| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method of a booklet for producing a valuable booklet formed by sticking a body sheet and an external sheet in advance, for preventing and detecting peeling and alteration of the body sheet and the external sheet, in which a pattern of strength of adhesion of the body sheet and the external sheet is formed with an optional pattern subsequently.SOLUTION: A method comprises: a peeling detection area setting step for setting a pattern of a peeling detection area which is formed on an integrated sheet which is obtained by sticking a body sheet and an external sheet in advance; and a peeling detection area forming step for, coating a resin solution or a resin emulsion to an outer face of the integrated sheet with predetermined coating means for forming a pattern, for forming a peeling detection area.SELECTED DRAWING: Figure 4 |
