| 发明名称 |
Folded three-dimensional object, particularly a filter element |
| 摘要 |
A three-dimensional object folded from a flat work piece, particularly a filter element folded from a nonwoven fabric, characterized in that the three-dimensional object (20) is made up of several rows (5, 6, 7) of hollow pyramid elements (30) that are joined in rows and nested into one another.
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| 申请公布号 |
US2002072459(A1) |
申请公布日期 |
2002.06.13 |
| 申请号 |
US20010971505 |
申请日期 |
2001.10.05 |
| 申请人 |
SCHLOR ULRICH;KADEL WERNER |
发明人 |
SCHLOR ULRICH;KADEL WERNER |
| 分类号 |
B01D46/00;B01D46/24;B01D46/52;B31D5/00;(IPC1-7):B31B49/00 |
主分类号 |
B01D46/00 |
| 代理机构 |
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代理人 |
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