Heidelberger Druckmaschinen Ag

Coatec Gesellschaft Fuer Oberflaechenveredelung Mbh

Jurgen Kern

Rainer Buschulte

Gerhard Johner

Stefan Hasenzahl

Ralf Sammeck

Dampening-unit roller for a dampening unit of a printing machine includes a roller body having an outer cylindrical surface, and a coating on the outer cylindrical surface, the coating including or consisting of an oxide of zirconium and/or an oxide of yttrium.

Dampening-unit roller of a printing machine

Apparatus for protecting the surface of freshly printed sheets which are deposited upon one another to form a sheet pile includes an applicator for applying to the respective sheets a separating-agent layer formed of solid particles of separating agent, the layer of separating agent being formed of a mixture including at least one degradable separating agent substance, an aqueous vehicle liquid, and at least one mixture component which degrades the separating agent substance upon simultaneous contact with the separating agent substance and the vehicle liquid.

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Mauer, Germany

Jurgen Kern