Finned tube construction
United States Patent 2613066

Inventors:
Shipley, Newlin John
Publication Date:
10/07/1952
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Assignee:
MERCHANT & EVANS COMPANY
Primary Class:
165/184
Other Classes:
29/890.048
International Classes:
B21C37/26; B21C37/15
US Patent References:
1997197Machine for coiling metal strip
2053239Manufacture of heat exchange apparatus
2117445Finned structure and method of making same
2152437Helical fin wrapping machine