| 摘要 |
PROBLEM TO BE SOLVED: To separate safely and simply a cut-off blade by simply disassembling by one shot a main body side wall part and a lid body side wall part. SOLUTION: At least either two bending lines among bending lines 1a, 2a and 3a of a bottom board 1, a front board 2 and a back board 3, and at least either one bending line between bending lines 5a and 6a of a top board 5 and a covering lid piece 6 are separately constituted by breaking lines, and cutting starting parts 8 continuous to the individual breaking lines are provided along at least either one bending line of the bending lines 1a, 2a and 3a of the bottom board 1, the front board 2 and the back board 3 and the bending line 5a of the top board 5 in which these breaking lines are not formed. When the breaking lines are cut from the cutting starting parts 8, at least the two bending lines among the bending lines 1a, 2a and 3a of the side boards 4a, 4b and 4c and at least one bending line of the bending lines 5a and 6a of the lid side boards 7a and 7b are separated, and the main body side wall part 4 and the lid body side wall part 7 are disassembled, and a carton blank P itself becomes a single flat sheet. COPYRIGHT: (C)2008,JPO&INPIT
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