The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2006
Filed:
Jun. 13, 2003
Walter Lutze, Drackendorf, DE;
Frank Steinhaeuser, Magdala, DE;
Martin Griebel, Jena, DE;
Norbert Preuss, Jena, DE;
Walter Lutze, Drackendorf, DE;
Frank Steinhaeuser, Magdala, DE;
Martin Griebel, Jena, DE;
Norbert Preuss, Jena, DE;
JENOPTIK Automatisierungstechnik GmbH, Jena, DE;
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.