Invention Grant
- Patent Title: Thin-walled earth boring tools and methods of making the same
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Application No.: US15727307Application Date: 2017-10-06
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Publication No.: US10662716B2Publication Date: 2020-05-26
- Inventor: Paul D. Prichard , John Brosnahan , Roger Stark
- Applicant: Kennametal Inc.
- Applicant Address: US PA Latrobe
- Assignee: KENNAMETAL INC.
- Current Assignee: KENNAMETAL INC.
- Current Assignee Address: US PA Latrobe
- Agent Larry R. Meenan
- Main IPC: E21B10/46
- IPC: E21B10/46 ; B33Y10/00 ; C22C29/08 ; E21B10/08 ; E21B10/43 ; B22F5/00 ; E21B10/627 ; B22F3/105 ; C04B35/56 ; E21B10/50 ; B33Y80/00
Abstract:
Earth boring tools are described herein employing sintered cemented carbide compositions in conjunction with thin-walled architectures. In some embodiments, an earth boring tool comprises a drill bit comprising a cutting portion and a body portion, the body portion including a sintered cemented carbide shell having wall thickness of 5 percent to 25 percent of the drill bit diameter.
Public/Granted literature
- US20190106941A1 THIN-WALLED EARTH BORING TOOLS AND METHODS OF MAKING THE SAME Public/Granted day:2019-04-11
Information query
