Cutting elements with reduced variable back rake angle
US12011773B2 · kind B2 · utility
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Key dates
| Filing date | May 26, 2021 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Jun 23, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2200/203
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit for cutting formation comprises a bit body, a plurality of cutters, and a plurality of blades with pockets to accommodate the cutters, respectively. In an embodiment, the plurality of cutters comprise a substrate, an ultra-hard layer, a concave surface on the top of the ultra-hard layer, wherein the concave surface comprises a plurality of planar and curved surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.