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:
Nov. 12, 2019
Filed:
Jun. 03, 2016
Applicant:
Posco, Pohang-si, KR;
Inventors:
Chang-Woon Jee, Gwangyang-si, KR;
Yong-Hun Kweon, Gwangyang-si, KR;
Yeon-Chae Jeung, Gwangyang-si, KR;
Assignee:
POSCO, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/18 (2006.01); B05C 3/12 (2006.01); C23C 2/34 (2006.01);
U.S. Cl.
CPC ...
C23C 2/18 (2013.01); B05C 3/125 (2013.01); C23C 2/34 (2013.01);
Abstract
An air knife includes: a nozzle main body provided so as to inject gas in response to the width of the steel plate; a nozzle lip installed on at least one of the upper section and the lower section of an outlet of the nozzle main body and extending inclinedly so that the injection cross-sectional area of the gas becomes narrow; and at least one moment generation unit, provided at one side of the nozzle lip, for generating a rotation moment so that the nozzle lip is curved in the width direction of the steel plate and a gap between other nozzle lips varies.