Printing or coating method and printing or coating device

Details Printing or coating method and printing or coating device Printing or coating method and printing or coating device

B - Operations, Transporting

05

C

B05C 9/10 (2006.01) B05D 3/02 (2006.01) B05D 3/14 (2006.01) B41F 17/00 (2006.01) B41M 7/00 (2006.01) B65B 61/00 (2006.01)

Patent

CA 2318781

A work surface is subjected to a corona discharge treatment and then to printing or coating. A container surface is subjected to a corona discharge treatment and preheating and then to printing or coating. The printed or coated container is heated to dry the ink or coating material and the filled materials in the container are also heat- treated. The printing or coating used is of the non-spray type. The preheating device and heating device used are of the high frequency heating type. A direction change mechanism is provided to make it possible to apply printing or coating to one container at two or more places therein and to subject containers in general to preheating and a corona discharge treatment.

On soumet une surface de travail à un traitement par décharge corona, puis on l'imprime ou on y applique un revêtement. On soumet une surface du récipient à un traitement par décharge corona et préchauffage, puis on l'imprime ou on y applique un revêtement. On chauffe le récipient imprimé ou revêtu de façon à sécher l'encre ou le matériau de revêtement, ainsi que les matériaux qu'il contient. L'encre ou le revêtement utilisé n'est pas pulvérisé. Le préchauffage et le chauffage se font au moyen de dispositifs chauffants à haute fréquence. Un mécanisme de changement de direction permet d'appliquer l'encre ou le revêtement sur un récipient à deux emplacements différents ou davantage et de soumettre les récipients en général à un traitement par préchauffage et décharge corona.

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