| 摘要 |
The invention proposes a mask body (20) for the protection of the respiratory system of a wearer, comprising: a filtering assembly a support structure for supporting the filtering assembly, the support structure having an opened state and a store state in which the mask body (20) is flat-folded, the support structure having several levels (42, 44, 46) linked by blocking means adapted to open out the support structure along the direction of the breathing of the wearer trough the filtering assembly. The invention also proposes a mask comprising the above mask body (20). The invention allows to have mask with a high comfort, a lifetime and a rigidity similar to masks with a cup-molded form while having the size of masks with a flat-folded form in the store state.
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