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:
Aug. 20, 2019
Filed:
Oct. 16, 2013
Applicant:
Komatsu Ltd., Tokyo, JP;
Inventors:
Yoshitaka Shibata, Hirakata, JP;
Masaharu Amano, Hirakata, JP;
Takuya Tsumura, Nago, JP;
Kazuhiro Nakata, Osaka, JP;
Assignee:
KOMATSU LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01); F04B 1/12 (2006.01); F03C 1/28 (2006.01); F04B 27/08 (2006.01); B32B 7/02 (2019.01); B32B 15/01 (2006.01); B23K 101/00 (2006.01); B23K 103/04 (2006.01); B23K 103/12 (2006.01);
U.S. Cl.
CPC ...
B23K 20/12 (2013.01); B32B 7/02 (2013.01); B32B 15/015 (2013.01); F03C 1/0605 (2013.01); F04B 1/124 (2013.01); F04B 1/126 (2013.01); F04B 27/0886 (2013.01); B23K 2101/003 (2018.08); B23K 2103/05 (2018.08); B23K 2103/12 (2018.08); B32B 2250/02 (2013.01); B32B 2307/536 (2013.01); B32B 2307/746 (2013.01);
Abstract
A piston shoe as a sliding component includes a base section, which is made of steel, and a sliding section having a sliding surface, which is made of copper alloy and joined to the base section. The base section and the sliding section are joined, with a base section joint region being formed in the base section, the base section joint region including a base section joint surface that is a surface joined to the sliding section and having smaller grains than other regions in the base section.