| 摘要 |
PROBLEM TO BE SOLVED: To provide a box which is closed without using an adhesive tape, or the like. SOLUTION: In at least one opening 13, inner folding pieces 14 and 15 are provided on one pair of facing sides of the opening, and outer folding pieces 16 and 17 are provided on the other pair of facing sides. Insertion slits 20 and 21 are formed on folding lines 18 and 19 of the inner folding pieces, and insertion pieces 26 and 27 to be inserted in the insertion slits are provided on both sides of the outer folding pieces. Hooking parts 26c and 27c are provided on base ends of the insertion pieces. When the insertion pieces are inserted in the insertion slits, the hooking parts provided on the base ends of the insertion pieces are hooked by both ends of the insertion slits. COPYRIGHT: (C)2005,JPO&NCIPI
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