Title:
STAMPING DIE FOR COINS OR MEDALS, METHOD FOR MAKING SAME AND COIN OR MEDAL
Document Type and Number:
WIPO Patent Application WO2001070516
Kind Code:
A3
Abstract:
Die for coins or medals, comprising a hardened surface in which a pattern of indentations is produced by means of a laser beam. This pattern alone determines a motif that is transferred into the coin during its minting. All indentations have substantially the same height and depth measurement, and the pattern in question is obtained by varying the density.
Inventors:
BARGEMAN GERRIT (NL)
Application Number:
PCT/NL2001/000230
Publication Date:
March 07, 2002
Filing Date:
March 21, 2001
Export Citation:
Assignee:
KONINK NL MUNT N V (NL)
BARGEMAN GERRIT (NL)
BARGEMAN GERRIT (NL)
International Classes:
A44C21/00; B44B5/02; (IPC1-7): B44B5/02; A44C21/00
Foreign References:
| DE19741998A1 | 1999-03-25 | |||
| DE4441337A1 | 1996-05-09 | |||
| DE19624131A1 | 1997-12-18 | |||
| EP0421181A1 | 1991-04-10 | |||
| GB657256A | 1951-09-12 |
Other References:
"ANONYMOUS", INTERNET ARTICLE, XP002177385, Retrieved from the Internet [retrieved on 20010913]
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