| 摘要 |
PROBLEM TO BE SOLVED: To provide a container formed of rigid, lightweight frame members which can be folded, particularly when unused. SOLUTION: U-shaped frame members 10a-10d, 12a-12d, 13a-13d respectively for a front body A, a rear body B a right side body C and a left side body D are joined rigidly at least at respective one position of corners 20, and the front body is foldably joined with the right side body, the right side body is foldably joined with the rear body, the rear body is foldably joined with the left side body and the left side body is foldably joined with the front body, and a container consequently made up approximately in a cubical shape can be fabricated into a standing box-line shape having an opening at the time of use, and can be folded up into a flat shape when unused.
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