Zipper for reclosable thermoplastic bag
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 1992
Grant Date -
N/A
app pub date -
May 13, 1991
filing date -
May 13, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A zipper closure for a reclosable thermoplastic bag includes two opposing interlockable rib and groove profiles, wherein at least a part of one or both of the profiles is divided into segments of materials having different elastic moduli. The zipper provides an audibly and/or tactilely perceptible indication of proper interlocking of the profiles.
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