Method and device for determining the web tension in a web of printed material

摘要

At a first position (24) along a route for a length of printing material (20) there is a device (26), which delivers a signal to facilitate a conclusion on the tension in the length of printing material prevailing at the first position. There is a device, which uses a computer to determine the tension in the length of printing material prevailing at a second position (25) along the route of the length of printing material. An independent claim is also included for a device for determining tension in a length of printing material.