Invention Grant
- Patent Title: Earth-boring bit parts including hybrid cemented carbides and methods of making the same
- Patent Title (中): 地镗钻头零件包括混合硬质合金及其制造方法
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Application No.: US12196951Application Date: 2008-08-22
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Publication No.: US08322465B2Publication Date: 2012-12-04
- Inventor: Prakash K. Mirchandani
- Applicant: Prakash K. Mirchandani
- Applicant Address: US PA Pittsburgh
- Assignee: TDY Industries, LLC
- Current Assignee: TDY Industries, LLC
- Current Assignee Address: US PA Pittsburgh
- Agency: K&L Gates LLP
- Agent Patrick J. Viccaro; John E. Grosselin, III
- Main IPC: E21B10/08
- IPC: E21B10/08
Abstract:
An earth-boring bit part such as, for example, a bit body, roller cone, or mud nozzle includes a hybrid cemented carbide composite. The hybrid cemented carbide includes a cemented carbide dispersed phase, and a cemented carbide continuous phase. A method of manufacture also is disclosed.
Public/Granted literature
- US20100044115A1 EARTH-BORING BIT PARTS INCLUDING HYBRID CEMENTED CARBIDES AND METHODS OF MAKING THE SAME Public/Granted day:2010-02-25
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