AIR OPERATORS FOR AMENDMENT REGULATIONS

摘要

1520836 Respiratory appliances DRAGERWERK AG 17 May 1976 [17 May 1975] 20191/76 Addition to 1492459 Heading A5T A device for introducing a vapour into a gas as set forth in main Specification 1492459 has a reservoir 5 through which liquid is circulated at a lower pressure than the pressure on the vapour side of the evaporations wall 6 so that in the event of a hole in the wall liquid will not pass into the gas. The device is disposed in a respirator to humidify the air for breathing.