Device to hold sheet on cylinder for rotary sheet feed letterpress printing machine; has holder roller, blow arrangement, guide unit or combination to hold sheet in working area behind lifting device

摘要

The device has (22,18a,17) is arranged in a working area (B), which lies behind a further working area (C), in which the sheet is gripped by a lifting device. The device may be formed as a holder roller (22) that can be activated, as a blow arrangement (16,17), as a guide unit (18,18a,b), or as a combination of these components. A number of additional blow units (27-29) may be provided to hold the sheet on the cylinder.