Zipper closure with unitary adhesive cover sheet
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United States of America Patent
Stats
-
Sep 1, 1987
Grant Date -
N/A
app pub date -
Aug 5, 1985
filing date -
Aug 5, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Zipper closures for selective attachment along elongated openings in preexisting containers such as bags or cartons to thereby convert such cartons or bags into reclosable containers. The closure for each container comprises a section of a zipper strip assembly having a pair of separable and reclosable strip members provided with respective attachment surfaces on which there is pressure sensitive adhesive. Peelable cover sheet engages the adhesive protectively to permit handling of the zipper closure either as individual lengths or in an indeterminate length from which sections may be severed. The zipper closure is easily applied by peeling the cover sheet and adhesively attaching the attachment surfaces to lips at opposite sides of the elongated opening in the container. Method and apparatus for making the new and improved zipper closure are also provided.
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