| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a booklet which has an appropriate joined state by preventing the enlargement and complication of a device, and forming a large number of notches per sheet. SOLUTION: A notched groove Va is formed at a spine Sb of a batch Sa of sheets to which an adhesive is applied and a large volume of the adhesives are interposed in the groove. In addition, a notching procedure is taken to a single piece of the sheet S a plurality of times by changing the notch V position, and thereby, a plurality of the notched grooves Va are formed. COPYRIGHT: (C)2010,JPO&INPIT
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