METHOD OF MODIFYING FREE SPACE OVER PRODUCT FOR REMOVAL VACUUM PRESSURE AND DEVICE FOR IT Russian patent published in 2013 - IPC B65B31/04 

FIELD: packaging industry.

SUBSTANCE: method is intended for filling the container with the fluid medium, and comprises introduction of the fluid medium through the open end of the container, heating the fluid medium before or after its introduction into the container, providing a seal or a lid. The latter have an opening or a window through which at least one fluid medium is supplied. Then, the opening or window is sealed under pressure with the ability to compensate the additional reduction of pressure in the free space of the container under the seal or lid when cooling the heated contents. The container used in the method comprises a seal or a lid having or made with the ability to provide an opening or window for access to the container. At that the opening or window provides during use the introduction under pressure of at least one fluid medium. Furthermore, the opening or window is additionally made with the ability of sealing under pressure during use to provide the increased internal pressure in the container. The device is intended for performing the method and use of the container. According to another version the container is intended for filling by the above described method or for use of the device. The lid for the container is intended for use in a method or in the device.

EFFECT: lowering effect of vacuum pressure.

18 cl, 85 dwg