EXTRUSION DIE FOR MANUFACTURING TUBE WITH SMALL HOLLOW PORTIONS, MANDREL USED FOR SAID EXTRUSION DIE, AND MULTI-HOLLOWED TUBE MANUFACTURED BY USING SAID EXTRUSION DIE

Details for Australian Patent Application No. 2002347628 (hide)

Owner SHOWA DENKO K.k.

Inventors YAMASAKI, Hideyo; SHIMIZU, Fumio; HIRAMOTO, Kimihisa

Pub. Number AU-A-2002347628

PCT Number PCT/JP02/10955

PCT Pub. Number WO2003/035293

Priority 2001-325592 23.10.01 JP; 60-341,247 20.12.01 US

Filing date 22 October 2002

Wipo publication date 6 May 2003

International Classifications

B21C 025/02 Profiling tools for metal extruding

B21B 025/04 Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 2001-325592 23.10.01 JP; 60-341,247 20.12.01 US

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002347628

8 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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