<p>A drain insert is provided for insertion in a drain beneath a drain grate (10) to prevent ingress of material, comprising: an elastomeric valve (16) disposed between the drain grate (10) and the drain that is closed in the absence of draining liquid and opens due to its presence; and a reservoir (13) that fills and overflows with the draining liquid passing through a drain path outlet (24) that is below an upper level (21) of the reservoir.</p>
申请公布号
WO2012024716(A1)
申请公布日期
2012.03.01
申请号
WO2011AU00790
申请日期
2011.06.28
申请人
ECO GUARDIANS PTY LTD;WILSON, DOUGLAS;MOYNES, PAUL PATRICK;CARROLL, JOHN
发明人
WILSON, DOUGLAS;MOYNES, PAUL PATRICK;CARROLL, JOHN