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.

Date of Patent:
Apr. 09, 2024

Filed:

Mar. 07, 2018
Applicant:

Posco, Pohang-si, KR;

Inventors:

Il-Ryoung Sohn, Gwangyang, KR;

Jong-Sang Kim, Gwangyang, KR;

Joong-Chul Park, Gwangyang, KR;

Yeol-Rae Cho, Gwangyang, KR;

Jin-Keun Oh, Gwangyang, KR;

Han-Gu Cho, Gwangyang, KR;

Bong-Hoon Chung, Gwangyang, KR;

Jong-Seog Lee, Gwangyang, KR;

Assignee:

POSCO CO., LTD, Pohang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/26 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C23C 2/02 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C23C 2/40 (2006.01); C23C 8/10 (2006.01); B32B 15/04 (2006.01);
U.S. Cl.
CPC ...
C23C 2/06 (2013.01); C22C 38/001 (2013.01); C22C 38/04 (2013.01); C23C 2/022 (2022.08); C23C 2/026 (2022.08); C23C 2/261 (2022.08); C23C 2/28 (2013.01); C23C 2/40 (2013.01); C23C 8/10 (2013.01); Y10T 428/12799 (2015.01); Y10T 428/12917 (2015.01); Y10T 428/12924 (2015.01); Y10T 428/12931 (2015.01); Y10T 428/12937 (2015.01); Y10T 428/12951 (2015.01); Y10T 428/12958 (2015.01);
Abstract

Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.


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