| 摘要 |
PURPOSE: To obtain nonwoven cloth having excellent opening property, uniformity and practically sufficient tensile strength by catching fiber streams of ultrafine fibers obtained by melt blowing on a specific catching face. CONSTITUTION: Spun yarns from many spinnerets 22 are dragged and thinned by a high-speed air stream ejected from an air ejecting slit 21 near the spinnerets 22 to form a fibers stream of the ultrafine fibers and the fibers stream is caught by a catching part located below the spinnerets 22. The catching part has a projecting curved face part 8 on the surface and both sides of inclined parts 9 and 10 and is composed of a porous supporter having an aspirating structure on the rear face and a net 6 transferring the surface. |
