PACKAGING SYSTEM AND METHOD Russian patent published in 2013 - IPC A23L3/02 B65B31/02 

FIELD: food industry.

SUBSTANCE: invention relates to a device and a method for packaging food products or other substances containing a liquid into a rigid vessel sealed with a flexible cover. A desirable quantity of the material subject to packaging and containing water or another liquid is placed into the vessel; the flexible cover is mounted on the vessel body so that to leave at least one unclosed hole; the flexible cover mounting onto the vessel involves the flexible cover attachment to the more rigid cover rim and the rim attachment to the vessel body; at least one unclosed hole is formed by means of at least one section whereat the cover is not attached to the rim. Then the vessel is heated and/or placed under reduced pressure conditions for the liquid conditioning to a temperature higher than its boiling point to force or allow steam produced by way of the liquid boiling to displace other gases from the vessel through the unclosed hole, the vessel sealed when gas or steam still continues to be discharged from the vessel through the unclosed hole. The vessel sealing envisages the flexible cover attachment to the whole of the rim.

EFFECT: invention ensures all the desirable organoleptic properties preservation with preserved food products.

22 cl, 6 dwg