Package making – Methods – With contents treating
Patent
1990-07-11
1991-09-03
Sipos, John
Package making
Methods
With contents treating
53440, 53469, 206205, 422 28, 422294, B65B 55028
Patent
active
050441418
ABSTRACT:
A method of sterile packaging and wetting articles within the package which involves the steps of partially filling a container with any of a number of anti-bacterial agents in liquid or semi-liquid form, then placing articles into the container, then sealing the container so that an air space is formed above the liquid within the container, then heating the container and its contents to a temperature substantially below the boiling point of the liquid, and at a pressure of about one atmosphere, until the surfaces within the container above and below the liquid level, and the entire contents of such container, are sterilized, and finally cooling the container and its contents to a temperature at or below the dew point of the air space until the surfaces within the container and above the liquid level are wetted by the condensed liquid from the air.
REFERENCES:
patent: 3720037 (1973-03-01), Jones
patent: 3725003 (1973-04-01), Moore et al.
patent: 3754368 (1973-08-01), Moore et al.
patent: 3857677 (1974-12-01), Moore et al.
patent: 3895474 (1975-07-01), Bauer
patent: 4099914 (1978-07-01), Gustafsson et al.
patent: 4797255 (1989-01-01), Hatanaka et al.
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