| 发明名称 |
Expansible chuck for the core of a web roll and winding or unwinding machine comprising the same |
| 摘要 |
<p>Rod for inserting into mandrel carrying rolled material e.g. paper has additional locking member to reinforce action of radial springs.</p> |
| 申请公布号 |
EP0790209(A1) |
申请公布日期 |
1997.08.20 |
| 申请号 |
EP19970400294 |
申请日期 |
1997.02.10 |
| 申请人 |
MATERIELS EQUIPEMENTS GRAPHIQUES |
发明人 |
AYFFRE, JEAN-PAUL;MALINIE, ROBERT JEAN |
| 分类号 |
B65H75/24;(IPC1-7):B65H75/24 |
主分类号 |
B65H75/24 |
| 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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