Cutting element having a stud and cutting disk bonded thereto
US4716975A · kind A · utility
18Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 3, 1987 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Feb 3, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T407/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting element for use in rotary drill bits comprises a generally cylindrical stud and a cutting disk bonded to a supporting surface of the stud. The supporting surface intersects a cylindrical side surface of the stud to form an edge. The supporting surface includes a plurality of alternating projections and grooves extending in a front-to-rear direction of a supporting surface. The projections and grooves include rear ends terminating short of the edge to minimize the formation of stress cracks in the edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.