Inserts for attaching a reservoir to a static mixer

Static mixer, which is scheduled to join a dispensing cartridge or a dispensing apparatus for several components, comprising - a static mixing element (3), - a mixer housing (2), - an insert (4 ) and - a coupling element (5), wherein the mixing element (3) is arranged within the mixer housing (2) and the insert (4) in the coupling element (5), the element coupling (5) it is provided for fixing the mixer to the dispensing cartridge or dispensing apparatus, and the insert (4) has a first channel (30) for a first component and a second channel (40) for a second component, wherein the first channel (30) covers the insert (4) separately from the second channel (40), and wherein a first inlet port (31) opening into the first channel (30) is provided, and a second inlet port (41) opening into the can Gundo channel (40), and wherein it is at least provided coding means (16, 60, 61, 62, 65), through which can be carried out a correct positioning of the insert (4) on the apparatus distribution or dispensing cartridge, wherein the mixing element (3), the mixer housing (2), the insert (4) and the coupling element (5) are formed as individual parts, the insert (4 ) has a first connecting element (24), which is determined to accommodate the mixer housing (2) and has a positioning element (28, 29, 50) to guide the insert (4) with respect to the mixer housing (2), such that the mixer housing (2) can only be arranged in a permissible position relative to the insert (4).