| 发明名称 |
PUMP DEVICES AND METHODS FOR USING THE SAME |
| 摘要 |
A simplified pump system may include a bellow having a suction valve, a stem, and a fluid lock wherein the product flow into and out of a pump chamber formed by the bellow and stem is controlled by the suction valve and fluid lock. |
| 申请公布号 |
US2013336824(A1) |
申请公布日期 |
2013.12.19 |
| 申请号 |
US201113994284 |
申请日期 |
2011.12.21 |
| 申请人 |
BOES ERWIN;DE REGT JEROEN D.;MEADWESTVACO CALMAR, INC. |
发明人 |
BOES ERWIN;DE REGT JEROEN D. |
| 分类号 |
F04B45/02 |
主分类号 |
F04B45/02 |
| 代理机构 |
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代理人 |
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| 地址 |
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