Patent ID: 6996951
Filing Date: 2006-02-14
Classification: A61J,A61M,B29C,B29K,B29L,B31B,B32B,B65D,C08L

Abstract:
1. A method for forming a flexible container, the method comprising the steps of: providing a flexible, transparent front sheet; providing a flexible, vapor impermeable rear sheet; heating the front and rear sheets in a first localized area to fuse together the heated portions of the adjoining surfaces, thereby forming a permanent seal around a portion of a common peripheral edge of said front and rear sheets, the permanent seal having at least one gap having an opening spaced from the permanent seal for providing a channel between said front and rear sheets; and providing at least one sacrificial port interposed between the front and rear sheets and in communication with the channel for aseptically filling the container, the at least one sacrificial port attached to the front and rear sheets by a second seal at the opening of the at least one gap.