Patent ID: 6054002
Filing Date: 2000-04-25
Classification: D01D,D01F

Abstract:
A method of making a seamless tubular band comprising:extruding first molten polymeric components and second molten polymeric components and forming molten multicomponent filaments wherein the first and second components are substantially consistently positioned in distinct zones across the cross-section of the molten multicomponent filament, said first component comprising a polyolefin and said second polymeric component comprising a non-urethane elastomeric block copolymer;attenuating the molten multicomponent filaments by applying an attenuating force to the molten multicomponent filaments as they solidify;wrapping said filaments around a support structure to form a seamless tubular band while maintaining the attenuating force; and thenremoving said tubular band from said support structure and releasing said attenuating force wherein solidified multicomponent filaments contract and self-crimp.