H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 7/29 (2006.01)
Patent
CA 2617098
The invention concerns a flat fire-resistant safety cable (1), comprising: at least two electrical conductors (3), one insulating layer (4) around each electrical conductor (3) to provide at least two insulated elements (5), the insulating layer (4) consisting of at least one polymeric material transformable at least at the surface into ceramic state at high temperatures in case of fire; and an outer sheath (6) enclosing said insulated elements (5), said cable having, in cross-section, an outer profile including at least two substantially planar and substantially mutually parallel surfaces, and the insulated conductors being adjacent to each other, side by side and their axes being located in a common plane included between said at least two surfaces.
La présente invention concerne un câble de sécurité (1) plat, résistant au feu, comportant : - au moins deux conducteurs électriques (3), - une couche isolante (4) autour de chaque conducteur électrique (3) pour obtenir au moins deux éléments isolés (5), la couche isolante (4) étant constituée à partir d'au moins une matière polymérique apte à se transformer au moins superficiellement en l'état de céramique à des températures élevées dans les incendies, et - une gaine extérieure (6) entourant lesdits éléments isolés (5), ledit câble présentant, en section droite, un profil extérieur comprenant au moins deux faces sensiblement planes et sensiblement parallèles entre elles, et les conducteurs isolés étant adjacents entre eux, côte à côte et leurs axes se trouvant dans un même plan compris entre lesdites au moins deux faces.
Jorand Thierry
Pons Jean-Louis
Gowling Lafleur Henderson Llp
Prysmian Energie Cables Et Systemes France
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