Method of printing on linerless labels

Details Method of printing on linerless labels Method of printing on linerless labels

B - Operations, Transporting

41

M

B41M 5/40 (2006.01) B41J 2/325 (2006.01) B41M 5/26 (2006.01) B41M 5/42 (2006.01)

Patent

CA 2219534

A method of printing on a release layer of linerless label material including the step of advancing linerless label material and a thermal transfer ribbon coated with ink through a thermal printer. The ribbon is moved over a heated transfer element of the printer. The heated transfer element is located on an edge or on a corner of an edge of the thermal printer. The ribbon is then heated to cause the ink to reach a molten or fluid state. The ink transfers in its molten or fluid state to the release layer of the linerless label material. Certain wax/resin and resin based thermal transfer ribbons and silicone release coatings have been found to be particularly effective for increasing the ink transfer and anchorage during corner edge and true edge printing on linerless label material.

L'invention concerne un procédé d'impression sur la couche anti-adhésive d'un matériau pour étiquettes sans support pelliculaire, consistant à faire passer dans une thermo-imprimante ledit matériau et un ruban de transfert thermique revêtu d'encre. Le ruban se déplace sur un élément de transfert chauffé de la thermo-imprimante. L'élément de transfert chauffé se trouve sur un bord ou un bord angulaire de la thermo-imprimante. Le ruban est ensuite chauffé de manière à ce que l'encre soit à l'état fondu ou fluide. L'encre se transfère à l'état fondu ou fluide à la couche anti-adhésive du matériau pour étiquettes sans support pelliculaire. Certains rubans de transfert thermique en paraffine/résine et à base de résine et des revêtements silicone anti-adhésifs s'avèrent particulièrement efficaces pour augmenter le transfert et la fixation de l'encre pendant l'impression du bord angulaire et du bord rectiligne sur le matériau pour étiquettes sans support pelliculaire.

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