Patent ID: 6234947
Filing Date: 2001-05-22
Classification: B65H

Abstract:
A method for transversely folding signatures including:providing a pre-fold cylinder;providing a path of signature travel and locating said pre-fold cylinder in said path of signature travel;positioning pre-fold clamping elements on said pre-fold cylinder;directing signatures along said path of signature travel to said pre-fold cylinder;placing said signatures between said pre-fold clamping elements;providing a pre-fold in each of said signatures by using said pre-fold clamping elements;providing a pair of rotating folding rollers along said path of signature travel and after said pre-fold cylinder;directing said signatures provided with said pre-fold by using said pre-fold clamping elements to said pair of rotating folding rollers; andfinish-folding said signatures provided with said pre-fold using said pair of rotating folding rollers.