Apparatus and method for providing sterilization zones in an aseptic packaging sterilization tunnel

CAFC
  • US 6,475,435 B1
  • Filed: 06/11/1999
  • Issued: 11/05/2002
  • Est. Priority Date: 02/02/1999
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising:

  • a sterilization tunnel for surrounding a plurality of containers with pressurized gas; and

    a plurality of zones within the sterilization tunnel having different sterilant concentration levels therein wherein the sterilant concentration levels in the plurality of zones are maintained at a ratio of at least about 5 to 1.

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