Title:
DEVICE FOR COILING AND UNCOILING HOT ROLLED BAR
Document Type and Number:
WIPO Patent Application WO/2016/104877
Kind Code:
A1
Abstract:
The present invention provides a device for coiling and uncoiling a bar between a roughing mill and a finishing mill when performing hot rolling, the device comprising: a sealed furnace which is arranged between the roughing mill and the finishing mill, heats the bar received therein, and keeps the bar at a constant temperature; a pinch rolling unit which is arranged in front of the sealed furnace and controls the vertical progression direction of the bar provided by the roughing mill; a bending unit which is provided with the bar by the pinch rolling unit and bends the bar; and a cradling unit which receives the bent bar from the bending unit, and coils the bar along the rotation direction or uncoils the bar to the outside of the sealed furnace.
Inventors:
KIM SUNG HYUN (KR)
AHN JONG JOON (KR)
AHN JONG JOON (KR)
Application Number:
PCT/KR2015/003931
Publication Date:
June 30, 2016
Filing Date:
April 20, 2015
Export Citation:
Assignee:
POSCO (KR)
International Classes:
B21C47/00; B21C47/02; B21C47/16
Foreign References:
| JPH1034231A | 1998-02-10 | |||
| US5433264A | 1995-07-18 | |||
| JPH11221616A | 1999-08-17 | |||
| KR20120135220A | 2012-12-12 | |||
| KR100878464B1 | 2009-01-13 |
Attorney, Agent or Firm:
CHOI, KYU PAL (KR)
최규팔 (KR)
최규팔 (KR)
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