CPC F27D 3/026 (2013.01) [F27B 9/2407 (2013.01); C21D 9/46 (2013.01); F27B 2009/3066 (2013.01); F27D 2009/0013 (2013.01)] | 3 Claims |
1. A roller for a roller hearth furnace, comprising: a water-cooled, rotatably mounted carrying axle; a plurality of support rings arranged on the carrying axle at a spacing from one another; insulation provided on the carrying axle in axial regions between and next to the support rings, the insulation being composed of a fiber material; and protective means for protecting an outer circumference of the fiber material from the environment, wherein the insulation is composed of circular or ring-shaped punched fiber parts, wherein the protective means is configured as ring-shaped insulating disks composed of a more resistant material than the material of the punched fiber parts, wherein at least one of the punched fiber parts is provided in each case axially between two of the insulating disks.
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