(19)Fresh off Patent
(45) Week of Oct 5, 2026 No. 5 3,852 lapsed 197 picks
Storage & Containers · lapsed Aug 30, 2026

Dried Food Fresh-Keeping Packaging Bag Structure

Sheet 1 of the patent drawingsSheet 2 of the patent drawingsSheet 3 of the patent drawings

(57) Abstract

A dried food fresh-keeping packaging bag structure includes a packaging bag and a fresh-keeping device in the packaging bag. The fresh-keeping device includes a storage box. One side of the storage box is attached to an inner surface of the packaging bag. The storage box has a storage chamber filled with a preservative. One side of the storage chamber is formed with an outlet provided with a breathable film to block the preservative. An outside of the breathable film is provided with a sealing film to seal the storage chamber. One end of the sealing film extends to an outside of a mouth of the packaging bag to form a pull portion. When in use, the pull portion is pulled to tear the sealing film from the fresh-keeping device, so that the dried food product in the packaging bag is kept dry by the preservative.

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