发明名称 |
Mineral winning pick, pick holder, and combination |
摘要 |
Releasable or replaceable picks or teeth for a mining or boring drill head, bit or drum are described. The tooth or cutting tool (108) includes a shank or axle (126) for attaching to a recess or holder (112) of a drilling machine. The tooth bears against the holder at bearing surfaces (152). |
申请公布号 |
NZ627813(A) |
申请公布日期 |
2016.08.26 |
申请号 |
NZ20140627813 |
申请日期 |
2014.06.18 |
申请人 |
ESCO CORPORATION |
发明人 |
TORRES DELGADO ROBERTO DE JESUS;CLAPHAM WILLIAM STEPHEN |
分类号 |
E21C35/18;E02F9/28;E21C35/19 |
主分类号 |
E21C35/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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