To provide a mask widely covering the area around the nose and mouth, forming a sufficient space between the mask and the face of a user, and having the high adhesiveness to the face.
The mask comprises a center panel 22 with left and right side edges 22a and 22b, which face each other and which are convexly curved outward, and a first side panel 24 and a second side panel 26 connected to the left and right side edges of the center panel 22 respectively. The distance A1 is larger than the distance A2 when the distance A1 is the distance from the lower end of the joint part of the first side panel 24 and the center panel 22 to the lower end of the joint part of the second side panel 26 and the center panel 22 and the distance A2 is the distance from the upper end of the joint part of the first side panel 24 and the center panel 11 to the upper end of the joint part of the second side panel 26 and the center panel 22.
COPYRIGHT: (C)2007,JPO&INPIT
Kumiko Tajima
Takayuki Kaneda
| JP11501840A | ||||
| JP57039859A | ||||
| JP57039858A | ||||
| JP62155865U | ||||
| JP44021600Y1 |
Yoshiyuki Matsushima