发明名称 |
Respirator having snap-fit filter cartridge |
摘要 |
A respirator (10) that includes a face piece (14) and a cartridge receiving structure (22) located on the face piece (14). The face piece (14) is sized to fit snugly over the nose and mouth of a person, and the filter cartridge (12) is capable of being manually snapped into engagement with the cartridge receiving structure (22). The snap-fit can be instantaneously obtained without rotational movement of the filter cartridge (12), simply by pressing the filter cartridge (12) against the receiving structure (22).
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申请公布号 |
US5579761(A) |
申请公布日期 |
1996.12.03 |
申请号 |
US19950375855 |
申请日期 |
1995.01.20 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
YUSCHAK, GREGORY;REKOW, PETER O.;HOLMQUIST-BROWN, THOMAS W. |
分类号 |
A62B23/02;(IPC1-7):A62B18/00 |
主分类号 |
A62B23/02 |
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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