发明名称 CHECK VALVE FOR A SELF-PRIMING PUMP
摘要 <p>A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.</p>
申请公布号 CA2618418(A1) 申请公布日期 2007.02.15
申请号 CA20062618418 申请日期 2006.08.10
申请人 ENVIROTECH PUMPSYSTEMS, INC. 发明人 HARMON, JAMES;PAULIN, GREG;SHAW, JAMES G.;NORTHRUP, JAMES
分类号 F16K15/03 主分类号 F16K15/03
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