logo

For the Inventor, By the Inventor

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.:

US 9744744 B1

PDFFull Text
Expired
Date of Patent:
Aug. 29, 2017

Filed:

Mar. 17, 2014

Press-formed article and method for manufacturing same

Applicant:

Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobe-shi, JP;

Inventors:

Ryosuke Otomo, Hyogo, JP;

Mamoru Nagao, Hyogo, JP;

Mikako Takeda, Hyogo, JP;

Assignee:

Kobe Steel, Ltd., Kobe-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Edward Tolan

Int. Cl.
CPC ...
B21D 22/02 (2006.01); B32B 15/01 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01); C21D 1/18 (2006.01); C22C 18/04 (2006.01); B21D 22/20 (2006.01); B21D 24/04 (2006.01); C23C 2/26 (2006.01); C21D 1/673 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01); C22C 38/14 (2006.01); C22C 38/16 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01); C22C 38/00 (2006.01); C22C 38/58 (2006.01);
U.S. Cl.
CPC ...
B32B 15/013 (2013.01); B21D 22/208 (2013.01); B21D 24/04 (2013.01); C21D 1/18 (2013.01); C21D 1/673 (2013.01); C21D 9/0068 (2013.01); C21D 9/46 (2013.01); C22C 18/04 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/14 (2013.01); C22C 38/16 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C23C 2/06 (2013.01); C23C 2/26 (2013.01); C23C 2/28 (2013.01); C23C 2/40 (2013.01); B32B 2605/08 (2013.01); C22C 38/00 (2013.01); C22C 38/58 (2013.01);
Abstract

A method for manufacturing a press-formed article, said method comprising forming a galvanized steel sheet or an alloyed hot-dip galvanized steel sheet by hot press forming, wherein, after heating the steel sheet and holding the same, the forming is started at a temperature of 680-750° C. inclusive, while allowing liquid zinc to remain on the surface of the steel sheet, and the forming is performed while regulating the strain rate in a plastic deformation part of the steel sheet to 0.5 secor lower.

Find Patent Forward Citations

Otomo, Ryosuke. (2017). Press-formed article and method for manufacturing same (U.S. Patent No. 9744744). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9744744

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…