| 摘要 |
PROBLEM TO BE SOLVED: To provide a strip-like unsealing structure which can be easily unsealed from either one of right and left directions, and a paper-made box or a corrugated fiberboard-made box using the same. SOLUTION: A cutout line (3) comprises a plurality of first cutting lines (5a) which are regularly formed at a predetermined spacing, second cutting lines (5b) having the same shape as that of the first cutting lines which are formed in parallel to the first cutting lines with a predetermined width from the first cutting lines, and third cutting lines (5c) in which a plurality of cutout lines (4) formed between the first cutting line and the second cutting line and formed symmetric to the first or second cutting line are formed regularly at a predetermined spacing. A strip-like unsealing structure comprises a first strip-like part (6) between the first and third cutting lines, and a second strip-like part (7) between the third and second cutting lines. The unsealing direction of the first strip-like part and the unsealing direction of the second strip-like part are opposite to each other. COPYRIGHT: (C)2008,JPO&INPIT
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