Polycrystalline diamond compact
US-12044075-B2 · Jul 23, 2024 · US
Cutting elements, earth-boring tools incorporating such cutting elements, and methods of forming such cutting elements
US8973687B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8973687-B2 |
| Application number | US-201113274994-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 17, 2011 |
| Priority date | Oct 27, 2010 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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- Title
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Abstract
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Cutting elements include a substrate, a polycrystalline table, and an asymmetric interface feature. The interface feature includes a shape that is reflectively asymmetric about at least two planes defined by x, y, and z axes of a Cartesian coordinate system defined to align a z axis of the coordinate system with the central axis of the substrate and to locate a center of the coordinate system at a midpoint along an axial height of the asymmetric interface feature. Methods of forming a cutting element involve: forming an asymmetric interface feature at an end of a substrate; distributing a plurality of superhard particles on the substrate over the asymmetric interface feature in a mold; and bonding the superhard particles in the mold to form a polycrystalline table attached to the substrate.
First claim
Opening claim text (preview).
What is claimed is: 1. A cutting element, comprising: a substrate having a central axis, wherein an exposed lateral side surface of the substrate is reflectively and rotationally asymmetric with respect to all axes and planes intersecting with the substrate; a polycrystalline table attached to the substrate at an interface region at an end of the polycrystalline table; and an interface feature, the interface feature comprising a plurality of radially extending spokes that are…
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Cross-Sectional Technologies · mapped topic
- E21B10/5735Primary
Fixed Constructions · mapped topic
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8973687B2 cover?
- Cutting elements include a substrate, a polycrystalline table, and an asymmetric interface feature. The interface feature includes a shape that is reflectively asymmetric about at least two planes defined by x, y, and z axes of a Cartesian coordinate system defined to align a z axis of the coordinate system with the central axis of the substrate and to locate a center of the coordinate system a…
- Who is the assignee on this patent?
- Digiovanni Anthony A, Baker Hughes Inc
- What technology area does this patent fall under?
- Primary CPC classification E21B10/5735. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).