Abstract: Reclosable bags having a slider-actuated string zipper and a tamper-evident feature. In one aspect, the reclosable bag comprises: a receptacle having a mouth and an interior volume; a string zipper installed in the mouth; a slider mounted to the string zipper; and a tamper-evident feature that blocks access to all or a portion of said interior volume. The tamper-evident feature may take the form of an internal membrane that partitions the interior volume or an external header that covers the string zipper. In some embodiments with a partitioned interior volume, the tamper-evident feature comprises a peel seal.

Abstract: A reclosable package or bag having a mouth with a hermetic plastic zipper installed therein. The hermetic zipper has first and second interlockable profiled structures connected by a frangible connection and having no flanges. The package or bag is constructed such that the frangible connection resides on the product side of the zipper, i.e., the frangible connection extends inside the receptacle of the package or bag, when the package is in an unopened state, i.e., when the zipper is closed. Preferably, the first interlockable profiled structure has at least one male member with an expanded head and the second interlockable profiled structure has at least one female member with a groove for receiving the expanded head of a male member.