JPS61117112U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one embodiment of a packaging box according to the present invention, FIG. 2 is a developed view of the same, and FIG. 3 is a perspective view showing a conventional packaging box. 11: Bottom plate, 12: Front wall, 13: Back wall, 14:
Left wall, 15: Right wall, 16: Extension piece, 18: Inner wall,
19: ear plate, 21: triangular piece, 23: extended overlapping piece.

Claims (1)

[Scope of utility model registration request] In a packaging box in which both longitudinal ends of an ear plate connected to the upper end of one of the four walls folded up approximately perpendicularly from the bottom plate are attached to the adjacent wall, At the same time, an extension piece is bent at a substantially right angle to both longitudinal ends of the opposite wall, and an ear plate is bent at a substantially right angle to the upper end of one of the opposing walls. An extension overlapping piece is connected to both ends in the longitudinal direction via a triangular piece, and the extension piece and the extension overlapping piece are integrally formed via a broken line, and the extension piece and the extension overlapping piece are connected to the upper end of the other opposing wall. What is claimed is: 1. A packaging box characterized in that an inner wall is provided in a row to sandwich the pieces, and corner reinforcing pieces are provided in a row at both ends of the inner wall in the longitudinal direction.