Patent ID: 6247911
Filing Date: 2001-06-19
Classification: D01D

Abstract:
A melt blowing die comprising:a. resin nosepiece comprising an outer nosepiece surface, a tip, and a resin channel extending to said tip, wherein said tip points in a forward direction;b. an air channel adjacent to said outer surface and comprising a forward segment extending beyond the tip of said nosepiece;c. an upper faceplate comprising an outer upper faceplate surface facing in a forward direction away from said tip wherein said outer upper faceplate surface is straight along its entire length; andd. a lower faceplate comprising an outer lower faceplate surface facing in a forward direction away from said tip, wherein said outer lower faceplate surface is straight along its entire length, said lower faceplate being spaced apart from said upper faceplate to define a faceplate slit that is aligned with the forward segment of the air channel;e. an upper extension plate mounted on the outer upper faceplate surface and comprising a first edge; andf. a lower extension plate mounted on the outer lower faceplate surface and comprising a second edge spaced apart from said first edge to define a flow channel in alignment with said faceplate slit.