Multi-layer containers

Details Multi-layer containers Multi-layer containers

1995-05-31

1997-10-14

Shoap, Allan N.

Bottles and jars

Multilayer barrier structure

220454, 264513, 264515, B65D 2302

Patent

active

056762674

ABSTRACT:
A multi-layer preform for forming multi-layer containers includes an extruded inner barrier layer containing polyethylene naphthalate, said inner layer having an upper portion adapted to be formed into an upper portion of a container, an intermediate portion adapted to be formed into an intermediate portion of a container, an extruded and a base portion adapted to form a base portion of a container. The preform includes an outer injection molded layer. The inner layer has a thickness which differs from the base portion to the upper portion.

REFERENCES:
patent: 4954376 (1990-09-01), Krishnakumar et al.
patent: 4990382 (1991-02-01), Weissenstein et al.
patent: 5077111 (1991-12-01), Collette
patent: 5102705 (1992-04-01), Yammoto et al.
patent: 5250333 (1993-10-01), McNeely et al.
patent: 5281360 (1994-01-01), Hong et al.
patent: 5320230 (1994-06-01), Hsiung
patent: 5464106 (1995-11-01), Slat et al.

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