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:
Nov. 06, 2018
Filed:
Dec. 18, 2013
Applicants:
Skf Aerospace France, Saint-Vallier, FR;
Liebherr-aerospace Toulouse Sas, Toulouse, FR;
Inventors:
Gwénolé Le Jeune, Saint Sorlin en Valloire, FR;
Yves Maheo, Anneyron, FR;
Jérôme Rocchi, Roqueseriere, FR;
Assignees:
SKF Aerospace France, Saint-Vallier, FR;
Liebherr-Aerospace Toulouse SAS, Toulouse, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/62 (2006.01); C22C 38/36 (2006.01); F16C 33/32 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/30 (2006.01); F16K 1/22 (2006.01); B22F 5/00 (2006.01); B22F 3/24 (2006.01); B22F 3/10 (2006.01); F16C 33/64 (2006.01);
U.S. Cl.
CPC ...
F16C 33/62 (2013.01); B22F 3/10 (2013.01); B22F 3/24 (2013.01); B22F 5/00 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01); C22C 38/30 (2013.01); C22C 38/36 (2013.01); F16C 33/32 (2013.01); F16C 33/64 (2013.01); F16K 1/224 (2013.01); B22F 2003/247 (2013.01); B22F 2003/248 (2013.01); F16C 2204/66 (2013.01); F16C 2220/20 (2013.01); Y10T 29/49686 (2015.01);
Abstract
The manufacturing method notably includes a step () for sintering steel powder (), the chemical composition of which includes, in mass percent, 2.3% of carbon, 4.2% of chromium, 7% of molybdenum, 6.5% of tungsten, 10.5% of cobalt and 6.5% of vanadium, so as to obtain a sintered steel () and shaping of the sintered steel (), for forming a bearing ring ().