| 发明名称 |
Valve operating mechanism. |
| 摘要 |
<p>A valve operating mechanism which opens and closes a passage communicating to a cavity by contraction and restoration of a packing, with little mechanical movable parts for the opening/closing operation. <IMAGE></p> |
| 申请公布号 |
EP0554768(A1) |
申请公布日期 |
1993.08.11 |
| 申请号 |
EP19930101172 |
申请日期 |
1993.01.27 |
| 申请人 |
YAMAMOTO SUIATU KOGYOSHO CO., LTD. |
发明人 |
ONIZUKA, KATSUMI;MATSUNO, SATOSHI;SASAKI, KAZUO |
| 分类号 |
F16K7/20;F16K11/10;F16K11/20;F16K13/00;F16K31/12 |
主分类号 |
F16K7/20 |
| 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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