Heat sealing apparatus and method
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United States of America Patent
Stats
-
Dec 6, 1983
Grant Date -
N/A
app pub date -
May 10, 1982
filing date -
May 10, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Profiled heat seals in plastic film are provided by opposed profiled heat sealing platens supported on endless chains. The platens are heated by contact with associated heating drums.
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