Patent · US Expired

Cutting element

US6991049B2 · kind B2 · utility

70Cited by
28References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2002
Grant dateJan 31, 2006
Priority date
Expiry dateDec 1, 2022

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B10/5735
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The present invention provides a cutting element having a cylindrical body having a canted end face on which is formed an ultra hard material layer and a method of forming the same. One or a plurality of transition layers may be provided between the ultra hard material layer and the cutting element body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.