Heating roller device

Details Heating roller device Heating roller device

1998-01-21

2000-05-30

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219634, 219670, 219652, 399330, 399336, H05B 614

Patent

active

060693479

ABSTRACT:
A heating roller device which incorporates a metal roller having a curier temperature adjusted to an appropriate level and enabling a self-temperature-controllability and which has a structure that the metal roller is induction-heated by an induction heating section. A method of manufacturing the foregoing metal roller according to the present invention has a step of joining a pipe, which is made of temperature-sensitive magnetic metal, and the composition of which has been adjusted so as to have a predetermined curier temperature, and metal having a resistivity lower than that of the temperature-sensitive magnetic metal to each other by a drawing work in such a manner as to prevent formation of any gap. Thus, an induction heating pipe exhibiting an excellent heating characteristic is manufactured.

REFERENCES:
patent: 3529116 (1970-09-01), Miyagi
patent: 4256945 (1981-03-01), Carter et al.
patent: 5053595 (1991-10-01), Derbyshire
patent: 5227596 (1993-07-01), McGaffigan et al.
patent: 5568240 (1996-10-01), Ohtsuka

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