17-08-2021 дата публикации
Номер: CN113261722A
Принадлежит:
The invention discloses a metal face frame for compressing a mask, which comprises a face frame body, the face frame body is provided with a sealing piece and a hanging rope mounting structure, and the face frame body is an annular metal plate. The strength of the metal plate is set to enable an adult to bend the metal plate to change the shape of the metal plate so that the metal plate can be attached to the face, the metal plate can be pulled by the elastic band to be prevented from being pulled and deformed by the elastic band, and a user can bend the metal plate into the shape matched with the face and then use the metal plate. The face frame body is arranged to be the metal plate, when the face frame is used, the metal plate is bent to be in the shape roughly attached to the face, then the remaining gap is filled with the liquid air bag or the soft rubber body, and therefore the mask is fully attached to the face of the human body, and air is prevented from entering and exiting from ...
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