发明公开
- 专利标题： Improved breathing apparatus
- 专利标题（中）： Atemschutzgerät。
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申请号： EP87302408.7申请日： 1987-03-20
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公开(公告)号： EP0241169A1公开(公告)日： 1987-10-14
- 发明人: Evans, John Delwyn , Smith, Gordon , Johnston, Gordon Allan
- 申请人： Coal Industry (Patents) Limited
- 申请人地址： Hobart House Grosvenor Place London SW1X 7AE GB
- 专利权人： Coal Industry (Patents) Limited
- 当前专利权人： Coal Industry (Patents) Limited
- 当前专利权人地址： Hobart House Grosvenor Place London SW1X 7AE GB
- 优先权： GB8608057 19860402
- 主分类号： A62B7/08
- IPC分类号： A62B7/08
摘要：
A breathing apparatus providing security of oxygen supply in use and with the potential for a long duration comprises personal gas supply means (10,11,12) connected to a canister, 3, containing a substance generating oxygen on reaction with carbon dioxide and moisture in a wearer's exhalations. A bottle of compressed oxygen, 6, doses oxygen into the breathing circuit when required by the wearer.
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