Trinkaufsatz für ein Trinkgefäss und Trinkgefäss mit einem solchen Aufsatz

A drinking attachment (10) for drinking vessels (12), comprising a funnel-like circumferential drinking rim (14), which is open towards the drinking vessel (12), having a fastening section (16) for fastening the drinking attachment (10) to an edge region of the drinking vessel surrounding an opening of the drinking vessel (12), and a bowl-shaped elastic sealing disc (20), which can be inserted into the drinking rim (14) for sealing the drinking rim (14), the sealing disc (20) abutting circumferentially against the drinking rim (14) in the region of the end of the drinking rim (19, which is free in the intended mounting state of the drinking attachment (10) on a drinking vessel (12), while forming an interstice (22), which is open towards the drinking vessel (12), and being designed in such a way that it can be partially lifted from the drinking rim (14) by a suction action of a user of the drinking attachment (10), in order to open a passage to the interstice (22), the sealing disc (20) having in the region of its bottom an outwardly projecting circumferential flange (26), which is designed to come to rest on the edge surrounding the opening of the drinking vessel (12), the drinking rim (14) being provided with a clamping flange (32) projecting towards the sealing disc for clamping the flange (26) of the sealing disc (20) against the edge of the opening of the drinking vessel (12) upon fastening the drinking attachment (10) on a drinking vessel (12), wherein the flange (26) of the sealing disc (20) is provided with a number of openings (28) to the interstice (22) and wherein the clamping flange (32) ends in front of the openings (28) provided in the flange (26) of the sealing disc (20).