| 摘要 |
PROBLEM TO BE SOLVED: To reduce a closed volume as products are removed by a method wherein in a bent position, a free edge of a soft flap is positioned on one surface of a soft product-enclosing chamber, while a part of the flap having a reduced height is positioned on the opposed surface of the soft product-enclosing chamber. SOLUTION: A chamber 22a has an internal space which is reduced as the amount of remaining products 36a reduces, otherwise the amount of air or moisture existing in the chamber 22a in contact with the products is reduced. The chamber 22a is closely wound around the remaining products 36a and the chamber is bent on itself and tightened. Dimensions, volume, or height is determined depending on the amount of the products remaining after some of the products are removed by a consumer or user. If the amount of the products remaining in the chamber is reduced further, a flexible flap 28 is wound around itself to a maximum extent. Each dead fold strip allows a shape having a reduced height.
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