| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 41 | METHOD FOR PRODUCING A MACHINE HOUSING WITH A SURFACE-HARDENED FLUID CHAMBER | PCT/EP2008004285 | 2008-05-29 | WO2009012837A8 | 2009-05-22 | WAGNER PETER |
| A method for producing a machine housing with a fluid chamber (14), which has a hardening layer (16) on the inner surface of its wall, characterized in that the hardening layer (16) is produced from a material which is not electrically conductive per se but is made conductive by additives, and in that the surface of the hardening layer (16) is worked by electrical discharge machining. | ||||||
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