PIERCING TOOL AND PROCESS FOR FORMING AIRBAG TEAR SEAMS
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Sep 6, 2013
filing date -
Sep 6, 2013
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Abstract
A non-visible tear seam can be formed in a vehicle interior panel in a mechanical piercing process with a piercing tool that radially supports a needle during the process. The radial support enables the use of higher gauge needles and the formation of non-visible microholes through a visible surface of the panel. The piercing tool is capable of forming each of the microholes of the tear seam individually and may be disposable and/or may be configured with a replaceable needle.
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