Machine tool for the simultaneous machining of a plurality of on a support (3) and forming a row of bricks (2.1) in the region of its upper side, in particular in the region of their respective edges (2.1.1), with at least one machining assembly (6, 6a) with at least a rotatingly drivable transport element (10) as well as with a plurality of the bricks (2.1) be processed by the machining tools (13) to the rotationally driven transport element (10), characterized in that the conveying element is a chain (10), which forms a closed loop, which, in a plane parallel or substantially parallel to the plane of the upper side of the stone layer is arranged, and that the loop at least over the entire width, which the stone layer (2) in the axial direction of the loop.
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