Title:
BLACK COLOR PLATED STEEL SHEET, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/139421
Kind Code:
A1
Abstract:
The present disclosure relates to: a black color plated steel sheet having, on the surface, a beautiful pattern with a marble texture obtained by subjecting a plated steel sheet having spangles to a constant humidity heat treatment, wherein the marble texture is obtained upon completion of blackening because the degree of blackening varies in accordance with the spangle pattern; and a manufacturing method thereof.
Inventors:
KIM HYE JEONG (KR)
LEE KYUNG HWANG (KR)
LEE TAEK GEUN (KR)
LEE KYUNG HWANG (KR)
LEE TAEK GEUN (KR)
Application Number:
PCT/KR2021/019530
Publication Date:
June 30, 2022
Filing Date:
December 21, 2021
Export Citation:
Assignee:
POSCO (KR)
RES INST IND SCIENCE & TECH (KR)
RES INST IND SCIENCE & TECH (KR)
International Classes:
C23C28/00; C23C2/06; C23C8/16
Foreign References:
| KR20150002668A | 2015-01-07 | |||
| KR20190104545A | 2019-09-10 | |||
| JP2001115273A | 2001-04-24 | |||
| JP2000178705A | 2000-06-27 | |||
| KR20140128464A | 2014-11-05 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
Download PDF: