Importance

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Abstract

A method and apparatus to aseptically dispense liquid under counterpressure for filling thereof into a container. In a sterilization phase that precedes the filling, the inner surfaces of a container, the container mouth, as well as an outer surface of the container adjacent to the mouth thereof, are acted upon by a hot, pressurized, gaseous or vaporous sterilization medium. During both the sterilization and filling phases, the respective container is thereby completely disposed in a chamber in such a way that the interior of the container communicates via the mouth thereof with the interior of this chamber. The sterilization medium is introduced into the container at a distance from the mouth thereof via a filling tube that later serves for filling. At least during a portion of the sterilization phase, but also during the subsequent filling phase, the chamber is closed to the atmosphere in such a way that at least during this portion of the sterilization phase, a sterilization medium pressure that is greater than atmospheric pressure is set in the chamber, and during the filling phase the dispensing of the liquid into the respective container is effected against a counterpressure that exists within the chamber.

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First Claim