| 发明名称 |
SEGMENTED HUB FOR RETAINING THE SPACER RING OF A TWO-PIECE GATE VALVE |
| 摘要 |
<p>A two piece gate valve of the typed having the gate discs operatively spaced by an annular spacer ring of predetermined width includes intermeshing lug on the juxtoposed surfaces of the discs forming a segmented circular hub interiorally bounding the spacer ring and expandable to accommodate spacer rings of varying predetermined widths.</p> |
| 申请公布号 |
CA1072524(A) |
申请公布日期 |
1980.02.26 |
| 申请号 |
CA19770283339 |
申请日期 |
1977.07.22 |
| 申请人 |
ROCKWELL INTERNATIONAL CORPORATION |
发明人 |
ANDERS, RONALD J.;MOHAN, RAMESH |
| 分类号 |
F16K3/14;F16K3/12;F16K3/30;(IPC1-7):16K3/12 |
主分类号 |
F16K3/14 |
| 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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