Multi-layer containers

Details Multi-layer containers Multi-layer containers

1995-11-02

1997-07-08

Shoap, Allan N.

Bottles and jars

Multilayer barrier structure

Coating or lamination

215 121, 215374, 220454, B65D 2302

Patent

active

056451830

ABSTRACT:
A container including an upper wall portion formed from at least an inner layer and an outer layer of material wherein the inner layer of material has a first thickness at the upper wall portion. The container also includes an intermediate side wall portion formed from at least the inner and the outer layer of material. The inner layer of material has a second thickness at the intermediate side wall portion which is thinner than the first thickness at the upper wall portion and the intermediate side wall portion is positioned beneath the upper wall portion. The container also includes a self-supporting base wall portion formed from at least the inner layer and the outer layer of material. The inner layer of material has a third thickness at the self-supporting base wall portion thicker than the second thickness at the intermediate side wall portion and the self-supporting base wall portion is positioned beneath the intermediate side wall portion and adapted to support the container.

REFERENCES:
patent: 4092391 (1978-05-01), Valyi
patent: 4149645 (1979-04-01), Valyi
patent: 4646925 (1987-03-01), Nohara
patent: 4741936 (1988-05-01), Nohara et al.
patent: 4743479 (1988-05-01), Nakamura et al.
patent: 4755404 (1988-07-01), Collette
patent: 4954376 (1990-09-01), Krishnakumar et al.
patent: 5035931 (1991-07-01), Yamada et al.
patent: 5250333 (1993-10-01), McNeely et al.
patent: 5281360 (1994-01-01), Hong et al.
patent: 5464106 (1995-11-01), Slat et al.

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