Zipper for a reclosable thermoplastic bag and a process and appa

Buckles – buttons – clasps – etc. – Separable-fastener or required component thereof – Each mating member having similarly shaped – sized – and...

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Details

24400, 24577, 383 65, A44B 1700

Patent

active

050705849

ABSTRACT:
Disclosed is a zipper for a reclosable thermoplastic bag having opposing rib and groove profiles wherein at least one of the opposing zipper profiles has an longitudinally extending part interlockable and substantially free of interdigitation with the opposing profile and wherein the part is structurally discontinuous along its length. When the rib and groove profiles are interlocked, an audible clicking sound and/or a vibratory or bumpy feel perceptible to the touch is imparted.
Further disclosed is a process and apparatus for making the zipper wherein a zipper profile is extruded and indentions are formed within and along it.

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