首页>
外国专利>
An Invention for Life-saving in Mines during Explosions and Fires.
An Invention for Life-saving in Mines during Explosions and Fires.
展开▼
机译:一种在爆炸和火灾中挽救生命的发明。
展开▼
页面导航
摘要
著录项
相似文献
摘要
19,577. Brown, T. Aug. 22. R e s p i r a t o r s. - A miner's tea-can is adapted for use as a respirator when breathing in impure air. The teacan H is provided with an air-inlet tube A, and with a combined nosepiece and mouthpiece C, D, which is usually carried in the pocket. When in use, the tube C, D is screwed to the can, as shown, and the cap B is removed. Air inhaled through the mouthpiece D, is washed by the liquid in the can.
展开▼