Process for the production of a packaging receiving a sterile li

Details Process for the production of a packaging receiving a sterile li Process for the production of a packaging receiving a sterile li

1976-01-23

1977-09-06

Spruill, Robert Louis

Package making

Interrelated or safety controls

21 2, 53 28, B65B 3102, B65B 5506, B65B 5510

Patent

active

040459390

ABSTRACT:
A method for the production of a pack in an enclosure containing a sterile liquid comprises a sterilization step and a pack forming and filling step. The sterilization step comprises sterilizing the enclosure by means of hot water under pressure, replacing the hot water by sterile cold water to cool the enclosure to ambient temperature, discharging the sterile water from the enclosure, drying the enclosure by continuously blowing warm compressed sterile air into the enclosure, and the pack forming and filling step comprises feeding a web of pack-forming material through the enclosure, forming the web into a longitudinally open tube as it is fed through the enclosure, sealing the open tube longitudinally and transversely and filling the sealed tube with the sterile liquid.

REFERENCES:
patent: 2918770 (1959-12-01), Stocker
patent: 3086336 (1963-04-01), Rausing et al.
patent: 3947249 (1976-03-01), Egger

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