Drying apparatus within a sheet-fed printing machine

Details Drying apparatus within a sheet-fed printing machine Drying apparatus within a sheet-fed printing machine

B - Operations, Transporting

41

F

B41F 23/04 (2006.01)

Patent

CA 2415418

The invention pertains to a drying apparatus within a sheet-fed printing machine, in particular, a sheet-fed offset printing machine, with a device for acting upon the moving sheets with air and/or heat. The present invention is based on the objective of expanding a drying apparatus of this type in such a way that the drying effect is improved. According to the invention, this is achieved due to the fact that the apparatus contains an electrode and a corresponding counter-electrode, wherein the electrode is connected to a high-voltage source and a high voltage is applied to the electrode by the high-voltage source in dependence on the operation of the sheet-fed printing machine and/or the length of the sheets.

L'invention concerne un dispositif de séchage monté à l'intérieur d'une machine d'impression à feuilles, en particulier une machine d'impression offset à feuilles, qui comprend un dispositif soumettant les feuilles en déplacement à l'effet de l'air et/ou de la chaleur. L'objectif de la présente invention est de développer un tel dispositif de séchage de telle sorte que l'on obtienne une meilleure efficacité du séchage. Cet objectif est atteint par le fait qu'à ce dispositif est associée une électrode (E), avec une contre-électrode, qui est reliée à une source de haute tension (HV) et alimente en haute tension ce dispositif selon le fonctionnement de la machine d'impression à feuilles et/ou la longueur des feuilles (B).

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