| 摘要 |
A bent tile (1) is provided with an upper surface (2) having a nosing (3) in the part of the tile which goes to be over the underlying tile (1) and said nosing (3) forms a suspended part having protection role from the rain and from other atmospheric agents in the points where the tiles (1) go to be over. Said suspended part (3) provides a lower cylindrical surface (4). Moreover to eliminate the infiltrations coming under the tiles (1) grooves (7) are provided which stop the drops letting out the same on the upper part of the underlying tile (1). <IMAGE>
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