发明名称 |
POLYMERIC PUMP PARTS |
摘要 |
<p>Polymeric and polymeric composite parts for pumps and a method of manufacturing same are disclosed. More specifically, a valve insert comprising a polymeric seal sized to fit on an outside diameter of a valve closure member for a plunger pump; a pressure packing element ring for a plunger on a plunger pump; and a pressure packing element ring for a push rod on plunger of a plunger pump, each of said articles being formed from a naphthalene-1,5-diisocyanate (NDI) based polyurethane component and an extender.</p> |
申请公布号 |
EP2649319(A2) |
申请公布日期 |
2013.10.16 |
申请号 |
EP20110799141 |
申请日期 |
2011.12.06 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
SAINI, RAJESH KUMAR;LIANG, FENG;STRIBLING, DAVID MARK |
分类号 |
F04B53/02;B29C44/34;F04B53/10;F16J15/44;F16J15/56;F16K15/02 |
主分类号 |
F04B53/02 |
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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