Patent ID: 6398700
Filing Date: 2002-06-04
Classification: D21G

Abstract:
A roll for a paper/board machine or finishing device, comprisinga roll mantle defining an interior and having an inner face, an inner tube arranged inlaid interior of said roll mantle and having an outer face arranged at a distance from said inner face of said roll mantle such that a space is defined between said outer face of said inner tube and said inner face of said roll mantle through which a heating medium may flow, and a plurality of fastenings for coupling said inner tube to said roll mantle, at least a first one of said fastenings having a fixed radial position in which said first fastening is in engagement with said inner face of said roll mantle when said inner tube is arranged in said interior of said roll mantle, a second one of said fastenings having an adjustable radial position in which said second fastening is in engagement with said inner face of said roll mantle when said inner tube is arranged in said roll mantle; wherein said second fastening comprises a spring unit, a piston part, and a spindle part having a head part adapted to be pressed against said inner face of said roll mantle by said spring unit, an interior space being defined between said piston part and said spindle part and receivable of a pressure medium, said spring unit being arranged such that upon removal of pressure medium from said interior space, said head part is urged outward from said inner tube.