发明名称 |
Filtersikt og vibrasjonssikteapparat |
摘要 |
A screen for a shale shaker has screening material between opposed frame sides and one or more lower strips beneath the screen. In one aspect a plurality of lower strips are bonded to the screen and extend across the screen from one frame side to the other. In one aspect the screen is undulating screening material and lower portions of the screening material are bonded to the strips. |
申请公布号 |
NO314576(B1) |
申请公布日期 |
2003.04.14 |
申请号 |
NO19980000119 |
申请日期 |
1998.01.12 |
申请人 |
VARCO I/P INC |
发明人 |
LEONE, VINCENT DOMINICK;WALKER, JEFFERY EARL;GRICHAR, CHARLES NEWTON;MCCLUNG, GUY LAMONTE;SEYFFERT, KENNETH WAYNE |
分类号 |
B01D29/07;B01D33/00;B07B1/46 |
主分类号 |
B01D29/07 |
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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