Method and system for dual co-extrusion
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United States of America Patent
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Oct 17, 2006
Issued Date -
N/A
app pub date -
Aug 4, 2004
filing date -
Feb 9, 2001
priority date (Note) -
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Abstract
In a co-extrusion system, a primary extruder is connected to a primary flow director to direct the solid melt from the primary extruder to the co-extrusion assembly. A secondary extruder is connected to a secondary flow director to direct the melt from the secondary extruder to the co-extrusion assembly. A co-extrusion assembly produces simultaneous co-extruded melts without any significant pressure change in the melt. Dies shape the co-extruded melts to a desired shape.
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