| 摘要 |
PROBLEM TO BE SOLVED: To provide a stretchable container lowered in the center of gravity, excellent in safety, capable of being kept or fed in a state stacked in a multistage fashion and taking no space. SOLUTION: In the stretchable container, a rectangular parallelepiped lower support frame is formed to the lower part of a square cylinder 1 by the erected sections 6 adjacent to the erected sections 3 of four corners, and the crosspieces 4 connecting the erected sections 6 and the upper parts of the erected sections of the lower support frame 9 are inserted in the hollow parts of the erected sections 3 of the square cylinder 1 in a freely slidable manner, and a rectangular chute discharge port forming frame 10 is provided to the lower part in the lower support frame, and the upper ends of the chute forming panels 13 are connected to four crosspieces of the lower end of the square cylinder 1 in a freely foldable manner, and the lower ends of the chute forming panels 13 are supported within the chute discharge port forming frame, and the peripheries of two opposed chute forming panels among four chute forming panels are overlapped with other two opposed chute forming panels.
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