B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 29/17 (2006.01) B41F 23/00 (2006.01)
Patent
CA 2243901
A printing machine has a printing cylinder receiving printing substrates for printing. A cleaning device for cleaning the printing substrates transferred to the printing cylinder is provided. The cleaning device has a slotted nozzle connected to a vacuum source and having a slot opening. The cleaning device includes a compressed air conduit extending perpendicularly to the direction of movement of the printing substrates. The compressed air conduit is arranged centrally in the slot opening and extends in the longitudinal direction of the slot opening such that on opposite sides of the compressed air conduit two slots are formed in the longitudinal direction. The compressed air conduit has compressed air outlets directing the air flow onto the printing substrates. The compressed air outlets have a diameter of 2 mm to 4 mm and the air nozzle has a width of 15 mm to 25 mm.
Machine à imprimer dotée d'un cylindre recevant des substrats d'impression. La machine comprend un dispositif de nettoyage des substrats transférés au cylindre d'impression. Ce dispositif de nettoyage comprend une buse à fente reliée à une source de force d'aspiration. Le dispositif de nettoyage comprend un conduit d'air comprimé situé perpendiculairement à la direction de déplacement des substrats d'impression. Le conduit d'air comprimé est fixé au centre de l'orifice en fente et est orienté longitudinalement par rapport à l'orifice en fente, de sorte que sur des côtés opposés du conduit, deux fentes longitudinales sont formées. Le conduit d'air comprimé est doté de deux sorties dirigeant le flux d'air sur les substrats d'impression. Les sorties d'air comprimé présentent un diamètre de 2 à 4 mm, et la buse affiche une largeur allant de 15 à 25 mm.
Ernst Marks Gmbh & Co Kg
Ridout & Maybee Llp
LandOfFree
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