发明名称 |
Device for replacing the filter of a gas mask in polluted atmosphere without any contamination risk. |
摘要 |
<p>Device for preventing the inflow of air into a gas mask during the substitution of its filter (1) in the presence of contaminated atmosphere. The device comprises a small plate (12) having a central stem (13) which passes through the support (9) of a check valve admitting air to the respiratory tracts and a spring (14) which pushes said small plate (12) against the diaphragm (7) of the check valve when the filter is removed from the mask.</p> |
申请公布号 |
EP0310970(A1) |
申请公布日期 |
1989.04.12 |
申请号 |
EP19880116261 |
申请日期 |
1988.09.30 |
申请人 |
INDUSTRIE PIRELLI S.P.A.;MINISTERO DELLA DIFESA DIREZIONE GENERALE A.M.A.T. |
发明人 |
CAPPA, GIULIO;MOSCATELLI, ROMANO |
分类号 |
A62B9/04 |
主分类号 |
A62B9/04 |
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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