CONFIGURATION OF HEAT TRANSFER TUBING FOR VAPOR CONDENSATION ON ITS OUTER SURFACE
United States Patent 3481394
US Patent References:
Method and apparatus for manufacturing integrally finned tubing
- - 3174319
Method of forming an internal rib in the bore of a tube
- - 3213525
Heat transfer tube
- - 2244800
Method of making integral external and internal finned tubing
- - 2463997
Method and apparatus for manufacturing integrally finned tubing
- - 3174319
Method of forming an internal rib in the bore of a tube
- - 3213525
Heat transfer tube
- - 2244800
Method of making integral external and internal finned tubing
- - 2463997
Inventors:
Withers Jr., James G.
Publication Date:
12/02/1969
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Export Citation:
Assignee:
CALUMET & HECLA CORP
Primary Class:
Other Classes:
29/890.049, 29/890.048
International Classes:
B21C37/20; B21D15/04; F28B1/02; F28F1/36; F28F1/42; F28F13/06; B21C37/15; B21D15/00; F28B1/00; F28F1/10; F28F1/12; F28F13/00; B23P15/26; F28F1/42
Foreign References:
| GB845574A | ||||
| BE540928A |