Back to results
US 5,494,477 AGranted
Abrasive tool insert
AssigneeGeneral Electric Company
InventorsGary M. Flood, David M. Johnson, Henry S. Marek
Life of this patent
Estimating the term…
Abstract
An abrasive tool insert comprises a cemented substrate and a polycrystalline diamond layer formed thereon by high pressure, high temperature processing. The interface between the substrate and the diamond layer comprises at least one angled profile wherein said profile slopes downwardly and outwardly toward the periphery of the insert.
Claims5
an abrasive tool insert comprising:
- a substrate,
- a continuous abrasive layer having a periphery forming a cutting surface, said abrasive layer integrally formed on said substrate and defining an interface therebetween,
- wherein said interface includes at least one sloped region extending from said cutting surface to a substantially planar region, said planar region extending from said sloped region to said periphery, such that said abrasive layer is thicker at said cutting surface than at regions immediately and radially interior to said cutting surface.
Dependencies are inferred from the claim text.