1 is formed between the fixed cover part 11 and the pocket flap 14, on the one hand, an adjustment flap 15 folded in so as to overlap with this is extendedly formed inside the adjustment cover 13 on a free end side of the adjustment cover part 13, and a flap presser band 16 for inserting and holding a free end of the folded-in adjustment flap 15, is also provided inside the adjustment cover part 13.SELECTED DRAWING: Figure 2 |
