| 发明名称 |
METHOD OF RESTORATION OF ROCK-DESTRUCTING TOOL |
| 摘要 |
FIELD: mechanical engineering. SUBSTANCE: defective threaded part of tool expander is removed and diameter of the remaining part of expander with rock-destructing members is enlarged. Then this part is coupled to compensation part for threaded section, and required thread is cut on compensation part. EFFECT: enhanced durability of tool. 3 dwg
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| 申请公布号 |
RU2136472(C1) |
申请公布日期 |
1999.09.10 |
| 申请号 |
RU19980110616 |
申请日期 |
1998.06.01 |
| 申请人 |
SANKT-PETERBURGSKIJ GOSUDARSTVENNYJ GORNYJ INSTITU;T IM G V PLEKHANOVA |
发明人 |
GORELIKOV V.G.;GORSHKOV L.K.;PETROV M.N. |
| 分类号 |
B23P6/00;(IPC1-7):B23P6/00 |
主分类号 |
B23P6/00 |
| 代理机构 |
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