发明名称 |
A SCREEN ASSEMBLY FOR A VIBRATORY SEPARATOR |
摘要 |
<p>A screen assembly having a support, the support made of composite material, and at least one layer of screening material on the support, the support having openings that are larger at the top than at the bottom (or vice versa) and/or with a base member or member extending across the bottom of the support.</p> |
申请公布号 |
EP2056973(B1) |
申请公布日期 |
2015.08.12 |
申请号 |
EP20070733775 |
申请日期 |
2007.06.25 |
申请人 |
NATIONAL OILWELL VARCO, L.P. |
发明人 |
SCOTT, ERIC;STRONG, GARY STEVEN |
分类号 |
B29C37/00;B07B1/46;B29C39/10;E21B21/06 |
主分类号 |
B29C37/00 |
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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