| 发明名称 |
METHOD AND APPARATUS FOR CARVING A SEAL OF COIN |
| 摘要 |
The method includes a step of carving the brim by compressing an upper part of the coin with a carving metal mold while the material for coin is laid on a supporting bar, wherein both sides of the material are held by the material fixing wheels whose inner sides having respective auxiliary holders.
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| 申请公布号 |
KR940006030(B1) |
申请公布日期 |
1994.07.02 |
| 申请号 |
KR19920005441 |
申请日期 |
1992.04.01 |
| 申请人 |
THE KOREA MINT CORP. |
发明人 |
BAEK, UN - YONG;PARK, WON - KYU;SON, JONG - HWAN;JO, SUNG - MAN |
| 分类号 |
B44B5/00;(IPC1-7):B44B5/00 |
主分类号 |
B44B5/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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