20130134249 | APPARATUS FOR SHEARING AND BREAKING NONFERROUS CASTING - An apparatus for shearing and breaking nonferrous castings of the present invention comprises one cutter unit and the other cutter unit disposed in a frame. Each of the one cutter unit and the other cutter unit is comprised of at least an intermediate cutter unit located at the intermediate stage and a lower cutter unit located at the lower stage. Each of the intermediate cutter units is a multi-vertex cutter part formed into a multi-vertex shape by rhombic cutting edges and crucial cutting edges connected to the respective intersections of diagonals of the rhombic cutting edges. The lower cutter units respectively have a concave cutting edge and a convex cutting edge which are engaged with a gap being formed therebetween. | 05-30-2013 |