| 发明名称 |
Heat exchanger retaining ring and method and die for making that ring. |
| 摘要 |
<p>The invention relates to a retention ring for heat radiators and the like and is composed of at least two rings (2-3) folded and pressed one into the other, starting from two flat metal strips (A-B). The invention also relates to a method and a die for making this retention ring. <IMAGE></p> |
| 申请公布号 |
EP0397223(A2) |
申请公布日期 |
1990.11.14 |
| 申请号 |
EP19900200263 |
申请日期 |
1990.02.07 |
| 申请人 |
ROFIX NAAMLOZE VENNOOTSCHAP |
发明人 |
VAESSEN, ROBERT |
| 分类号 |
B21D53/02;B21D53/16;F28F9/26 |
主分类号 |
B21D53/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
