Closure having a pull tab and a controlled seal width at the pull tab
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United States of America Patent
Stats
-
Sep 15, 1987
Grant Date -
N/A
app pub date -
Oct 23, 1986
filing date -
Oct 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This disclosure relates to a closure having a plastic layer which is to be heat bonded to a plastic outer layer of a container. The closure is provided with a pull tab to facilitate the removal thereof from the container. Heat bonding of the closure to the container is effected by induction heating utilizing a metal foil barrier layer within the closure. By offsetting a portion of the closure in alignment with the pull tab, the bond between the closure and the container may be configurated so as to facilitate the initial peeling of the closure from the container when the pull tab is lifted.
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