METHOD AND APPARATUS FOR PRODUCING GRANULATED POWDER OF RARE EARTH ALLOY AND METHOD FOR PRODUCING RARE EARTH ALLOY SINTERED COMPACT

Details for Australian Patent Application No. 2002349595 (hide)

Owner SUMITOMO SPECIAL METALS CO., LTD.

Inventors KUNIYOSHI, Futoshi; OTANI, Tomoiku

Pub. Number AU-A-2002349595

PCT Number PCT/JP02/12399

PCT Pub. Number WO2003/045611

Priority 2001-362436 28.11.01 JP; 2002-298621 11.10.02 JP

Filing date 27 November 2002

Wipo publication date 10 June 2003

International Classifications

B22F 001/00 Special treatment of metallic powder, e.g. to facilitate working, to improve properties

H01F 001/08 Magnets or magnetic bodies characterised by the magnetic materials therefor

B01J 002/16 Processes or devices for granulating materials, in general - by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain

H01F 041/02 Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass - for manufacturing cores, coils, or magnets

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 2001-362436 28.11.01 JP; 2002-298621 11.10.02 JP

21 August 2003 Application Open to Public Inspection

  Published as AU-A-2002349595

12 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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