Device for positionally exact printing of continuous sheeting

Details Device for positionally exact printing of continuous sheeting Device for positionally exact printing of continuous sheeting

B - Operations, Transporting

41

J

B41J 15/00 (2006.01) B41J 11/42 (2006.01) B41J 11/66 (2006.01) B41J 11/70 (2006.01) B41J 15/04 (2006.01) B65H 23/04 (2006.01) B65H 35/00 (2006.01)

Patent

CA 2226888

A device for printing unmarked continuous sheeting (1) with images of a first predetermined length (D) has a printer (2) which prints continuously and has an input (2a) which initiates a positionally exact printing process. After printing a cutting device (4) is used to cut up the sheeting (1) into segments of a second predetermined length (L) and the printed images must be produced on the sheeting (1) exactly positioned in relation to the separation points (T) between the segments. Furthermore, there is a sensor (3) which at its output (3a) gives a signal whenever the point corresponding to the start of a segment for printing corresponds to a predetermined multiple of the second predetermined length (L), the output (3a) of the sensor (3) being connected to the input (2a) of the printer (2).

L'invention concerne un dispositif permettant d'imprimer, sur une feuille (1) continue ne portant aucun repère, des images d'une première longueur (D) prédéterminée. Le dispositif présenté comprend un imprimante (2) qui imprime en continu et comporte une entrée (2a) servant au déclenchement d'un processus d'impression en position exacte. Après l'impression, un dispositif de découpage (4) est utilisé pour couper la feuille (1) en segments d'une seconde longueur (L) prédéterminée, et les images imprimées doivent être produites sur la feuille (1) en position exacte par rapport aux points de séparation (T) se trouvant entre les segments. En outre, le dispositif comprend un capteur (3) dont la sortie (3a) émet un signal chaque fois que le point correspondant au début d'un segment à imprimer correspond à un multiple prédéterminé de la seconde longueur (L) prédéterminée, ladite sortie (3a) du capteur (3) étant reliée à l'entrée (2a) de l'imprimante (2).

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