发明名称 Device for the fire-constraining bushing of cables or the like through a wall opening
摘要 <p>A device for the fire-constraining bushing of cables (10) or the like through a wall opening, having a supporting frame (1), which is anchored in the wall (2), for holding packing pieces (3) which are produced from material which swells under the influence of heat and are constructed with in each case one channel (4) which is used for holding a cable (10). In this case, the cables (10) are surrounded in the associated packing piece (3) by a slotted sleeve (12), which is manufactured from insulating material and projects beyond the packing piece (3) at least on one side. <IMAGE></p>
申请公布号 DE3446503(A1) 申请公布日期 1985.08.14
申请号 DE19843446503 申请日期 1984.12.20
申请人 RUDOLF DOEPFL GMBH 发明人 DOEPFL,RUDOLF
分类号 H02G3/22;(IPC1-7):H02G3/22 主分类号 H02G3/22
代理机构 代理人
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