Patent ID: 8128859
Filing Date: 2012-03-06
Classification: A61B,B29C,B29L,B31B,B65D

Abstract:
1. A method for forming a cavity in a pouch having three sealed sides, comprising: A. providing a pouch comprising two sheets aligned and sealed along three sides such that the pouch has an unsealed side and an opening into an interior cavity; B. providing an apparatus comprising C. placing the pouch over the tongue member, such that a section of the tongue is contained within the interior of the pouch; D. moving the top and bottom plate members toward each other such that the die contacts the top of the pouch and the bottom plate member contacts the bottom of the pouch against the bottom and top surfaces of the tongue member, respectively; E. causing a pressurized fluid to move into the fluid passage of the tongue member and out through the opening, thereby causing a section of the top sheet of the pouch to be forced into the cavity of the die, thereby forming a cavity in the top sheet of the pouch. F. moving the top and bottom plate members away from the tongue member; and, G. removing the pouch having a formed cavity from the tongue member.