发明名称 |
METHOD FOR THE MANUFACTURING OF A CONE CUTTER FOR ROTARY DRILLING BY CRUSHING, A ROTARY CONE DRILL BIT, A CONE CUTTER AND CRUSHING ELEMENTS THEREFORE |
摘要 |
A rotary cone drill bit includes at least one leg carrying a journal provided with bearing surfaces cooperating via bearing elements with bearing races in a rotatable cone cutter. The cone cutter is provided with rows of crushing elements. Each crushing element has a greatest width (D) and a greatest height (H), wherein H/D<1.2. The crushing elements are welded to the body of the cone cuter to form a metallurgical bond therewith. |
申请公布号 |
WO0183934(A2) |
申请公布日期 |
2001.11.08 |
申请号 |
WO2001SE00856 |
申请日期 |
2001.04.19 |
申请人 |
SANDVIK AB (PUBL) |
发明人 |
CLAESSON, BJOERN;KARLSSON, LENNART;LINDEN, JOHAN;LUNDELL, LARS-GUNNAR |
分类号 |
B23K9/00;E21B10/22;E21B10/52 |
主分类号 |
B23K9/00 |
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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