Sterilization process transition method, product filling apparatus, and method and apparatus of cleaning and sterilizing the product filling apparatus
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United States of America Patent
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Apr 14, 2020
Grant Date -
Nov 22, 2018
app pub date -
Dec 22, 2016
filing date -
Dec 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A sterilization process transition method of switching from an SIP process to a product sterilization process in an apparatus including piping that feeds a product into a filling machine through a heating sterilization part. The process sterilizes the piping before a filling operation, and the product sterilization process sterilizes the product to be filled. An F value is calculated from temperature and flowrate data on a fluid flowing in the heating sterilization part that are obtained from temperature sensors and flowmeters disposed in the product filling apparatus at predetermined time intervals. The temperature and flowrate at two or more predetermined positions in the product filling apparatus are adjusted from a set temperature and a set flowrate for the SIP process to a set temperature and a set flowrate for the product sterilization process while preventing the F value from becoming lower than a predetermined value.
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