发明名称 |
Pleats filter |
摘要 |
<p>A pleats filter having a long filtration life and a stable filtration accuracy is provided by comprising a sheet produced by pleating a mixed-fineness mixed non-woven fiber bulk consisting of thermoplastic fibers having different fiber diameters in which the intersections of fibers are heat-bonded and the gradient of fiber diameters is formed from the top layer to the bottom layer.</p> |
申请公布号 |
EP0904819(A1) |
申请公布日期 |
1999.03.31 |
申请号 |
EP19980118111 |
申请日期 |
1998.09.24 |
申请人 |
CHISSO CORPORATION |
发明人 |
FUKUDA, SHIGENORI;YAMAGUCHI, OSAMU |
分类号 |
B01D29/07;B01D29/01;B01D29/11;B01D39/16;B01D63/06;B01D69/12;(IPC1-7):B01D29/01;B01D29/21;B01D29/23;B01D29/33;B01D29/35;B01D29/03 |
主分类号 |
B01D29/07 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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