Heating device

Details Heating device Heating device

2007-02-06

2007-02-06

Paik, Sang Y. (Department: 3742)

Electric heating

Heating devices

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

C219S547000

Reexamination Certificate

active

11086771

ABSTRACT:
A heating device comprises a substrate having a heating surface, a heating element buried in the substrate, a cylindrical member joined to the substrate, and lead wires for supplying current to the heating element. In addition, the thermal conductivity of the substrate is about 1.0 to about 2.0 times the thermal conductivity of the cylindrical member.

REFERENCES:
patent: 5688331 (1997-11-01), Aruga et al.
patent: 6423949 (2002-07-01), Chen et al.
patent: 2004/0168641 (2004-09-01), Kuibira et al.
patent: 2001-102157 (2001-04-01), None
patent: 2003-309049 (2003-10-01), None

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