Abstract: A knife drum for a web cross-cutting machine has a generally cylindrical drum body centered on an axis and formed by inner and outer tubes. The inner tube is reinforced with fibers extending helicoidally of the axis at positive and negative angles of 30° to 60° crosswise of one another. The outer tube is fitted coaxially in direct engagement over the inner tube and is reinforced with fibers extending at an angle of less than 30° to the axis. It further is formed with a full-length radially outwardly open groove holding a blade holder in turn carrying a blade.

Abstract: A brake for a sheet feed to a stacking site in which the sheets are engaged by a belt drive from the location at which they are cut from a continuous web. The brake device has an endless belt with a brake stretch parallel to the travel plane of the sheets or declined downward slightly therefrom. The brake has at least one element with a shank over the belt and projecting above the plane at the inlet side of the braking device. The rear edge of the sheet is thus engaged by the shank and the brake belt is decelerated so that the sheet is delivered to the stack at the lower speed.