PROCESS FOR OPERATING A PACKAGING MACHINE
First Claim
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1. A method for operating a deep-drawing packaging machine, comprising the following steps:
- forming a packaging tray in a first film;
filling the packaging tray with foodstuff;
deforming a cover film;
feeding the packaging tray with the foodstuff and the formed cover film into a sealing station;
evacuating a space between the packaging tray and the cover film, gas-treating the space at an adjustable pressure with gas or a gas mixture; and
closing the cover film with the packaging tray to obtain a package, wherein upon subsequent venting the cover film exerts a force on the foodstuff.
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Abstract
The present invention refers to a method for packaging foodstuff, particularly pizza, comprising a formed packaging tray and a formed cover film, wherein the space provided between the films and containing the foodstuff is gas-treated, and the cover film fixes the foodstuff in the packaging container.
15 Citations
12 Claims
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1. A method for operating a deep-drawing packaging machine, comprising the following steps:
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forming a packaging tray in a first film; filling the packaging tray with foodstuff; deforming a cover film; feeding the packaging tray with the foodstuff and the formed cover film into a sealing station; evacuating a space between the packaging tray and the cover film, gas-treating the space at an adjustable pressure with gas or a gas mixture; and closing the cover film with the packaging tray to obtain a package, wherein upon subsequent venting the cover film exerts a force on the foodstuff. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A packaging machine for packaging products using a first film and a cover film, the packaging machine comprising:
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a first molding station for forming a packaging tray in the first film; an insertion area at which a product is inserted into the packaging tray; a second molding station for deforming the cover film; and a sealing station for receiving the packaging tray and the deformed cover film and for sealing together the packaging tray and the cover film with the product positioned between the packaging tray and the cover film, wherein the sealing station is configured to evacuate a space between the packaging tray and the cover film, and to gas-treat the space at an adjustable pressure with gas or a gas mixture such that the cover film exerts a force on the product. - View Dependent Claims (10, 11, 12)
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Specification