Patent ID: 6805555
Filing Date: 2004-10-19
Classification: C21D,F27B,F27D

Abstract:
An insulating curtain assembly for a continuous furnace having a product entry opening and a product exit opening at longitudinal ends of the furnace, each opening extending horizontally between furnace side walls and extending vertically from a product conveying surface to a furnace end wall, each curtain assembly comprisinga woven metal-wire fabric having a plurality of elongated segments arranged side-by-side and hingedly connected to each other along hinging axes, for hanging vertically in a furnace opening with said hinging axes oriented parallel to the conveyor surface, and a thermal insulating fabric arranged as backing to at least a portion of said woven metal-wire fabric, for providing an insulating heat barrier for blocking an opening of the furnace, wherein when hanging vertically in said furnace opening a face of said woven metal-wire fabric is directed so as to be encountered by product moving along said product conveying surface whereby said thermal insulating fabric is protected from encountering said product.