Apparatus for the treatment of a chemical product applied to surfaces of items

Apparatus for the treatment of a chemical product applied to surfaces of items, said apparatus comprising:

• a covering element defining a tunnel chamber through which said items are transported by a conveyor belt element,
• first injection means configured to supply inert gas in said tunnel chamber,
• radiation means configured for the treatment inside said tunnel chamber of said chemical product by means of radiation,
• wherein
• further comprises
• a suction chamber in fluid communication with said tunnel chamber,
• suction means fluidly connected to said suction chamber, wherein
• said suction chamber is in fluid communication with said tunnel chamber through a plurality of through ducts formed on a wall element separating said chambers,
• said wall element being arranged so that said conveyor belt element is operatively at least partially interposed between said items and said plurality of through ducts, and
• said conveyor belt element being provided with a plurality of through openings which pass through its thickness.