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:
Nov. 13, 2018

Filed:

Dec. 28, 2012
Applicant:

Posco, Pohang-Si, KR;

Inventors:

Sang Woo Han, Pohang-Si, KR;

Yong Jin Kim, Gwangyang-Si, KR;

Joong Kil Park, Pohang-Si, KR;

Sung Kwang Kim, Gwangyang-Si, KR;

Assignee:

POSCO, Pohang-Si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/20 (2006.01); B22D 11/16 (2006.01); B22D 11/20 (2006.01);
U.S. Cl.
CPC ...
G01N 33/206 (2013.01); B22D 11/16 (2013.01); B22D 11/201 (2013.01);
Abstract

Provided are an apparatus and method for predicting slab quality including a plurality of meniscus height detecting units prepared in a plurality of region on a top side of a mold receiving molten steel, and detecting a meniscus height of the molten steel, a meniscus flow detecting unit creating a meniscus flow pattern using meniscus heights at the plurality of regions, which are detected by the plurality of meniscus height detecting units, a data storage unit storing the meniscus flow pattern and quality data of a slab produced accordingly and a slab quality predicting unit extracting the meniscus flow pattern detected by the meniscus flow detecting unit and consequent slab quality from the data storage unit to predict slab quality.


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