| 摘要 |
PROBLEM TO BE SOLVED: To provide a corrugated cardboard case which can exert display effect on exhibition when it is stacked highly and can assure sufficient ventilation. SOLUTION: The corrugated cardboard case is equipped with a whole flat rectangle bottom wall 2, a pair of left and right sidewalls 3 and a pair of front and back sidewalls 4 which stand up from four sides of left and right direction and front and back direction of the bottom wall and adjacent side edges of which are connected and which are opposed to each other, a broad notch 7 which is provided on each upper edge of a pair of left and right sidewalls and assures a clearance for ventilation between the case and the upper case when the case is stacked, an opening part 6 notched and formed on each lower edge of a pair of front and back sidewalls and a projection 5 which is provided on each upper edge of a pair of front and back sidewalls and is engaged in the opening of upper case when it is stacked, wherein each two or more openings and projections are provided on lower edge and upper edge of each front and back sidewall at a space in the longitudinal direction and the opening is formed in a height dimension capable of assuring a clearance allowing ventilation at upper part of the projection in a state that the projection is engaged in the opening from lower side. COPYRIGHT: (C)2010,JPO&INPIT
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