Method of making laminates of thermoplastic polymers by a single-channel coextrusion process and melt injector block for use therein
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United States of America Patent
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-
Sep 15, 1981
Grant Date -
N/A
app pub date -
Oct 22, 1979
filing date -
Oct 23, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The melt injector block contains guides for defining the width of secondary streams. This gives edge trim of base polymer only. Recycle is easier and stenter clips do not get stuck in heat-seal layers.
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