Patent ID: 6220843
Filing Date: 2001-04-24
Classification: B05B,B05C,D01D

Abstract:
A segmented die assembly, comprising:(a) a plurality of manifold segments, each manifold segment having a polymer flow passage and an air flow passage formed therein; said manifold segments being interconnected in side-by-side relationship wherein said air passages and polymer passages are in fluid communication, respectively;(b) a die module mounted on each manifold segment, said die module comprising a die body having a polymer flow passage and an air flow passage in fluid communication with said polymer flow passage and said air flow passage of its associated manifold segment, respectively; and a die tip or nozzle mounted on said die body and having a polymer flow passage in fluid communication with said polymer flow passage of its associated die body for receiving the polymer melt and discharging a filament or filaments therefrom;(c) means for delivering a polymer melt to at least one manifold segment whereby the melt is distributed through said other interconnected manifold segments and flows through each die module discharging as a filament or filaments from each die tip or nozzle; and(d) means for delivering air to at least one manifold segment whereby air is distributed in said interconnected manifold segments and flows through each die module discharging through said die tip or nozzle.