BigPatents India

A method for forming a flexible container for combined storage and administration, the method comprising the steps of: providing a flexible front sheet; providing a flexible rear sheet (14) the front and rear sheets sealed together at a common peripheral edge heating the front and rear sheets in a first localized area to fuse together the heated portions of the adjoining surfaces, thereby forming a first peelable seal extending between two sides of the common peripheral edge (16), the first peelable seal separably joining the front and rear sheets to thereby form a first compartment for containing a first product; heating the front and rear sheets in a second localized area to fuse together the heated portions of the adjoining surfaces, thereby froming a second peelable seal extending between the two sides of the common peripheral edge, the second peelable seal separably joining the front and rear sheets to thereby form an outlet compartment and a second compartment for containing a second product, the second compartment being between the outlet compartment adn the first compartment; characterized by providing first and second sacrificial ports interposed between the front and rear sheets and in communication with the first and second compartments respectively; filling the first compartment with a first product through a respective sacrificial port; and completing the seal along the common peripheral edge and removing the sacrificial ports from the container.