Method for manufacturing a weakening structure in a decor layer of an airbag cover, and decor layer with a weakening structure of an airbag cover
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United States of America Patent
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Mar 28, 2017
Grant Date -
Dec 17, 2015
app pub date -
Jun 10, 2015
filing date -
Jun 12, 2014
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Abstract
The present invention relates to a method for manufacturing a weakening structure in a decor layer of an airbag cover, said weakening structure not being visible when observed from a viewed side. With the method, a punching tool penetrates into a rear side of the decor layer consisting of leather, said rear side being away from the viewed side, and thereby is simultaneously rotated about its longitudinal axis. A penetration depth of the punching tool which is smaller than the thickness of the decor layer is moreover maintained.
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