Patent ID: 9200668
Filing Date: 2015-12-01
Classification: C21D,F16B,F16C,F16D,F27D

Abstract:
1. A roller for a high temperature annealing line, the roller comprising a cylindrical shell made of composite material, an axial support element made of a metal material, the axial support element including a longitudinal axis located at a central rotational axis of the axial support element, and a spindle located at least one of a first and second longitudinal end of the axial support element, wherein the roller comprises at least first and second keys fastened to the axial support element and each key arranged in a respective first or second through opening formed in the shell, said through openings presenting dimensions that are greater than the dimensions of the keys, each through opening including, in a determined travel direction along the circumference of the shell, first and second circumferential bearing surfaces and, in a determined axial travel direction, first and second longitudinal bearing surfaces; wherein the first key is mounted to bear against the first circumferential bearing surface and the second longitudinal bearing surface of the first through opening without bearing against the second circumferential bearing surface and the first longitudinal bearing surface; and wherein the second key is mounted to bear against the second circumferential bearing surface and the first longitudinal bearing surface of the second through opening without bearing against the first circumferential bearing surface and the second longitudinal bearing surface.