Image-transfer process

B - Operations – Transporting – 41 – M

Patent

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Details

B41M 3/12 (2006.01) B41F 19/06 (2006.01) B41M 3/00 (2006.01) B41M 3/14 (2006.01) B44C 1/17 (2006.01)

Patent

CA 2190113

Decorative and/or security media particles, in liquid or solid form, are transferred without the use of heat or high pressures to a substrate by first printing a plurality of discrete raised semi-rigidized sharp-edged adhesive images onto thesurface of the substrate, using some form of radiation to render the adhesive tacky, and then bringing particles of the media into contact with the surface of the tacky images whereby the media particles are permanently retained by the images on thesubstrate. Alternatively, the media particles may be part of the adhesive composition.

Des particules décoratives et/ou de sécurité, sous forme liquide ou solide, sont transférées sur un substrat (1), sans l'application de chaleur ou d'une pression élevée, d'abord en utilisant un précurseur d'adhésif pour imprimer sur la suface du substrat une pluralité d'images individuelles (8) rendues semi-rigides et en relief, avec des bords nets. Ces images sont rendues adhésives par exposition à des radiations appropriées (9). Les surfaces des images adhésives sont ensuite mises en contact avec les particules en question, qui sont alors retenues d'une manière permanente par les images du substrat. Les particules peuvent également faire partie de la composition adhésive.

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