Rib for plastic container

Details Rib for plastic container Rib for plastic container

1995-05-08

1997-01-14

Weaver, Sue A.

Bottles and jars

Sidewall structure

Contoured sidewall

215379, 220669, 220675, B65D 102, B65D 142, B65D 2300

Patent

active

055930565

ABSTRACT:
The present invention relates to a blow molded plastic container whose thin wall shoulder portion has a plurality of rib-like protrusions. Each of said rib-like protrusions are configured with multiple radii of curvature having a specifically defined relationship. The protrusions so formed do not adversely affect the integrity of the shoulder portion wall structure and do not distort upon internal pressurization of the container.

REFERENCES:
patent: D358547 (1995-05-01), Darr
patent: 2685316 (1954-08-01), Krasno
patent: 2723779 (1955-11-01), Parker et al.
patent: 3317110 (1967-05-01), Palmer
patent: 3871541 (1975-03-01), Adomaitis
patent: 4890757 (1990-01-01), Robbins, III
patent: 4997692 (1991-03-01), Yoshino
patent: 5040698 (1991-08-01), Ramsey et al.
patent: 5067622 (1991-11-01), Garver et al.
patent: 5199587 (1993-04-01), Ota et al.
patent: 5217128 (1993-06-01), Stenger
patent: 5279442 (1994-01-01), Jentzsch et al.
patent: 5381910 (1995-01-01), Sugiura et al.

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