Patent ID: 6543801
Filing Date: 2003-04-08
Classification: B60R

Abstract:
A safety device housed in a motor vehicle comprising:i) an impervious inflatable metal bag fixed to a support; ii) a pyrotechnic charge; iii) an ignition device intended to be connected to a source of electrical current, wherein, iv) the impervious inflatable metal bag includes a first metal sheet which has a central orifice, an intermediate fixing zone attached to the support and a peripheral fixing zone and a solid domed second metal sheet which has a peripheral fixing zone, the two metal sheets being fixed together at their peripheral fixing zones, wherein, v) the pyrotechnic charge is contained in the impervious inflatable metal bag, wherein, vi) the support consists of a cylindrical body having a flat top surface to which the first metal sheet is fixed, and wherein, vii) the body includes a discoid plate which has a side wall, and passing through the discoid plate is a radial channel which starts in the side wall and ends in at least two widened terminations in the flat top surface.