Nozzle for coinjection of hollow articles and preforms
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United States of America Patent
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-
Oct 4, 1988
Issued Date -
N/A
app pub date -
Jul 13, 1987
filing date -
May 12, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for coinjecting a plurality of thermoplastic materials to mold an article having a layered wall structure using thermoplastic material having different optimum processing temperatures including the maintenance of the optimum temperatures in flow paths individual to each material from its source to a mold cavity.
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