| CPC B65D 5/5021 (2013.01) [B65D 5/2057 (2013.01)] | 9 Claims |
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1. A packaging member having a containing area formed by folding a single cardboard sheet, the packaging member comprising:
a bottom portion having a rectangular shape; and
a wall portion that is folded from a perimeter of the bottom portion to be erected upward,
wherein
the wall portion, as seen from above, surrounds the containing area,
the wall portion has
a pair of first wall portions that are disposed opposite to each other across the containing area in a first direction, and that are each folded inward into a polygonal-tube shape,
a pair of second wall portions that are disposed opposite to each other across the containing area in a second direction orthogonal to the first direction, and
a pair of holding portions that are folded, toward the first direction, from opposite edges of each of the pair of first wall portions in the second direction
the pair of holding portions each have
opposed portions disposed opposite to inner surfaces of the second wall portions, and
insertion pieces formed by further folding, toward the second direction, sides of the pair of holding portions opposite to sides of connection with the first wall portions,
the second wall portions each have a wall-portion slit, and,
by inserting the insertion pieces in the wall-portion slit, the first wall portions and the second wall portions are held in a standing state,
wherein
the wall portion has a pair of the holding portions at each of opposite sides thereof in the second direction,
the pair of second wall portions each have the wall-portion slit, and
the insertion pieces of each of the pair of holding portions at each of the opposite sides of the wall portion in the second direction are inserted in the wall-portion slit disposed opposite to the insertion pieces.
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