| 摘要 |
<p>The case has a curved low resistance cut line traversing a rectangular shaped symmetrical lateral surface from a rear surface until a front surface along a line which increases towards a rectangular shaped upper surface (50) and then decrease towards a rectangular shaped surface forming a base. The position of a highest part of the cut line along an axis perpendicular to the plane of the base is spaced from the position of a lowest point along the axis, from a distance equal to the half of the height of the lateral surface. The case is formed of a sheet made of flat or corrugated cardboard.</p> |
