发明名称 Pumping apparatus
摘要 A pumping apparatus for pumping heavy viscous chemicals and the like. The apparatus has a pump means having means for attachment to a container of the viscous chemicals and the like, and has driving means including a motor and means for detachably connecting the driving means to the pump means so that the pump means and driving means are separable, and the driving means may be used with other pump means.
申请公布号 US4557669(A) 申请公布日期 1985.12.10
申请号 US19840646916 申请日期 1984.09.04
申请人 VANDERJAGT, JOHN A. 发明人 VANDERJAGT, JOHN A.
分类号 F04B1/14;F04B15/02;F04B43/02;F04B53/00;(IPC1-7):F04B1/12 主分类号 F04B1/14
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