Package making – With contents treating – Vacuum or inert atmosphere
Patent
1988-04-21
1991-03-26
Culver, Horace M.
Package making
With contents treating
Vacuum or inert atmosphere
53 88, 53 91, 53 95, 141 63, 141 64, B65B 3102, B65B 3106
Patent
active
050018787
ABSTRACT:
An apparatus for providing a container with a controlled environment utilizes a first flow system for applying a first source of environment to the interior of the container, a second flow system for applying a second source of environment to the interior of the container, and means for controlling application of the individual sources of environment such that the first and second sources of environment are applied simultaneously for at least some period of time. The apparatus is useful, for example, in food packaging applications whereby oxygen is removed from the food containers and replaced with a substantially inert environment prior to sealing the containers. In a preferred embodiment, a rotary drum-type apparatus is employed for exposing containers in a continuous sequence to the individual sources of controlled environment.
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Sanfilippo James J.
Sanfilippo John E.
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