Method and apparatus for sterilizing bottle
AssigneeDai Nippon Printing Co., Ltd.
InventorsAtsushi Hayakawa, Yuiko Wada
Life of this patent
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Abstract
A method of sterilizing a bottle includes steps of: sterilizing bacteria adhering to a preform made of resin by gasifying a sterilizer, discharging a sterilized gas from a nozzle toward a preform, now traveling, so as to adhere to the preform; activating the sterilizer adhering to the preform by blasting hot air to the preform; sterilizing the bacteria adhering to the preform, and removing the sterilizer adhering to the preform; heating the preform to a temperature suitable for blow-molding treatment; and blow-molding the preform within a mold to mold the preform into a bottle, wherein the above steps are performed sequentially in order. According to the above-mentioned steps, the sterilizer does not enter a blow-molding machine.
Claims9
A method of sterilizing a bottle, comprising the steps of:
- sterilizing a preform made of resin having bacteria adhering to the preform by gasifying a sterilizer, discharging a sterilized gas toward the preform in a chamber having a pressure that is lower than atmospheric pressure, now traveling, so as to adhere to the preform by discharging the sterilizer from a nozzle;
- activating the sterilizer adhering to the preform by blasting hot air to the preform;
- sterilizing the bacteria adhering to the preform and removing the sterilizer adhering to the preform;
- heating the preform to a temperature suitable for blow-molding treatment;
- and
- blow-molding the preform within a mold to mold the preform into the bottle,
- wherein the above-mentioned steps are performed subsequently in order.
Dependencies are inferred from the claim text.