Method of making integral external and internal finned tubing
United States Patent 2463997
US Patent References:
Evaporator section
- - 1816159

Method of making radiator elements
- - 1902779

Smoke consumer
- - 1909207

Oil cooler
- - 1983466

Heat transfer tube
- - 2244800


Inventors:
Rodgers, James S.
Publication Date:
03/08/1949
View Patent Images:
Assignee:
Calumet, And Hecla Cons Copper
Primary Class:
Other Classes:
415/177, 29/890.049, 165/179, 159/28.500, 165/184, 29/DIG.047, 29/890.048
International Classes:
B21C37/20; B21C37/15
US Patent References:
2281206Heat exchange device
2281207Method of manufacturing heat exchange devices
2322341Heat exchange unit
Foreign References:
GB188200846A
AU111528B
DE531503C