To provide a box for delivery which can be used as a substitute for an envelope or a bag and is suitable for reuse after a housed content is taken out.
The box 1 for delivery is formed of a left receiving member 3, a right receiving member 4, a back joining member 5, and a front joining member 6. The left receiving member 3 and the right receiving member 4 are extending from the left and right pieces of a rectangular bottom plate 2 and formed to be bent. The back joining member 5 is extending from a back side of the bottom plate 2, formed to be bent, and is retained by inserting tongue pieces thereof into locking oblong holes of the left receiving member 3 and the right receiving member 4. The front joining member 6 is extending from a front side of the bottom plate 2, formed to be bent, and is retained by inserting the tongue pieces thereof into locking oblong holes of the left receiving member 3 and the right receiving member 4. The box can be easily assembled by the structure in which one sheet material is cut to have a predetermined shape and provided with necessary bending lines and incisions without a bonding step. In the state in which the sheet-like matters before assembling are stacked, they are not bulky as well as conventional envelopes or bags.
Norio Morioka
Hisayoshi Sekiguchi