Dual parison blow molding and method

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article

Reexamination Certificate

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Details

C264S543000, C425S532000, C425S540000, C425S133100

Reexamination Certificate

active

06994821

ABSTRACT:
A vertical rotary blow molding machine with dual cavity molds includes two coextrusion flow heads for extruding multi-layer parisons for capture and blowing in the dual cavity molds.

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