Anti-fogging facemask

Abstract

An anti-fogging facemask for preventing fogging of the wearer's glasses or goggles may be described herein. The anti-fogging facemask include an outer facemask and an inner facemask. The inner facemask is attached to the outer facemask. The inner facemask provides a barrier to prevent exhaled air from traveling through the upper end of the facemask. The inner facemask directs exhaled air downwards. The outer facemask forms a seal at an upper portion of the wearer's nose.

What is claimed: 
     
         1 . An anti-fogging facemask comprising:
 an outer facemask; and   an inner facemask, wherein the inner facemask is attached to the outer facemask;   wherein the inner facemask provides a barrier to prevent exhaled air from traveling through the upper end of the anti-fogging facemask and directs exhaled air downwards;   wherein both the outer facemask and the inner facemask form a seal at an upper portion of the wearer's nose.   
     
     
         2 . The anti-fogging facemask of  claim 1 , wherein the seal of the inner facemask includes an adhesive. 
     
     
         3 . The anti-fogging facemask of  claim 1 , wherein the inner facemask is made of cotton. 
     
     
         4 . The anti-fogging facemask of  claim 1 , further comprising an insert that extends over the tip of the nose and spans the width of the mask. 
     
     
         5 . The anti-fogging facemask of  claim 4 , wherein the insert inhibits upward airflow from both the nose and mouth. 
     
     
         6 . The anti-fogging facemask of  claim 1 , further comprising a conical funnel. 
     
     
         7 . The anti-fogging facemask of  claim 6 , wherein the conical funnel is narrow towards the nose seal and widens at the bottom of the mask towards the mouth. 
     
     
         8 . The anti-fogging facemask of  claim 1 , further comprising a full mask, completely embedded within the outer mask. 
     
     
         9 . The anti-fogging facemask of  claim 8  wherein the full mask includes an air-impermeable material towards the upper portion of the mask and a highly air-permeable material towards the lower portion of the mask.