Modular disk coextrusion die

Details Modular disk coextrusion die Modular disk coextrusion die

1997-09-12

1999-12-14

Pyon, Harold

Plastic article or earthenware shaping or treating: apparatus

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

Extrusion shaping means

425192R, 425380, 425462, 425467, B29C 4726

Patent

active

060009268

ABSTRACT:
A coextrusion die includes a plurality of annular cells stacked on top of each other. Each annular cell includes a plurality of openings aligned with openings in the adjacent cell, thus forming multiple streams. Plastic melt may be supplied to the die coplanarly. Stacks of annular disks may be joined to form the annular cells through which plastic melt can be axially directed.

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