Plastic container with support base, and method of assembly

Details Plastic container with support base, and method of assembly Plastic container with support base, and method of assembly

1976-06-29

1978-04-04

Norton, Donald F.

Bottles and jars

Ejecting

Siphon type

215 12R, 29453, B65D 2300

Patent

active

040822001

ABSTRACT:
This disclosure relates to a plastic container having a separate cup-shaped base telescopically assembled on its bottom to provide stability so that the container can stand upright, and to a method of assembling the base on the container. The container includes a tubular side wall, such as in blow-molded bottles, and a generally convex bottom which is integrally interconnected to the side wall by an arcuate annular heel. A peripheral groove is provided on the outer surface of the container adjacent the heel to receive a radially inwardly directed peripheral bead or lip on the upper end of the base, forming an essentially water-tight seal. One or more longitudinal surface indentations are formed on the outer surface of the container beneath the circumferential groove, to allow the escape of air between the base and the container bottom during their telescopic assembly.

REFERENCES:
patent: 1920335 (1933-08-01), Wood
patent: 3285461 (1966-11-01), Santelli
patent: 3927782 (1975-12-01), Edwards
patent: 3948404 (1976-04-01), Collins

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