Patent ID: 8778040
Filing Date: 2014-07-15
Classification: B22F,B24D,C22C,E21B

Abstract:
1. A method of manufacturing a superabrasive element, the method comprising: providing a substrate and a sintered superabrasive volume including a sintered superabrasive material; positioning the substrate and the sintered superabrasive volume within a first portion of an enclosure; subjecting the first portion and at least a second portion of the enclosure to a vacuum; before exposing the enclosure to a pressure of at least about 60 kilobar and bonding the sintered superabrasive material to the substrate, attaching together the first and second portions of the enclosure to form a seal therebetween while the enclosure is in the vacuum, thereby sealing the enclosure in the vacuum to form a sealed enclosure; exposing the sealed enclosure to the pressure of at least about 60 kilobar; and bonding the sintered superabrasive material to the substrate.