Connection device for sealed connection of fluid conduit or fluid container at recess of container wall of container of dishwasher, has partially circumferential protrusion formed at groove inner wall of sealing groove

摘要

The connection device (1) has a support (2) with an external thread (3), and a threaded ring that is screwed on the external thread of the support. An axial sealing groove (7) has a groove inner wall (8), a groove base (9) and a groove outer wall (10). A partially circumferential protrusion (12) is formed at the groove inner wall of the sealing groove. An inner diameter of an annular sealing element (11) is provided equal or smaller, particularly slightly smaller than diameter of the groove inner wall of the sealing groove.