Patent ID: 6894279

Claim:
A corona discharge device adapted to be used in conjunction with a printing press, the device comprising: a cabinet housing an on-board power supply associated with a high voltage transformer; a rear end plate depending from the cabinet; a front end plate spaced apart in parallel relationship from the rear end plate and depending from the cabinet; an electrode support tube fixedly mounted to the cabinet and having a corona electrode magazine slidably mounted on the support tube in parallel relationship thereto so as to be movable parallel therewith between an operative position and an inoperative position while remaining mounted on said electrode support tube, the magazine including a series of parallel corona electrodes; a grounded treater roll rotatably mounted on a first shaft between the rear end plate and the front end plate and below the support tube; and a pair of spaced idler rolls rotatably mounted on respective second and third shafts between the rear end plate and the front end plate below the treater roll such that a flexible web is guided upwardly by the idler rolls and wound about the treater roll beneath the electrodes.