Abstract: A closable pouring cap for a beverage container comprising a housing, a plunger movable in the housing and a pouring opening provided in the housing, while at its bottom side, which is placed on the container. The housing is provided with a fastener to attach the cap to the container and a duct is provided which extends from the bottom side of the housing to the pouring opening and which can be sealed by the plunger. The fastener comprises a seal made of elastic material through which the duct passes and the cap is provided with a pump connected to the duct for the withdrawal of gas present in the duct.

Abstract: An exchangeable closing and pouring cap for a container for liquids having an opening for pouring, in particular a soft drink bottle, is provided with suitable connecting threads for placing the cap on the pouring opening, an outlet in the cap for the liquid connection between the container and a pouring lip on the cap, a sealing device which is movable between a closing position and an opening position thereby closing and opening the outlet respectively. The sealing device encloses a plunger element which can be moved to and from in the outlet. The cap is also provided with an air inlet which synchronically with the outlet is also closed and opened respectively.