Invention Grant
US08899356B2 Drill bits, cutting elements for drill bits, and drilling apparatuses including the same
有权
钻头，用于钻头的切削元件以及包括钻头的钻孔设备
- Patent Title: Drill bits, cutting elements for drill bits, and drilling apparatuses including the same
- Patent Title (中): 钻头，用于钻头的切削元件以及包括钻头的钻孔设备
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Application No.: US12980217Application Date: 2010-12-28
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Publication No.: US08899356B2Publication Date: 2014-12-02
- Inventor: Russell Roy Myers
- Applicant: Russell Roy Myers
- Applicant Address: US UT Orem
- Assignee: Dover BMCS Acquisition Corporation
- Current Assignee: Dover BMCS Acquisition Corporation
- Current Assignee Address: US UT Orem
- Agency: ALG Intellectual Property, LLC
- Main IPC: E21B10/36
- IPC: E21B10/36 ; E21D20/00 ; E21B10/58
Abstract:
A roof-bolt drill bit may have a forward end, a rearward end, and a rotational axis extending between the forward end and the rearward end. A cutting element for the roof-bolt drill bit may include a cutting face and a peripheral surface extending around an outer periphery of the cutting face. The cutting element may include at least one chamfer region and a peripherally extending chamfer extending from the at least one chamfer region along the outer periphery of the cutting element, a width of the at least one chamfer region being greater than a width of the peripherally extending chamfer.
Public/Granted literature
- US20120160573A1 Drill Bits, Cutting Elements for Drill Bits, and Drilling Apparatuses Including the Same Public/Granted day:2012-06-28
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