发明名称 Mobile draining unit for flood water - has combined filter with thick walled perforated tubular shells and gravel contained in slotted filter
摘要 <p>The mobile draining arrangement is used for lowering ground water level. The mobile unit is connected horizontally for local draining in ground water area. This draining system is used in places where inserts cannot be driven into the ground vertically. The mobile unit avoids expensive pneumatic arrangements and temporary draining of saturated ground is ensured. It has a draining element consisting of a combined filter system with thick walled, perforated enclosing tubular shells. This holds a slotted filter and a vacuum filter tube is held in the shell centre. The space between shell, central tube and slotted filter is filled with filter gravel. The vacuum filter tube is connected to a pump.</p>
申请公布号 DE2603476(A1) 申请公布日期 1977.08.04
申请号 DE19762603476 申请日期 1976.01.30
申请人 LACH,RUDOLF 发明人 LACH,RUDOLF
分类号 E02D19/10;(IPC1-7):02D19/10 主分类号 E02D19/10
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