METHOD OF QUENCHING ALLOY SHEET TO MINIMIZE DISTORTION

Details for Australian Patent Application No. 2002256583 (hide)

Owner ALCAN INTERNATIONAL LIMITED

Inventors DAVENPORT, Christopher, John

Pub. Number AU-A-2002256583

PCT Pub. Number WO2002/092870

Priority 09/859,017 15.05.01 US

Filing date 15 May 2002

Wipo publication date 25 November 2002

International Classifications

C22F 001/04 Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working - of aluminium or alloys based thereon

C22F 001/047 Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working - of alloys with magnesium as the next major constituent

C22F 001/05 Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working - of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

C21D 009/573 Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - with cooling

Event Publications

1 May 2003 Application Open to Public Inspection

  Published as AU-A-2002256583

4 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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