Packing box

Abstract

The present invention provides a packaging box that can be assembled with simple operations, can be transformed from a transport state to a support state, and has high support strength for bottles. [Solution] The top plate 20 has front and rear upper inner flaps 21, 22 connected to the upper edges of the front and rear side plates 11, 12, and left and right upper outer flaps 23, 24 connected to the upper edges of the left and right side plates 13, 14 and superimposed on the upper surfaces of the front and rear upper inner flaps 21, 22. On the upper edge of the front side plate 11, a break guide line 50 is formed in an annular shape with a left-right width greater than the outer diameter of the neck portion 40 of the beverage bottle B, extending to the front edge of the front upper inner flap 21. Furthermore, on the tips of the left and right upper outer flaps 23, 24, left and right inclined bending guide lines 60 are formed, extending diagonally backward from the tip edge of the upper outer flap 23, 24 to the rear edge of the upper outer flap 23, 24.

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