HOUDER MET TENMINSTE DRIE KAMERS

摘要

A receptacle for storing and subsequently mixing at least three ingredients of a product such as a dental preparation. The receptacle comprises a first chamber at one side of a perforated dividing wall, and a second and at least a third chamber at the other side of the dividing wall. A collapsible capsule adapted to form at least one of the second and third chambers comprises metal foil or compound material composed of metal foil and plastic film. A method of making such capsule includes deep-drawing and cold welding steps.