Patent ID: 6488309
Filing Date: 2002-12-03
Classification: B60R

Abstract:
Airbag module having a gas generator, gas bag and a gas bag cover which is mounted over the gas bag and is to be opened by the gas bag as the gas bag unfolds, wherein after opening of the gas bag cover from a predetermined time point onwards increasingly greater forces are necessary for the gas bag to be deployed, wherein the gas generator has multiple stages, the gas bag in an inoperative state lies in a folded condition next to the gas generator and only one gas bag layer extends over the generator so that after ignition of the gas generator the gas bag is drawn successively out from a housing of the airbag module by the gases discharged from the generator, and wherein the gas bag cover is formed so that after opening the gas bag cover increasingly greater forces are required to unfold the gas bag from a predetermined time point onwards and so that an outer part of the gas bag only unfolds in the event of said greater forces.