Base configuration for an internally pressurized container

Details Base configuration for an internally pressurized container Base configuration for an internally pressurized container

1987-12-11

1988-11-22

Price, William

Bottles and jars

Ejecting

Siphon type

B65D 102

Patent

active

047859490

ABSTRACT:
This relates to the base configuration of a biaxially oriented blow molded thermoplastic resin container. It has been found that by assigning more space to the ribs between adjacent legs and feet, during the blow molding of a preform, there is proportionally less thinning of the material of the preform in accordance with the greater width of rib, thereby providing greater strength in the high stress area of the base structure with a resultant lesser failure due to stress cracking.

REFERENCES:
patent: 3598270 (1971-08-01), Adomaitis
patent: 4294366 (1981-10-01), Chang

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