A METHOD FOR PRECISE ALIGNMENT OF IMPRESSIONS MADE WITH DIFFERENT INKS IN ROTARY PRINTING
First Claim
1. A method for precise alignment of impressions made by different inks in rotary printing, whereina rotary printing surface is used for printing a material,one of said different inks is used for printing alignment marks and the other for printing patterns that will be employed in further processing of the material by means of the alignment marks, andthe patterns are adhesive patterns,whereinthe different inks or areas corresponding to different inks to be aligned to each other are printed by the same rotary printing surface, such as an impression roller, an impression cylinder, a printing sleeve, or the like, wherein at least two parallel ink devices are provided in the printing unit.
1 Assignment
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Accused Products
Abstract
In a method for precise alignment of impressions made by different inks, a rotary printing surface is used for printing a material. The different inks to be aligned with respect to each other are printed on different areas of the material by the same rotary printing surface, such as an impression roller.
6 Citations
10 Claims
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1. A method for precise alignment of impressions made by different inks in rotary printing, wherein
a rotary printing surface is used for printing a material, one of said different inks is used for printing alignment marks and the other for printing patterns that will be employed in further processing of the material by means of the alignment marks, and the patterns are adhesive patterns, wherein the different inks or areas corresponding to different inks to be aligned to each other are printed by the same rotary printing surface, such as an impression roller, an impression cylinder, a printing sleeve, or the like, wherein at least two parallel ink devices are provided in the printing unit.
- 8. The method according to claim 8. wherein the same ink is supplied onto two different sections of the same rotary printing surface in the direction of the rotating axis, and the ink on one of the sections is then used for adhering a different ink onto the material.
Specification