Water sports mask

Abstract

A water sports mask is provided, which includes a viewing window portion, a frame portion and a waterproof skirt. The waterproof skirt has a first region, a second region, and at least one groove formed therebetween. The groove has at least two of a width, a depth and an outer angle, each being specifically ranged in value, to substantially increase a degree of flexible deformation of the waterproof skirt. Therefore, when a user wears the water sports mask, a rear edge of the second region is configured to be more suitably fit along a contour of a face of the user.

What is claimed is: 
     
         1 . A water sports mask, comprising:
 a viewing window portion;   a frame portion;   a waterproof skirt having a first region and a second region, wherein a portion of the first region and the viewing window portion are water-tightly embedded in the frame portion, and when a user wears the water sports mask, a rear edge of the second region is configured to fit a face of the user;   characterized in that:
 at least one groove is formed between the first region and the second region of the waterproof skirt to substantially increase a degree of flexible deformation of the waterproof skirt so that the rear edge is configured to be more suitably fit along a contour of the face of the user; and 
 the at least one groove has at least two of a width, a depth and an outer angle, in which the width ranges between 1.5 and 25 millimeters (mm), the depth ranges between 2 and 30 mm, and the outer angle ranges between 5 and 180 degrees. 
   
     
     
         2 . The water sports mask of  claim 1 , wherein the first region of the waterproof skirt has an upper frame section and a lower covering section, and the frame portion is integrally formed by being extended from the upper frame section to allow the viewing window portion to be water-tightly embedded in the frame portion, whereby when the user wears the water sports mask, the viewing window portion is configured to cover eyes of the user, and the lower covering section is configured cover a nose of the user. 
     
     
         3 . The water sports mask of  claim 2 , wherein the waterproof skirt is formed with a plurality of grooves circumferentially positioned on an outer edge of the frame portion. 
     
     
         4 . The water sports mask of  claim 3 , wherein the width, the depth and the outer angle of each of the grooves range between 2 and 10 mm, between 5 and 15 mm, and between 5 and 100 degrees, respectively. 
     
     
         5 . The water sports mask of  claim 1 , wherein the first region of the waterproof skirt has an upper frame section and a lower covering section, and the upper frame section and the viewing window portion are water-tightly embedded in the frame portion, whereby when the user wears the water sports mask, the viewing window portion is configured to cover eyes of the user, and the lower covering section is configured to cover a nose of the user. 
     
     
         6 . The water sports mask of  claim 5 , wherein the waterproof skirt is formed with one groove positioned on an upper side thereof. 
     
     
         7 . The water sports mask of  claim 6 , wherein the width, the depth and the outer angle of the groove range between 5 and 20 mm, between 3 and 15 mm, and between 5 and 100 degrees, respectively. 
     
     
         8 . The water sports mask of  claim 1 , wherein the first region of the waterproof skirt has an upper frame section and a lower covering section, and the upper frame section and the viewing window portion are water-tightly embedded in the frame portion, whereby when the user wears the water sports mask, the viewing window portion is configured to cover eyes of the user, and the lower covering section is configured to cover a nose and a mouth of the user. 
     
     
         9 . The water sports mask of  claim 8 , wherein the waterproof skirt is formed with two grooves positioned on two opposite sides thereof, respectively. 
     
     
         10 . The water sports mask of  claim 9 , wherein the width, the depth and the outer angle of each of the grooves range between 3 and 10 mm, between 5 and 20 mm, and between 15 and 120 degrees, respectively. 
     
     
         11 . The water sports mask of  claim 1 , wherein the first region of the waterproof skirt and the viewing window portion are water-tightly embedded in the frame portion, whereby when the user wears the water sports mask, the viewing window portion is configured to cover eyes, a nose and a mouth of the user. 
     
     
         12 . The water sports mask of  claim 11 , wherein the waterproof skirt is formed with one groove positioned on a lower side thereof. 
     
     
         13 . The water sports mask of  claim 12 , wherein the width, the depth and the outer angle of the groove range between 2 and 10 mm, between 10 and 25 mm, and between 30 and 180 degrees, respectively.