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.

Date of Patent:
Apr. 19, 2022

Filed:

Mar. 14, 2017
Applicant:

Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;

Inventors:

Takehiro Nishimura, Kobe, JP;

Mitsuhiro Kamioka, Kobe, JP;

Mamoru Nishio, Kobe, JP;

Daisuke Watanabe, Kobe, JP;

Yousuke Tsumura, Kobe, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 29/44 (2006.01); B61F 1/08 (2006.01); G01N 29/04 (2006.01); G01N 29/265 (2006.01); B61F 5/30 (2006.01);
U.S. Cl.
CPC ...
G01N 29/4427 (2013.01); B61F 1/08 (2013.01); G01N 29/043 (2013.01); G01N 29/265 (2013.01); B61F 5/30 (2013.01); G01N 2291/0231 (2013.01); G01N 2291/0289 (2013.01); G01N 2291/044 (2013.01); G01N 2291/269 (2013.01);
Abstract

An ultrasonic flaw detector for a composite material constituted by a plurality of materials which are different in physical properties from one another includes: a section specifier configured to specify first and second sections of an RF signal of a reflected wave of an ultrasonic wave with which the composite material is irradiated, a material reflected wave being possibly generated in the first section, an interface reflected wave being possibly generated in the second section; a material flaw determiner configured to determine whether or not a value of the RF signal exceeds a positive first threshold in the first section; and an interface flaw determiner configured to determine whether or not the value of the RF signal falls below a negative second threshold in the second section.


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