| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the feeling of fitting of a mask to the surface of a user's face by hardly forming a gap between the vicinity of the centers of both of the sides of a mask main body part when the user wears the mask. <P>SOLUTION: A length between both of the ends of the upper end edge 21 of the mask main body part 1 of a horizontally long shape for covering at least the mouth of the surface of the face is designated to be shorter than a length between both of the ends of a lower edge 22. Both of the side edges in the longitudinal direction of the mask main body part 1 are formed to be equal to lines combining upper and lower ends or at least on the inner sides than the combining lines. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
