Patent ID: 6764036
Filing Date: 2004-07-20
Classification: B02C

Abstract:
A method of crushing and breaking casting products for crushing and breaking useless casting products by utilizing front end side mountain portions and bottom side mountain portions provided at cutters of one cutter apparatus, front end side mountain portions and bottom side mountain portions provided at cutters of other cutter apparatus opposed to the one cutter apparatus, an extracting movement by a circular arc track of at least the other cutter apparatus and a fitting relationship between the front end side mountain portions and the bottom side mountain portions of the two cutters, said method comprising:(1) a step of processing casting products to be recycled by utilizing a pressing operation of the useless casting products by the front end side mountain portions and the bottom side mountain portions of the cutters and a crushing and breaking operation by fitting together the front end side mountain portions and the bottom side mountain portions of the two cutters by the extracting movement of the cutters of at least the other cutter apparatus; (2) a step of dropping the casting products to be recycled toward a lower side of the one and other cutter apparatus by a retracting movement by the circular arc track of at least the other cutter apparatus; and (3) a step of discharging the dropped casting products to be recycled by opening a discharge opening provided at the one and other cutter apparatus.