Ribbed preform for use in the blow molding of a plastic material container
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United States of America Patent
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-
Dec 11, 1990
Grant Date -
N/A
app pub date -
Nov 27, 1979
filing date -
Nov 27, 1979
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A champagne bottom plastic bottle having the bottom 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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