发明名称 BRANDTAETNING AV GENOMFOERING FOER LEDNING
摘要 A prefabricated fire sealing lead-through body (1) for one or more conduits (32) through a wall, for example. The body comprises a casing (2) with elastic fire retardant foamed material (4) disposed therein, said material being kept in the casing and compressed transverse the longitudinal axis there to for sealingly surrounding the conduit or conduits. During casting the building element, one end of the casing is fastened to a fastening element (10) attached to a contiguous shuttering wall (7). The fastening element remains in the building element after the shuttering wall has been taken down.
申请公布号 FI813588(L) 申请公布日期 1981.11.12
申请号 FI19810003588 申请日期 1981.11.12
申请人 OY L M ERICSSON AB 发明人 LEGERIUS BENGT EFRAIM;SIEBERT HANS WERNER
分类号 E04G15/06;H02G3/22 主分类号 E04G15/06
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