Pointed working ends on a bit
US-2015354285-A1 · Dec 10, 2015 · US
Rolling cutter placement on PDC bits
US9016409B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9016409-B2 |
| Application number | US-201113303837-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 23, 2011 |
| Priority date | May 19, 2010 |
| Publication date | Apr 28, 2015 |
| Grant date | Apr 28, 2015 |
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Abstract
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A cutting tool cutting tool may include a tool body having a plurality of blades extending radially therefrom; and a plurality of rotatable cutting elements mounted on at least one of the plurality of blades, wherein the plurality of rotatable cutting elements are mounted on the at least one blade in a nose and/or shoulder region of the cutting tool at a side rake angle ranging from about 10 to about 30 degrees or −10 to about −30 degrees.
First claim
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What is claimed is: 1. A cutting tool comprising: a tool body having a plurality of blades extending radially therefrom; and a plurality of rotatable cutting elements mounted on at least one of the plurality of blades, wherein each rotatable cutting element is rotatable around a cutting element axis extending through the rotatable cutting element; and wherein the plurality of rotatable cutting elements are mounted on the at least one blade in a forward spiral configuration, su…
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- What does patent US9016409B2 cover?
- A cutting tool cutting tool may include a tool body having a plurality of blades extending radially therefrom; and a plurality of rotatable cutting elements mounted on at least one of the plurality of blades, wherein the plurality of rotatable cutting elements are mounted on the at least one blade in a nose and/or shoulder region of the cutting tool at a side rake angle ranging from about 10 to…
- Who is the assignee on this patent?
- Zhang Youhe, Azar Michael G, Smith International
- What technology area does this patent fall under?
- Primary CPC classification E21B10/43. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Apr 28 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).