PACKING CASE

摘要

Disclosed is a cylindrical packing case (1) extending in the upper-lower direction, comprising an upper unit (2), a lower unit (3) provided with a front side surface (31B) and a rear side surface (31A) in the circumferential direction, a pair of convex folding units (4) upwardly extending from the front side surface (31B) and the rear side surface (31A) of the lower unit (3), wherein a first weak line (W1) is provided along a first boundary (B1) between the upper unit (2) and the convex folding unit (4), a second weak line (W2) is provided along a second boundary (B2) in the circumferential direction between the upper unit (2) and the lower unit (3), a first folding ruled line (Y1) is provided in the circumferential direction between the convex folding unit (4) and the lower unit (3), and a second folding ruled line (Y2) extending in the upper-lower direction (D1) continuing from between the front side surface (31B) and the rear side surface (31A) of the lower unit (3), is provided in the convex folding unit (4).