发明名称 |
Respiratorer |
摘要 |
A respirator comprising an outer mask in which is defined a main volume and an oronasal mask located within the outer mask and defining a secondary volume. Air for breathing enters the mask via a one-way valve and filter. Exhaled air exits the mask via an exhale conduit fitted with an exhale valve. A conduit is provided for the passage of air from the outer mask to the oronasal mask. The conduit is fitted with a one-way valve and a filter. The filter is such as to filter either particular or vapor challenges, or a mixture of these, as required. |
申请公布号 |
NO337968(B1) |
申请公布日期 |
2016.07.18 |
申请号 |
NO20060004777 |
申请日期 |
2006.10.18 |
申请人 |
SCOTT HEALTH & SAFETY LIMITED |
发明人 |
SUTTON ROBERT CHARLES;RICHARDSON GRANT STUART |
分类号 |
A62B7/10;A62B9/02;A62B18/02;A62B18/10;A62B23/02 |
主分类号 |
A62B7/10 |
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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