Mask and nose cover

Abstract

A mask includes: a mask main body for preventing exposure of a mouth of a user; and a nose cover portion protruding from the mask main body to prevent exposure of an external nostril of the user. The nose cover portion is foldable with respect to the mask main body at a boundary with the mask main body. The mask has: a usage mode in which the mask is attached to a head of the user in a state where the nose cover portion is folded with respect to the mask main body at the boundary; and a usage mode in which the mask is attached to the head in a state where the nose cover portion is unfolded with respect to the mask main body at the boundary.

What is claimed is: 
     
         1 . A mask comprising:
 a mask main body for preventing exposure of a mouth of a user; and   a nose cover portion protruding from the mask main body to prevent exposure of an external nostril of the user,   wherein the nose cover portion is foldable with respect to the mask main body at a boundary with the mask main body; and   the mask has:   a usage mode in which the mask is attached to a head of the user in a state where the nose cover portion is folded with respect to the mask main body at the boundary; and   a usage mode in which the mask is attached to the head in a state where the nose cover portion is unfolded with respect to the mask main body at the boundary.   
     
     
         2 . The mask according to  claim 1 , wherein the nose cover portion is connected to the mask main body only at a lower end of the nose cover portion in a state where the nose cover portion is unfolded with respect to the mask main body at the boundary. 
     
     
         3 . The mask according to  claim 1 , wherein the mask has a usage mode in which the mask is attached to the head in a state where the nose cover portion is folded to a front side of the mask main body at the boundary as the usage mode in which the mask is attached to the head in a state where the nose cover portion is folded with respect to the mask main body at the boundary. 
     
     
         4 . The mask according to  claim 1 , wherein the mask has a usage mode in which the mask is attached to the head in a state where the nose cover portion is folded to a back side of the mask main body at the boundary as the usage mode in which the mask is attached to the head in a state where the nose cover portion is folded with respect to the mask main body at the boundary. 
     
     
         5 . The mask according to  claim 1 , further comprising a mark indicating the boundary. 
     
     
         6 . The mask according to  claim 1 , wherein at least a part of the boundary has different rigidity from that of at least one of a portion of the mask main body adjacent to the boundary and a portion of the nose cover portion adjacent to the boundary. 
     
     
         7 . A mask comprising:
 a mask main body for preventing exposure of a mouth of a user; and   a nose cover attached to a front side of the mask main body so as to protrude from the mask main body in order to prevent exposure of an external nostril of the user,   wherein the nose cover is detachably attached to the mask main body.   
     
     
         8 . A nose cover attached to a front side of a mask main body for preventing exposure of a mouth of a user so as to protrude from the mask main body in order to prevent exposure of an external nostril of the user.