Bar code printing on cartons with hot melt ink

Details Bar code printing on cartons with hot melt ink Bar code printing on cartons with hot melt ink

B - Operations, Transporting

41

J

B41J 3/01 (2006.01) B41J 2/175 (2006.01) B41J 3/28 (2006.01) B41J 3/407 (2006.01) B41J 29/38 (2006.01)

Patent

CA 2285218

In a method and apparatus for printing bar codes (10) on cartons disclosed in the specification, cartons (32) on which bar codes (10) are to be printed are conveyed in succession in either direction past a heater (40) which heats a selected portion of the carton surface (42) and a hot melt ink jet printer (44) which prints a bar code (10) on the heated portion of the bar code surface. The carton surface portion is heated to a temperature which is above ambient temperature by an amount which is equal to about 40 % to 100 % of the difference between ambient temperature and the solidification temperature of the hot melt ink.

Procédé et appareil d'impression de codes à barres (10) sur des cartons, dans lesquels des cartons (32) sur lesquels des codes à barres (10) doivent être imprimés, sont transportés les uns à la suite des autres, dans un sens ou dans un autre, au-delà d'un dispositif de chauffage (10) qui chauffe une partie sélectionnée de la surface (42) du carton et d'une imprimante à jet d'encre thermofusible (44), qui imprime un code à barres (10) sur la partie chauffée de la surface destinée au code à barres. La partie superficielle du carton est portée à une température supérieure à la température ambiante, dans des proportions égales à environ 40 à 100 % de la différence entre la température ambiante et la température de solidification de l'encre thermofusible.

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