Refilling system for receptacles with closeable openings with inner and outer thread has mechanical connection between filled and filling receptacles

摘要

A first receptacle (1) containing and dispensing a first material or liquid (2) such as cosmetic or shampoo is refilled after a set time-lapse and has a first closeable opening (3) with inner thread (7) onto which is screwed the outer thread (8) of the second receptacle (4) from which the refill material or liquid is dispensed.. During the refilling process, a mechanical connection (5) occurs between the openings (3,6) of the second and first receptacles.