Method and unit for sterilizing packaging sheet material for manufacturing sealed pagages of pourable food products

摘要

The invention is directed to a method and unit (3) for sterilizing sheet packaging material (2) for producing sealed packages of pourable food products. The method includes the step of directing on to opposite faces (2a, 2b) of the packaging material (2) respective low-voltage electron beams, each having an energy of at most 100 KeV.