| 发明名称 |
Heat exchange tube structured on both sides and process for making same |
| 摘要 |
<p>The heat exchange tube (1) has outer fins (3) and inner fins (20) crossed by secondary grooves (22) Two rolling tools (11, 12) form the outer fins, and the inner fins are formed by two differently shaped rolling mandrels (15, 16), one forming the inner fins themselves, the other forming the secondary grooves in them.</p> |
| 申请公布号 |
EP1312885(B1) |
申请公布日期 |
2005.10.19 |
| 申请号 |
EP20020024655 |
申请日期 |
2002.11.05 |
| 申请人 |
WIELAND-WERKE AG |
发明人 |
BRAND, KARINE;KNOEPFLER, ANDREAS;BEUTLER, ANDREAS, DR.;RONALD, LUTZ |
| 分类号 |
F28F1/36;B21C37/20;B21H3/04;B21H3/10;F28F1/42;F28F13/04;(IPC1-7):F28F1/42 |
主分类号 |
F28F1/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
