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:
Oct. 15, 2019
Filed:
Apr. 11, 2017
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Masahiro Miki, Tokyo, JP;
Yuki Oshima, Tokyo, JP;
Naoyuki Kono, Tokyo, JP;
Toshimi Kimura, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/22 (2006.01); G01N 29/04 (2006.01);
U.S. Cl.
CPC ...
G01N 29/223 (2013.01); G01N 29/04 (2013.01); G01N 29/221 (2013.01); G01N 2291/2634 (2013.01);
Abstract
An ultrasonic transmission probe is arranged such that an ultrasonic wave transmitted from the ultrasonic transmission probe toward a pipe propagates in a thick part of the pipe, is at least reflected on the outer peripheral face of the pipe, and travels toward an inspection site on the pipe, and an ultrasonic reception probe is arranged to be symmetrical to the ultrasonic transmission probe with reference to the xz plane including the inspection site and perpendicular to the center axis of the pipe.