| 发明名称 |
Scrim inserted electrostatic fibrous filter web |
| 摘要 |
Provided is a nonwoven web of electrically charged fibers needle-punched to a scrim support. This web provides a filter medium having increased uniformity in pressure-drop, basis weight and filtration performance.
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| 申请公布号 |
US5230800(A) |
申请公布日期 |
1993.07.27 |
| 申请号 |
US19920839110 |
申请日期 |
1992.02.20 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
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 |
| 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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