Patent ID: 6627025
Filing Date: 2003-09-30
Classification: B29C,B29K,D01D

Abstract:
A method of forming an easily splittable plural-component fiber from plural extruded materials, the method comprising the steps of:(a) directing a plurality of first streams of a first material to respectively flow through a plurality of first capillaries to a plurality of first orifices; (b) directing a plurality of second streams of a second material to respectively flow through a plurality of second capillaries to a plurality of second orifices that are separate from the first orifices; (c) extruding the first streams from the first orifices such that, at the first orifices, the centerlines of the first streams are directed along respective first axes; and (d) extruding the second streams from the second orifices such that, at the second orifices, the centerlines of the second streams are directed along second axes that are interleaved, angled and non-intersecting with respect to the first axes such that surfaces of the first streams contact and adhere to surfaces of the second streams to form a plural-component fiber having a transverse cross-section of interleaved segments of the first and second materials.