Bottles and jars – Ejecting – Siphon type
Patent
1992-06-08
1994-06-14
Weaver, Sue A.
Bottles and jars
Ejecting
Siphon type
220606, 220608, 220609, B65D 102, B65D 142, B65D 2300
Patent
active
053202309
ABSTRACT:
A base configuration for use with biaxially stretched blow molded PET containers is provided. In particular, the base includes a concave spherical portion disposed at a central position on the base. A protruding annular member is formed around the circumference of the concave spherical portion, and five legs extend radially outward from the annular member. The outer surface of each leg subtends an angle ranging from 40-72 degrees, and a curved rib formed between every pair of legs, the rib subtending an angle ranging from 32-0 degrees, whereby the base of the container has an increased internal pressure resistance and thus prevents cracking in the base.
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Klein David I.
Rosenberg Morton J.
Weaver Sue A.
Yuan Fang Limited
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