Patent ID: 7001555
Filing Date: 2006-02-21
Classification: D01D,Y10S

Abstract:
1. A method of extruding first and second liquids into a plurality of bicomponent filaments, from a die tip block having a plurality of extrusion outlets, each outlet connected to a first passageway and a second passageway, each bicomponent filament having a side by side cross sectional configuration of the first and second liquids, comprising: adjusting the width of the first passageway relative to the width of the second passageway; introducing the first and second liquids respectively into the first and second passageways; discharging the first and second liquids from the first and second passageways and through each of the outlets as a plurality of bicomponent filaments from the plurality of bicomponent filament extrusion outlets; and collecting the filaments to form at least a first layer of nonwoven material.