Packaging machine with sealing station for gas flushing a package

摘要

The invention relates to a packaging machine including a sealing station which is used for sealing a package comprising a trough and a cover film, and which has at least two sides, the sealing station including a sealing tool provided with at least one evacuation aperture for discharging the atmosphere and at least one gas flushing aperture for supplying a gas volume flow.

主权项

1. A packaging machine including a sealing station for sealing a package having a trough and a cover film, the sealing station comprising:
a sealing tool including:
a cavity defined at least in part by at least two side surfaces and a bottom surface, the cavity having an enclosed perimeter defined by the at least two side surfaces, the enclosed perimeter corresponding to an outer shape of the package and wherein the cavity is sized to receive the package;wherein a first side surface of the at least two side surfaces includes a first end and a second end;at least one evacuation aperture for discharging the atmosphere from the package when the package is received in said cavity, each of said at least one evacuation apertures are disposed on said first side surface proximate said first end of said first side surface, andat least one gas flushing aperture for supplying a gas volume flow into said package when the package is received in said cavity, wherein each of said at least one gas flushing apertures are disposed on said first side surface proximate said second end of said first side surface.