Mouth mask
Provided is a mouth mask. The mouth mask comprises a mouth mask main body and ear hanging parts arranged on two ends of the mouth mask main body. The middle part of the mouth mask protrudes like a cone. Protruding upper and lower edges extend towards inner side. A fixing belt fixing a movable filter...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | Provided is a mouth mask. The mouth mask comprises a mouth mask main body and ear hanging parts arranged on two ends of the mouth mask main body. The middle part of the mouth mask protrudes like a cone. Protruding upper and lower edges extend towards inner side. A fixing belt fixing a movable filtering sheet is arranged along the transverse axis of the mouth mask main body. A projection is arranged on the upper edge of the movable filtering sheet. The mouth mask can be used for many times without need for replacing, and is comfortable to wear. |
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