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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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