发明名称 |
Drive nut and torque plate assembly |
摘要 |
A gate valve gate is raised and lowered by a threaded stem. The stem threads into a separately formed nut that is secured to the gate.
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申请公布号 |
US4138091(A) |
申请公布日期 |
1979.02.06 |
申请号 |
US19770800437 |
申请日期 |
1977.05.25 |
申请人 |
COMBUSTION ENGINEERING, INC. |
发明人 |
MCGEE, JOHN K. |
分类号 |
F16K3/314;F16K31/50;(IPC1-7):F16K31/50 |
主分类号 |
F16K3/314 |
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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