Patent ID: 6076466
Filing Date: 2000-06-20
Classification: B41F

Abstract:
A printing press, comprising:a first rotatable printing cylinder adapted to print a first image on a web by applying an ink to said web;a second rotatable printing cylinder adapted to print a second image on said web, said second image being printed on said web subsequent to said first image being printed on said web by applying an ink to said web;a drying station for drying said ink applied to said web by said first and second rotatable printing cylinders, said drying station applying heat to said web and said ink applied to said web by said first and second rotatable printing cylinders, said web being at an initial temperature when said web passes out of said drying station;a first cooling station disposed after said drying station, said first cooling station receiving said web after said web has been heated by said drying station, said first cooling station causing said initial temperature of said web to be reduced by at least about 20.degree. F. to a second temperature, said first cooling station comprising:a generator adapted to generate a directed electrostatic field through which said web passes; anda sprayer adapted to spray water droplets onto said web to cool said web, said electrostatic field causing said water droplets to pass through a confined path between said sprayer and said web; anda second cooling station for cooling said web, said second cooling station receiving said web after said web passes out of said first cooling station, said second cooling station causing said second temperature of said web to be reduced by at least about 20.degree. F., said second cooling station comprising at least one chill roll.