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:
Aug. 03, 2010
Filed:
Oct. 05, 2004
Applicant:
Per Henrikson, Trollhattan, SE;
Inventor:
Per Henrikson, Trollhattan, SE;
Assignee:
Volvo Aero Corporation, Trollhattan, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 31/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method and device () for monitoring a welding area of an object () in connection with welding, which device includes arrangements () for reproduction of the welding area, at least one filter () arranged in front of or in the reproduction arrangement (), and an illumination arrangement () of the welding area with ultraviolet radiation. The filter () consists of a band-pass filter which is adapted for filtering around a wavelength within the ultraviolet wavelength range.