| 发明名称 |
Production of rings and other jewellry items |
| 摘要 |
The flat raw material bodies (2) are punched through by a ram (1) through one or more recesses (7) of a matrix (3). The ram has a round, square or triangular cross-section. The method of making a ring can also be used to produce beakers and vases. The raw material is preferably a metal plate or refined metal plate.
|
| 申请公布号 |
DE19845585(A1) |
申请公布日期 |
1999.07.08 |
| 申请号 |
DE19981045585 |
申请日期 |
1998.10.03 |
| 申请人 |
SIEGMANN, MARION, 31134 HILDESHEIM, DE |
发明人 |
SIEGMANN, MARION, 31134 HILDESHEIM, DE |
| 分类号 |
A44C27/00;B21D51/00;B21D53/44;(IPC1-7):A44C27/00 |
主分类号 |
A44C27/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
