Magnetic core assembly for magnetizing columnar permanent magnet

Details Magnetic core assembly for magnetizing columnar permanent magnet Magnetic core assembly for magnetizing columnar permanent magnet

1977-10-03

1979-08-28

Envall, Jr., R. N.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

For magnetizing or demagnetizing

361143, 118658, H01F 1300

Patent

active

041662636

ABSTRACT:
Disclosed is a magnetic core assembly for magnetizing columnar permanent magnet, particularly columnar ceramic permanent magnet adapted for use in magnetic-brush type electrostatic developing apparatus. The invention is to clarify the magnetic pattern most effective for the development, as well as a construction for presenting such a pattern, and is aiming to provide a magnetizing iron core assembly having an improved construction of magnetic poles and magnetizing coil windings.

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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