| 发明名称 |
Air filter system for helical scanner drum with vented drum cover |
| 摘要 |
The present invention concerns a filter system for a helical scanner drum of the type having a drum cover provided with an air vent. The filter system includes a replaceable air filter element for entrapping airborne particles when air is drawn through the filter element and means for removably securing the filter element to the drum cover such that the filter element covers the air vent.
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| 申请公布号 |
US5359475(A) |
申请公布日期 |
1994.10.25 |
| 申请号 |
US19920855579 |
申请日期 |
1992.03.23 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
ASEERE, LESTER M.;NILES, GERALD J.;HANSON, ROBERT L.;NIEZGOCKI, MARVIN J. |
| 分类号 |
B01D46/10;B01D46/42;G11B5/53;G11B15/61;G11B23/50;G11B33/14;(IPC1-7):G11B5/027;B01D50/00;B01D59/50 |
主分类号 |
B01D46/10 |
| 代理机构 |
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