Polymer processing system including decompression chamber...

Plastic article or earthenware shaping or treating: apparatus – Means feeding fluent stock from plural sources to common... – Extrusion shaping means

Reexamination Certificate

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Details

C425S376100, C425S380000, C425S382400, C425S472000, C425S449000

Reexamination Certificate

active

07052260

ABSTRACT:
Polymer processing systems are provided including an extrusion assembly, a specially configured decompression chamber assembly, and a die assembly. Such systems are effective to provide shaped polymer products having reduced extrusion markings.

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