| 摘要 |
A fastener for a reclosable package comprises a flexible zipper and a string for maintaining zipper closure. The fastener may optionally further comprise a slider for pressing the string into a groove on the zipper and/or extracting the string from the groove. In one embodiment, the fastener comprises first and second zipper parts and a string. The first zipper part comprises a rib. The second zipper part comprises a first body, a second body and a narrow strip connecting the first and second bodies. The first and second bodies and the narrow strip define first and second grooves having respective openings on opposing sides of the second zipper part. The first groove is profiled to receive and hold the string, while the second groove is profiled to receive and hold the rib.
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