| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging structure which saves underground resources and cost, improves efficiencies in areas such as space, storage and transportation, and prevents effectively a packaging bag from being damaged by combining a box body and a packaging bag simply structure with a square bottom having a big capacity for improving work efficiency in paper making. SOLUTION: In forming this filling/packaging bag with a square bottom, each bottom side of a side face sealed packaging bag formed by heat sealing both sides of a plastic film is formed with a triangular heat sealed part 5 in plane view. In a condition where the bag is filled with an item to be packaged, the bag 8 is deformed and stored in a paper box 9 having roughly the same height as the bag 8.
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