Patent ID: 6299977
Filing Date: 2001-10-09
Classification: D04H,D06N,Y10S,Y10T

Abstract:
A nonwoven fabric comprising ultrafine-fiber bundles having a single fineness of no greater than 0.2 de and/or fibers convertible into ultrafine-fiber bundles having a single fineness of no greater than 0.2 de, wherein the nonwoven fabric is characterized in that:the cross-sections of the ultrafine-fiber bundles and/or the fibers convertible into ultrafine-fiber bundles present on at least one side of the surfaces of the nonwoven fabric are ellipses,the major diameters b of said cross-sections are parallel to a surface of the nonwoven fabric,and the minor diameters a and the major diameters b of said cross-sections are in the range satisfying the following equation (1)0.1.ltoreq.a/b.ltoreq.0.6 (1).