包装箱 - Rengo Co., Ltd.

Title:

包装箱

Document Type and Number:

Japanese Patent JP7383457

Kind Code:

B2

Abstract:

To improve folding workability of a packaging box.SOLUTION: A packaging box 1 is provided with: a polygonal tubular outer peripheral wall 10 having a top plate 11, a bottom plate 12, and a pair of side plates 13; and a pair of lid walls 20 provided at both ends of the outer peripheral wall 10 and having an upper outer flap 21, a lower outer flap 22 and a pair of inner flaps 23. The top plate 11 is provided with a breaking line 30 for opening one surface of the outer peripheral wall 10. The upper outer flap 21 and the lower outer flap 22 are provided with first folding curves 40a, 40b for bending them, respectively. The lower outer flap 22 is provided with a pair of second folding curves 41 that inclines so as to be widened downward. The bottom plate 12 is provided with a bottom plate bent portion 42 for bending the bottom plate 12. The upper outer flap 21 is fixed and the lower outer flap 22 is detachably fixed, to the pair of inner flaps 23.SELECTED DRAWING: Figure 1

Inventors:

Sekiya Matsuura

Application Number:

JP2019205619A

Publication Date:

November 20, 2023

Filing Date:

November 13, 2019

Export Citation:

Click for automatic bibliography generation Help