Thick pointed superhard material
US8109349B2 · kind B2 · utility
62Cited by
116References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2007 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Aug 29, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/5676
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one aspect of the invention, a high impact resistant tool includes a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material has a substantially pointed geometry with a sharp apex having a radius of curvature of 0.050 to 0.125 inches. The superhard material also has a thickness of 0.100 to 0.500 inches thickness from the apex to a central region of the cemented metal carbide substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.