Polycrystalline diamond cutting element
US5351772A · kind A · utility
207Cited by
17References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 1993 |
| Grant date | Oct 4, 1994 |
| Priority date | — |
| Expiry date | Feb 10, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/5735
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A substantially polycrystalline diamond compact cutting element for drilling subterranean formations. The cutting element includes a cemented carbide substrate having radially extending raised lands on one side thereof, to and over which is formed and bonded a polycrystalline diamond table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.