| 发明名称 |
SCRIM INSERTED ELECTROSTATIC FIBROUS FILTER WEB |
| 摘要 |
Provided is a nonwoven web (10) of electrically charged fibers needle-punche d to a scrim (11) support. This web (10) pro- vides a filter medium having increased uniformity in pressure-drop, basis weight and filtration performance. |
| 申请公布号 |
CA2128707(C) |
申请公布日期 |
2003.04.29 |
| 申请号 |
CA19922128707 |
申请日期 |
1992.12.03 |
| 申请人 |
|
发明人 |
NELSON, DAVID L. |
| 分类号 |
B01D39/00;B01D39/08;B01D39/14;B01D39/16;B03C3/28;B32B5/06;D04H1/42;D04H1/46;D04H5/02;D04H13/00 |
主分类号 |
B01D39/00 |
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代理人 |
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