Containers for containing carbonated beverages

Details Containers for containing carbonated beverages Containers for containing carbonated beverages

1975-03-05

1976-08-10

Price, William

Receptacles

Receptacle side wall made of two or more layers of material...

Beverage receptacle

220 70, 229 15C, B65D 140, B65D 2108

Patent

active

039736938

ABSTRACT:
A thin-walled nestable plastic container of the type having a tapering cylindrical wall is provided with an expansible bottom employing a central conical portion projecting upwardly into the container. The central conical portion is arranged to invert under pressure so that the cone decreases in height as it turns inside out. The base of the cone remains circular as the cone inverts and thereby provides a stable base on which the container can rest. The cone is not intended to invert completely and consequently, the apex of the cone is preferably stiffened by thickening of the wall.

REFERENCES:
patent: 2971671 (1961-02-01), Shakman
patent: 3043461 (1962-07-01), Glassco
patent: 3374922 (1968-03-01), Shelby
patent: 3409167 (1968-11-01), Blanchard
patent: 3426939 (1969-02-01), Young
patent: 3430805 (1969-03-01), Buchner et al.
patent: 3881621 (1975-05-01), Adomaitis
patent: 3904069 (1975-09-01), Toukmanian

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