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:
Apr. 26, 2022
Filed:
Dec. 17, 2014
Applicants:
Safran Helicopter Engines, Bordes, FR;
Messier-bugatti-dowty, Velizy-Villacoublay, FR;
Inventors:
Julien Gurt Santanach, Saint Vincent de Tyrosse, FR;
Fabrice Crabos, Assat, FR;
Julien Esteban, Strasbourg, FR;
Assignees:
SAFRAN HELICOPTER ENGINES, Bordes, FR;
MESSIER-BUGATTI-DOWTY, Velizy-Villacoublay, FR;
Primary Examiner:
Int. Cl.
CPC ...
C25D 11/02 (2006.01); C25D 11/08 (2006.01); C25D 11/24 (2006.01); C25D 11/12 (2006.01); C25D 11/04 (2006.01); C25D 11/16 (2006.01); C25D 11/18 (2006.01); C23C 18/12 (2006.01); B64C 25/36 (2006.01); F02C 7/22 (2006.01);
U.S. Cl.
CPC ...
C25D 11/022 (2013.01); B64C 25/36 (2013.01); C23C 18/122 (2013.01); C23C 18/1241 (2013.01); C23C 18/1245 (2013.01); C23C 18/1254 (2013.01); C23C 18/1295 (2013.01); C25D 11/04 (2013.01); C25D 11/08 (2013.01); C25D 11/12 (2013.01); C25D 11/16 (2013.01); C25D 11/18 (2013.01); C25D 11/246 (2013.01); F02C 7/22 (2013.01);
Abstract
Subjecting an aluminum or aluminum alloy substrate to anti-corrosion and anti-wear treatment that is applicable in particular in the field of aviation for protecting certain mechanical parts of airplanes or helicopters that are subjected simultaneously to corrosion and to wear, including applying to the substrate, a sol-gel treatment step forming a sol-gel layer; and after the sol-gel treatment step, a hard oxidation step forming a hard oxide layer.