Plastic container with improved base structure

Details Plastic container with improved base structure Plastic container with improved base structure

1991-11-04

1993-08-17

Weaver, Sue A.

Bottles and jars

Ejecting

Siphon type

220606, B65D 102, B65D 2300

Patent

active

052360970

ABSTRACT:
A plastic container having an improved base structure. The base structure generally includes an inwardly domed inner wall having panels formed therein. The panels are inclined relative to the remainder of the inner wall and, at the juncture, form inwardly directed corners that provide increased stiffness and structural integrity to the base structure allowing use of the container with low carbonation beverages. The panels are also integrally formed with a lower end of an outer wall which defines a line of contact extending continuous around the base structure. This simplified base structure makes the container more cost efficient to produce and also allows it to be used with non-carbonated beverages.

REFERENCES:
patent: 3884383 (1975-05-01), Burch et al.
patent: 4037752 (1977-07-01), Dulmaine et al.
patent: 4344627 (1982-06-01), Krishnakumar et al.
patent: 4598831 (1986-07-01), Nakamura et al.
patent: 4785948 (1988-11-01), Strassheimer
patent: 4885197 (1989-12-01), Strassheimer
patent: 4892205 (1990-01-01), Powers et al.
patent: 5005716 (1991-04-01), Eberle
patent: 5047271 (1991-09-01), Feddersen et al.

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