Retractable protective respiratory mask
a mask and respiratory technology, applied in the field of respiratory masks, can solve the problems of large-scale pandemics, unsuitable for the accumulation of fluids, and ineffective access, and achieve the effect of quick and effectiv
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[0019]This invention concerns a device, a retractable protective respiratory mask that has doors which open and close, which have grooves over its doors to hold the filter bag or sleeve through the elastic bands that fit into the grooves in the doors that open making a perfect seal between the mouth and nose against the environment possible and allowing for the deposit of saliva and sputum, expulsed when talking and / or sneezing, and / or coughing, and / or spitting, characterized in that this device possesses two doors in a curved shape which open in the same manner as the expandable filter cover by the action of the mechanical and / or electric, and / or hydraulic, and / or pneumatic systems, and closes the doors and at the same time contracts the cover of the expandable filter, through spring action, when pressure is not applied with the hand. Furthermore, when it is closed, its size is only one third of the total volume of its size when it is open, making it lightweight, comfortable, ergon...
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