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:
Oct. 17, 2017
Filed:
Oct. 23, 2014
Applicant:
Hyundai Motor Company, Seoul, KR;
Inventors:
Jae Ryeon Hwang, Ulsan, KR;
Byung Hun Kim, Ulsan, KR;
Jong Ho Maeng, Seoul, KR;
Jang Choon Park, Ulsan, KR;
Heong Joo Park, Ulsan, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/00 (2006.01); B21D 37/16 (2006.01); B21J 5/02 (2006.01); B21J 9/00 (2006.01); B21J 13/02 (2006.01); C21D 1/40 (2006.01); B21D 22/20 (2006.01); C21D 1/673 (2006.01);
U.S. Cl.
CPC ...
C21D 8/005 (2013.01); B21D 22/208 (2013.01); B21D 37/16 (2013.01); B21J 5/027 (2013.01); B21J 9/00 (2013.01); B21J 13/02 (2013.01); C21D 1/40 (2013.01); C21D 1/673 (2013.01);
Abstract
A heat treatment apparatus for hot stamping includes a frame, and heating units provided to be vertically movable at both upper and lower sides of the frame and configured to heat a cold formed steel plate by electrifying the steel plate. Cooling units are provided to be vertically movable at centers of the upper and lower sides of the frame and are configured to cool the heated steel plate while pressurizing the steel plate from upper and lower sides.