Patent ID: 8272510

Claim:
An inflatable structure for use in packaging comprising: at least one flexible film defining first and second film layers and defining an enclosed chamber; at least one one-way valve defined at least in part by the flexible film for receiving pressurized air directed generally in a first direction and thereby inflating the enclosed chamber, wherein the one-way valve comprises an internal edge portion formed by a fold in the flexible film positioned inside the enclosed chamber and spaced from an external valve opening that is defined at least in part by outer edge portions of the first and second layers of the flexible film, wherein the one-way valve is bounded at least in part by the internal edge portion and the outer edge portions, and further wherein the outer edge portions of the first and second layers of the flexible film are formed by folding the flexible film in the first direction such that the outer edge portions extend in a second direction substantially transverse with the first direction.