Extruder with dual flighted extrusion screw

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

Patent

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Details

100145, 264173, 425208, 425376R, 425817C, B29F 306

Patent

active

040544036

ABSTRACT:
An extruder has a single screw with two separate inlet hoppers feeding two separate screw flights to deliver two separate materials to a multiple channel extruder die.

REFERENCES:
patent: 3314108 (1967-04-01), Wienand et al.

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