Importance

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Abstract

Provided is a purifying method capable of deodorizing a filling device in a shorter period than the conventional purifying method. The purifying method has a sterilizing step for sterilizing at least a filling device either periodically or each time when a kind of a liquid product to be filled thereby is to be changed in an aseptic filling system having the filling device configured to fill a predetermined unit filling amount of such liquid product in an individual container. The method includes an air supplying step #3 for supplying steam to the filling device which has been emptied of the liquid product, prior to or simultaneously with the sterilizing step #5 and a liquid supplying step #4 for supplying, after the air supplying step #3, a rinsing solution or a new liquid product after product change to the filling device.

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First Claim