Core assembly for magnetizing columnar permanent magnet for use

Details Core assembly for magnetizing columnar permanent magnet for use Core assembly for magnetizing columnar permanent magnet for use

1977-10-05

1979-09-18

Envall, Jr., R. N.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

For magnetizing or demagnetizing

118658, 361143, H01F 1300

Patent

active

041684818

ABSTRACT:
A core assembly for magnetizing a columnar permanent magnet, especially a columnar ceramic permanent magnet, adapted for use in an electrostatic developing apparatus of magnetic-brush developing type. The magnetizing iron core assembly has a specific arrangement of magnetic poles and magnetizing coil windings for providing a specific pattern of magnetic flux distribution which would provide the most efficient development.

REFERENCES:
patent: 3158797 (1964-11-01), Andrews
patent: 3402698 (1967-05-01), Kojima et al.
patent: 3455276 (1967-05-01), Anderson
patent: 3828730 (1972-05-01), Yamashita et al.
patent: 3952701 (1974-11-01), Yamashita et al.

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