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公开(公告)号:US07810587B2
公开(公告)日:2010-10-12
申请号:US12420971
申请日:2009-04-09
CPC分类号: C04B35/6268 , B22F1/0011 , B22F1/02 , B22F2999/00 , C01B32/949 , C01P2004/02 , C01P2006/80 , C04B35/5626 , C04B35/62675 , C04B35/62831 , C04B2235/3839 , C04B2235/405 , C04B2235/421 , C04B2235/428 , C04B2235/96 , C22C19/007 , C22C29/08 , Y10T428/256 , Y10T428/2991 , B22F9/20 , B22F2201/013 , B22F2201/30
摘要: The invention relates to a drill bit containing tungsten carbide powder having powder particles which have a core of cast tungsten carbide and a shell of tungsten monocarbide.
摘要翻译: 本发明涉及一种含有碳化钨粉末的钻头,其具有粉末颗粒,其具有铸造碳化钨的核心和单体碳化钨壳体。
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2.
公开(公告)号:US20090263646A1
公开(公告)日:2009-10-22
申请号:US12420971
申请日:2009-04-09
IPC分类号: B32B15/02
CPC分类号: C04B35/6268 , B22F1/0011 , B22F1/02 , B22F2999/00 , C01B32/949 , C01P2004/02 , C01P2006/80 , C04B35/5626 , C04B35/62675 , C04B35/62831 , C04B2235/3839 , C04B2235/405 , C04B2235/421 , C04B2235/428 , C04B2235/96 , C22C19/007 , C22C29/08 , Y10T428/256 , Y10T428/2991 , B22F9/20 , B22F2201/013 , B22F2201/30
摘要: The invention relates to a drill bit containing tungsten carbide powder having powder particles which have a core of cast tungsten carbide and a shell of tungsten monocarbide.
摘要翻译: 本发明涉及一种含有碳化钨粉末的钻头,其具有粉末颗粒,其具有铸造碳化钨的核心和单体碳化钨壳体。
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