VENTILATED CONTAINER CLOSURE Russian patent published in 2017 - IPC B65D51/16 B65D53/04 B65D41/04 

FIELD: package and storage.

SUBSTANCE: container closure comprises annular area 18 making bearing surface 36, against which with gas-permeable, liquid-impermeable sealing element can be applied for sealing element supply into sealing engagement with container opening rim. Annular area contains gas passage (34) from inner space 20, opposite to container opening, to annular area external part. Gas passage can have closed cross-section extending along annular area. Alternatively, gas passage can have open-sided cross-section and can be provided on bearing surface. Alternatively, annular area 18 can also contain gasket (28) with gas passage, provided, at least, partially in gasket and/or, at least, partially in annular area remaining part. Also disclosed is closure sealing element containing sealing foil for connection with container rim, which contains gas-permeable, but liquid-impermeable layer and material capable to welding along rim around container opening by induction heating.

EFFECT: disclosed is container closure, which makes it possible to vent container and closure combination.

25 cl, 27 dwg