发明授权
- 专利标题: Matrix powder for matrix body fixed cutter bits
- 专利标题(中): 基体粉末用于基体固定刀头
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申请号: US12189992申请日: 2008-08-12
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公开(公告)号: US08211203B2公开(公告)日: 2012-07-03
- 发明人: Xiayang Sheng , Alan W. Lockstedt , Gregory T. Lockwood
- 申请人: Xiayang Sheng , Alan W. Lockstedt , Gregory T. Lockwood
- 申请人地址: US TX Houston
- 专利权人: Smith International, Inc.
- 当前专利权人: Smith International, Inc.
- 当前专利权人地址: US TX Houston
- 代理机构: Osha • Liang LLP
- 主分类号: B22F1/00
- IPC分类号: B22F1/00
摘要:
A matrix powder for forming a matrix bit body, the matrix powder essentially consisting of a plurality of carbide particles having a particle size distribution of ±20% of a median particle size; and a plurality of metal binder particles is disclosed.
公开/授权文献
- US20090260893A1 MATRIX POWDER FOR MATRIX BODY FIXED CUTTER BITS 公开/授权日:2009-10-22
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