| 发明名称 |
Repairing of hydraulic cylinders for support shields |
| 摘要 |
According to the invention, cylinders with damaged surfaces are repaired by the damaged areas being localized according to a first honing operation while constructing a template and then by being hard-faced while tracing the template.
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| 申请公布号 |
DE3719980(A1) |
申请公布日期 |
1988.12.29 |
| 申请号 |
DE19873719980 |
申请日期 |
1987.06.15 |
| 申请人 |
MBK-HYDRAULIK MEUWSEN & BROCKHAUSEN GMBH & CO KG |
发明人 |
HOFFMANN,HELMUT |
| 分类号 |
B23K9/04;B23P6/02;(IPC1-7):B23P6/02;E21D23/16;E21F17/00 |
主分类号 |
B23K9/04 |
| 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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