PACKAGING BOX WITH FLAP, AND PUNCHING BLADE FOR PUNCHING THE FLAP OUT OF PAPER

摘要

PROBLEM TO BE SOLVED: To provide a packaging box with flaps in which a finger tip of a user is less easily cut when unsealing the box. SOLUTION: In the packaging box 1 with outer flaps 14a, b, c and d (flaps) formed of paper material and unsealed by hooking the finger tip of the user on other ends 19a, b, c and d (flap edges) when unsealing the box, projection parts 2 are provided on the other ends 19a, b, c and d (flaps) in a predetermined interval between 4 mm and 20 mm.