| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a process for producing a trunk which is low in cost and has little danger. SOLUTION: This trunk has plural faces (10 to 14). The joint sides of the base surface (10) and the flanks (11 to 14) enclosing the same are bent at prescribed radius R. The truck is provided with corner pieces (2A, 2B, 2C, 2D, 3A, 3B, 3C and 3D) covering the corner parts of the side parts formed by the ends of the flank parts adjacent to each other and the base surface (10). These corner pieces, thereupon, detain the flanks to each other and the base surface.</p> |
