Package making – Methods – Sterilizing cover only
Patent
1998-08-28
2000-05-09
Moon, Daniel B.
Package making
Methods
Sterilizing cover only
53167, B65B 5504
Patent
active
060586788
ABSTRACT:
An infeed sterilizer for a packaging machine that allows for the entire sterilization of an erected carton blank prior to bottom forming. The infeed sterilizer includes a nip roller, a carousel, sterilization means and a sterilization chamber. The carousel has a plurality of carriers for temporarily holding a plurality of erected carton blanks wherein each erected carton blank has both the top and bottom ends open and unfolded or sealed. The sterilization means may be hydrogen peroxide, ultraviolet energy, hot air, electron beams, any combination thereof. The sterilization chamber may be pressurized with sterile air to reduce contamination/recontamination of the erected carton blanks. The sterilized cartons may be transferred to a form and fill carousel disposed above the infeed sterilizer for bottom forming and filling.
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Moon Daniel B.
Tetra Laval Holdings & Finance SA
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