Direct casting of ultrahard insert in bit body
US11021913B2 · kind B2 · utility
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39References
13Claims
0Family size
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Key dates
| Filing date | Dec 14, 2016 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Dec 14, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23P15/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting bit includes a body, a plurality of blades, and at least one ultrahard insert cast directly into at least one of the plurality of blades. The ultrahard insert is positioned with a rear face directly contacting the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.