Abstract: A liquid container includes a first storage level configured to store the liquid, a second level of pressurization configured to receive a gas in order to keep the first level under pressure. The first and second levels can be stored flat when empty of carbonated liquid and gas. The container further includes an envelope configured to maintain the first and second levels in a maximum volume, the envelope being configured to be stored flat with a thickness of less than 5 cm.

Abstract: A liquid container includes a first storage level for the liquid, and a second level of pressurization for a gas. The first and second levels can be stored flat when empty. The first level and/or the second level has a first and/or a second non-return connection part, including: a first fitting body, a first base, a non-waterproof first stop to limit the movement of the first one, a first waterproof shoulder to limit the movement of the first base and to prevent fluid backflow, and a first connector configured to connect to a third connection part of a fluid injection and/or extraction system.

Abstract: A liquid container includes a first storage level configured to store the liquid, a second level of pressurization configured to receive a gas in order to keep the first level under pressure. The first and second levels can be stored flat when empty of carbonated liquid and gas. The container further includes an envelope configured to maintain the first and second levels in a maximum volume, the envelope being configured to be stored flat with a thickness of less than 5 cm.

Abstract: A liquid container includes a first storage level for the liquid, and a second level of pressurization for a gas. The first and second levels can be stored flat when empty. The first level and/or the second level has a first and/or a second non-return connection part, including: a first fitting body, a first base, a non-waterproof first stop to limit the movement of the first one, a first waterproof shoulder to limit the movement of the first base and to prevent fluid backflow, and a first connector configured to connect to a third connection part of a fluid injection and/or extraction system.