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:
Apr. 26, 2016
Filed:
Feb. 22, 2012
Ashraf Koka, Düsseldorf, DE;
Alfred Graff, Essen, DE;
Karsten Deegen, Düsseldorf, DE;
Axel Heinz, Duisburg, DE;
Ashraf Koka, Düsseldorf, DE;
Alfred Graff, Essen, DE;
Karsten Deegen, Düsseldorf, DE;
Axel Heinz, Duisburg, DE;
Vallourec Deutshcland GmbH, Dusseldorf, DE;
Abstract
A leakage flux probe for non-destructive leakage flux-testing of magnetizable bodies comprising a plurality of coils for detection of near-surface flaws in the body, wherein the coils have a degree of sensitivity which is dependent upon the orientation of the flaws in the body, and wherein coils having a different degree of sensitivity are disposed in the leakage flux probe with a first type of coil having a high degree of sensitivity for longitudinal flaws or transverse flaws and a second type of coil having a high degree of sensitivity for oblique flaws.