Package making – Methods – With contents treating
Patent
1996-06-26
2000-03-07
Hail, III, Joseph J.
Package making
Methods
With contents treating
53510, 141 4, 141 70, 141129, 141286, B65B 3102
Patent
active
060324384
ABSTRACT:
A controlled environment gassing system is provided for removing the existing environment from containers. The existing environment may be purged by passing the containers along a gas distribution manifold disposed parallel to the direction of travel of the containers. The manifold includes at least one region of flow resistance disposed parallel to the direction of travel, and the manifold may have a width less than the width of the container and/or screen openings sized to provide a laminarized flow, for supplying a controlled environment gas flushing stream continuously and at substantially steady state to the containers. As the containers pass along the manifold, the controlled environment flushing gas creates an optimal flow pattern which consistently and steadily removes the existing environment from the containers while preventing the flushing gas from drawing in air. Return gas chambers are provided to retrieve the gasses exiting the container as they are purged. Sidewalls may be provided along longitudinal sides of the chamber to increase system efficiency.
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Sanfilippo James J.
Sanfilippo John E.
Hail III Joseph J.
Tolan Ed
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