Coextruded laminate having barrier layers

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...

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264514, 264DIG69, 4251311, 4251335, 425192R, 425462, 428 35, B29C 4706, B29C 4714

Patent

active

047802588

ABSTRACT:
The present invention provides a novel process for the coextrusion of a laminate containing more than a single barrier layer. Also provided is a coextruded composite useful for forming containers. Additionally, there is provided a unique coextrusion apparatus useful for forming the laminate.

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Sketch of 9 Layer Dual Plane Feedblock Including Removably Mounted Die.
Sketch of 9 Layer Single Plane Feedblock Including Removably Mounted Die.
Sketch of 7 Layer Single Plane Feedblock Including Removably Mounted Die.

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