| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for manufacturing a melt-blown nonwoven fabric stably composed of fine fibers and having extremely reduced thick fibers generated by fusing fibers (the number of fused fibers). <P>SOLUTION: There are provided a method and a device for manufacturing a melt-blown nonwoven fabric formed by spinning a molten resin from a nozzle having many small holes arranged therein, and drawing and thinning the molten resin by high-temperature high-speed air blown out of slits provided so as to sandwich a line of the small holes, in which the many small holes are arranged at intervals of 0.54 mm or more. <P>COPYRIGHT: (C)2012,JPO&INPIT |
