Apparatus for making a multi-layer injection blow molded container
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United States of America Patent
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-
Jun 25, 1985
Issued Date -
N/A
app pub date -
Nov 25, 1981
filing date -
Jul 20, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for making a rigid container by injection molding a parison having plural layers of polymers. The parison is blow molded to the final shape of the container. Control during injection is exercised over each of the plural polymers so as to produce uninterrupted layers extending throughout the walls of the parison and to insure that the interior layers are completely encapsulated within the outer layers.
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