Improvements in devices to control and/or influence the advancement of material bands driven step by step to different machining stations. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in devices for controlling and/or influencing the advance of strips of material driven step by step to various machining stations, making a variation of the advance drive depending on certain characteristics to achieve advance steps of equal magnitude, characterized because it is endowed of a device that measures the respective advance amount of the material web and detects and analyzes each deviation of a predetermined theoretical quantity. (Machine-translation by Google Translate, not legally binding)