发明名称 |
Air filter for extraction apparatus |
摘要 |
A filter for air extraction apparatus is disclosed, which is assembled from a porous material arranged to collect contaminants. The filter comprises a bag with a constricted inlet for receiving contaminated air. The bag is formed from a plurality of envelopes having filtering side walls and each of the envelopes has at least one orifice connected to an orifice of an adjacent envelope.
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申请公布号 |
US6537337(B2) |
申请公布日期 |
2003.03.25 |
申请号 |
US20010865298 |
申请日期 |
2001.05.25 |
申请人 |
MULLINS PHILIP ARTHUR;MULLINS BARBARA;TURNER ROBERT |
发明人 |
MULLINS PHILIP ARTHUR;HORSEY JOHN |
分类号 |
A47L9/14;B01D46/02;(IPC1-7):B01D46/02 |
主分类号 |
A47L9/14 |
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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