Method and apparatus for heat treatment of metal member

Details Method and apparatus for heat treatment of metal member Method and apparatus for heat treatment of metal member

1977-08-01

1979-06-19

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

148148, 219 1071, 266113, H05B 506

Patent

active

041587588

ABSTRACT:
In continuous induction heat treatment of an elongated metal member, additional local induction heating is applied to an end portion or portions of the metal member, thereby to obtain uniform induction heating temperature distribution over the whole length of the metal member. The additional local heating or preheating the end portion of the metal member is performed by the use of a preliminary induction heating coil which is maintained in predetermined relative relationship with the metal member for a predetermined period of time.

REFERENCES:
patent: 2666830 (1954-01-01), Dreyfus
patent: 3127496 (1964-03-01), Finzi et al.
patent: 3182168 (1965-05-01), Cornell
patent: 3610861 (1971-10-01), Storey
patent: 3915763 (1975-10-01), Jennings et al.
patent: 4075450 (1978-02-01), Lavins

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