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:
Jun. 24, 2014
Filed:
Jan. 14, 2010
Alfred Graff, Essen, DE;
Gert Fischer, Wachtendonk, DE;
Karl-heinz Breckel, Duisburg, DE;
Jochen Berkemeier, Hamm, DE;
Alfred Graff, Essen, DE;
Gert Fischer, Wachtendonk, DE;
Karl-Heinz Breckel, Duisburg, DE;
Jochen Berkemeier, Hamm, DE;
Salzgitter Mannesmann Line Pipe GmbH, Siegen, DE;
Abstract
The invention relates to an ultrasonic probe for the non-destructive testing of metal work pieces, particularly pipes, for transverse defects, comprising a row-shaped arrangement of oscillator elements located on a lead wedge for coupling to the work piece. According to the invention, the lead wedge is designed as a wedge-shaped hollow body, which is filled with fluid and the wedge angle of which is a maximum of 24, and which is arranged on the work piece such that the intromission angle into the work piece is a maximum of 70.