| 摘要 |
PROBLEM TO BE SOLVED: To provide a vacuumized storage bag for reducing the environmental pollution by reusing the bag repeatedly a plurality of times. SOLUTION: An opening 2 is formed on a part of the bag 1 with the opening used as an inlet and an outlet and provided with a sealable structure, and an outer sealing body 4 and an inner sealing body 5 are so mounted removably on both inner and outer sides of the opening 2 as to cover the opening, and a space 6 wherein a filter medium 7 is fitted is formed inside both sealing bodies 4 and 5, and the space 6 is communicated with the interior of the bag 1 through a communicating hole 13 formed on the inner sealing body 5, and also communicated with the exterior of the bag 1 through the through-hole 11 formed on the outer sealing body 4, and an unbreathable sheet 3 with a vent hole 3a is placed on a position offset the through-hole on the outside of the through-hole 11, and the interior of the bag is kept to be vacuumized through the check valve.
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