| 摘要 |
Aerosol intended for dispensing several components for the production of a multi-component material, in particular a paste-like cosmetic material, at least comprising a dispensing assembly, a main container (1) and one or more separate auxiliary containers (2) for components to be dispensed, in which t he one or more auxiliary containers (2) are accommodated in the main container (1) and designed in such a way that they can be removed from the main container (1) together with the dispensing assembly, the dispensing assembly comprising piston pumps (5, 23; 90, 91; 110) for pumping the components to be dispensed out of the containers (1, 2) to one or more dispensing openings (33, 34; 54; 96, 98; 121), a common control part (4) being present for operating the piston pumps (5, 23; 90, 91; 110), in which the piston pumps (5, 23; 90, 91; 110) comprise a piston chamber (7, 25; 92, 66; 170) with an inlet and an outlet and a piston (8, 26, 93, 107, 117) which is movable in t he piston chamber (5, 23; 90, 91; 110), while a non-return valve is present in the inlet and the outlet of the piston chambers (7, 25; 92, 66; 170) of the pist on pumps (5, 23; 90, 91; 110), in which the non-return valve in the inlet of at least one of the piston chambers (7, 25; 92, 66; 170) of the piston pumps (5, 23; 90, 91; 110) whichare connected to the auxiliary containers (2) is i n the form of a non-return ball check valve, and in which at least one of the auxiliary containers (2) is in the form of a container with variable volume.
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