In an offline machine, the web is made infinite with the help of a special adhesive tape using the so-called “flying splice”. Here, the bonding process takes place in the millisecond range by pressing a rotating, rubberized roller onto the full material roll. The material tears even if a very minor disturbance occurs. The web edges are often obviously inadequately bonded. An increase of the pressing force, especially in the region of the edges, was required in order to create a higher line pressure there, as well as a sufficient line pressure in the center of the web. However, since the roller had to retain its cylindrical shape, a novel rubber-coated structure was developed.
Here an article published about a lectures within the "27th PTS Coating Symposium 2015" and a presentation about the concept.
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