Patent ID: 7503520

Claim:
A reel shaft for reeling a paper web in a reel-up in a paper machine, which reel-up includes at least one unit that is mobile in a longitudinal direction of the paper machine and supports a pair of opposite engagement members each of which includes an engagement part, the engagement parts being arranged for rotatably carrying and detachably engaging the reel shaft during reeling, wherein the reel shaft is free of a support shaft and comprises a self-supporting, tubular sleeve substantially formed of fiber-reinforced plastic, the sleeve having an envelope surface on which initial wrapping of the paper web shall be performed, and also an internal surface defining an axial channel through the sleeve, the axial channel terminating in axial openings at the ends of the reel shaft, the reel shaft being arranged to receive the engagement parts in said axial openings to allow formation of said detachable engagement.