| 摘要 |
PROBLEM TO BE SOLVED: To provide an insertion slit for a carton, that can be opened reliably so that an insertion part provided on a flap can be inserted into the insertion slit in a paper carton, facilitating insertion, and closing the carton.SOLUTION: Provided is an insertion slit 15 for a carton 20 configured such that two flaps overlap each other, and an insertion part 1 provided on an upper flap 11 located on an upper side is inserted into the insertion slit 15 of a lower flap 10 located on a lower side, thereby closing the carton 20, the insertion slit 15 comprising: an insertion slit body 3; a trunk-side cut 4; and a lower-flap-side cut 5, the lower-flap-side cut 5 being disposed line symmetrically with the trunk-side cut 4 about the insertion slit body 3 which acts as an axis of symmetry.SELECTED DRAWING: Figure 1 |
