Sheet folding apparatus and method

B - Operations – Transporting – 31 – B

Patent

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Details

B31B 1/26 (2006.01) B31F 1/00 (2006.01) B65H 45/16 (2006.01) B65H 45/28 (2006.01)

Patent

CA 2500279

In some embodiments of the present invention, a method and apparatus for holding sheets are disclosed in which single transverse folds are created by vacuum rolls in one operational mode and double transverse folds are created by vacuum rolls in another operational mode. The folder can have a low profile in which the axes of various elements and assemblies in the folder are located within height ranges relative to the height of a folding roll axis in the folder.

Certains modes de réalisation décrits dans cette invention concernent un procédé et un dispositif permettant de maintenir des feuilles dans lesquelles des plis transversaux uniques sont crées au moyen de rouleaux aspirants dans un mode opératoire, et des plis transversaux doubles sont crées au moyen de rouleaux aspirants dans un autre mode opératoire. La plieuse peut présenter un profil bas dans lequel les axes de divers éléments et ensembles contenus dans la plieuse sont situés dans une gamme de hauteurs par rapport à la hauteur de l'axe des rouleaux de pliage dans la plieuse.

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