Title:
METHOD OF MANUFACTURING A COINING DIE
Document Type and Number:
WIPO Patent Application WO/2014/016593
Kind Code:
A3
Abstract:
There is disclosed a method of manufacturing a coining die comprising the steps of: forming a blank billet; polishing the blank billet by moving it in an abrasive medium; pressing the polished blank billet with a working punch to form a coining die; and polishing the coining die by moving it in an abrasive medium. There is also disclosed an apparatus for the same.
Inventors:
SAMUEL PHIL (GB)
Application Number:
PCT/GB2013/051976
Publication Date:
March 20, 2014
Filing Date:
July 24, 2013
Export Citation:
Assignee:
ROYAL MINT LTD (GB)
International Classes:
B44B5/02; B24B31/00; B24B41/06
Domestic Patent References:
| WO2001070516A2 | 2001-09-27 |
Foreign References:
| CN100443251C | 2008-12-17 | |||
| EP1433569A2 | 2004-06-30 | |||
| US2883809A | 1959-04-28 |
Attorney, Agent or Firm:
ROGERS, Alex Lee (Redcliff Quay120 Redcliff Street, Bristol BS1 6HU, GB)
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