Drill bit cutter with stress reducing features
US12352110B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2023 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jun 13, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/42
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A variety of methods, systems, and apparatus are disclosed, including, in one embodiment, a drill bit, comprising: a bit body defining a rotational axis and having a plurality of cutter pockets formed thereon, each cutter pocket shaped to receive a respective substrate of a cutter with a cutting table secured thereon, wherein the substrate of at least one cutter has an outer profile defining an area of increased braze gap; and a braze interface comprising a braze alloy disposed in each cutter pocket between the inner profile of the cutter pocket and the outer profile of the respective substrate, such that a thickness of the braze alloy is greater at the area of increased braze gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.