Hot-fill product container with multi-layer wall structure

Details Hot-fill product container with multi-layer wall structure Hot-fill product container with multi-layer wall structure

1988-09-16

1990-06-26

Weaver, Sue A.

Bottles and jars

Multilayer barrier structure

Coating or lamination

215 1C, 428 366, 428 367, B65D 2300

Patent

active

049364731

ABSTRACT:
This relates to a container, particularly adapted for receiving a hot-fill product. Most particularly, the container is a blow molded plastic container with the principal plastic material being a polyester resin. Critical areas of the container have walls of a laminated construction with preferably at least five layers of which two layers is a moisture barrier layer. The polyester resin primarily utilized, PET, is very sensitive to moisture pickup and by utilizing the moisture barrier layers, the moisture pickup of the primary resin may be reduced with a resultant reduction in the shrinkage and distortion of such container when hot filled.

REFERENCES:
patent: 4392576 (1983-07-01), Berger et al.
patent: 4393106 (1983-07-01), Maruhashi et al.
patent: 4550043 (1985-10-01), Beck
patent: 4609516 (1986-09-01), Krishnakumar et al.
patent: 4610366 (1986-09-01), Estes et al.
patent: 4665682 (1987-05-01), Kerins et al.
patent: 4728549 (1988-03-01), Shimizu et al.
patent: 4764403 (1988-08-01), Ajmera

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