Thin walled plastic container construction

Details Thin walled plastic container construction Thin walled plastic container construction

1981-11-04

1983-02-08

Norton, Donald F.

Bottles and jars

Closures

Cap type

215 1C, 220 72, B65D 102

Patent

active

043724558

ABSTRACT:
A lightweight plastic container having improved strength and rigidity characteristics for a given amount of plastic material is provided. The container is of one-piece thin-walled construction having four generally flat sidewalls interconnected by curved corner portions and having a bottom portion interconnected to the flat sidewalls by curved base portions and further having an integral handle formed within the bottle profile. The container incorporates a pair of longitudinally extending ribbing structures in a pair of opposed curved corner portions and other inventive constructional features enabling the lightweight container to withstand hydrostatic forces without buckling or dimpling as well as heavier conventionally constructed plastic containers.

REFERENCES:
patent: D205730 (1966-09-01), Platte
patent: D219863 (1971-02-01), Beaver
patent: 4046275 (1977-09-01), Virog et al.
patent: 4113095 (1978-09-01), Dietz et al.
patent: 4127206 (1978-11-01), Virog et al.
Bottle No. 1, Hinkley and Schmitt, Inc., 1974.
Bottle No. 2, Dean Foods Company, 1976.
Bottle No. 3, milk container, 1971.

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