Patent ID: 9085170
Filing Date: 2015-07-21
Classification: B41F,B41J,B65H

Abstract:
1. A paper conveying apparatus for conveying continuous paper in a printing machine which is provided with a printing section, a machining section, and a plurality of feed roll units for conveying the continuous paper by feeding the continuous paper in the printing section and the machining section while the continuous paper is caught in the feed roll units so as to successively print on and machine the continuous paper while in conveyance by the feed roll units, characterized in that the paper conveying apparatus comprises: a control means for individually controlling respective feed rates of said feed roll units, said control means having a printing mode and an initial paper threading mode, said control means when in said printing mode controlling the respective feed rates of the feed roll units so that the feed rate of a said feed roll unit at a downstream side is larger than the feed rate of a said feed roll unit at a side upstream thereof so as to generate a proper amount of tension and impart it to the continuous paper,