Patent ID: 7883454
Filing Date: 2011-02-08
Classification: D21F,D21G,F16C

Abstract:
1. A roll assembly in a paper/board machine or finishing machine comprising: an inner non-rotating fiber reinforced material beam; and a roll shell mounted for rotation on and with respect to the inner non-rotating fiber reinforced material beam, wherein the inner non-rotating fiber reinforced material beam is at least partly comprised of composite material of reinforcing fibers in a matrix of polymeric material; wherein the fiber reinforced material beam has upper portions which define a longitudinal groove in which a support part holds a plurality of support elements in supporting engagement with the roll shell, the support part being of steel or cast iron and positioned on the fiber reinforced material beam by means of an intermediate layer which is selected to even out differences in thermal expansion between the support part and the beam and which intermediate layer fixes the support part to the fiber reinforced material beam.