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:
Jun. 15, 2021
Filed:
Apr. 10, 2018
Applicants:
Toshihiko Mouri, Aichi, JP;
Hiroharu Nagata, Aichi, JP;
Inventors:
Toshihiko Mouri, Aichi, JP;
Hiroharu Nagata, Aichi, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 33/02 (2006.01); C22C 38/00 (2006.01); C22C 38/16 (2006.01); B22F 3/10 (2006.01); F01L 1/344 (2006.01); B22F 3/11 (2006.01); B22F 1/00 (2006.01); B22F 3/12 (2006.01); B22F 5/00 (2006.01); F01L 1/047 (2006.01);
U.S. Cl.
CPC ...
C22C 33/0257 (2013.01); B22F 1/007 (2013.01); B22F 3/10 (2013.01); B22F 3/1035 (2013.01); B22F 3/11 (2013.01); B22F 3/12 (2013.01); B22F 5/00 (2013.01); C22C 33/02 (2013.01); C22C 38/008 (2013.01); C22C 38/16 (2013.01); F01L 1/047 (2013.01); F01L 1/3442 (2013.01); F01L 2001/34479 (2013.01); F01L 2301/00 (2020.05); F01L 2303/00 (2020.05); F01L 2303/01 (2020.05);
Abstract
Raw material powder containing iron powder, copper powder, and tin powder is compressed to form a green compact. The green compact is sintered in a temperature range of from 750 to 900° C., to bond iron structures to each other with copper and tin.