| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mask which completely prevents intake of poisonous gas, bacteria, pollen, dust, and the like, which has a simple and easy-to-carry structure and which can be purchased inexpensively. <P>SOLUTION: A mask body 1 covering the nose and mouth is formed of a saccate body 2 having a non-permeable outer surface 2A. An opening part 3 for sucking and exhausting air is provided on the inner side surface 2B of the saccate body 2 coming into contact with the nose or mouth, and a hose part 4 communicated with the opening part 3 is connected to the lower side of the saccate body 2. The saccate body 2 is pasted with a sheet of or a plurality of sheets of a fireproof and refractory material such as a plastic film, aluminum foil sheet having fire resistance and refractoriness or has one of a sponge rubber sheet, a nonwoven fabric and a cloth, pasted at the inside of it. The hose part 4 is provided with a length of a degree which reaches the chest or abdominal area when it is inserted to the inside from the surrounding of the neck of a garment. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
