Patent ID: 6638476
Filing Date: 2003-10-28
Classification: B65B

Abstract:
A unit for sterilizing strip packaging material for a pourable food product packaging machine, comprising:a sterilizing chamber for containing a liquid sterilizing agent, and along which said packaging material is fed; a control circuit for controlling said sterilizing agent, and in turn comprising a collecting tank, input means for feeding said sterilizing agent from said tank to said chamber, and drain means for draining said sterilizing agent from said chamber into said tank; control means for controlling the temperature in said chamber; and preheating means for preheating said sterilizing agent in said tank, and which may be activated prior to feeding said sterilizing agent from said tank into said chamber; wherein said preheating means for preheating said sterilizing agent may be activated independently of said control means for controlling the temperature in said chamber to bring said sterilizing agent to a temperature at least equal to that of said chamber before the sterilizing agent is fed into the chamber.