DEVICE FOR MOISTENING A PAPER WEB, CORRESPONDING ROTARY PRINTING PRESS AND MOISTENING METHOD

摘要

This device for applying a moistening liquid to a paper web includes a liquid applicator roller (44, 46) for applying the moistening liquid (38) on the paper web (18). The liquid applicator roller includes an application surface (60), and is characterized in that the application surface (60) is formed of a material capable of creating a corona effect on the paper web by discharge of static electricity between the surface and the paper web (18). Application to paper web dryers of rotary offset presses.