Nano-breathing mask
A mask and face technology, applied in the direction of respiratory protection devices, fire rescue, life-saving equipment, etc., can solve the problems of not being able to provide, lack of antibacterial methods, and not being able to fit the face, etc., to reduce odor, reduce atomization, and reduce The effect of intrusion or escape
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[0047] refer to figure 1 : The figure shows a side view with the nose angle and space 1, the comfortable breathing space 2 formed in front of the mouth 2a, the chin recess and space 3, the seam of the mask and the strap is shown as mark 4, and The mid-point, balance point or pivot point of the mask 6 is shown with dashed lines to illustrate the point of minimum movement of the mask. The lower strap 5 is attached to the mask at an intermediate point between the chin and the pivot point, while the upper strap 7 is attached at the upper part of the mask. Importantly, the angle a of the upper strap is between 30 and 60 degrees depending on the face of the wearer, and is preferably 45 degrees. Similarly, angle b is between 10 and 40 degrees depending on the face of the wearer, and is preferably 25 degrees.
[0048] refer to figure 2 : This figure is a substantially similar figure, but importantly, shows that the upper belt angle a1 is between 40 and 70 degrees, but preferably 5...
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