公开(公告)号：US20230234805A1

公开(公告)日：2023-07-27

申请号：US18011202

申请日：2020-09-30

申请人： Ahlstrom-Munksjö Oyj

发明人： Daniel L. Cournoyer ,  Bruno Dellier ,  Eric Rousset ,  Philippe Sorel

IPC分类号： B65H45/30

CPC分类号： B65H45/30 ,  B65H2301/4227 ,  B65H2701/11312 ,  B65H2404/633

摘要： According to an example aspect of the present invention, there is provided a method and apparatus for folding a stack of superposed sheets. The method comprises transferring the stack to a folding station, gripping a first part of the stack with a first grip and forming a crease on the stack to facilitate the folding. Then the at least a part of the stack is folded over the first part of the stack that has been gripped by utilizing the crease, the folded stack is gripped with a second grip and the folded stack is transferred from the folding station to a next handling stage and releasing the first grip.