公开(公告)号：US07987996B2

公开(公告)日：2011-08-02

申请号：US12135411

申请日：2008-06-09

申请人： Yoshihiro Ohashi ,  Shin Bando ,  Masahumi Suzuki

发明人： Yoshihiro Ohashi ,  Shin Bando ,  Masahumi Suzuki

IPC分类号： B01D39/16 ,  B01D39/04 ,  B01D39/14 ,  B01D39/18

CPC分类号： B01D39/1623 ,  B01D2239/0421 ,  B01D2239/064 ,  B01D2239/1233 ,  B01D2239/125 ,  Y10T428/2973

摘要： A filter medium comprises a modified cross-section fiber (A) having a fiber diameter between 40 and 70 μm, an extremely fine fiber (B) having a fiber diameter of more than 5 μm and no more than 10 μm and a modified cross-section fiber (C) having a fiber diameter between 15 and 30 μm, the content of the extremely fine fiber (B) is between 3 and 10% by mass, and the content of the modified cross-section fiber (C) is between 5 and 15% by mass based on 100% by mass of total the fibers in the filter medium.

摘要翻译： 过滤介质包括纤维直径在40和70μm之间的改性横截面纤维（A），纤维直径大于5μm且不超过10μm的极细纤维（B） 纤维直径为15〜30μm的截面纤维（C），极细纤维（B）的含量为3〜10质量％，改性截面纤维（C）的含量为5 相对于过滤介质中的纤维总量100质量％为15质量％。