Magnetic roller and methods of producing the same

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material

Reexamination Certificate

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C399S267000, C399S119000

Reexamination Certificate

active

06897752

ABSTRACT:
A magnetic roller for electrophotography comprises a foamed resin magnetic material. A method of producing a magnetic roller comprises the steps of providing magnetic filler, a resin binder and a foaming agent in a closed mold; activating the foaming agent in the closed mold; and removing the resulting formed roller from the mold.

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