Diffuser for an air bag

A box shaped diffuser in an air bag cushion, comprising:

• a first edge, a second edge, a third edge, and a fourth edge, said first, second, third and fourth edges defining corners;
• a first fold line approximately bisecting said first edge and said second edge, defining a left section and a right section of said first edge and a left section and a right section of said second edge;
• a second fold line approximately bisecting said third edge and said fourth edge, defining an upper section and a lower section of said third edge and an upper section and a lower section of said fourth edge;
• a diagonal fold at each of said corners, said diagonal fold being sealed with a corner seam;
• an opening formed at said corner seams by scaling said left section and said right section of said first edge to one another with a first seam, said left section and said right section of said second edge to one another with a second seam, said upper section and said lower section of said third edge to one another with a third seam, and said upper section and said lower section of said fourth edge to one another with a fourth seam;
• and
• one or more vents positioned on the diffuser, said opening being positionable to receive an inflation gas and said one or more vents being in fluid communication with the air bag cushion.

A method for making a diffuser for an inflatable cushion of an airbag module, comprising:

• providing a rectangular sheet or flexible material, said rectangular sheet comprising a plurality of vent openings, four edges and four corners;
• dividing each of said four edges into a pair of sections;
• folding and sealing each of said four corners onto said rectangular sheet to define four opening edges;
• and
• folding and sealing each of said pair of sections to each other to define an opening, said opening having a periphery defined by said four opening edges.