Airbag device for motor vehicles

A method of sewing a gas bag which has a main piece with opposite end portions, each of the end portions having a end contour, and two minor pieces which each have an connecting portion with a contour with corresponds to the end contour of the main piece, and which each have a filling portion, the two filling portions having similar shapes and similar dimensions, the method comprising the following steps:

• the two minor pieces being sewn with their connecting pieces to the end portions of the main piece, a first of the minor pieces being sewn to a first surface of the main piece while the second minor piece is being sewn to a second surface of the main piece,
• the main piece being folded along its center line such that the first minor piece is inserted into a pocket between the second minor piece and the main piece and the minor pieces lie one on top of the other,
• the minor pieces piece being folded along a line running through the end of the seams formed along the outer contour of the end portions of the main piece such that their filling portions form an extension of the main piece,
• seams being formed along the outer edges of the main piece and along the edges of the connecting portions of the minor pieces.