Apparatus for correcting curl of magnetic recording medium

Details Apparatus for correcting curl of magnetic recording medium Apparatus for correcting curl of magnetic recording medium

1988-12-01

1990-06-19

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219216, 162197, 162271, B65H 2334

Patent

active

049356054

ABSTRACT:
An apparatus for correcting curl of a belt-like magnetic recording medium made of a ferromagnetic thin film formed on a flexible substrate, in which the magnetic recording medium fed from a master roll thereof contacts a heating roller so that curl of the magnetic recording medium is corrected. The surface of the heating roller is covered with a material having thermal conductivity lower than that of a material forming the body of the heating roller.

REFERENCES:
patent: 2893053 (1959-07-01), Powell
patent: 3012301 (1961-12-01), Rogers
patent: 4013363 (1977-03-01), Putnam
patent: 4202723 (1980-05-01), Chaudhuri
patent: 4567349 (1986-01-01), Henry

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