A flexible wrapping of an airbag (16) of a vehicle occupant restraint system (10) comprises a holding compartment for a folded airbag package (14) formed by a holding bag (104) and an airbag package fixation (124), an inflator fixation (114) formed by projecting retaining tabs (112) as well as at least one fixing portion (130) for fixing an airbag module (12) to a vehicle. For inserting the airbag package (14) into the wrapping (20) an intermediate cover made of a coherent piece of fabric is used into which the airbag package (14) is wrapped along with the inflator (18). The subassembly consisting of the intermediate cover, the airbag package (14) and the inflator (18) is inserted into the wrapping (20). Subsequently, the intermediate cover is removed from between the wrapping (20) and the airbag package (14) again.

An active bolster mounts at an interior trim surface of a passenger compartment in an automotive vehicle. A plastic-molded front wall deploys in a deployment direction toward a passenger in the passenger compartment. A plastic-molded bladder member is joined along an outer perimeter with the front wall by a hot weld seam to form an inflatable bladder. The bladder member includes at least one substantially circumferential pleated baffle. An inflator couples an inflation gas into the inflatable bladder in response to a crash event of the vehicle. The pleated baffle forms a plurality of at least five vent openings including at least one stress relief vent juxtaposed to a peak stress region of the hot weld seam and a plurality of tuning vents which are concentrated at a lowest restraint-force region of the inflatable bladder.

A flexible wrapping of an airbag (16) of a vehicle occupant restraint system (10) comprises a holding compartment for a folded airbag package (14) formed by a holding bag (104) and an airbag package fixation (124), an inflator fixation (114) formed by projecting retaining tabs (112) as well as at least one fixing portion (130) for fixing an airbag module (12) to a vehicle. For inserting the airbag package (14) into the wrapping (20) an intermediate cover made of a coherent piece of fabric is used into which the airbag package (14) is wrapped along with the inflator (18). The subassembly consisting of the intermediate cover, the airbag package (14) and the inflator (18) is inserted into the wrapping (20). Subsequently, the intermediate cover is removed from between the wrapping (20) and the airbag package (14) again.

Airbag assemblies including a housing assembly to be mounted above a vehicle occupant position, an inflator, and an inflatable cushion are provided. The inflatable cushion can include first and second lateral chambers and a frontal chamber disposed between the first and second lateral chambers. Airbag assemblies including a first inflatable cushion that is configured to deploy at a first lateral side and forward of a vehicle occupant position and a second inflatable cushion that is configured to deploy at a second lateral side and forward of the vehicle occupant position are also provided.

Airbag assemblies including a housing assembly to be mounted above a vehicle occupant position, an inflator, and an inflatable cushion are provided. The inflatable cushion can include first and second lateral chambers and a frontal chamber disposed between the first and second lateral chambers. Airbag assemblies including a first inflatable cushion that is configured to deploy at a first lateral side and forward of a vehicle occupant position and a second inflatable cushion that is configured to deploy at a second lateral side and forward of the vehicle occupant position are also provided.

The present invention relates to an airbag including an inflating part having gas inflatability, a non-inflating part supporting the inflating part, a combined part constituting a boundary between the inflating part and the non-inflating part, and an ultrasonic fusion bonded part located between the combined part and the end part of an inflator from which a gas at a high pressure spurts when a car crashes, and a preparation method thereof.