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:
May. 30, 2019
Applicant:
Posco, Pohang-si, KR;
Inventors:
Jai-Hyun Kwak, Gwangyang-si, KR;
Kyoo-Young Lee, Gwangyang-si, KR;
Hang-Sik Cho, Gwangyang-si, KR;
Joo-Hyun Ryu, Gwangyang-si, KR;
Man-Young Park, Gwangyang-si, KR;
Assignee:
POSCO, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/52 (2006.01); C21D 9/56 (2006.01); C21D 9/573 (2006.01); C21D 1/26 (2006.01); C22C 38/00 (2006.01); C21D 1/40 (2006.01); C21D 1/42 (2006.01); C21D 1/52 (2006.01); C21D 1/34 (2006.01); C21D 1/60 (2006.01); C21D 1/613 (2006.01); C21D 1/773 (2006.01); C21D 9/60 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/14 (2006.01);
U.S. Cl.
CPC ...
C21D 9/52 (2013.01); C21D 1/26 (2013.01); C21D 1/34 (2013.01); C21D 1/40 (2013.01); C21D 1/42 (2013.01); C21D 1/52 (2013.01); C21D 1/60 (2013.01); C21D 1/613 (2013.01); C21D 1/773 (2013.01); C21D 9/56 (2013.01); C21D 9/561 (2013.01); C21D 9/573 (2013.01); C21D 9/60 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/14 (2013.01); C21D 2211/005 (2013.01); Y02P 10/253 (2015.11);
Abstract
Provided is a method of continuously annealing a strip. The method includes: firstly heating a strip in a first heating zone; firstly cooling the firstly heated strip or maintaining the firstly heated strip at a constant temperature in a first cooling or constant temperature maintaining zone; secondarily heating and soaking the strip, firstly cooled or remaining at the constant temperature, in a second heating and soaking zone; and secondarily cooling the strip, secondarily heated and soaked, in a second cooling zone.