| abstract |
Disclosed is a disposable mask that has a high filtering function because it is in close contact with the face, has a good wearing feeling, and does not feel strange even when the mouth is moved. The left and right mask materials 1 and 2 are overlapped so that their contours overlap each other, and their arcuate edges are welded with a predetermined width. Of the arc-shaped welded portion P in a state where the left and right mask materials 1 and 2 are overlapped with each other. A portion having a predetermined length from the upper end is cut off by a straight line that obliquely crosses the welded portion. [Selection] Figure 1 |