A method and apparatus is disclosed providing a plurality of sterile zones within a sterilization tunnel in an aseptic packaging apparatus. The sterile zones provide a plurality of sterilant concentration levels within the sterilization tunnel. Additionally, the sterile zones provide a plurality of gas...http://www.google.es/patents/US6475435?utm_source=gb-gplus-sharePatente US6475435 - Apparatus and method for providing sterilization zones in an aseptic packaging sterilization tunnel
Apparatus and method for providing sterilization zones in an aseptic ...
