Suction belt for feeding sheets of paper to printing machines has roughened edges which are zigzag, sinusoidal, battlement or sawtooth shaped

摘要

The suction belt for feeding sheets of paper to printing machines has roughened edges (34, 36). These have a roughness RZ which is more than 1 mm and are zigzag, sinusoidal, battlement or sawtooth shaped. An independent claim is included for feed tables fitted with the belt.