发明授权
- 专利标题： Nonwoven fabric containing fine fibers, and a filter material
- 专利标题（中）： 含有细纤维的无纺织物和过滤材料
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申请号： US09441791申请日： 1999-11-17
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公开(公告)号： US06284680B1公开(公告)日： 2001-09-04
- 发明人: Toshio Aikawa , Noriko Miyaguchi , Takashi Tarao , Hitoshi Kobayashi
- 申请人： Toshio Aikawa , Noriko Miyaguchi , Takashi Tarao , Hitoshi Kobayashi
- 优先权： JP10-326996 19981117; JP10-339858 19981130; JP11-074756 19990319
- 主分类号： D04H100
- IPC分类号： D04H100
摘要：
A nonwoven fabric prepared from fibers which are not substantially fibrillated and have a diameter of less than 20 &mgr;m, by fusing a fiber web comprising fine fibers having a diameter of 4 &mgr;m or less, and adhesive fibers having a diameter ranging from 8 &mgr;m to less than 20 &mgr;m, wherein a maximum pore size in the nonwoven fabric is not more than twice the mean flow pore size of the nonwoven fabric is disclosed.
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