Method for spinning multiple colored yarn

Abstract

A spin pack for spinning multiple components includes a distribution device which distributes mutually separated molten polymer streams to a spinneret so that each mutually separated molten polymer stream is accessible at each active spinneret backhole. Intermediate the spinneret and the distribution device, a selection assembly selects which, if any, mutually separated molten polymer stream flows into which backhole.

What is claimed is: 
     
       1. A process for spinning mixed filament yarn comprising: (a) feeding three or more differentially colored mutually separated molten polymer components to spin pack having a spinneret with extrusion orifices for issuing filaments, each extrusion orifice having a backhole for receiving molten polymer;   (b) distributing each mutually separated component so that every component is accessible as a distinct component at every active spinneret backhole;   (c) selectively preventing, via a plate having through holes, all but one component from entering a backhole; and   (d) extruding .[.multiple component.]. .Iadd.mixed filament .Iaddend.yarn.   
     
     
       2. The process of claim 1 wherein said distributing comprises b.1) pooling each component; b.2) after said pooling, splitting the pool into multiple distinct streams; and b.3) routing the multiple distinct streams to the vicinity of each spinneret backhole. 
     
     
       3. The process of claim 1 wherein said distributing comprises: b.1) routing each mutually separated component to a series of distribution plates having grooves with through holes therein;   b.2) splitting the streams in each groove; and   b.3) passing the split streams to the vicinity of each spinneret backhole.