Drying equipment with false air treatment for printing machines

摘要

A ventilation and drying equipment for printing machines, which comprises ovens suitable to dry solvent on a printed support travelling therethrough comprising passages where false air can enter the oven from the outside. Each printing unit comprises at least one false air suppression device which covers at least one of said passages and which is maintained at a pressure lower than the air pressure inside said oven, so as to prevent said false air from entering said oven through said at least one passage. Each false air suppression device is connected with a common recirculation duct in order to share the false air coming from each printing unit on the whole press.