Wood fiber insulating panel

B - Operations – Transporting – 27 – N

Patent

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B27N 3/00 (2006.01)

Patent

CA 2243078

The object of the invention is to provide a novel wood fibre damp slab which is economic to produce, as far as the parameters energy consumption, water consumption and timing are concerned, and whose density and resulting technical properties such as heat insulation, resistance to pressure and the like can be very accurately adjusted. After a refiner process that follows a pulping process, wood fibres whose humidity content is unaltered are mixed with a binder, spread on a moulding station by a dispenser, shaped in their width and thickness, and after the binder is activated, dried to form a slab. The wood fibre damp slab has < 150 kg/m3 bulk density and <=0.045 W/(m × K) heat conductivity.

L'objet de l'invention est de créer un panneau de fibres isolant d'un type nouveau économique à produire, pour ce qui est de la consommation d'énergie et d'eau et de la synchronisation, et dont la densité, et par conséquent les propriétés techniques qui en résultent, telles que l'isolation thermique, la résistance à la pression, etc. peuvent être ajustées de manière très précise. A cet effet, après un processus de raffinage qui suit un processus de défibrage, les fibres de bois, dont la teneur en humidité reste inchangée, sont mélangées avec un liant, étalées par un distributeur sur une station de moulage, façonnées tant en largeur qu'en épaisseur et une fois le liant activé, séchées pour former un panneau de fibres isolant d'une masse volumique apparente < 150 kg/m<3> et d'une conductivité thermique </=0,045 W/(m x K).

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