| 摘要 |
PROBLEM TO BE SOLVED: To provide a bookbinding method for a wireless bound booklet that enables a wireless bound booklet equipped with an excellent spread property to be book-bound by a simple method.SOLUTION: A bookbinding method for a bound booklet of this invention is characterized by setting the width of each of two streaks curved in the back face center region of a front paper material to a range of 0.3-0.8 mm, coating the rear face of a paper material laminate and the interior of one streak of the front paper material with a first adhesive, coating a narrower area than a coated area of the adhesive layer with a second adhesive by overlapping on the first back adhesive layer, pressing the back part of the front paper material from outside while being heated by using a heating tool in a condition that the back face of the paper material laminate and the front and rear faces are wrapped with the front paper material to make the second adhesive diffuse over the whole face of the first adhesive layer excluding the one streak and its vicinity, and fill the interior of the other of the streaks to harden and cure the second adhesive. |
