Injection blow molding method
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United States of America Patent
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-
Feb 9, 1988
Issued Date -
N/A
app pub date -
Apr 1, 1983
filing date -
Sep 28, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the process to form a plastic flat bottle by blowing air into an injection molded parison having a bottom, the injection blow molding method of the invention is characterized in that the thicknesses of the portions of the parison to form the front and rear faces of the flat bottle are made larger than the thicknesses of the portions of the parison to form the side end faces of the flat bottle, thereby enlarging the heat capacity in the former portions of the parison to form the front and rear faces than that of the portions of the parison to form the side end faces of the flat bottle so as to make the former portions of the parison to be expanded more easily.
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Cited Art Landscape
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