Extrusion die

Details Extrusion die Extrusion die

1995-05-02

1997-07-15

Nguyen, Khanh P.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

425380, 425381, 425462, 425467, 264108, 2642092, 2642098, B29C 4724

Patent

active

056481047

ABSTRACT:
An extrusion die for the extrusion of continuous hollow sections of plastic materials reinforced with fibers or molecules. Both the outer nozzle and inner mandrel are rotatable and have channels within them to allow the extrudate to flow through either the body of the nozzle or of the mandrel into the space between them to impart a radial component to the fibers. Likewise, a helical channel formed in either the nozzle or mandrel imparts a tangential component to the fibers. The flow may also be straight through the die which gives the fibers an axial component.

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patent: 5116215 (1992-05-01), Hsu
patent: 5132549 (1992-07-01), Allan et al.
patent: 5154865 (1992-10-01), Dinter

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