发明授权
- 专利标题： Filter cartridge with center tube
- 专利标题（中）： 滤芯带中心管
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申请号： US09689622申请日： 2000-10-13
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公开(公告)号： US06615990B1公开(公告)日： 2003-09-09
- 发明人: Guenter Jokschas , Bruno Sommer , Matthaeus Huber
- 申请人： Guenter Jokschas , Bruno Sommer , Matthaeus Huber
- 优先权： DE29918105U 19991014
- 主分类号： B01D2706
- IPC分类号： B01D2706
摘要：
A filter cartridge which has an insertable center tube including an upper part (13) and a lower part (14) which can be coupled together in the cartridge by a snap fastener (21). The snap fastener (21) is configured such that it can be made without undercuts by simple injection molding dies. Therefore the filter cartridge with the center tube according to the invention is very economical.
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