B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 21/00 (2006.01)
Patent
CA 2415682
The invention relates to a device for fixing a sheet on the surface of an electrically conductive cylinder of a sheet-fed printing machine, especially sheet-fed offset printing machines. Said device comprises an electrode that extends along the entire width of the cylinder. A sheet located on the surface of the cylinder can be fed between said electrode. The invention aims at improving said device with the purpose of ensuring easy and reliable sheet guidance and enhanced printing quality. According to the invention, this is achieved in that a device (3, 5, 6, 7, 8) which feeds an air flow to the sheet located on the surface of the cylinder (GD) is mounted in front of the electrode (2) in the direction of advancement of the sheet.
L'invention concerne un dispositif destiné à fixer une feuille sur la surface d'un cylindre électroconducteur d'une imprimeuse à feuilles, en particulier d'une rotative offset à feuilles. Ledit dispositif comporte une électrode s'étendant sur la largeur du cylindre, une feuille située à la surface du cylindre pouvant être guidée entre l'électrode et le cylindre. L'invention vise à développer un tel dispositif de manière à mettre en oeuvre un guidage simple des feuilles, permettant par ailleurs d'améliorer la qualité de l'impression. A cet effet, ledit dispositif comporte un système (3, 5, 6, 7, 8) alimentant un courant d'air sur la feuille logée sur la surface du cylindre (GD), disposé en amont de l'électrode (2) dans le sens d'avancement des feuilles.
Dorsam Edgar
Gebhardt Rainer
Litterst Thomas
Ludwig Thomas
Seidel Frank
Dorsam Edgar
Gebhardt Rainer
Litterst Thomas
Ludwig Thomas
Man Roland Druckmaschinen Ag
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