Roof tile and a roof covering

Abstract

A roof tile comprising a decorative layer, the decorative layer comprising a ceramic body, and a support layer disposed below the decorative layer, wherein the roof tile comprises an upper edge, a lower edge which is opposite to the upper edge and two opposite side edges, the opposite side edges being transverse to the upper edge, wherein the roof tile comprises at least a first coupling elements configured for being coupled to an adjacent roof tile in a roof covering, and wherein the first coupling elements are provided at least at one side edge of the roof tile.

What is claimed is: 
     
         1 . A roof tile comprising:
 a decorative layer comprising a ceramic body; and   a support layer disposed below the decorative layer,   wherein the roof tile further comprises an upper edge, a lower edge which is opposite to the upper edge and two opposite side edges, the side edges being transversal to the upper edge,   wherein the roof tile further comprises at least a first coupling elements configured for being coupled to an adjacent roof tile in a roof covering, and   wherein the first coupling elements are provided at least on one side edge of the roof tile.   
     
     
         2 . The roof tile according to  claim 1 , wherein the first coupling elements are at least partially formed in the support layer. 
     
     
         3 . The roof tile according to  claim 1 , wherein the support layer comprises at least a portion extending beyond at least an edge of the decorative layer. 
     
     
         4 . The roof tile according to  claim 3 , wherein the first coupling elements are at least partially formed in one or more of said extending portions. 
     
     
         5 . The roof tile according to  claim 1 , wherein the first coupling elements are provided at opposite side edges, and wherein the first coupling elements at opposite side edges have substantially the same shape. 
     
     
         6 . The roof tile according to  claim 1 , wherein the coupling elements comprise an upward concave shape. 
     
     
         7 . The roof tile according to  claim 1  further comprising at least a second coupling element that is at least partially formed in the decorative layer. 
     
     
         8 . The roof tile according to  claim 7 , wherein the second coupling element in the decorative layer is at least partially formed in an upper surface of the decorative layer. 
     
     
         9 . The roof tile according to  claim 7 , wherein the second coupling element is disposed at a predetermined distance from an upper edge of the decorative layer. 
     
     
         10 . The roof tile according to  claim 9 , wherein the predetermined distance is less than half of a distance between the upper edge and the opposite lower edge, preferably less than one-third of the distance between the upper edge and the opposite lower edge. 
     
     
         11 . The roof tile according to  claim 7 , wherein the second coupling element in the decorative layer is in the form of a groove. 
     
     
         12 . The roof tile according to  claim 11 , wherein the groove of the second coupling element runs parallel to an edge of the decorative layer. 
     
     
         13 . The roof tile according to  claim 7  further comprising a third coupling element for coupling with the second coupling element of an adjacent roof tile in the roof covering. 
     
     
         14 . The roof tile according to  claim 13 , wherein the third coupling element is provided in the support layer. 
     
     
         15 . The roof tile according to  claim 1 , wherein the first coupling element is in the form of an adhesive strip. 
     
     
         16 . The roof tile according to  claim 15 , wherein the adhesive strip comprises a pressure sensitive adhesive. 
     
     
         17 . The roof tile according to  claim 1 , wherein the support layer comprises a metal plate. 
     
     
         18 . The roof tile according to  claim 1 , wherein the decorative layer comprises a glaze coating of the ceramic body. 
     
     
         19 . The roof tile according to  claim 1 , wherein the ceramic body comprises porcelain. 
     
     
         20 . The roof tile according to  claim 1 , wherein the roof tile comprises a rectangular shape and a top décor imitating a plurality of roof tiles.