A - Human Necessities – 62 – C
Patent
A - Human Necessities
62
C
A62C 2/06 (2006.01) F16L 5/04 (2006.01)
Patent
CA 2168546
The invention relates to a pipe seal (1) comprising a sheet-metal casing (3) bendable around a pipe (2) and a swelling compound (9) arranged on the inside thereof which, in the event of fire, is capable of sealing the pipe (2) and/or a wall channel. According to the invention, projec- tions (7) containing swelling compound are associated at intervals from one another with the inside of the sheet- metal casing (3).
Un dispositif d'obturation (1) pour tuyau comprend une enveloppe métallique (3) enroulable autour d'un tuyau (2). Un agent gonflant (9) qui obture le tuyau (2) et/ou un passage à travers un mur en cas d'incendie est situé sur la face intérieure de l'enveloppe métallique (3). Selon l'invention, l'enveloppe métallique (3) porte sur sa face intérieure des saillies (7) mutuellement espacées qui contiennent l'agent gonflant.
Annemaier Dieter
Graf Robert
Gruenau Illertissen Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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