Product replacement unit for a base stick module for a cosmetic stick and set of such a product replacement unit and a number of base stick modules

摘要

A replacement housing (5) has a reservoir (6) where product is present in the form cream, liquid or paste. An applicator is in fluid connection with the reservoir. A piston (9) is guided for movement in the housing to feed the product to the applicator. A piston connecting component (12) cooperates with the push rod connecting component (13) of a piston push rod (11) to extend the piston. The rod establishes a push connection with the piston. The rod is a part of a feed device on the base stick module and is positioned on the side of the piston remote from the product. An independent claim is included for the set.