| 发明名称 |
A METHOD FOR THE MANUFACTURE OF AN ELECTRICALLY CHARGED FIBROUS FILTER |
| 摘要 |
1469740 Electrostatically charged filters VERTO NV 24 March 1975 [25 March 1974] 12176/75 Heading B2J [Also in Division B5] An inherently charged filter for collecting positively- and/or. negatively-charged particles comprises a wound roll of electrostatically charged fibres preferably of polypropylene. The fibres are formed by fibrillating a stretched, charged sheet of polypropylene (see Division B5). |
| 申请公布号 |
ZA7501832(B) |
申请公布日期 |
1976.02.25 |
| 申请号 |
ZA19750001832 |
申请日期 |
1975.03.24 |
| 申请人 |
NV VERTO |
发明人 |
TURNHOUT J |
| 分类号 |
B01D39/14;B01D39/08;B01D39/16;B29C71/00;D01D5/42;D04H13/02;D06M10/00;D06M10/02;D06M101/00;D06M101/16;D06M101/18;D06M101/20;D06M101/22;H01G7/02 |
主分类号 |
B01D39/14 |
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