Mold core member for use in a mold unit for injection molding a plastic material preform for a blow molded container
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United States of America Patent
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Aug 5, 1986
Issued Date -
N/A
app pub date -
Sep 20, 1982
filing date -
Nov 27, 1979
priority date (Note) -
Expired
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Abstract
A method and apparatus for the forming of a champagne bottom plastic bottle wherein the bottom is reinforced by internal radiating ribs which are formed by solid material. The bottle is formed in the customary manner by utilizing a preform which has molded on the inner surface thereof longitudinal ribs. The preform is formed by conventional injection molding equipment which has been modified only to form along the lower part of the customary core member longitudinally extending rib forming grooves.
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