ROLLER ARRANGEMENT, IN PARTICULAR FOR PAPER FOLDING, CREASING AND LIKE MACHINES

The present invention concerns a roller arrangement, in particular for use in connection with paper treating machines and more specifically with paper folding, creasing and like machines, in which one or several pairs of rollers are employed and operated for conveying and/or folding a pile of sheets of paper or other cellulosic materials having different thicknesses with respect to each other and arranged parallel in axial direction to each other. Such sheets of material are operatively connected and subjected to common drive means, each pair of feed and sheet conveyor rollers including at least one hard surfaced or steel roller and a further roller for cooperation with the latter carrying a shell or jacket of friction material surrounding its core and presenting a rubbing or friction surface.