Method of making dual reuseable pouches
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United States of America Patent
Stats
-
Mar 17, 1992
Grant Date -
N/A
app pub date -
Apr 9, 1990
filing date -
Apr 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Dual flexible plastic pouches and a method of making the pouches where the pouches are reuseable and reclosable and have a double fastener strip arranged along the center between the pouches, the double strip is formed with a lower layer and upper pull flanges folded in from the edge of the lower layer with the pull flanges having reclosable rib and groove elements between the flanges and lower layer, an upper film web is juxtaposed over the lower web and bonded thereto over the peripheral edge to form pouches, the flanges are heat sealed to the upper web with a heat blocking thermal barrier between the flanges and lower layer of the fastener to prevent unintentional bonding.
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Cited Art Landscape
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