发明名称 Underpass or tunnel water drain component - is of sealed plastics with top edge flange to receive frame and sealing track
摘要 <p>Water drainage component is partic. suitable for use in underpasses or tunnels, and comprises a drain component comprising at least one connecting stub for an outlet pipe, with an open head side for connection to a second like-shaped drain unit. On the drain component the frame can be fitted for insertion of cover grids. The drain (6) is made of water-tight synthetic material, and on its uppermost free lengthways edge has a flange (7) on the inner part of which the frame (8) can be fitted, and on the outer part of which the sealing track(3) can be mounted. The flange (7) at least in the area of the frame mounting, is reinforced by metal inserts (9).</p>
申请公布号 DE2729907(A1) 申请公布日期 1979.01.18
申请号 DE19772729907 申请日期 1977.07.01
申请人 PASSAVANT-WERKE MICHELBACHER HUETTE 发明人 WEILER,WALTER
分类号 E01C11/22;(IPC1-7):01C11/22;03F3/04 主分类号 E01C11/22
代理机构 代理人
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