F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/02 (2006.01) C03C 13/00 (2006.01)
Patent
CA 2541687
Insulating elements with a resistance to temperature for meeting the demands of normative flame-resistance ratings are used for the inner and/or outer cladding of an air-conditioning and ventilating duct. The fiber composition of these insulating elements has an alkali/earth-alkali mass ratio of < 1, the fiber structure thereof is specified by a mean geometric fiber diameter <= 4 ~m, its bulk density ranges from 20 to 120 kg/m3 and its proportion of binders, when provided in the form of a plate, ranges from 4.5 to 7 % by weight or, when provided in the form of a wire mesh mat, ranges from 0.5 to 1 % by weight.
L'invention concerne un canal de climatisation et de ventilation dans lequel il est prévu d'utiliser des éléments isolants pour l'habillage intérieur et/ou extérieur, lesdits éléments étant thermorésistants afin de satisfaire aux exigences en matière de catégories normatives de résistance au feu. La composition fibreuse desdits éléments présente un rapport en masse alcali/base alcalinoterreuse de < 1. Leur structure fibreuse est déterminée par un diamètre géométrique moyen des fibres <= 4 µm. Leur masse volumique apparente se situe entre 20 et 120 kg/m?3¿ et la proportion de liant qu'ils contiennent, sous forme de plaque, se situe entre 4,5 et 7 % en poids ou, sous forme de natte en treillis métallique, entre 0,5 et 1 % en poids.
Andersson Leif
Bernard Jean-Luc
Bruer Ina
Keller Horst
Mcfadden Fincham
Saint-Gobain Isover
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