Method for making a magnetic roll

Details Method for making a magnetic roll Method for making a magnetic roll

1997-04-09

1998-08-18

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Producing or treating magnetic product precursor thereof

264259, H01F 102

Patent

active

057955328

ABSTRACT:
A method for manufacturing a magnetic roll, including the steps of: molding a roll core with ferrite filled resin material to a first diameter; allowing the ferrite filled resin material to become hard; overmolding said roll core with ferrite filled resin material to a second diameter; and cooling the ferrite filled resin material until it becomes hard. The core is magnetized during said molding step and said overmolding step. The method may further include enclosing the core within a sleeve.

REFERENCES:
patent: 5181971 (1993-01-01), Ohtsuka
patent: 5319337 (1994-06-01), Matsunari et al.

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