METHOD FOR MANUFACTURING A PANORAMA BOOK AND A BOOKLOCK OF A PANORAMA BOOK AND FOLDING DEVICE FOR DOUBLE FOLDING LEAVES, POSITIONING ELEMENT AND ALIGNMENT DEVICE APPLIED THEREOF

摘要

Folding device for folding sheets (8) in half, characterized in that the folding device (1) comprises a base plate (2) with a stop (7a, 7b, 7c) for aligning a sheet (8) to be folded and a pressing element ( 3) which is movable with respect to the base plate (2) in order to be able to fold a double foldable sheet (8) which is arranged with two opposite sides against the stop (7a, 7b, 7c) by the pressing element (3) towards the base plate (2) to create a fold (10).