Crush resistant filtering face mask

Details Crush resistant filtering face mask Crush resistant filtering face mask

2005-08-02

2005-08-02

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

C128S206160, C128S205270, C128S205290

Reexamination Certificate

active

06923182

ABSTRACT:
A filtering face mask that includes a mask body that is adapted to fit over the nose and mouth of a person and a harness that is attached to the mask body. The mask body comprises i) a first shaping layer that has been molded; ii) a second shaping layer that has been molded; iii) a filtration layer that is disposed between the first and second shaping layers; iv) a first adhesive layer that adheres the first shaping layer to the filtration layer; and v) a second adhesive layer that adheres the second shaping layer to the filtration layer.

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