发明名称 |
Method and apparatus for the manufacture of a heat exchanger |
摘要 |
A method for the manufacture of a heat exchanger comprising an internal arrangement of general cylindrical shape constituted by winding in a spiral two parallel and adjacent portions of a first band, such as a metal sheet and a second band wound on this arrangement in order to form an outer casing constituting a collar or shell.
|
申请公布号 |
US4203205(A) |
申请公布日期 |
1980.05.20 |
申请号 |
US19770864796 |
申请日期 |
1977.12.27 |
申请人 |
SPIREC L ECHANGEUR SPIRALE EVER CLEAN |
发明人 |
JOUET, ETIENNE |
分类号 |
B21D51/24;B21D53/02;F28D9/04;(IPC1-7):B23P15/26 |
主分类号 |
B21D51/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|