| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrugated cardboard by which even an article with complicated shape can be packed along its profile while high cushioning property is retained. SOLUTION: The corrugated cardboard 10 comprises a corrugated board and a flat board adhered to at least one face thereof, and the press-ruled lines 11 are provided in at least two directions on the flat board so as to pass obliquely in the directions reverse to each other with respect to the wavy line of the corrugated board. Since the cardboard can be folded in at least two directions other than the wavy line by the above press-ruled lines, even the complicated-shape article 15 can be packed by the cardboard 10 along the profile of the article. After packing the heteromorphic article 15, the surface of package shows a unique pattern in a grid or hexagonal shape which is formed by the cells surrounded with the respective press-ruled lines. Thereby, the cardboard has an aesthetic characteristic such that it expresses beautiful appearance, and further has an important practical advantage such that a cushioning space 17 is formed between the cardboard 10 and the surface of the article 15 in the folding lines 16. COPYRIGHT: (C)2008,JPO&INPIT
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