| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple means which prevents slurry fine droplets from adhering to an exhaust valve or a voice transmission device of a replaceable dust protective mask or respiratory protective device with an electric fan having a face piece. <P>SOLUTION: A cover for the replaceable dust protective mask or the respiratory protective device with an electric fan having a face piece includes: a soft membrane body for covering the exhaust valve disposed in a region to cover the nose and mouth of the face piece of the replaceable dust protective mask or the respiratory protective device with an electric fan having a face piece from an outer surface side of the region, and a locking part for locking the membrane body at the outer surface of the region of the face piece. <P>COPYRIGHT: (C)2012,JPO&INPIT |
