| 主权项 |
1. A respirator comprising:
a mask having a body extending between a front edge and a rear edge, the body configured to surround a chin, mouth, nose, and eyes of a user's face; a face seal extending inward from the body, the face seal having a first wall extending from the body and a second wall intersecting with the first wall at a sealing land, the sealing land being configured to contact the user's face to form a continuous circumferential seal, the face seal being folded over such that the first wall and the second wall both extend away from the sealing land in a common direction, wherein the second wall extends away from the sealing land to a free end, and wherein the free end of the second wall is disengaged from the mask body and the first wall when the sealing land is not in contact with the user's face, the free end of the second wall being configured to be pressed into engagement with the mask body as the sealing land is contacted with the user's face; and a chin cup extending from the first wall of the face seal, the chin cup configured to receive the chin of the user's face therein. |
