FIELD: transportation, packaging and storage of goods or materials.
SUBSTANCE: airtight container indicated is provided with a beverage container and a cap. Beverage container has a body part and a flange. Flange is made continuously with the upper part of the body and forms a hole. Cap is attached to a beverage container for sealing the opening. Cap has a substrate and outer body. Substrate has a thin substrate portion for sealing the lower side portion of the flange and a thick substrate portion for sealing the upper side portion of the flange. Outer body is attached to the flange to cover the substrate from the outside for sealing the opening along with the substrate. Outer body presses the thin portion of the substrate to the lower side portion of the flange and brings the thin portion of the substrate into close contact with it.
EFFECT: airtight container for a pressurized beverage having a cap that can enhance airtightness is disclosed.
6 cl, 10 dwg
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