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US 2005/0233240 A1Published application
Printed flexible packing material
AssigneeAlcan Technology & Management Ltd.
InventorsKarolina Rosenberger, Fabian Bönsch
Life of this patent
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Abstract
A flexible packaging material, especially a seal and/or packing material which can be sterilized, having a single film or a film composite with a single or double-print motif. The packing material contains a partially or fully transparent, heat-resistant cover layer applied to at least the print motif by an electro-photographic method. The cover layers are produced from an ultraviolet radiation or electron radiation hardening toner.
Claims26
A method for continuously manufacturing a flexible packaging material made of one of a single film and a film composite, the method comprising the steps of:
- continuously printing on at least one side of the film with an electrophotographic process using a toner;
- applying a coating layer at least over the print by means of an electrophotographic process using one of a UV and EP hardening toner;
- and curing the coating layer in a hardening station to form a translucent or completely transparent coating layer, using one of ultraviolet or electron radiation.
Dependencies are inferred from the claim text.