Ventilation board, ventilation box, ventilation system,...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 5/42 (2006.01) B65D 65/40 (2006.01)

Patent

CA 2599695

The present invention relates to a ventilation board, an insulating board, a ventilation system, and articles and architectural applications comprising said ventilation board and a method of manufacturing the ventilation board. The said ventilation board comprises a layer (11) provided with a first aperture (5); an adjacent layer provided (13) with a second aperture (7), the first and second apertures being located relative to each other such that they are non-aligned and are substantially without overlap; and a passageway (9) interconnecting the first and second apertures thereby permitting the passage of fluid therebetween. Therefore, the carton comprising said ventilation board when used for fast food packaging provides sufficient ventilation of the carton so that water condensed from food vapours does not run on to the food in the carton, and sufficient insulation so that the food in the carton is kept warm.

Panneau d'aération, panneau isolant, système d'aération, articles et applications architecturales utilisant ledit panneau d'aération, et procédé de fabrication du panneau d'aération. Ledit panneau d'aération comporte : une couche (11) pourvue d'une première ouverture (5) ; une couche adjacente (13) pourvue d'une deuxième ouverture (7), la première et la deuxième ouvertures étant situées l'une par rapport à l'autre de manière à être non alignées et sensiblement sans chevauchement ; et un passage (9) reliant la première et la deuxième ouvertures, permettant ainsi la circulation du fluide entre elles. Par conséquent, un carton constitué dudit panneau d'aération et utilisé pour emballer des articles de restauration rapide assure une aération suffisante du carton de telle sorte que l'eau de condensation des vapeurs d'aliments ne s'écoule pas sur lesdits aliments dans le carton, ainsi qu'une isolation suffisante pour que lesdits aliments dans le carton soient maintenus chauds.

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