Gas bag for a vehicle occupant restraint system and a gas bag module
AssigneeTRW Automotive Safety Systems GmbH
InventorMarkus Keutz
Life of this patent
Estimating the term…
Abstract
A gas bag for a vehicle occupant restraint system comprises a gas bag wall, which in the unfolded state of the gas bag (22) delimits an indentation (30) with an orifice (28) or an opening, and a closure piece (40) fastened to the gas bag wall, which in the inflated state moves in front of the orifice (28) of the indentation or in front of the opening and covers it. The closure piece (40) is formed from at least two covering pieces, arranged one over the other, overlapping each other, which respectively have a margin section which is not fastened to the gas bag wall.
Claims10
A gas bag for a vehicle occupant restraint system, with
- a gas bag wall, which in the unfolded state of the gas bag (22) delimits an indentation (30) with an orifice (28) or an opening, and
- a closure piece (40) fastened to the gas bag wall, which in the inflated state moves in front of the orifice (28) of the indentation or in front of the opening and covers it,
- characterized in that
- the closure piece (40) is formed from at least two covering pieces, arranged one over the other, overlapping each other, which respectively have a margin section which is not fastened to the gas bag wall.
The gas bag according to any of the preceding claims, characterized in that the covering pieces are rectangular and the margin section of the one covering piece which is not fastened to the gas bag wall is opposed to the margin section of the other covering piece which is not fastened to the gas bag wall.
A gas bag module with
- a gas bag (22) according to any of the preceding claims,
- characterized in that
- the gas bag wall has a front and a rear wall section (24 and respectively 26),
- an indentation (30) running from the front wall section (24) in the inflated state in the direction of the rear wall section (26), which is formed in that a part of the gas bag wall is prevented from an unimpeded movement towards the exterior of the module on unfolding of the gas bag (22).
Dependencies are inferred from the claim text.