FILTER MEDIUM AND METHOD OF MANUFACTURING NONWOVEN FABRIC FOR FILTER MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a filter medium and a method of manufacturing nonwoven fabric for the filter medium, capable of simplifying a structure, improving filter efficiency, reducing manufacture processes and reducing a manufacture cost.;SOLUTION: The filter medium 21 in a fold shape is formed by the nonwoven fabric 22. On the nonwoven fabric 22, a thick part 24 is formed so as to extend in the lining direction of folds 23. By the thick part 24, the adhesion of the folds 23 is prevented.;COPYRIGHT: (C)2010,JPO&INPIT