| Original document(14 pages) 中文版 |
A multiple-hole tube for heat exchanger, which can be manufactured in a simply way and at a low cost, and a manufacturing method thereof are disclosed. A pair of copper plates 20 with grooves 14 formed in a longer direction by rolling copper plate 11 with a form rolling roller are prepared. A sheet type brazing filler metal is interleaved between bond surfaces, each of which is a surface on the side of grooves 14 of copper plate 20. Copper plates 20 are heat-bonded to each other after both are aligned with respect to the grooves. |
Application Number
申请号 |
200610139226 |
Application Date
申请日 |
2006.09.18 |
| Title 名称 |
Multiple-hole tube for heat exchanger and manufacturing method thereof |
Publication Number
公开号 |
1939654 |
Publication Date
公开日 |
2007.04.04 |
| Approval Pub. Date |
|
Granted Pub. Date |
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| International Classification 分类号 |
B23P15/26;F28F3/12 |
Applicant(s) Name
申请人 |
Hitachi Cable, Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Sagi Fumihiko;Murayama Masami |
| Attorney & Agent 代理人 |
xiongzhi cheng |
| More information 更 多 信 息 |
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