Cutting elements with improved cutting element interface design and bits incorporating the same
US6962218B2 · kind B2 · utility
32Cited by
56References
79Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 2003 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Jun 3, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/5735
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Cutting elements having a non-planar substrate interface surface including a band and an ultra hard material layer over the interface surface are provided. Also provided are earth boring bits incorporating such cutting elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.