METHOD FOR PRODUCING REDUCED IRON COMPACT IN ROTARY HEARTH REDUCING FURNACE, REDUCED IRON COMPACT, AND METHOD FOR PRODUCING PIG IRON USING THE SAME

Details for Australian Patent Application No. 2002330487 (hide)

Owner NIPPON STEEL CORPORATION

Inventors IBARAKI, Tetsuharu; IMURA, Shouji; ODA, Hiroshi; TAKAHASHI, Masaharu; ABE, Yoichi; TAKAHASHI, Shigeki; SUZUKI, Satoshi

Pub. Number AU-A-2002330487

PCT Number PCT/JP02/09062

PCT Pub. Number WO2003/025231

Priority 2001-279056 14.09.01 JP

Filing date 5 September 2002

Wipo publication date 1 April 2003

International Classifications

C21B 013/10 Making spongy iron or liquid steel, by direct processes

Event Publications

30 January 2003 Complete Application Filed

  Priority application(s): 2001-279056 14.09.01 JP

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002330487

17 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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