Dual flexible lip extrusion apparatus

Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Control means responsive to product weight or dimension

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Details

264 407, 264167, 425465, 425466, B29C 4712, B29C 4716

Patent

active

056793839

ABSTRACT:
An extrusion apparatus includes first and second die body portions each having a main body and a lip interconnected with the main body wherein the die body portions are joined such that a single die outlet is formed between and bounded by the lips. The apparatus also includes suitable structure for moving the lips to adjust the die outlet.

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Drawing of prior-art die (no month, year).

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