POLYCRYSTALLINE CUTTER WITH MULTIPLE CUTTING EDGES

摘要

A cutting element (20) includes a layer (23) of integrally bonded superabrasive particles disposed over a substrate (24). The layer has an outer circumference comprising at least one trough (22) having a distinct cutting point on either side of the trough. A rock drilling drag bit incorporating the cutting element and a method of cutting a material using the cutting element are also disclosed.