Sealing patch for the ventilation hole of a non-siliconized cushion of an airbag module
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United States of America Patent
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Jan 25, 2011
Grant Date -
Jan 1, 2009
app pub date -
Jun 6, 2008
filing date -
Jun 22, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an airbag module for protecting an occupant of a vehicle in the event of a collision, comprising a cushion (11) that can expand with the gas provided by a generator with at least one ventilation hole (13) sealed with a patch (21) including a silicone membrane (23) intended to break due to the effect of the internal pressure in the cushion (11) so as to allow gas discharge, in which the fabric of the cushion (11) does not have a silicone coating, the patch (21) is formed by said membrane (23) joined at its edges to two pieces (25, 27) of fabric and fixed to the cushion (11) by means of a seam (31). The invention also comprises a process for manufacturing the cushion (11).
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