Airbag device for motor vehicles

摘要

The invention relates to a gas bag for vehicles, having a flat, two-dimensional shape when being in an uninflated, vented condition and a three-dimensional shape in an inflated condition, the gas bag having a main piece with opposite end portions, each of the end portions having an end contour, and two minor pieces which each have a 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 invention also relates to a method of sewing this gas bag.

主权项

1. A gas bag for vehicles, having a flat, two-dimensional shape when being in an uninflated, vented condition and a three-dimensional shape in an inflated condition, the gas bag having a main piece extending lengthwise along a centerline and including end portions at opposite ends of the main piece along the centerline, each of the end portions having an end contour, and two minor pieces which each have a connecting portion with a contour that corresponds to the end contour of the main piece, and which each have a filling portion, the two filling portions having corresponding shapes and dimensions, wherein the minor pieces are connected to the main piece such that the minor pieces traverse the centerline of the main piece, wherein one of the minor pieces is positioned entirely between the other of the minor pieces and the main piece when the gas bag is in the uninflated condition such that the one minor piece overlies the main piece and the other minor piece overlies the one minor piece.