RARE EARTH MAGNET ALLOY INGOT, MANUFACTURING METHOD FOR THE SAME, R-T-B TYPE MAGNET ALLOY INGOT, R-T-B TYPE MAGNET, R-T-B TYPE BONDED MAGNET, R-T-B TYPE EXCHANGE SPRING MAGNET ALLOY INGOT, RT-B TYPE EXCHANGE SPRING MAGNET, AND R-T-B TYPE EXCHANGE SPRING BONDED MAGNET

Details for Australian Patent Application No. 2002330749 (hide)

Owner SHOWA DENKO K.K.

Inventors HASEGAWA, Hiroshi; UTSUNOMIYA, Masahide; ITO, Tadanao

Pub. Number AU-A-2002330749

PCT Number PCT/JP02/08931

PCT Pub. Number WO2003/020993

Priority 60/396,754 19.07.02 US; 2001-266278 03.09.01 JP; 60322,748 18.09.01 US; 2002-065263 11.03.02 JP; 60/367,720 28.03.02 US; 2002-195404 04.07.02 JP

Filing date 3 September 2002

Wipo publication date 18 March 2003

International Classifications

C22C 038/00 Ferrous alloys, e.g. steel alloys

C22C 038/08 Ferrous alloys, e.g. steel alloys - containing nickel

H01F 001/04 Magnets or magnetic bodies characterised by the magnetic materials therefor

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

B22D 013/10 Centrifugal casting

B22D 013/12 Centrifugal casting

B22D 023/00 Casting processes not provided for in groups

B22F 009/08 Making metallic powder or suspensions thereof - by casting, e.g. through sieves or in water, by atomising or spraying

Event Publications

6 February 2003 Complete Application Filed

  Priority application(s): 60/396,754 19.07.02 US; 2001-266278 03.09.01 JP; 60322,748 18.09.01 US; 2002-065263 11.03.02 JP; 60/367,720 28.03.02 US; 2002-195404 04.07.02 JP

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002330749

10 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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