Abstract: A containment vessel (1) with integrated infusion capability for infusing a solid substance with a liquid. The containment vessel (1) includes a main containment body (3), a dispensing assembly (5), an infusion assembly (9), a transmission assembly (15), and an actuating assembly (17), the actuating assembly (17) being operatively connectable to the transmission assembly (15) for displacing one of inner and outer infusion components (11,13) with respect to the other via the transmission assembly (15), so as to in turn selectively operate the infusion assembly (9) between active and inactive modes, the actuating assembly (17) being manually operated and having at least one actuating component (17a), such an actuating ring (27), for example, being provided about a peripheral surface of the containment vessel (1).