×

Apparatus and method for melt spinning dyed yarn filaments

  • US 20050263941A1
  • Filed: 07/26/2005
  • Published: 12/01/2005
  • Est. Priority Date: 01/29/2003
  • Status: Abandoned Application
First Claim
Patent Images

1. An apparatus for melt spinning dyed polymeric filaments comprising a melt producer for producing an undyed polymer melt and delivering the melt serially to a metering device for adding a liquid dye, a mixing unit for mixing the liquid dye and the melt, and then to a spin unit where the dyed melt is extruded into filaments, and wherein said mixing unit comprises at least one static mixer and at least one dynamic mixer.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×