| 发明名称 |
Butterfly valve apparatus |
| 摘要 |
A butterfly valve apparatus comprising a rotating shaft, a valve stem movable by the rotating shaft through a coupling member and a valve plate fixed within a valve housing to the valve stem.
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| 申请公布号 |
US4007910(A) |
申请公布日期 |
1977.02.15 |
| 申请号 |
US19750602300 |
申请日期 |
1975.08.06 |
| 申请人 |
KUBOTA, LTD. |
发明人 |
YASUOKA, MASAHIRO;OKADA, YOSHITSUGU |
| 分类号 |
F16K1/22;F16K31/54;(IPC1-7):F16K31/44 |
主分类号 |
F16K1/22 |
| 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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