PROTECTIVE FACE MASK Russian patent published in 2021 - IPC A41D13/11 

FIELD: medicine.

SUBSTANCE: protective face mask relates to the field of medicine. The mask contains a rotating protective screen, a unit for fixing the mask on the head in form of a band and a rim connected to it, passing across the head from above, an air supply fan, a hinged connection of the screen with the band. Along the upper edge, the protective screen is paired with a side mounted on the inside with the front edge of the visor, which has at least one additional fan on the lower surface, each of which is located under a through hole made in the visor. The screen is made U-shaped, having a frontal plane and two side lines, the connections of which have a smooth bend, do not distort the image of objects.

EFFECT: achieved is uniform distribution of the air flow, covering the entire internal space of the protective screen from the top to the bottom.

10 cl, 2 dwg