Method of making packaging container has sheet folded to form container with sealed base wall having gas reservoir

摘要

The method of making a cosmetics container involves forming a sheet of material (10) into a sleeve (20) and closing an end wall edge (S). The edge of the top (S) of the side-wall is sealed by a wall (50). The first edge of the sleeve forms the top edge and the method involves closing the base wall using a module (30) including the wall and a reservoir.