Tray packaging for food and method for manufacturing a shell for the tray packaging

摘要

The package has a shell (1) formed by deep-drawing, and a cover film (3) fastened on an edge (2) of the shell. The shell comprises an outer shell (4) from a tray film (5) formed by deep-drawing and an inner lining (7) with a flexible film. The outer shell and the inner lining are firmly connected at the edge of the shell and/or in an edge-near region of the shell. The outer shell comprises an aperture (8) for gas and liquid exchange, which opens into a disconnected interstice (9) between the outer shell and the inner lining. The interstice is made ethylene vinyl alcohol.