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(11) | EP 1 884 360 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Printing unit for decorating a web material and pack of decorated web material |
(57) There is described a printing unit for decorating a continuous web material, comprising
a plurality of plate rollers (11A-11 D) disposed in series along a path of the web
material, so that said web material is decorated with a print obtained by the combination
of designs printed by said plate rollers. At least some of the plate rollers have
print plates with print extensions of different lengths from one another, equal to
multiples of a predetermined longitudinal dimension and each of the plates has a plurality
of designs of a length equal to said longitudinal dimension. Each print plate is provided
with at least one series of designs different from one another and the designs of
the plates differ from one another at least in part.
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