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:
Mar. 31, 2020
Filed:
Nov. 27, 2014
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Inventors:
Takeshi Kakita, Toyota, JP;
Kohei Hisada, Nagoya, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 7/00 (2006.01); C23C 22/78 (2006.01); C23C 22/68 (2006.01); C23G 5/00 (2006.01); C23C 2/26 (2006.01); C21D 7/13 (2006.01); B23K 26/40 (2014.01); B23K 26/361 (2014.01); B23K 26/352 (2014.01); B21D 22/02 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01); C25D 3/22 (2006.01); C25D 5/50 (2006.01); C23C 22/07 (2006.01); C21D 9/46 (2006.01); C25D 7/06 (2006.01); B23K 101/34 (2006.01);
U.S. Cl.
CPC ...
C23C 22/68 (2013.01); B21D 22/022 (2013.01); B23K 26/352 (2015.10); B23K 26/361 (2015.10); B23K 26/40 (2013.01); C21D 7/13 (2013.01); C23C 2/06 (2013.01); C23C 2/26 (2013.01); C23C 2/28 (2013.01); C23C 2/40 (2013.01); C23C 22/78 (2013.01); C23G 5/00 (2013.01); C25D 3/22 (2013.01); C25D 5/50 (2013.01); B08B 7/0042 (2013.01); B23K 2101/35 (2018.08); C21D 9/46 (2013.01); C25D 7/0614 (2013.01);
Abstract
A method of producing a hot-stamped article includes: a forming process of heating a galvanized steel sheet () on which a galvanized layer () is formed and forming the heated galvanized steel sheet () by hot stamping; a removal process of irradiating, after the forming step, an oxide film () formed on a surface of the galvanized layer () with laser light to remove the oxide film (); and a coating process of performing, after the removal process, a coating treatment on the galvanized steel sheet () formed by hot stamping.