Drill bit including button array having different radii extending from center of head section
US10006252B2 · kind B2 · utility
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5References
5Claims
0Family size
Assignee
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Key dates
| Filing date | May 27, 2013 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Dec 9, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/54
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill bit including a button array having different radii extending from the center of a head section, and more particularly, to a drill bit in which buttons are arranged so as to have different radii from the center of a drill bit head section, thereby striking bedrock points having different radii and improving the efficiency of a drilling operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.