Invention Grant
- Patent Title: Direct casting of ultrahard insert in bit body
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Application No.: US16061680Application Date: 2016-12-14
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Publication No.: US11021913B2Publication Date: 2021-06-01
- Inventor: Yahua Bao , John Daniel Belnap
- Applicant: Smith International, Inc.
- Applicant Address: US TX Houston
- Assignee: Smith International, Inc.
- Current Assignee: Smith International, Inc.
- Current Assignee Address: US TX Houston
- International Application: PCT/US2016/066730 WO 20161214
- International Announcement: WO2017/106388 WO 20170622
- Main IPC: E21B10/42
- IPC: E21B10/42 ; E21B10/48 ; E21B10/54 ; E21B10/55 ; E21B10/567 ; E21B10/573 ; E21B10/58 ; B23P15/28
Abstract:
A cutting bit includes a body, a plurality of blades, and at least one ultrahard insert cast directly into at least one of the plurality of blades. The ultrahard insert is positioned with a rear face directly contacting the blade.
Public/Granted literature
- US20180371844A1 DIRECT CASTING OF ULTRAHARD INSERT IN BIT BODY Public/Granted day:2018-12-27
Information query
