Invention Grant
US08109177B2 Bit body formed of multiple matrix materials and method for making the same
有权
由多种矩阵材料形成的位体及其制造方法
- Patent Title: Bit body formed of multiple matrix materials and method for making the same
- Patent Title (中): 由多种矩阵材料形成的位体及其制造方法
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Application No.: US11250097Application Date: 2005-10-12
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Publication No.: US08109177B2Publication Date: 2012-02-07
- Inventor: Kumar T. Kembaiyan
- Applicant: Kumar T. Kembaiyan
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- Agency: Christie, Parker & Hale, LLP
- Main IPC: B21K5/04
- IPC: B21K5/04
Abstract:
Drill bit bodies are provided having one portion formed of one composition and a further portion formed of a different composition. The different compositions provide different functional properties to respective portions of the drill bit body. Methods for forming such drill bit bodies are also provided.
Public/Granted literature
- US20060032335A1 Bit body formed of multiple matrix materials and method for making the same Public/Granted day:2006-02-16
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