Process and apparatus for reclosable container stock
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United States of America Patent
Stats
-
Aug 22, 1989
Issued Date -
N/A
app pub date -
Sep 23, 1983
filing date -
Mar 24, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and apparatus for producing a reclosable container stock with adhered occludable closure strip portions, said apparatus comprising a rotatable lay-on roll having circumferential grooves therein, means to advance the closure strip portions to the lay-on roll, a rotatable casting cylinder positioned opposite the lay-on roll, means for extruding a molten plastic film onto the casting cylinder so that the film adheres to the closure strip portions, and means for cooling the resulting reclosable container stock with adhered closure strip portions.
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