发明名称 Drum-top drainfield funnel
摘要 A drainfield funnel suitable for use with either 55 gallon or 30 gallon drums, the funnel comprising a bottom having two drum rim receiving channels, one sized to correspond to a 55 gallon drum and the other sized to correspond to a 30 gallon drum, a perimeter lip, a funnel surface sloping to a spout and a generally horizontal drainfield surface formed by a number of discrete object support members, where preferably the linear openings between the object support members are relatively limited.
申请公布号 US5577539(A) 申请公布日期 1996.11.26
申请号 US19940342305 申请日期 1994.11.18
申请人 SHAW, MARK D.;HEYMAN, J. TAD;BIERCE, LAURENCE M.;EHREDT, JESSE 发明人 SHAW, MARK D.;HEYMAN, J. TAD;BIERCE, LAURENCE M.;EHREDT, JESSE
分类号 B67C11/02;F16N31/00;(IPC1-7):B67C11/00 主分类号 B67C11/02
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