Title:
STEEL SHEET SURFACE TREATMENT DEVICE AND SURFACE TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2017/111417
Kind Code:
A1
Abstract:
The present invention relates to: a steel sheet surface treatment device comprising a transport unit for transporting a steel sheet, and a laser line irradiation unit positioned on the transport route of the steel sheet and irradiating a laser line on the surface of the steel sheet in the shape of a line with respect to the width direction of the steel sheet; and a steel sheet surface treatment method comprising the steps of, by using the steel sheet surface treatment device, preparing a steel sheet and consecutively transporting same, and treating the surface of the steel sheet by irradiating, on the surface of the consecutively transported steel sheet, a laser line in the shape of a line with respect to the width direction of the steel sheet.
Inventors:
KUEON YEONG-SEOB (KR)
Application Number:
PCT/KR2016/014905
Publication Date:
June 29, 2017
Filing Date:
December 19, 2016
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C21D10/00; B23K26/352; B23K26/70; C21D1/09
Foreign References:
| JPS6089532A | 1985-05-20 | |||
| KR20130127102A | 2013-11-22 | |||
| KR20040056315A | 2004-06-30 | |||
| JP2009097028A | 2009-05-07 | |||
| KR19990077250A | 1999-10-25 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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