| 摘要 |
MULTIPOSITION INTERLOCKING CLOSURE FASTENING DEVICE An interlocking closure fastening device comprising a first closure element and a second closure element wherein the first closure element or the second closure element may comprise a plurality of closure element units having the same or alternately different structures. The closure fastening device is particularly adapted for multiposition occlusion of the closure elements such as in connecting various parts of plastic film to itself, different plastic films to each other, and variable-depth pouches, containers, or storage bags. |
