Scratching block, and processing method and processing apparatus of a scratching block

A block having a scratching part at the top, and a method and a device for manufacturing the block are provided to form a scratching part at the top of a block by the contact rotating of a rotary brush, to form many scratching parts at the top of a block at various angles, and to form a scratching part at the top of a block to the various depth. A block(3) has scratching parts(31) at the top at various angles by the contact rotating of many rotary brushes locating variously. A device for manufacturing a block comprises a conveyor on which blocks are placed, and a scratching device provided to the upper part of the conveyor to scratch the top of the conveyed blocks, wherein the scratching device comprises a frame provided to the upper part of the conveyor, and a scratching unit fixed to the frame to scratch the top of the block and composed of a rotary brush fixed to the frame by a fixture and rotated by a motor. A method for manufacturing a block to have a scratching part at the top comprises the steps of putting blocks at the top of a conveyor and conveying, and then forming a scratching part at the top of each block by the contact rotating of a rotary brush.