发明名称 Tin seat for rock drill insert
摘要 A rock drilling bit includes at least one button having a button sidewall and button bottom, the button sidewall and the button bottom having a button sidewall geometry and a button bottom geometry, respectively. The rock drilling bit further comprises a bit body having at least one button-receiving hole having a hole sidewall and a hole bottom, the hole sidewall and the hole bottom having a hole sidewall geometry complementary to the button sidewall geometry and a hole bottom geometry, and a deformable seat compressed between the buttom bottom and the hole bottom so that the seat conforms to a hole bottom geometry and the button bottom geometry. The seat comprises tin.
申请公布号 US7434635(B2) 申请公布日期 2008.10.14
申请号 US20060463981 申请日期 2006.08.11
申请人 SANDVIK INTELLECTUAL PROPERTY AB 发明人 SIMMONS ROB A.;SHOFNER MATTHEW FLOYD
分类号 E21B10/36 主分类号 E21B10/36
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