| 发明名称 |
Track tamping method and machine |
| 摘要 |
In a first operating stage during which ballast is delivered to a track section delimited by two undercarriages while it is lifted, the length of the track section is extended, and the track section is shortened in a second operating stage during which the ballast is tamped until a desired track level has been obtained. |
| 申请公布号 |
US6481358(B2) |
申请公布日期 |
2002.11.19 |
| 申请号 |
US20010873677 |
申请日期 |
2001.06.04 |
| 申请人 |
FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M.B.H. |
发明人 |
THEURER JOSEF;WOERGOETTER HERBERT |
| 分类号 |
E01B27/12;E01B27/17;(IPC1-7):E01B27/00 |
主分类号 |
E01B27/12 |
| 代理机构 |
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代理人 |
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