| 摘要 |
PROBLEM TO BE SOLVED: To provide a box body capable of not only flattening by folding up but also being easy in manufacture, low in cost and high in a degree of freedom of design.SOLUTION: The box body comprises a bottom member 1 composed of a hard plate material, sidewall members 3a, 3b, 4a and 4b composed of the hard plate material and arranged along the respective sides of the bottom member 1 and a skin member 2 composed of a cylindrical soft sheet material, superposed on an outer surface of the sidewall members 3a, 3b, 4a and 4b and extended upward from the peripheral edge of the bottom member 1. The sidewall members 3a, 3b, 4a and 4b are connected at the upper edge to the upper edge of the skin member 2, and are rotatably provided between the inside and the outside of the skin member 2 with the upper edge of the skin member 2 as the axis. |
