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:
May. 24, 2022
Filed:
Oct. 29, 2015
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/00 (2006.01); B23K 20/12 (2006.01); B23K 33/00 (2006.01); B23K 20/227 (2006.01); B23K 20/24 (2006.01); B23K 103/22 (2006.01); C21D 9/50 (2006.01);
U.S. Cl.
CPC ...
B23K 20/12 (2013.01); B23K 20/129 (2013.01); B23K 20/227 (2013.01); B23K 20/24 (2013.01); B23K 33/006 (2013.01); B23K 2103/22 (2018.08); C21D 9/50 (2013.01);
Abstract
A machine component includes a first region having a first linear expansion coefficient, and a second region having a second linear expansion coefficient greater than the first linear expansion coefficient and joined to the first region. A region including an outer periphery of an interface between the first region and the second region is inclined toward the second region side over the entire periphery. On a surface of the first region, a groove is formed to extend along the outer periphery of the interface.