发明授权
- 专利标题: Pick assembly
- 专利标题(中): 选择装配
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申请号: US11844586申请日: 2007-08-24
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公开(公告)号: US07600823B2公开(公告)日: 2009-10-13
- 发明人: David R. Hall , Ronald Crockett , Scott Dahlgren , Jeff Jepson
- 申请人: David R. Hall , Ronald Crockett , Scott Dahlgren , Jeff Jepson
- 代理商 Tyson J. Wilde
- 主分类号: E21C35/18
- IPC分类号: E21C35/18
摘要:
A high impact resistant pick in a holder having a super hard material bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide bolster. A bore is formed in a base end of the carbide bolster generally opposed to the front end. A steel shank being fitted into the bore of the bolster at a bolster end of the shank, and a portion of the shank is disposed within a bore of the holder at a holder end of the shank.
公开/授权文献
- US20080035386A1 Pick Assembly 公开/授权日:2008-02-14
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