Improvements related to the manufacture of coil springs

Details for Australian Patent Application No. 2009329336 (hide)

Owner Springform Technology Limited

Inventors Whitworth, Ian James

Agent Janet Stead & Associates Patent & Trade Marks Attorneys

Pub. Number AU-A-2009329336

PCT Pub. Number WO2010/070334

Priority 0823067.4 18.12.08 GB

Filing date 15 December 2009

Wipo publication date 24 June 2010

International Classifications

B21F 3/02 (2006.01) Coiling wire into particular forms

B21F 33/04 (2006.01) Tools or devices specially designed for handling or processing wire fabrics or the like

B68G 9/00 (2006.01) Placing upholstery springs in pockets

C21D 8/06 (2006.01) Modifying the physical properties by deformation combined with, or followed by, heat treatment - during manufacturing of rods or wires

C21D 9/02 (2006.01) Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for springs

Event Publications

4 August 2011 PCT application entered the National Phase

  PCT publication WO2010/070334 Priority application(s): WO2010/070334

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