Title:
Method of heating annular metallic bodies by electrical induction
United States Patent 3187155


Inventors:
Ernst, Beckert
Wilhelm, Volkening
Application Number:
US6145460A
Publication Date:
06/01/1965
Filing Date:
10/10/1960
Assignee:
KUGELFISCHER G SCHAEFER & CO
Primary Class:
Other Classes:
219/670, 361/149
International Classes:
C21D9/40; H05B6/06; H05B6/10
View Patent Images:
US Patent References:
3078396Demagnetizing apparatus1963-02-19
3049208Locking mechanisms1962-08-14
2975239Electromagnetic eraser1961-03-14
2786970Magnetizing and demagnetizing apparatus1957-03-26
2445459Control circuits for electromagnetic chucks1948-07-20
1987458Induction heater1935-01-08
1234280N/A1917-07-24
0458163N/A1891-08-25