The present invention relates to a die nosepiece for use in textile processes involving nonwoven melt blow fabrics. In a melt blown process, molten polymer resins are injected into a melt blown die and ejected from the die in the form of filaments. The present invention is directed to an improved die...http://www.google.de/patents/US6244845?utm_source=gb-gplus-sharePatent US6244845 - Serrated slit melt blown die nosepiece
