Described are a method and a system for the production of beverages by means of a capsule (C1, C2, C3, C4) and a container (A) adapted to house the capsule during the production. The capsule comprises a reinforcement ring (102, 202, 302, 402) which comprises a side wall (103, 203, 303, 403) and a ledge (104, 204, 304, 404) protruding from the side wall. A seal is provided between at least a portion of the side wall of the reinforcement ring and at least a portion of the inner surface (17) of the side wall (5) of the container so as to avoid the leak of the beverage from the interface between the reinforcement ring and the container.
