Injection-blow molding apparatus including circumferentially continuous injection molds, blow molds and shoulder forming sleeves
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United States of America Patent
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Oct 29, 1991
Grant Date -
N/A
app pub date -
Nov 20, 1989
filing date -
Nov 20, 1989
priority date (Note) -
Expired
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Abstract
Injection-blow molding apparatus in which maximum mold density is obtained by alternate arrangement of circumferentially continuous blow molds and injection molds, with axial mold closure being obtained by neck forming and shoulder forming sleeves concentrically located around the cores which are reciprocated into and out of the molds.
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