Patent ID: 8066850

Claim:
An apparatus to produce coated paper, cardboard or other fibrous webs with at least one thermo-sensitive layer as a functional layer through the application of at least one liquid or paste-like thermo-sensitive coating medium onto a carrier web, the apparatus comprising: a first unit; and a second unit, both said first unit and said second unit being configured to form a functional layer on the carrier web, said first unit and said second unit each including: at least one applicator device; and a drying section following said applicator device; a web turning device, said first unit and said second unit being installed in series whereby each form at least one functional layer, said web turning device being located in a merging area between said first unit and said second unit, when the carrier web passes through said web turning device the carrier web defines a first web path; and a bypass device to bypass said web turning device defining a second web path for the carrier web between said first unit and said second unit.