Distortion-reduced lithographic printing press

Details Distortion-reduced lithographic printing press Distortion-reduced lithographic printing press

B - Operations, Transporting

41

F

B41F 7/00 (2006.01) B41F 13/22 (2006.01)

Patent

CA 2148737

In a lithographic printing press for printing on material in sheet or web form, a plate cylinder has a printing form mounted thereon. A gapless blanket cylinder is engageable with the plate cylinder and a tubular, removable blanket having a continuous surface is mounted on the blanket cylinder. Mechanisms to expand a cylindrical sleeve are provided as well as mechanisms to reduce cylinder distortion during rotation.

Presse à imprimer lithographique, servant à l'impression de matériaux en feuilles ou en bande continue, comprenant un cylindre porte-plaque sur lequel est montée une forme d'impression. Un cylindre porte-blanchet sans vide s'engage dans le cylindre porte-plaque. Un blanchet amovible et tubulaire, présentant une surface continue, est monté sur le cylindre porte-blanchet. Des mécanismes d'expansion du manchon cylindrique sont fournis, ainsi que des mécanismes de réduction de la distorsion du cylindre durant la rotation.

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