Method of and apparatus for the electrical resistance...

Details Method of and apparatus for the electrical resistance... Method of and apparatus for the electrical resistance...

2005-05-24

2005-05-24

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

Rods and bars

Reexamination Certificate

active

06897407

ABSTRACT:
An electrode pattern is used to apply preheating and final heating electric current to a workpiece whose smaller regions are bridged, or otherwise controlled as to the temperature so that for the final heating, all parts of the workpiece have substantially the same temperature and hence substantially the same electrical conductivity.

REFERENCES:
patent: 1979111 (1934-10-01), Kalschne
patent: 2972043 (1961-02-01), Stich
patent: 3737618 (1973-06-01), Arnosky
patent: 3806697 (1974-04-01), Gray
patent: 1 262 320 (1968-03-01), None
patent: 30 26 346 (1982-02-01), None

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