Plasma torch for heating molten steel

Details for Australian Patent Application No. 2002232195 (hide)

Owner Nippon Steel Corporation

Inventors Nishihara, Ryoji; Hiramoto, Yuji; Asano, Mitsuji; Mitake, Hiroyuki; Fukunaga, Shinichi; Kawachi, Takeshi; Tanaka, Kazuhisa; Yasumitsu, Kazunori

Agent Spruson & Ferguson

Pub. Number AU-B-2002232195

PCT Pub. Number WO2002/064290

Priority 2001-37414 14.02.01 JP

Filing date 14 February 2002

Wipo publication date 28 August 2002

Acceptance publication date 1 December 2005

International Classifications

B22D 011/10 Particular casting processes - Supplying or treating molten metal

B22D 041/01 Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like

H05B 007/18 Heating by electric discharge

H05H 001/34 Generating plasma

Event Publications

20 February 2003 Application Open to Public Inspection

  Published as AU-B-2002232195

1 December 2005 Application Accepted

  Published as AU-B-2002232195

30 March 2006 Standard Patent Sealed

8 September 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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