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:
Jan. 19, 2010
Filed:
Jun. 04, 2007
Applicants:
Rainer Lübbers, Paderborn, DE;
Hermann Relard, Delbrück, DE;
Cordt Erfling, Paderborn, DE;
Inventors:
Assignee:
Benteler Automobiltechnik GmbH, Paderborn, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Apparatus for optical measurement and/or examination of a welding assembly includes a measuring space in which a welding assembly is located. Further disposed in the measuring space is a stationary reference object which is made of a material having a coefficient of thermal expansion α≦2.0*10/K at 20° C. A plurality of cameras in the measuring space take images of the welding assembly and the reference object, with the image information transmitted to an evaluation device for evaluation.