Visor provided with a uv-sensitive material

Abstract

A visor having a curved transparent plate includes a photochromic material layer detachably mounted on the transparent plate. The photochromic material layer including a photochromic pigment is provided at the convex outer side of the transparent plate and a seal element is provided at a location to maintain a certain spacing between the transparent plate and the photochromic material layer and to prevent water ingress between the two surfaces. An anti-scratch coating is applied at an outer side of the photochromic material layer.

1 . (canceled) 
     
     
         2 . A visor comprising:
 at least one curved transparent plate having a convex outer side and a concave inner side;   a photochromic material layer, the photochromic material layer being detachably mounted on the transparent plate, wherein the photochromic material layer is provided at the convex outer side of the transparent plate;   a seal element which seal element is provided at a location to maintain a certain spacing between the transparent plate and the photochromic material layer and to prevent water ingress between the two surfaces, wherein the photochromic material layer comprises a photochromic pigment; and   an anti-scratch coating applied at an outer side of the photochromic material layer.   
     
     
         3 . A visor according to  claim 2 , wherein the photochromic material layer has the property that less visible and/or UV light is transmitted through the photochromic material layer as more light and/or UV light is incident thereon. 
     
     
         4 . A visor according to  claim 2 , wherein the photochromic material layer is provided on or within at least part of a field of vision or viewing portion of said plate. 
     
     
         5 . A visor  claim 2 , wherein at least one of the transparent plate and the photochromic material layer comprises polycarbonate. 
     
     
         6 . A visor according to  claim 2 , further comprising a fastener for fastening the photochromic material layer to the outer surface of the transparent plate. 
     
     
         7 . A visor according to  claim 6 , wherein said fastener comprises one of: a clamp, tension, snap, clip, hook and loop, pin, or magnet fastening system, or adhesive. 
     
     
         8 . A visor according to  claim 2 , wherein the anti-scratch coating is water repellent or prevents the visor from misting up.