Induction heating and fixing device for a copying machine

Details Induction heating and fixing device for a copying machine Induction heating and fixing device for a copying machine

1983-04-19

1986-02-11

Albritton, C. L.

Electric heating

Metal heating

Of cylinders

219 1049R, 219 1057, 219216, 219469, 355 3FU, 355 14FU, H05B 500, H05B 600, H05B 900

Patent

active

045700443

ABSTRACT:
An induction heating and fixing device suitable for a copying machine comprises a fixing roller, a first iron core, a second iron core, and two third iron cores. The first iron core inserted into the center of the fixing roller. The first, the second, and the third iron cores are magnetically and mechanically combined together to form a closed magnetic circuit. Magnetic blocks are provided for combining the first, the second, and the third iron cores. Each of these iron cores comprises a plurality of isolated thin silicon steel plates. At least one of the two of the third iron cores is disassembled to remove the fixing roller from the device for maintenance.

REFERENCES:
patent: 4229644 (1980-10-01), Namiki et al.
patent: 4284875 (1981-08-01), Namiki et al.
patent: 4329565 (1982-05-01), Namiki et al.
patent: 4365139 (1982-12-01), Dannatt
patent: 4435072 (1984-03-01), Adachi et al.
patent: 4456368 (1984-06-01), Isaka et al.

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