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:
Aug. 06, 2024

Filed:

Oct. 14, 2020
Applicant:

Jfe Steel Corporation, Tokyo, JP;

Inventors:

Asato Hara, Tokyo, JP;

Syoma Murakami, Tokyo, JP;

Yasushi Kitani, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/00 (2006.01); B23K 31/12 (2006.01); G01N 33/207 (2019.01); H04N 23/90 (2023.01); B23K 101/00 (2006.01); B23K 101/18 (2006.01); B23K 103/04 (2006.01);
U.S. Cl.
CPC ...
B23K 31/125 (2013.01); G01N 33/207 (2019.01); H04N 23/90 (2023.01); B23K 2101/006 (2018.08); B23K 2101/18 (2018.08); B23K 2103/04 (2018.08);
Abstract

A weld inspection apparatus that detects a weld defect in a welded portion of metal plates and includes a liquid application head disposed over one side surface of the metal plates and capable of moving in a welding direction of the metal plates, and an air jet head disposed over another side surface of the metal plates and capable of moving in the welding direction of the metal plates. The liquid application head includes a liquid application nozzle that projects toward the one side surface of the metal plates and applies liquid for sealing the welded portion. The air jet head includes an air jet nozzle that projects toward the another side surface of the metal plates and discharges air toward the welded portion to which the liquid has been applied.


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