Method for the gastight packaging of objects using a film material fitting tightly on the objects and a device for the gastight packaging of objects
In the case of a method for the gastight packaging of objects using a film material fitting tightly on the objects using a vacuum, the object being placed in a tray and a deep-drawable film being attached to the tray for sealing, it is provided that a tray having at least one peripheral rim is used to form the packaging, the deep-drawable film is cut to the size of the peripheral rim, and that the deep-drawable film is subsequently and/or simultaneously applied to the peripheral rim in a gastight manner. A device preferably for carrying out this method has at least one cutting device for the deep-drawable film.
1. A device for the gastight packaging of objects using a film material fitting tightly on the objects using a vacuum, the device comprising:
a supporting surface for at least one tray, the at least one tray having a peripheral rim;
a cutting device for cutting a deep-drawable film to form a film portion having a size smaller than the peripheral rim of the tray;
a sealing tool for applying the film portion to the peripheral rim;
a spacer plate placed on the peripheral rim between the tray and the deep-drawable film, the spacer plate having an opening therethrough, the opening being smaller than the peripheral rim and corresponding to the size of the film portion; and
a stop for keeping the cutting device at a distance from the peripheral rim, wherein the cutting device is spatially assigned to the sealing tool and moves around the sealing tool.
2. The device as recited in claim 1 , wherein the cutting device includes knife blades.
3. The device as recited in claim 1 , wherein at least one of the supporting surface for the tray and the sealing tool is designed to be height-adjustable.
4. The device as recited in claim 3 , wherein the supporting surface has at least one supporting apparatus for the peripheral rim of the tray.
5. The device as recited in claim 1 , wherein the sealing tool has dimensions corresponding to those of the opening in the spacer plate.
6. The device as recited in claim 5 , wherein a cutting device assigned to the sealing tool may be moved past an edge of the opening of the spacer plate at a close distance.
7. The device as recited in claim 6 , wherein the cutting tool is decoupled from the sealing tool and is spring-suspended.
8. The device as recited in claim 1 , wherein at least one overpressure line runs through the sealing tool.