Insulated ductwork products

Details Insulated ductwork products Insulated ductwork products

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 9/17 (2006.01) F16L 59/14 (2006.01)

Patent

CA 2664046

An intermediate' insulating product (20) is disclosed comprising a planar insulating layer (11 ) having a top side in to which is formed a plurality of parallel channels (14) having cross-sections with tapered sides. A vapour proof layer (18) is applied to the top surface after the channels (14) have been formed such that the vapour proof layer (18) bridges the plurality of parallel channels (14). The intermediate insulating product (20) is then bent with mechanical manipulation in regions adjacent the bottom of the channels (14) thereby causing the channels (14) to close to form a non- planar, derivative insulated ductwork product (30) and the vapour proof layer (18) forms a vapour proof inner lining (18) to the derivative insulated ductwork product (30).

L'invention concerne un produit d'isolation intermédiaire (20) qui comprend une couche isolante planaire (11) ayant un côté supérieur dans lequel sont formés plusieurs canaux (14) parallèles dont les sections transversales sont des côtés coniques. Une couche imperméable à la vapeur (18) est appliquée sur la surface supérieure une fois les canaux (14) formés, la couche imperméable à la vapeur (18) enjambant alors ces canaux (14) parallèles. Le produit isolant intermédiaire (20) est ensuite plié par manipulation mécanique dans les zones jouxtant le fond des canaux (14) amenant ces derniers (14) à se fermer pour former un produit de gaine dérivé non planaire, et la couche imperméable à la vapeur (18) forme une garniture imperméable à la vapeur (18) pour le produit de gaine isolé dérivé (30).

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