| 摘要 |
<p>PURPOSE: A gas mask is provided to protect the human body from poisonous gases and to enable a user to communicate with other in wearing. CONSTITUTION: A gas mask includes: a mask which has an air inlet and air outlet discharging the inhaled air; an exhaust valve(20) which is combined with the air outlet of the mask to discharge the inhaled air, is perpendicularly projected from the inner side by being expanded to an external terminal connected to a separate transmitter on the outer surface; a cover(30) which is connected to the outer surface of the exhaust valve and has an external terminal hole at the bottom base and an external terminal cover to turn on/off the external terminal hole; a nose mask which discharges the air by isolating the air inhaled via the air inlet and has a terminal hole connected to the inner terminal; an inner terminal cap which prevents the foreign material from flowing in the inner terminal; and a connection member which integrally interlinks the inner terminal cap to the nose mask.</p> |
