Closure device for a container, in particular for a carton package wherein the closure device comprises a basic member, wherein the basic member comprises a pouring channel extending along a closure axis and having an inlet opening and a pouring opening, wherein the closure device comprises a closure cap, the closure cap having a cap cover and a cap skirt which adjoins the cap cover on the periphery and extends axially, wherein the closure cap and the basic member are configured in such a way that the closure cap closes the pouring opening in a closed position of the closure cap and releases it in an open position of the closure cap, wherein the closure device comprises an anchor ring and a connecting element, wherein the connecting element connects the anchor ring to the closure cap in a tension-proof manner, wherein the anchor ring is in engagement with the basic member both in the closed position of the closure cap and in the open position of the closure cap such that the closure cap is also tethered to the basic member with the connecting element and the anchor ring in the open position of the closure cap, wherein the connecting element has a connecting web extending between a first end portion and a second end portion, wherein the first end portion of the connecting web is connected to the anchor ring, wherein the second end portion of the connecting web is connected to the anchor ring, wherein the closure device is configured such that the connecting web is axially movable relative to the anchor ring, wherein the closure cap has a first guiding means, wherein the basic member has a second guiding means, wherein the first guiding means and the second guiding means can be disengaged in order to open the closure device, wherein the first guiding means and the second guiding means can be brought into engagement with one another in order to close the closure device, wherein the first and second guiding means (14, 15) are configured such that an opening rotational movement of the closure cap in the circumferential direction relative to the basic member is necessary for disengagement of the first and second guiding means (14, 15), characterised in that the connecting element has a guide element, wherein the guide element can be brought into engagement with the second guiding means in such a way that the opening rotary movement of the closure cap causes a movement of the connecting web relative to the anchor ring with an axial movement component in the direction of the pouring opening. wherein the closure device comprises a basic member, wherein the basic member comprises a pouring channel extending along a closure axis and having an inlet opening and a pouring opening, wherein the closure device comprises a closure cap, the closure cap having a cap cover and a cap skirt which adjoins the cap cover on the periphery and extends axially, wherein the closure cap and the basic member are configured in such a way that the closure cap closes the pouring opening in a closed position of the closure cap and releases it in an open position of the closure cap, wherein the closure device comprises an anchor ring and a connecting element, wherein the connecting element connects the anchor ring to the closure cap in a tension-proof manner, wherein the anchor ring is in engagement with the basic member both in the closed position of the closure cap and in the open position of the closure cap such that the closure cap is also tethered to the basic member with the connecting element and the anchor ring in the open position of the closure cap, wherein the connecting element has a connecting web extending between a first end portion and a second end portion, wherein the first end portion of the connecting web is connected to the anchor ring, wherein the second end portion of the connecting web is connected to the anchor ring, wherein the closure device is configured such that the connecting web is axially movable relative to the anchor ring, wherein the closure cap has a first guiding means, wherein the basic member has a second guiding means, wherein the first guiding means and the second guiding means can be disengaged in order to open the closure device, wherein the first guiding means and the second guiding means can be brought into engagement with one another in order to close the closure device, wherein the first and second guiding means (14, 15) are configured such that an opening rotational movement of the closure cap in the circumferential direction relative to the basic member is necessary for disengagement of the first and second guiding means (14, 15), characterised in that the connecting element has a guide element, wherein the guide element can be brought into engagement with the second guiding means in such a way that the opening rotary movement of the closure cap causes a movement of the connecting web relative to the anchor ring with an axial movement component in the direction of the pouring opening.