| 摘要 |
PROBLEM TO BE SOLVED: To prevent distortion or wrinkles from occurring on a top panel which is set inside and a front panel when a carton is raised and assembled for filling contents by providing notches on a part of a crease between the top panel and a pasting piece and a part of a crease between the top panel and the front panel. SOLUTION: A blank 10 for assembling the easy-to-unseal rolled carton comprises a pasting piece 11, a top panel 12, a front panel 13, a bottom panel 14, a rear panel 15, a front cover panel 16 and a front cover panel 17, which are connected via longitudinal creases (a) to (f). If this case, a notch A is provided on a part of the crease (a) which is a crease between the top panel 12 and the pasting piece 11, and a notch B is provided on a part of the crease (b) which is a crease between the top panel 12 and the front panel 13, respectively. A region surrounded by the notches A, and a pair of lines P of breakage becomes an open/close portion X, which is unsealed with the pair of lines P of breakage cut at the same time as unsealing of the top cover panel 14.
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