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    • 130. 发明专利
    • METHOD FOR STERILIZING PACKAGING MATERIAL AND APPARATUS THEREFOR
    • JPH03224469A
    • 1991-10-03
    • JP17662190
    • 1990-07-04
    • DAINIPPON PRINTING CO LTD
    • HAYASHI AKIRAKOYAMA AKIRA
    • A23L3/3445A23L3/24A61L2/22
    • PURPOSE:To enable uniform attachment of mist even when there is a little unevenness on the surface and quickly carry out sterilizing treatment of packaging material with improved sterilization effect by attaching a sterilizing agent mist to the surface of packaging material to uniformly coat with the mist. CONSTITUTION:A liquid sterilizing agent is heated at a temperature higher than the boiling point by a heating means and simultaneously completely vaporized and condensed in air to provide a sterilizing agent mist and the resultant sterilizing agent mist is attached to the surface of a packaging material. Thereby the sterilizing agent is uniformly applied to the surface of the packaging material to sterilize the packaging material. The above-mentioned sterilization is preferably carried out using a device equipped with a sterilizing agent-feeding part 10 for feeding the liquid sterilizing agent, a vaporizing part 20 provided with the heating means and simultaneously heating and vaporizing the sterilizing agent fed from the feeding part 10 at boiling point or above and jet means 30 for jetting gaseous sterilizing agent produced in the vaporizing part 20.