US Patent 6913389 Metallic laminated gusseted insulated bag

A metallic laminated gusseted insulated bag includes a front and rear wall each having two lateral edges, a top edge, and a bottom edge; first and second side walls; a bottom member; and a means for hermetically closing the bag; wherein the front and rear walls are joined along their respective lateral edges to the first and second side walls; either or both of the side walls and bottom member are gusseted; and the front and rear walls are joined along their respective bottom edges to the bottom member; and the front and rear walls each include an outer ply including a metallic foil or metallic coated web, and an inner ply having an inner and outer surface, including a thermal insulating layer; the metallic foil or metallic coated web being adhered to the outer surface of the inner ply.