Invisible Pre-Weakened Seam for an Air Bag Deployment Cover
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United States of America Patent
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Issued Date -
Oct 29, 2009
app pub date -
Apr 29, 2008
filing date -
Apr 29, 2008
priority date (Note) -
Abandoned
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Abstract
A cover panel for the air bag in an automotive vehicle with a pre-weakened tear seam being formed by a series of voids formed in a predetermined repeat pattern of varying depths. The voids are formed by ablating the cover panel base substrate from its under side at varying depths to weaken both the base substrate and an outer finish layer.
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