发明名称 FIRE SEALING OF LEADS-THROUGH FOR CONDUITS
摘要 <p>A device for laying conduit through a fire-sealing lead-through body in which there is disposed an elastic fire retardant foamed material. The foamed material is kept compressed in the lead-through and after executed laying, surrounds the conduit sealingly. The device comprises a sleeve slit up at the ends to form funnel-shaped flarable sleeve end openings, and further comprises a conical driving tip engageable with the sleeve insertion end, said tip relinquishing engagement with the sleeve end on passing through the foamed material.</p>
申请公布号 CA1145735(A) 申请公布日期 1983.05.03
申请号 CA19810372745 申请日期 1981.03.11
申请人 TELEFONAKTIEBOLAGET L M ERICSSON 发明人 LEGERIUS, BENGT;SIEBERT, HANS W.
分类号 F16L5/02;H02G1/00;H02G3/22;(IPC1-7):F16L5/02 主分类号 F16L5/02
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