| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mask 1 which enables someone facing a person wearing it to see well the person's face and which includes the same functions and can be used for the same purpose as those of conventional masks. <P>SOLUTION: A mask body 2 includes a three-dimensional shape creating a room between the mask and the oral-nasal part while worn and is made of a transparent sheet material. At the bottom part of the mask body 2 under the lower jaw, a blow-through opening 2a is made vertical to the central line Z of the face and an air-permeable material part 3 is provided to cover the blow-through opening 2a. This air-permeable material part 3 is attached to the blow-through opening 2a which is generally horizontal when the mask 1 is worn, which is positioned parallel to the line of sight of someone facing the person wearing it and does not conceal much part of the person's face although it is not transparent. <P>COPYRIGHT: (C)2009,JPO&INPIT |
