Two-chamber pressure filling apparatus and manufacturing method thereof

摘要

In a method of making a two-chamber pressurised package with an outer body which surrounds a pressurisable interior space and forms an opening, an inner body made of a material which forms folds or can be crumpled is inserted through this opening. Before flanging the opening or the like, filling the inner body and fitting a valve in the region of the mouth, the outer body and the inner body are connected to one another in a predetermined area and then folded over together to form a flanged rim. …IMAGE…