Two-component packaging unit

For two to be stored separately, to be mixed before use substances, in particular for a liquid and powdery substance, a packaging unit is proposed, which consists of: - A first bottle-like container (1) with a shoulder (2) and a neck-like drawn-opening portion (3) for the liquid substance, - A second, in the neck-like drawn-opening portion (3) of the first container (1) arranged in containers (4) for the powdery substance and - An opening portion overarching cap (5). In such a packing unit, the invention provides that - The opening area (3) end a screw thread (6) and between the screw thread (6) and the shoulder portion (2) has a cylindrical constriction (7), - The second container (4) comprises a pot-like lower part (8), a bead-like thickened central part (9), a cylindrical upper part (10) with two or more axially extending recesses (11) and a cup-like cover (12), the in the second container (4) can be clamped and the flange-like extensions (13), with which it invests the recesses (11) of the upper part (10) across at the upper side of the constriction (7), - The closure cap (5) of an outer cylinder (14) with internal screw thread (15) and an integrally formed thereon the inner cylinder (16) with a closed bottom portion (17), the inner cylinder (16) in the ...