Land vehicles – Wheeled – Attachment
Reexamination Certificate
2006-02-21
2006-02-21
English, Peter C. (Department: 3616)
Land vehicles
Wheeled
Attachment
C264S400000, C219S121690, C219S121710
Reexamination Certificate
active
07000942
ABSTRACT:
A method for introducing a line of weakening with a low opening resistance in an airbag cover, comprising a substrate layer, a foamed material layer and a decorative layer in which a row of pocket holes s generated by laser radiation, wherein, alternately, first groups of pocket holes with a length a and with a quantity x of shallow pocket holes are generated only in the substrate material and second groups of pocket holes with a length b and with a quantity y of deep pocket holes are generated through the substrate material and through the foamed material layer into the decorative layer, and the foamed material layer is retained in the area of the first groups of pocket holes as a supporting layer.
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Griebel Martin
Lutze Walter
Preuss Norbert
Steinhaeuser Frank
English Peter C.
JENOPTIK Automatisierungstechnik GmbH
Reed Smith LLP
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