Title:
RADIANT TUBE APPARATUS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/125601
Kind Code:
A1
Abstract:
The present invention relates to: a radiant tube apparatus disposed in a heat treatment facility and carrying out heat treatment of a strip; and a method for manufacturing same. The radiant tube apparatus of the present invention comprises a tube provided with an inner conduit, wherein a first continuous pattern and a second continuous pattern, spaced apart by a predetermined interval and extending side by side, are positioned on the surface of the tube, and the first continuous pattern and the second continuous pattern each have a plurality of unit patterns, having a predetermined height from the surface of the tube, that are connected in the length direction.
Inventors:
HA WON (KR)
LEE MOK YOUNG (KR)
LEE MOK YOUNG (KR)
Application Number:
PCT/KR2020/016828
Publication Date:
June 24, 2021
Filing Date:
November 25, 2020
Export Citation:
Assignee:
POSCO (KR)
RES INST IND SCIENCE & TECH (KR)
RES INST IND SCIENCE & TECH (KR)
International Classes:
C21D9/56; F23D14/12; F27B9/36
Foreign References:
| KR20170045000A | 2017-04-26 | |||
| KR101620383B1 | 2016-05-12 | |||
| KR20180125518A | 2018-11-23 | |||
| KR20020072617A | 2002-09-18 | |||
| JP2002174403A | 2002-06-21 |
Other References:
See also references of EP 4079876A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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