F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
248/17
F16L 5/02 (2006.01) H02G 1/00 (2006.01) H02G 3/22 (2006.01)
Patent
CA 1145735
ABSTRACT OF THE DISCLOSURE 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.
372745
Legerius Bengt
Siebert Hans W.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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