US 11,867,463 B2
Roller for a roller hearth furnace
Björn Kintscher, Velbert (DE); Karl Hoen, Asbach (DE); and Markus Pieper, Mettmann-Unterrath (DE)
Assigned to SMS GROUP GMBH, Dusseldorf (DE)
Appl. No. 17/264,550
Filed by SMS GROUP GMBH, Düsseldorf (DE)
PCT Filed Jul. 15, 2019, PCT No. PCT/EP2019/068992
§ 371(c)(1), (2) Date Jan. 29, 2021,
PCT Pub. No. WO2020/025303, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 10 2018 212 702.6 (DE), filed on Jul. 30, 2018; and application No. 10 2018 220 216.8 (DE), filed on Nov. 26, 2018.
Prior Publication US 2021/0310737 A1, Oct. 7, 2021
Int. Cl. F27D 3/02 (2006.01); F27B 9/24 (2006.01); C03B 35/18 (2006.01); C03B 40/00 (2006.01); C21D 9/46 (2006.01); F27B 9/30 (2006.01); F27D 9/00 (2006.01)
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
OG exemplary drawing
 
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.