| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a disposable mask which is not bulky when is is packed and whose filter part is never adhered to a face surface when it is worn. <P>SOLUTION: The disposable mask 1 has a face contact pad 4 forming a ring shape and a filter part 3 connected with the outer peripheral part of the pad 4. The pad 4 is formed of a soft and elastic material. The filter part 3 consists of a permeable sheet material, has bending resistance of 0.25 to 4N×cm, and has pleats consisting of one or more mountain hold parts 11, 12 and one or more valley holding parts extending in parallel to each other in a horizontal direction to be flat by folding the pleats. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
