Cutting element incorporating a cutting body and sleeve and method of forming thereof
US9816324B2 · kind B2 · utility
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151References
20Claims
0Family size
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Key dates
| Filing date | Jun 18, 2014 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Feb 9, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C2204/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting element for use in a drilling bit and/or a milling bit having a cutter body made of a substrate having an upper surface, and a superabrasive layer overlying the upper surface of the substrate. The cutting element further includes a sleeve extending around a portion of a side surface of the superabrasive layer and a side surface of the substrate, wherein the sleeve exerts a radially compressive force on the superabrasive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.