Diamond bit steel body cutter pocket protection
US7644786B2 · kind B2 · utility
11Cited by
14References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2006 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Nov 17, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/55
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit that includes a steel bit body having at least one blade thereon, at least one cutter pocket disposed on the at least one blade; at least one cutter disposed in the at least one cutter pocket; at least one recess formed in at least a portion of the surface of the at least one cutter pocket, wherein the recess is adjacent a leading face of the at least one blade; and an erosion resistant material in the at least one recess is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.